encounter
/
dawn-cmake
mirror of https://github.com/encounter/dawn-cmake.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[tint] Remove ast:: prefixes from AST transforms 

Now that AST transforms live in the AST namespace, these prefixes are
no longer necessary.

Change-Id: I658746ac04220075653ec57d6dc998947232d8bc
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/132425
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: James Price <jrprice@google.com>
This commit is contained in:
James Price 2023-05-12 01:43:50 +00:00 committed by Dawn LUCI CQ
parent 4ae03fa8d0
commit 2b7406ad55
59 changed files with 1025 additions and 1064 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/tint/ast/transform/add_block_attribute.cc
View File

@ -41,7 +41,7 @@ Transform::ApplyResult AddBlockAttribute::Apply(const Program* src,
// A map from a type in the source program to a block-decorated wrapper that contains it in the
// destination program.
utils::Hashmap<const type::Type*, const ast::Struct*, 8> wrapper_structs;
utils::Hashmap<const type::Type*, const Struct*, 8> wrapper_structs;
// Process global 'var' declarations that are buffers.
bool made_changes = false;
@ -71,7 +71,7 @@ Transform::ApplyResult AddBlockAttribute::Apply(const Program* src,
auto* wrapper = wrapper_structs.GetOrCreate(ty, [&] {
auto* block = b.ASTNodes().Create<BlockAttribute>(b.ID(), b.AllocateNodeID());
auto wrapper_name = global->name->symbol.Name() + "_block";
auto* ret = b.create<ast::Struct>(
auto* ret = b.create<Struct>(
b.Ident(b.Symbols().New(wrapper_name)),
utils::Vector{b.Member(kMemberName, CreateASTTypeFor(ctx, ty))},
utils::Vector{block});
@ -101,7 +101,7 @@ Transform::ApplyResult AddBlockAttribute::Apply(const Program* src,
return Program(std::move(b));
}
AddBlockAttribute::BlockAttribute::BlockAttribute(ProgramID pid, ast::NodeID nid)
AddBlockAttribute::BlockAttribute::BlockAttribute(ProgramID pid, NodeID nid)
: Base(pid, nid, utils::Empty) {}
AddBlockAttribute::BlockAttribute::~BlockAttribute() = default;
std::string AddBlockAttribute::BlockAttribute::InternalName() const {

4
src/tint/ast/transform/add_block_attribute.h
View File

@ -28,12 +28,12 @@ class AddBlockAttribute final : public utils::Castable<AddBlockAttribute, Transf
public:
/// BlockAttribute is an InternalAttribute that is used to decorate a
// structure that is used as a buffer in SPIR-V or GLSL.
class BlockAttribute final : public utils::Castable<BlockAttribute, ast::InternalAttribute> {
class BlockAttribute final : public utils::Castable<BlockAttribute, InternalAttribute> {
public:
/// Constructor
/// @param program_id the identifier of the program that owns this node
/// @param nid the unique node identifier
BlockAttribute(ProgramID program_id, ast::NodeID nid);
BlockAttribute(ProgramID program_id, NodeID nid);
/// Destructor
~BlockAttribute() override;

2
src/tint/ast/transform/add_empty_entry_point.cc
View File

@ -52,7 +52,7 @@ Transform::ApplyResult AddEmptyEntryPoint::Apply(const Program* src,
b.Func(b.Symbols().New("unused_entry_point"), {}, b.ty.void_(), {},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});

24
src/tint/ast/transform/array_length_from_uniform.cc
View File

@ -81,8 +81,8 @@ struct ArrayLengthFromUniform::State {
// Determine the size of the buffer size array.
uint32_t max_buffer_size_index = 0;
IterateArrayLengthOnStorageVar([&](const ast::CallExpression*, const sem::VariableUser*,
const sem::GlobalVariable* var) {
IterateArrayLengthOnStorageVar(
[&](const CallExpression*, const sem::VariableUser*, const sem::GlobalVariable* var) {
if (auto binding = var->BindingPoint()) {
auto idx_itr = cfg->bindpoint_to_size_index.find(*binding);
if (idx_itr == cfg->bindpoint_to_size_index.end()) {
@ -96,7 +96,7 @@ struct ArrayLengthFromUniform::State {
// Get (or create, on first call) the uniform buffer that will receive the
// size of each storage buffer in the module.
const ast::Variable* buffer_size_ubo = nullptr;
const Variable* buffer_size_ubo = nullptr;
auto get_ubo = [&]() {
if (!buffer_size_ubo) {
// Emit an array<vec4<u32>, N>, where N is 1/4 number of elements.
@ -118,7 +118,7 @@ struct ArrayLengthFromUniform::State {
std::unordered_set<uint32_t> used_size_indices;
IterateArrayLengthOnStorageVar([&](const ast::CallExpression* call_expr,
IterateArrayLengthOnStorageVar([&](const CallExpression* call_expr,
const sem::VariableUser* storage_buffer_sem,
const sem::GlobalVariable* var) {
auto binding = var->BindingPoint();
@ -144,7 +144,7 @@ struct ArrayLengthFromUniform::State {
// total_storage_buffer_size - array_offset
// array_length = ----------------------------------------
// array_stride
const ast::Expression* total_size = total_storage_buffer_size;
const Expression* total_size = total_storage_buffer_size;
auto* storage_buffer_type = storage_buffer_sem->Type()->UnwrapRef();
const type::Array* array_type = nullptr;
if (auto* str = storage_buffer_type->As<type::Struct>()) {
@ -186,9 +186,9 @@ struct ArrayLengthFromUniform::State {
/// Iterate over all arrayLength() builtins that operate on
/// storage buffer variables.
/// @param functor of type void(const ast::CallExpression*, const
/// @param functor of type void(const CallExpression*, const
/// sem::VariableUser, const sem::GlobalVariable*). It takes in an
/// ast::CallExpression of the arrayLength call expression node, a
/// CallExpression of the arrayLength call expression node, a
/// sem::VariableUser of the used storage buffer variable, and the
/// sem::GlobalVariable for the storage buffer.
template <typename F>
@ -197,7 +197,7 @@ struct ArrayLengthFromUniform::State {
// Find all calls to the arrayLength() builtin.
for (auto* node : src->ASTNodes().Objects()) {
auto* call_expr = node->As<ast::CallExpression>();
auto* call_expr = node->As<CallExpression>();
if (!call_expr) {
continue;
}
@ -208,7 +208,7 @@ struct ArrayLengthFromUniform::State {
continue;
}
if (auto* call_stmt = call->Stmt()->Declaration()->As<ast::CallStatement>()) {
if (auto* call_stmt = call->Stmt()->Declaration()->As<CallStatement>()) {
if (call_stmt->expr == call_expr) {
// arrayLength() is used as a statement.
// The argument expression must be side-effect free, so just drop the statement.
@ -222,15 +222,15 @@ struct ArrayLengthFromUniform::State {
// call has one of two forms:
// arrayLength(&struct_var.array_member)
// arrayLength(&array_var)
auto* param = call_expr->args[0]->As<ast::UnaryOpExpression>();
if (TINT_UNLIKELY(!param || param->op != ast::UnaryOp::kAddressOf)) {
auto* param = call_expr->args[0]->As<UnaryOpExpression>();
if (TINT_UNLIKELY(!param || param->op != UnaryOp::kAddressOf)) {
TINT_ICE(Transform, b.Diagnostics())
<< "expected form of arrayLength argument to be &array_var or "
"&struct_var.array_member";
break;
}
auto* storage_buffer_expr = param->expr;
if (auto* accessor = param->expr->As<ast::MemberAccessorExpression>()) {
if (auto* accessor = param->expr->As<MemberAccessorExpression>()) {
storage_buffer_expr = accessor->object;
}
auto* storage_buffer_sem = sem.Get<sem::VariableUser>(storage_buffer_expr);

10
src/tint/ast/transform/binding_remapper.cc
View File

@ -90,7 +90,7 @@ Transform::ApplyResult BindingRemapper::Apply(const Program* src,
}
}
for (auto* var : src->AST().Globals<ast::Var>()) {
for (auto* var : src->AST().Globals<Var>()) {
if (var->HasBindingPoint()) {
auto* global_sem = src->Sem().Get<sem::GlobalVariable>(var);
@ -109,8 +109,8 @@ Transform::ApplyResult BindingRemapper::Apply(const Program* src,
auto* new_group = b.Group(AInt(to.group));
auto* new_binding = b.Binding(AInt(to.binding));
auto* old_group = ast::GetAttribute<ast::GroupAttribute>(var->attributes);
auto* old_binding = ast::GetAttribute<ast::BindingAttribute>(var->attributes);
auto* old_group = GetAttribute<GroupAttribute>(var->attributes);
auto* old_binding = GetAttribute<BindingAttribute>(var->attributes);
ctx.Replace(old_group, new_group);
ctx.Replace(old_binding, new_binding);
@ -139,7 +139,7 @@ Transform::ApplyResult BindingRemapper::Apply(const Program* src,
auto* ty = sem->Type()->UnwrapRef();
auto inner_ty = CreateASTTypeFor(ctx, ty);
auto* new_var =
b.create<ast::Var>(ctx.Clone(var->source), // source
b.create<Var>(ctx.Clone(var->source), // source
b.Ident(ctx.Clone(var->name->symbol)), // name
inner_ty, // type
ctx.Clone(var->declared_address_space), // address space
@ -151,7 +151,7 @@ Transform::ApplyResult BindingRemapper::Apply(const Program* src,
// Add `DisableValidationAttribute`s if required
if (add_collision_attr.count(bp)) {
auto* attribute = b.Disable(ast::DisabledValidation::kBindingPointCollision);
auto* attribute = b.Disable(DisabledValidation::kBindingPointCollision);
ctx.InsertBefore(var->attributes, *var->attributes.begin(), attribute);
}
}

88
src/tint/ast/transform/builtin_polyfill.cc
View File

@ -37,7 +37,7 @@ TINT_INSTANTIATE_TYPEINFO(tint::ast::transform::BuiltinPolyfill::Config);
namespace tint::ast::transform {
/// BinaryOpSignature is tuple of a binary op, LHS type and RHS type
using BinaryOpSignature = std::tuple<ast::BinaryOp, const type::Type*, const type::Type*>;
using BinaryOpSignature = std::tuple<BinaryOp, const type::Type*, const type::Type*>;
/// PIMPL state for the transform
struct BuiltinPolyfill::State {
@ -60,16 +60,16 @@ struct BuiltinPolyfill::State {
for (auto* node : src->ASTNodes().Objects()) {
Switch(
node, //
[&](const ast::CallExpression* expr) { Call(expr); },
[&](const ast::BinaryExpression* bin_op) {
[&](const CallExpression* expr) { Call(expr); },
[&](const BinaryExpression* bin_op) {
if (auto* s = src->Sem().Get(bin_op);
!s || s->Stage() == sem::EvaluationStage::kConstant ||
s->Stage() == sem::EvaluationStage::kNotEvaluated) {
return; // Don't polyfill @const expressions
}
switch (bin_op->op) {
case ast::BinaryOp::kShiftLeft:
case ast::BinaryOp::kShiftRight: {
case BinaryOp::kShiftLeft:
case BinaryOp::kShiftRight: {
if (cfg.builtins.bitshift_modulo) {
ctx.Replace(bin_op,
[this, bin_op] { return BitshiftModulo(bin_op); });
@ -77,7 +77,7 @@ struct BuiltinPolyfill::State {
}
break;
}
case ast::BinaryOp::kDivide: {
case BinaryOp::kDivide: {
if (cfg.builtins.int_div_mod) {
auto* lhs_ty = src->TypeOf(bin_op->lhs)->UnwrapRef();
if (lhs_ty->is_integer_scalar_or_vector()) {
@ -88,7 +88,7 @@ struct BuiltinPolyfill::State {
}
break;
}
case ast::BinaryOp::kModulo: {
case BinaryOp::kModulo: {
if (cfg.builtins.int_div_mod) {
auto* lhs_ty = src->TypeOf(bin_op->lhs)->UnwrapRef();
if (lhs_ty->is_integer_scalar_or_vector()) {
@ -111,7 +111,7 @@ struct BuiltinPolyfill::State {
break;
}
},
[&](const ast::Expression* expr) {
[&](const Expression* expr) {
if (cfg.builtins.bgra8unorm) {
if (auto* ty_expr = src->Sem().Get<sem::TypeExpression>(expr)) {
if (auto* tex = ty_expr->Type()->As<type::StorageTexture>()) {
@ -170,15 +170,15 @@ struct BuiltinPolyfill::State {
auto name = b.Symbols().New("tint_acosh");
uint32_t width = WidthOf(ty);
auto V = [&](AFloat value) -> const ast::Expression* {
const ast::Expression* expr = b.Expr(value);
auto V = [&](AFloat value) -> const Expression* {
const Expression* expr = b.Expr(value);
if (width == 1) {
return expr;
}
return b.Call(T(ty), expr);
};
utils::Vector<const ast::Statement*, 4> body;
utils::Vector<const Statement*, 4> body;
switch (cfg.builtins.acosh) {
case Level::kFull:
// return log(x + sqrt(x*x - 1));
@ -224,15 +224,15 @@ struct BuiltinPolyfill::State {
auto name = b.Symbols().New("tint_atanh");
uint32_t width = WidthOf(ty);
auto V = [&](AFloat value) -> const ast::Expression* {
const ast::Expression* expr = b.Expr(value);
auto V = [&](AFloat value) -> const Expression* {
const Expression* expr = b.Expr(value);
if (width == 1) {
return expr;
}
return b.Call(T(ty), expr);
};
utils::Vector<const ast::Statement*, 1> body;
utils::Vector<const Statement*, 1> body;
switch (cfg.builtins.atanh) {
case Level::kFull:
// return log((1+x) / (1-x)) * 0.5
@ -290,7 +290,7 @@ struct BuiltinPolyfill::State {
}
return b.ty.vec<u32>(width);
};
auto V = [&](uint32_t value) -> const ast::Expression* {
auto V = [&](uint32_t value) -> const Expression* {
return ScalarOrVector(width, u32(value));
};
b.Func(
@ -348,10 +348,10 @@ struct BuiltinPolyfill::State {
}
return b.ty.vec<u32>(width);
};
auto V = [&](uint32_t value) -> const ast::Expression* {
auto V = [&](uint32_t value) -> const Expression* {
return ScalarOrVector(width, u32(value));
};
auto B = [&](const ast::Expression* value) -> const ast::Expression* {
auto B = [&](const Expression* value) -> const Expression* {
if (width == 1) {
return b.Call<bool>(value);
}
@ -402,14 +402,14 @@ struct BuiltinPolyfill::State {
constexpr uint32_t W = 32u; // 32-bit
auto vecN_u32 = [&](const ast::Expression* value) -> const ast::Expression* {
auto vecN_u32 = [&](const Expression* value) -> const Expression* {
if (width == 1) {
return value;
}
return b.Call(b.ty.vec<u32>(width), value);
};
utils::Vector<const ast::Statement*, 8> body{
utils::Vector<const Statement*, 8> body{
b.Decl(b.Let("s", b.Call("min", "offset", u32(W)))),
b.Decl(b.Let("e", b.Call("min", u32(W), b.Add("s", "count")))),
};
@ -465,17 +465,17 @@ struct BuiltinPolyfill::State {
}
return b.ty.vec<u32>(width);
};
auto V = [&](uint32_t value) -> const ast::Expression* {
auto V = [&](uint32_t value) -> const Expression* {
return ScalarOrVector(width, u32(value));
};
auto B = [&](const ast::Expression* value) -> const ast::Expression* {
auto B = [&](const Expression* value) -> const Expression* {
if (width == 1) {
return b.Call<bool>(value);
}
return b.Call(b.ty.vec<bool>(width), value);
};
const ast::Expression* x = nullptr;
const Expression* x = nullptr;
if (ty->is_unsigned_integer_scalar_or_vector()) {
x = b.Expr("v");
} else {
@ -537,10 +537,10 @@ struct BuiltinPolyfill::State {
}
return b.ty.vec<u32>(width);
};
auto V = [&](uint32_t value) -> const ast::Expression* {
auto V = [&](uint32_t value) -> const Expression* {
return ScalarOrVector(width, u32(value));
};
auto B = [&](const ast::Expression* value) -> const ast::Expression* {
auto B = [&](const Expression* value) -> const Expression* {
if (width == 1) {
return b.Call<bool>(value);
}
@ -599,8 +599,8 @@ struct BuiltinPolyfill::State {
constexpr uint32_t W = 32u; // 32-bit
auto V = [&](auto value) -> const ast::Expression* {
const ast::Expression* expr = b.Expr(value);
auto V = [&](auto value) -> const Expression* {
const Expression* expr = b.Expr(value);
if (!ty->is_unsigned_integer_scalar_or_vector()) {
expr = b.Call<i32>(expr);
}
@ -609,7 +609,7 @@ struct BuiltinPolyfill::State {
}
return expr;
};
auto U = [&](auto value) -> const ast::Expression* {
auto U = [&](auto value) -> const Expression* {
if (width == 1) {
return b.Expr(value);
}
@ -638,7 +638,7 @@ struct BuiltinPolyfill::State {
// return ((select(T(), n << offset, offset < 32u) & mask) | (v & ~(mask)));
// }
utils::Vector<const ast::Statement*, 8> body;
utils::Vector<const Statement*, 8> body;
switch (cfg.builtins.insert_bits) {
case Level::kFull:
@ -788,7 +788,7 @@ struct BuiltinPolyfill::State {
/// @return the polyfill function name
Symbol quantizeToF16(const type::Vector* vec) {
auto name = b.Symbols().New("tint_quantizeToF16");
utils::Vector<const ast::Expression*, 4> args;
utils::Vector<const Expression*, 4> args;
for (uint32_t i = 0; i < vec->Width(); i++) {
args.Push(b.Call("quantizeToF16", b.IndexAccessor("v", u32(i))));
}
@ -880,29 +880,29 @@ struct BuiltinPolyfill::State {
/// the RHS is modulo the bit-width of the LHS.
/// @param bin_op the original BinaryExpression
/// @return the polyfill value for bitshift operation
const ast::Expression* BitshiftModulo(const ast::BinaryExpression* bin_op) {
const Expression* BitshiftModulo(const BinaryExpression* bin_op) {
auto* lhs_ty = src->TypeOf(bin_op->lhs)->UnwrapRef();
auto* rhs_ty = src->TypeOf(bin_op->rhs)->UnwrapRef();
auto* lhs_el_ty = type::Type::DeepestElementOf(lhs_ty);
const ast::Expression* mask = b.Expr(AInt(lhs_el_ty->Size() * 8 - 1));
const Expression* mask = b.Expr(AInt(lhs_el_ty->Size() * 8 - 1));
if (rhs_ty->Is<type::Vector>()) {
mask = b.Call(CreateASTTypeFor(ctx, rhs_ty), mask);
}
auto* lhs = ctx.Clone(bin_op->lhs);
auto* rhs = b.And(ctx.Clone(bin_op->rhs), mask);
return b.create<ast::BinaryExpression>(ctx.Clone(bin_op->source), bin_op->op, lhs, rhs);
return b.create<BinaryExpression>(ctx.Clone(bin_op->source), bin_op->op, lhs, rhs);
}
/// Builds the polyfill inline expression for a integer divide or modulo, preventing DBZs and
/// integer overflows.
/// @param bin_op the original BinaryExpression
/// @return the polyfill divide or modulo
const ast::Expression* IntDivMod(const ast::BinaryExpression* bin_op) {
const Expression* IntDivMod(const BinaryExpression* bin_op) {
auto* lhs_ty = src->TypeOf(bin_op->lhs)->UnwrapRef();
auto* rhs_ty = src->TypeOf(bin_op->rhs)->UnwrapRef();
BinaryOpSignature sig{bin_op->op, lhs_ty, rhs_ty};
auto fn = binary_op_polyfills.GetOrCreate(sig, [&] {
const bool is_div = bin_op->op == ast::BinaryOp::kDivide;
const bool is_div = bin_op->op == BinaryOp::kDivide;
uint32_t lhs_width = 1;
uint32_t rhs_width = 1;
@ -914,7 +914,7 @@ struct BuiltinPolyfill::State {
const char* lhs = "lhs";
const char* rhs = "rhs";
utils::Vector<const ast::Statement*, 4> body;
utils::Vector<const Statement*, 4> body;
if (lhs_width < width) {
// lhs is scalar, rhs is vector. Convert lhs to vector.
@ -934,8 +934,8 @@ struct BuiltinPolyfill::State {
if (lhs_ty->is_signed_integer_scalar_or_vector()) {
const auto bits = lhs_el_ty->Size() * 8;
auto min_int = AInt(AInt::kLowestValue >> (AInt::kNumBits - bits));
const ast::Expression* lhs_is_min = b.Equal(lhs, ScalarOrVector(width, min_int));
const ast::Expression* rhs_is_minus_one = b.Equal(rhs, ScalarOrVector(width, -1_a));
const Expression* lhs_is_min = b.Equal(lhs, ScalarOrVector(width, min_int));
const Expression* rhs_is_minus_one = b.Equal(rhs, ScalarOrVector(width, -1_a));
// use_one = rhs_is_zero | ((lhs == MIN_INT) & (rhs == -1))
auto* use_one = b.Or(rhs_is_zero, b.And(lhs_is_min, rhs_is_minus_one));
@ -992,7 +992,7 @@ struct BuiltinPolyfill::State {
/// Builds the polyfill inline expression for a precise float modulo, as defined in the spec.
/// @param bin_op the original BinaryExpression
/// @return the polyfill divide or modulo
const ast::Expression* PreciseFloatMod(const ast::BinaryExpression* bin_op) {
const Expression* PreciseFloatMod(const BinaryExpression* bin_op) {
auto* lhs_ty = src->TypeOf(bin_op->lhs)->UnwrapRef();
auto* rhs_ty = src->TypeOf(bin_op->rhs)->UnwrapRef();
BinaryOpSignature sig{bin_op->op, lhs_ty, rhs_ty};
@ -1007,7 +1007,7 @@ struct BuiltinPolyfill::State {
const char* lhs = "lhs";
const char* rhs = "rhs";
utils::Vector<const ast::Statement*, 4> body;
utils::Vector<const Statement*, 4> body;
if (lhs_width < width) {
// lhs is scalar, rhs is vector. Convert lhs to vector.
@ -1042,7 +1042,7 @@ struct BuiltinPolyfill::State {
}
/// @returns the AST type for the given sem type
ast::Type T(const type::Type* ty) { return CreateASTTypeFor(ctx, ty); }
Type T(const type::Type* ty) { return CreateASTTypeFor(ctx, ty); }
/// @returns 1 if `ty` is not a vector, otherwise the vector width
uint32_t WidthOf(const type::Type* ty) const {
@ -1055,7 +1055,7 @@ struct BuiltinPolyfill::State {
/// @returns a scalar or vector with the given width, with each element with
/// the given value.
template <typename T>
const ast::Expression* ScalarOrVector(uint32_t width, T value) {
const Expression* ScalarOrVector(uint32_t width, T value) {
if (width == 1) {
return b.Expr(value);
}
@ -1063,7 +1063,7 @@ struct BuiltinPolyfill::State {
}
template <typename To>
const ast::Expression* CastScalarOrVector(uint32_t width, const ast::Expression* e) {
const Expression* CastScalarOrVector(uint32_t width, const Expression* e) {
if (width == 1) {
return b.Call(b.ty.Of<To>(), e);
}
@ -1071,7 +1071,7 @@ struct BuiltinPolyfill::State {
}
/// Examines the call expression @p expr, applying any necessary polyfill transforms
void Call(const ast::CallExpression* expr) {
void Call(const CallExpression* expr) {
auto* call = src->Sem().Get(expr)->UnwrapMaterialize()->As<sem::Call>();
if (!call || call->Stage() == sem::EvaluationStage::kConstant ||
call->Stage() == sem::EvaluationStage::kNotEvaluated) {
@ -1207,7 +1207,7 @@ struct BuiltinPolyfill::State {
size_t value_idx = static_cast<size_t>(
sig.IndexOf(sem::ParameterUsage::kValue));
ctx.Replace(expr, [this, expr, value_idx] {
utils::Vector<const ast::Expression*, 3> args;
utils::Vector<const Expression*, 3> args;
for (auto* arg : expr->args) {
arg = ctx.Clone(arg);
if (args.Length() == value_idx) { // value

19
src/tint/ast/transform/calculate_array_length.cc
View File

@ -57,7 +57,7 @@ bool ShouldRun(const Program* program) {
/// ArrayUsage describes a runtime array usage.
/// It is used as a key by the array_length_by_usage map.
struct ArrayUsage {
ast::BlockStatement const* const block;
BlockStatement const* const block;
sem::Variable const* const buffer;
bool operator==(const ArrayUsage& rhs) const {
return block == rhs.block && buffer == rhs.buffer;
@ -71,7 +71,7 @@ struct ArrayUsage {
} // namespace
CalculateArrayLength::BufferSizeIntrinsic::BufferSizeIntrinsic(ProgramID pid, ast::NodeID nid)
CalculateArrayLength::BufferSizeIntrinsic::BufferSizeIntrinsic(ProgramID pid, NodeID nid)
: Base(pid, nid, utils::Empty) {}
CalculateArrayLength::BufferSizeIntrinsic::~BufferSizeIntrinsic() = default;
std::string CalculateArrayLength::BufferSizeIntrinsic::InternalName() const {
@ -106,7 +106,7 @@ Transform::ApplyResult CalculateArrayLength::Apply(const Program* src,
return utils::GetOrCreate(buffer_size_intrinsics, buffer_type, [&] {
auto name = b.Sym();
auto type = CreateASTTypeFor(ctx, buffer_type);
auto* disable_validation = b.Disable(ast::DisabledValidation::kFunctionParameter);
auto* disable_validation = b.Disable(DisabledValidation::kFunctionParameter);
b.Func(
name,
utils::Vector{
@ -128,13 +128,13 @@ Transform::ApplyResult CalculateArrayLength::Apply(const Program* src,
// Find all the arrayLength() calls...
for (auto* node : src->ASTNodes().Objects()) {
if (auto* call_expr = node->As<ast::CallExpression>()) {
if (auto* call_expr = node->As<CallExpression>()) {
auto* call = sem.Get(call_expr)->UnwrapMaterialize()->As<sem::Call>();
if (auto* builtin = call->Target()->As<sem::Builtin>()) {
if (builtin->Type() == builtin::Function::kArrayLength) {
// We're dealing with an arrayLength() call
if (auto* call_stmt = call->Stmt()->Declaration()->As<ast::CallStatement>()) {
if (auto* call_stmt = call->Stmt()->Declaration()->As<CallStatement>()) {
if (call_stmt->expr == call_expr) {
// arrayLength() is used as a statement.
// The argument expression must be side-effect free, so just drop the
@ -151,13 +151,13 @@ Transform::ApplyResult CalculateArrayLength::Apply(const Program* src,
// arrayLength(&struct_var.array_member)
// arrayLength(&array_var)
auto* arg = call_expr->args[0];
auto* address_of = arg->As<ast::UnaryOpExpression>();
if (TINT_UNLIKELY(!address_of || address_of->op != ast::UnaryOp::kAddressOf)) {
auto* address_of = arg->As<UnaryOpExpression>();
if (TINT_UNLIKELY(!address_of || address_of->op != UnaryOp::kAddressOf)) {
TINT_ICE(Transform, b.Diagnostics())
<< "arrayLength() expected address-of, got " << arg->TypeInfo().name;
}
auto* storage_buffer_expr = address_of->expr;
if (auto* accessor = storage_buffer_expr->As<ast::MemberAccessorExpression>()) {
if (auto* accessor = storage_buffer_expr->As<MemberAccessorExpression>()) {
storage_buffer_expr = accessor->object;
}
auto* storage_buffer_sem = sem.Get<sem::VariableUser>(storage_buffer_expr);
@ -199,8 +199,7 @@ Transform::ApplyResult CalculateArrayLength::Apply(const Program* src,
// array_length = ----------------------------------------
// array_stride
auto name = b.Sym();
const ast::Expression* total_size =
b.Expr(buffer_size_result->variable);
const Expression* total_size = b.Expr(buffer_size_result->variable);
const type::Array* array_type = Switch(
storage_buffer_type->StoreType(),

4
src/tint/ast/transform/calculate_array_length.h
View File

@ -37,12 +37,12 @@ class CalculateArrayLength final : public utils::Castable<CalculateArrayLength,
/// BufferSizeIntrinsic is an InternalAttribute that's applied to intrinsic
/// functions used to obtain the runtime size of a storage buffer.
class BufferSizeIntrinsic final
: public utils::Castable<BufferSizeIntrinsic, ast::InternalAttribute> {
: public utils::Castable<BufferSizeIntrinsic, InternalAttribute> {
public:
/// Constructor
/// @param program_id the identifier of the program that owns this node
/// @param nid the unique node identifier
BufferSizeIntrinsic(ProgramID program_id, ast::NodeID nid);
BufferSizeIntrinsic(ProgramID program_id, NodeID nid);
/// Destructor
~BufferSizeIntrinsic() override;

153
src/tint/ast/transform/canonicalize_entry_point_io.cc
View File

@ -41,7 +41,7 @@ namespace {
/// Info for a struct member
struct MemberInfo {
/// The struct member item
const ast::StructMember* member;
const StructMember* member;
/// The struct member location if provided
std::optional<uint32_t> location;
};
@ -83,9 +83,9 @@ uint32_t BuiltinOrder(builtin::BuiltinValue builtin) {
}
// Returns true if `attr` is a shader IO attribute.
bool IsShaderIOAttribute(const ast::Attribute* attr) {
return attr->IsAnyOf<ast::BuiltinAttribute, ast::InterpolateAttribute, ast::InvariantAttribute,
ast::LocationAttribute>();
bool IsShaderIOAttribute(const Attribute* attr) {
return attr
->IsAnyOf<BuiltinAttribute, InterpolateAttribute, InvariantAttribute, LocationAttribute>();
}
} // namespace
@ -97,11 +97,11 @@ struct CanonicalizeEntryPointIO::State {
/// The name of the output value.
std::string name;
/// The type of the output value.
ast::Type type;
Type type;
/// The shader IO attributes.
utils::Vector<const ast::Attribute*, 8> attributes;
utils::Vector<const Attribute*, 8> attributes;
/// The value itself.
const ast::Expression* value;
const Expression* value;
/// The output location.
std::optional<uint32_t> location;
};
@ -111,29 +111,29 @@ struct CanonicalizeEntryPointIO::State {
/// The transform config.
CanonicalizeEntryPointIO::Config const cfg;
/// The entry point function (AST).
const ast::Function* func_ast;
const Function* func_ast;
/// The entry point function (SEM).
const sem::Function* func_sem;
/// The new entry point wrapper function's parameters.
utils::Vector<const ast::Parameter*, 8> wrapper_ep_parameters;
utils::Vector<const Parameter*, 8> wrapper_ep_parameters;
/// The members of the wrapper function's struct parameter.
utils::Vector<MemberInfo, 8> wrapper_struct_param_members;
/// The name of the wrapper function's struct parameter.
Symbol wrapper_struct_param_name;
/// The parameters that will be passed to the original function.
utils::Vector<const ast::Expression*, 8> inner_call_parameters;
utils::Vector<const Expression*, 8> inner_call_parameters;
/// The members of the wrapper function's struct return type.
utils::Vector<MemberInfo, 8> wrapper_struct_output_members;
/// The wrapper function output values.
utils::Vector<OutputValue, 8> wrapper_output_values;
/// The body of the wrapper function.
utils::Vector<const ast::Statement*, 8> wrapper_body;
utils::Vector<const Statement*, 8> wrapper_body;
/// Input names used by the entrypoint
std::unordered_set<std::string> input_names;
/// A map of cloned attribute to builtin value
utils::Hashmap<const ast::BuiltinAttribute*, builtin::BuiltinValue, 16> builtin_attrs;
utils::Hashmap<const BuiltinAttribute*, builtin::BuiltinValue, 16> builtin_attrs;
/// Constructor
/// @param context the clone context
@ -141,7 +141,7 @@ struct CanonicalizeEntryPointIO::State {
/// @param function the entry point function
State(CloneContext& context,
const CanonicalizeEntryPointIO::Config& config,
const ast::Function* function)
const Function* function)
: ctx(context), cfg(config), func_ast(function), func_sem(ctx.src->Sem().Get(function)) {}
/// Clones the attributes from @p in and adds it to @p out. If @p in is a builtin attribute,
@ -149,12 +149,11 @@ struct CanonicalizeEntryPointIO::State {
/// @param in the attribute to clone
/// @param out the output Attributes
template <size_t N>
void CloneAttribute(const ast::Attribute* in, utils::Vector<const ast::Attribute*, N>& out) {
void CloneAttribute(const Attribute* in, utils::Vector<const Attribute*, N>& out) {
auto* cloned = ctx.Clone(in);
out.Push(cloned);
if (auto* builtin = in->As<ast::BuiltinAttribute>()) {
builtin_attrs.Add(cloned->As<ast::BuiltinAttribute>(),
ctx.src->Sem().Get(builtin)->Value());
if (auto* builtin = in->As<BuiltinAttribute>()) {
builtin_attrs.Add(cloned->As<BuiltinAttribute>(), ctx.src->Sem().Get(builtin)->Value());
}
}
@ -163,12 +162,11 @@ struct CanonicalizeEntryPointIO::State {
/// @param do_interpolate whether to clone InterpolateAttribute
/// @return the cloned attributes
template <size_t N>
auto CloneShaderIOAttributes(const utils::Vector<const ast::Attribute*, N> in,
bool do_interpolate) {
utils::Vector<const ast::Attribute*, N> out;
auto CloneShaderIOAttributes(const utils::Vector<const Attribute*, N> in, bool do_interpolate) {
utils::Vector<const Attribute*, N> out;
for (auto* attr : in) {
if (IsShaderIOAttribute(attr) &&
(do_interpolate || !attr->template Is<ast::InterpolateAttribute>())) {
(do_interpolate || !attr->template Is<InterpolateAttribute>())) {
CloneAttribute(attr, out);
}
}
@ -177,7 +175,7 @@ struct CanonicalizeEntryPointIO::State {
/// @param attr the input attribute
/// @returns the builtin value of the attribute
builtin::BuiltinValue BuiltinOf(const ast::BuiltinAttribute* attr) {
builtin::BuiltinValue BuiltinOf(const BuiltinAttribute* attr) {
if (attr->program_id == ctx.dst->ID()) {
// attr belongs to the target program.
// Obtain the builtin value from #builtin_attrs.
@ -197,8 +195,8 @@ struct CanonicalizeEntryPointIO::State {
/// @param attrs the input attribute list
/// @returns the builtin value if any of the attributes in @p attrs is a builtin attribute,
/// otherwise builtin::BuiltinValue::kUndefined
builtin::BuiltinValue BuiltinOf(utils::VectorRef<const ast::Attribute*> attrs) {
if (auto* builtin = ast::GetAttribute<ast::BuiltinAttribute>(attrs)) {
builtin::BuiltinValue BuiltinOf(utils::VectorRef<const Attribute*> attrs) {
if (auto* builtin = GetAttribute<BuiltinAttribute>(attrs)) {
return BuiltinOf(builtin);
}
return builtin::BuiltinValue::kUndefined;
@ -219,10 +217,10 @@ struct CanonicalizeEntryPointIO::State {
/// @param location the location if provided
/// @param attrs the attributes to apply to the shader input
/// @returns an expression which evaluates to the value of the shader input
const ast::Expression* AddInput(std::string name,
const Expression* AddInput(std::string name,
const type::Type* type,
std::optional<uint32_t> location,
utils::Vector<const ast::Attribute*, 8> attrs) {
utils::Vector<const Attribute*, 8> attrs) {
auto ast_type = CreateASTTypeFor(ctx, type);
auto builtin_attr = BuiltinOf(attrs);
@ -233,17 +231,16 @@ struct CanonicalizeEntryPointIO::State {
// https://www.khronos.org/registry/vulkan/specs/1.3-extensions/man/html/StandaloneSpirv.html#VUID-StandaloneSpirv-Flat-04744
// TODO(crbug.com/tint/1224): Remove this once a flat interpolation attribute is
// required for integers.
if (func_ast->PipelineStage() == ast::PipelineStage::kFragment &&
type->is_integer_scalar_or_vector() &&
!ast::HasAttribute<ast::InterpolateAttribute>(attrs) &&
(ast::HasAttribute<ast::LocationAttribute>(attrs) ||
if (func_ast->PipelineStage() == PipelineStage::kFragment &&
type->is_integer_scalar_or_vector() && !HasAttribute<InterpolateAttribute>(attrs) &&
(HasAttribute<LocationAttribute>(attrs) ||
cfg.shader_style == ShaderStyle::kSpirv)) {
attrs.Push(ctx.dst->Interpolate(builtin::InterpolationType::kFlat,
builtin::InterpolationSampling::kUndefined));
}
// Disable validation for use of the `input` address space.
attrs.Push(ctx.dst->Disable(ast::DisabledValidation::kIgnoreAddressSpace));
attrs.Push(ctx.dst->Disable(DisabledValidation::kIgnoreAddressSpace));
// In GLSL, if it's a builtin, override the name with the
// corresponding gl_ builtin name
@ -255,7 +252,7 @@ struct CanonicalizeEntryPointIO::State {
auto symbol = ctx.dst->Symbols().New(name);
// Create the global variable and use its value for the shader input.
const ast::Expression* value = ctx.dst->Expr(symbol);
const Expression* value = ctx.dst->Expr(symbol);
if (builtin_attr != builtin::BuiltinValue::kUndefined) {
if (cfg.shader_style == ShaderStyle::kGlsl) {
@ -296,18 +293,17 @@ struct CanonicalizeEntryPointIO::State {
void AddOutput(std::string name,
const type::Type* type,
std::optional<uint32_t> location,
utils::Vector<const ast::Attribute*, 8> attrs,
const ast::Expression* value) {
utils::Vector<const Attribute*, 8> attrs,
const Expression* value) {
auto builtin_attr = BuiltinOf(attrs);
// Vulkan requires that integer user-defined vertex outputs are always decorated with
// `Flat`.
// TODO(crbug.com/tint/1224): Remove this once a flat interpolation attribute is required
// for integers.
if (cfg.shader_style == ShaderStyle::kSpirv &&
func_ast->PipelineStage() == ast::PipelineStage::kVertex &&
type->is_integer_scalar_or_vector() &&
ast::HasAttribute<ast::LocationAttribute>(attrs) &&
!ast::HasAttribute<ast::InterpolateAttribute>(attrs)) {
func_ast->PipelineStage() == PipelineStage::kVertex &&
type->is_integer_scalar_or_vector() && HasAttribute<LocationAttribute>(attrs) &&
!HasAttribute<InterpolateAttribute>(attrs)) {
attrs.Push(ctx.dst->Interpolate(builtin::InterpolationType::kFlat,
builtin::InterpolationSampling::kUndefined));
}
@ -338,14 +334,14 @@ struct CanonicalizeEntryPointIO::State {
/// @param param the original function parameter
void ProcessNonStructParameter(const sem::Parameter* param) {
// Do not add interpolation attributes on vertex input
bool do_interpolate = func_ast->PipelineStage() != ast::PipelineStage::kVertex;
bool do_interpolate = func_ast->PipelineStage() != PipelineStage::kVertex;
// Remove the shader IO attributes from the inner function parameter, and attach them to the
// new object instead.
utils::Vector<const ast::Attribute*, 8> attributes;
utils::Vector<const Attribute*, 8> attributes;
for (auto* attr : param->Declaration()->attributes) {
if (IsShaderIOAttribute(attr)) {
ctx.Remove(param->Declaration()->attributes, attr);
if ((do_interpolate || !attr->Is<ast::InterpolateAttribute>())) {
if ((do_interpolate || !attr->Is<InterpolateAttribute>())) {
CloneAttribute(attr, attributes);
}
}
@ -363,13 +359,13 @@ struct CanonicalizeEntryPointIO::State {
/// @param param the original function parameter
void ProcessStructParameter(const sem::Parameter* param) {
// Do not add interpolation attributes on vertex input
bool do_interpolate = func_ast->PipelineStage() != ast::PipelineStage::kVertex;
bool do_interpolate = func_ast->PipelineStage() != PipelineStage::kVertex;
auto* str = param->Type()->As<sem::Struct>();
// Recreate struct members in the outer entry point and build an initializer
// list to pass them through to the inner function.
utils::Vector<const ast::Expression*, 8> inner_struct_values;
utils::Vector<const Expression*, 8> inner_struct_values;
for (auto* member : str->Members()) {
if (TINT_UNLIKELY(member->Type()->Is<type::Struct>())) {
TINT_ICE(Transform, ctx.dst->Diagnostics()) << "nested IO struct";
@ -397,7 +393,7 @@ struct CanonicalizeEntryPointIO::State {
/// @param original_result the result object produced by the original function
void ProcessReturnType(const type::Type* inner_ret_type, Symbol original_result) {
// Do not add interpolation attributes on fragment output
bool do_interpolate = func_ast->PipelineStage() != ast::PipelineStage::kFragment;
bool do_interpolate = func_ast->PipelineStage() != PipelineStage::kFragment;
if (auto* str = inner_ret_type->As<sem::Struct>()) {
for (auto* member : str->Members()) {
if (TINT_UNLIKELY(member->Type()->Is<type::Struct>())) {
@ -456,7 +452,7 @@ struct CanonicalizeEntryPointIO::State {
/// Create an expression for gl_Position.[component]
/// @param component the component of gl_Position to access
/// @returns the new expression
const ast::Expression* GLPosition(const char* component) {
const Expression* GLPosition(const char* component) {
Symbol pos = ctx.dst->Symbols().Register("gl_Position");
Symbol c = ctx.dst->Symbols().Register(component);
return ctx.dst->MemberAccessor(ctx.dst->Expr(pos), c);
@ -469,10 +465,10 @@ struct CanonicalizeEntryPointIO::State {
/// @param b another struct member
/// @returns true if a comes before b
bool StructMemberComparator(const MemberInfo& a, const MemberInfo& b) {
auto* a_loc = ast::GetAttribute<ast::LocationAttribute>(a.member->attributes);
auto* b_loc = ast::GetAttribute<ast::LocationAttribute>(b.member->attributes);
auto* a_blt = ast::GetAttribute<ast::BuiltinAttribute>(a.member->attributes);
auto* b_blt = ast::GetAttribute<ast::BuiltinAttribute>(b.member->attributes);
auto* a_loc = GetAttribute<LocationAttribute>(a.member->attributes);
auto* b_loc = GetAttribute<LocationAttribute>(b.member->attributes);
auto* a_blt = GetAttribute<BuiltinAttribute>(a.member->attributes);
auto* b_blt = GetAttribute<BuiltinAttribute>(b.member->attributes);
if (a_loc) {
if (!b_loc) {
// `a` has location attribute and `b` does not: `a` goes first.
@ -497,15 +493,15 @@ struct CanonicalizeEntryPointIO::State {
std::sort(wrapper_struct_param_members.begin(), wrapper_struct_param_members.end(),
[&](auto& a, auto& b) { return StructMemberComparator(a, b); });
utils::Vector<const ast::StructMember*, 8> members;
utils::Vector<const StructMember*, 8> members;
for (auto& mem : wrapper_struct_param_members) {
members.Push(mem.member);
}
// Create the new struct type.
auto struct_name = ctx.dst->Sym();
auto* in_struct = ctx.dst->create<ast::Struct>(ctx.dst->Ident(struct_name),
std::move(members), utils::Empty);
auto* in_struct =
ctx.dst->create<Struct>(ctx.dst->Ident(struct_name), std::move(members), utils::Empty);
ctx.InsertBefore(ctx.src->AST().GlobalDeclarations(), func_ast, in_struct);
// Create a new function parameter using this struct type.
@ -515,8 +511,8 @@ struct CanonicalizeEntryPointIO::State {
/// Create and return the wrapper function's struct result object.
/// @returns the struct type
ast::Struct* CreateOutputStruct() {
utils::Vector<const ast::Statement*, 8> assignments;
Struct* CreateOutputStruct() {
utils::Vector<const Statement*, 8> assignments;
auto wrapper_result = ctx.dst->Symbols().New("wrapper_result");
@ -544,13 +540,13 @@ struct CanonicalizeEntryPointIO::State {
std::sort(wrapper_struct_output_members.begin(), wrapper_struct_output_members.end(),
[&](auto& a, auto& b) { return StructMemberComparator(a, b); });
utils::Vector<const ast::StructMember*, 8> members;
utils::Vector<const StructMember*, 8> members;
for (auto& mem : wrapper_struct_output_members) {
members.Push(mem.member);
}
// Create the new struct type.
auto* out_struct = ctx.dst->create<ast::Struct>(ctx.dst->Ident(ctx.dst->Sym()),
auto* out_struct = ctx.dst->create<Struct>(ctx.dst->Ident(ctx.dst->Sym()),
std::move(members), utils::Empty);
ctx.InsertBefore(ctx.src->AST().GlobalDeclarations(), func_ast, out_struct);
@ -570,12 +566,12 @@ struct CanonicalizeEntryPointIO::State {
for (auto& outval : wrapper_output_values) {
// Disable validation for use of the `output` address space.
auto attributes = std::move(outval.attributes);
attributes.Push(ctx.dst->Disable(ast::DisabledValidation::kIgnoreAddressSpace));
attributes.Push(ctx.dst->Disable(DisabledValidation::kIgnoreAddressSpace));
// Create the global variable and assign it the output value.
auto name = ctx.dst->Symbols().New(outval.name);
ast::Type type = outval.type;
const ast::Expression* lhs = ctx.dst->Expr(name);
Type type = outval.type;
const Expression* lhs = ctx.dst->Expr(name);
if (BuiltinOf(attributes) == builtin::BuiltinValue::kSampleMask) {
// Vulkan requires the type of a SampleMask builtin to be an array.
// Declare it as array<u32, 1> and then store to the first element.
@ -589,7 +585,7 @@ struct CanonicalizeEntryPointIO::State {
// Recreate the original function without entry point attributes and call it.
/// @returns the inner function call expression
const ast::CallExpression* CallInnerFunction() {
const CallExpression* CallInnerFunction() {
Symbol inner_name;
if (cfg.shader_style == ShaderStyle::kGlsl) {
// In GLSL, clone the original entry point name, as the wrapper will be
@ -606,9 +602,9 @@ struct CanonicalizeEntryPointIO::State {
// The parameter attributes will have already been stripped during
// processing.
auto* inner_function =
ctx.dst->create<ast::Function>(ctx.dst->Ident(inner_name), ctx.Clone(func_ast->params),
ctx.Clone(func_ast->return_type),
ctx.Clone(func_ast->body), utils::Empty, utils::Empty);
ctx.dst->create<Function>(ctx.dst->Ident(inner_name), ctx.Clone(func_ast->params),
ctx.Clone(func_ast->return_type), ctx.Clone(func_ast->body),
utils::Empty, utils::Empty);
ctx.Replace(func_ast, inner_function);
// Call the function.
@ -619,12 +615,11 @@ struct CanonicalizeEntryPointIO::State {
void Process() {
bool needs_fixed_sample_mask = false;
bool needs_vertex_point_size = false;
if (func_ast->PipelineStage() == ast::PipelineStage::kFragment &&
if (func_ast->PipelineStage() == PipelineStage::kFragment &&
cfg.fixed_sample_mask != 0xFFFFFFFF) {
needs_fixed_sample_mask = true;
}
if (func_ast->PipelineStage() == ast::PipelineStage::kVertex &&
cfg.emit_vertex_point_size) {
if (func_ast->PipelineStage() == PipelineStage::kVertex && cfg.emit_vertex_point_size) {
needs_vertex_point_size = true;
}
@ -656,7 +651,7 @@ struct CanonicalizeEntryPointIO::State {
auto* call_inner = CallInnerFunction();
// Process the return type, and start building the wrapper function body.
std::function<ast::Type()> wrapper_ret_type = [&] { return ctx.dst->ty.void_(); };
std::function<Type()> wrapper_ret_type = [&] { return ctx.dst->ty.void_(); };
if (func_sem->ReturnType()->Is<type::Void>()) {
// The function call is just a statement with no result.
wrapper_body.Push(ctx.dst->CallStmt(call_inner));
@ -693,10 +688,10 @@ struct CanonicalizeEntryPointIO::State {
}
if (cfg.shader_style == ShaderStyle::kGlsl &&
func_ast->PipelineStage() == ast::PipelineStage::kVertex) {
func_ast->PipelineStage() == PipelineStage::kVertex) {
auto* pos_y = GLPosition("y");
auto* negate_pos_y =
ctx.dst->create<ast::UnaryOpExpression>(ast::UnaryOp::kNegation, GLPosition("y"));
ctx.dst->create<UnaryOpExpression>(UnaryOp::kNegation, GLPosition("y"));
wrapper_body.Push(ctx.dst->Assign(pos_y, negate_pos_y));
auto* two_z = ctx.dst->Mul(ctx.dst->Expr(2_f), GLPosition("z"));
@ -714,7 +709,7 @@ struct CanonicalizeEntryPointIO::State {
name = ctx.Clone(func_ast->name->symbol);
}
auto* wrapper_func = ctx.dst->create<ast::Function>(
auto* wrapper_func = ctx.dst->create<Function>(
ctx.dst->Ident(name), wrapper_ep_parameters, ctx.dst->ty(wrapper_ret_type()),
ctx.dst->Block(wrapper_body), ctx.Clone(func_ast->attributes), utils::Empty);
ctx.InsertAfter(ctx.src->AST().GlobalDeclarations(), func_ast, wrapper_func);
@ -726,14 +721,14 @@ struct CanonicalizeEntryPointIO::State {
/// @param address_space the address space (input or output)
/// @returns the gl_ string corresponding to that builtin
const char* GLSLBuiltinToString(builtin::BuiltinValue builtin,
ast::PipelineStage stage,
PipelineStage stage,
builtin::AddressSpace address_space) {
switch (builtin) {
case builtin::BuiltinValue::kPosition:
switch (stage) {
case ast::PipelineStage::kVertex:
case PipelineStage::kVertex:
return "gl_Position";
case ast::PipelineStage::kFragment:
case PipelineStage::kFragment:
return "gl_FragCoord";
default:
return "";
@ -775,9 +770,9 @@ struct CanonicalizeEntryPointIO::State {
/// @param ast_type (inout) the incoming WGSL and outgoing GLSL types
/// @returns an expression representing the GLSL builtin converted to what
/// WGSL expects
const ast::Expression* FromGLSLBuiltin(builtin::BuiltinValue builtin,
const ast::Expression* value,
ast::Type& ast_type) {
const Expression* FromGLSLBuiltin(builtin::BuiltinValue builtin,
const Expression* value,
Type& ast_type) {
switch (builtin) {
case builtin::BuiltinValue::kVertexIndex:
case builtin::BuiltinValue::kInstanceIndex:
@ -805,8 +800,8 @@ struct CanonicalizeEntryPointIO::State {
/// @param value the value to convert
/// @param type (out) the type to which the value was converted
/// @returns the converted value which can be assigned to the GLSL builtin
const ast::Expression* ToGLSLBuiltin(builtin::BuiltinValue builtin,
const ast::Expression* value,
const Expression* ToGLSLBuiltin(builtin::BuiltinValue builtin,
const Expression* value,
const type::Type*& type) {
switch (builtin) {
case builtin::BuiltinValue::kVertexIndex:
@ -839,7 +834,7 @@ Transform::ApplyResult CanonicalizeEntryPointIO::Apply(const Program* src,
// Remove entry point IO attributes from struct declarations.
// New structures will be created for each entry point, as necessary.
for (auto* ty : src->AST().TypeDecls()) {
if (auto* struct_ty = ty->As<ast::Struct>()) {
if (auto* struct_ty = ty->As<Struct>()) {
for (auto* member : struct_ty->members) {
for (auto* attr : member->attributes) {
if (IsShaderIOAttribute(attr)) {

24
src/tint/ast/transform/clamp_frag_depth.cc
View File

@ -51,7 +51,7 @@ struct ClampFragDepth::State {
Transform::ApplyResult Run() {
// Abort on any use of push constants in the module.
for (auto* global : src->AST().GlobalVariables()) {
if (auto* var = global->As<ast::Var>()) {
if (auto* var = global->As<Var>()) {
auto* v = src->Sem().Get(var);
if (TINT_UNLIKELY(v->AddressSpace() == builtin::AddressSpace::kPushConstant)) {
TINT_ICE(Transform, b.Diagnostics())
@ -101,14 +101,14 @@ struct ClampFragDepth::State {
// Map of io struct to helper function to return the structure with the depth clamping
// applied.
utils::Hashmap<const ast::Struct*, Symbol, 4u> io_structs_clamp_helpers;
utils::Hashmap<const Struct*, Symbol, 4u> io_structs_clamp_helpers;
// Register a callback that will be called for each visted AST function.
// This call wraps the cloning of the function's statements, and will assign to
// `returns_frag_depth_as_value` or `returns_frag_depth_as_struct_helper` if the function's
// return value requires depth clamping.
ctx.ReplaceAll([&](const ast::Function* fn) {
if (fn->PipelineStage() != ast::PipelineStage::kFragment) {
ctx.ReplaceAll([&](const Function* fn) {
if (fn->PipelineStage() != PipelineStage::kFragment) {
return ctx.CloneWithoutTransform(fn);
}
@ -129,9 +129,9 @@ struct ClampFragDepth::State {
auto fn_sym =
b.Symbols().New("clamp_frag_depth_" + struct_ty->name->symbol.Name());
utils::Vector<const ast::Expression*, 8u> initializer_args;
utils::Vector<const Expression*, 8u> initializer_args;
for (auto* member : struct_ty->members) {
const ast::Expression* arg =
const Expression* arg =
b.MemberAccessor("s", ctx.Clone(member->name->symbol));
if (ContainsFragDepth(member->attributes)) {
arg = b.Call(base_fn_sym, arg);
@ -154,7 +154,7 @@ struct ClampFragDepth::State {
});
// Replace the return statements `return expr` with `return clamp_frag_depth(expr)`.
ctx.ReplaceAll([&](const ast::ReturnStatement* stmt) -> const ast::ReturnStatement* {
ctx.ReplaceAll([&](const ReturnStatement* stmt) -> const ReturnStatement* {
if (returns_frag_depth_as_value) {
return b.Return(stmt->source, b.Call(base_fn_sym, ctx.Clone(stmt->value)));
}
@ -173,7 +173,7 @@ struct ClampFragDepth::State {
/// @returns true if the transform should run
bool ShouldRun() {
for (auto* fn : src->AST().Functions()) {
if (fn->PipelineStage() == ast::PipelineStage::kFragment &&
if (fn->PipelineStage() == PipelineStage::kFragment &&
(ReturnsFragDepthAsValue(fn) || ReturnsFragDepthInStruct(fn))) {
return true;
}
@ -183,9 +183,9 @@ struct ClampFragDepth::State {
}
/// @param attrs the attributes to examine
/// @returns true if @p attrs contains a `@builtin(frag_depth)` attribute
bool ContainsFragDepth(utils::VectorRef<const ast::Attribute*> attrs) {
bool ContainsFragDepth(utils::VectorRef<const Attribute*> attrs) {
for (auto* attribute : attrs) {
if (auto* builtin_attr = attribute->As<ast::BuiltinAttribute>()) {
if (auto* builtin_attr = attribute->As<BuiltinAttribute>()) {
auto builtin = sem.Get(builtin_attr)->Value();
if (builtin == builtin::BuiltinValue::kFragDepth) {
return true;
@ -198,14 +198,14 @@ struct ClampFragDepth::State {
/// @param fn the function to examine
/// @returns true if @p fn has a return type with a `@builtin(frag_depth)` attribute
bool ReturnsFragDepthAsValue(const ast::Function* fn) {
bool ReturnsFragDepthAsValue(const Function* fn) {
return ContainsFragDepth(fn->return_type_attributes);
}
/// @param fn the function to examine
/// @returns true if @p fn has a return structure with a `@builtin(frag_depth)` attribute on one
/// of the members
bool ReturnsFragDepthInStruct(const ast::Function* fn) {
bool ReturnsFragDepthInStruct(const Function* fn) {
if (auto* struct_ty = sem.Get(fn)->ReturnType()->As<sem::Struct>()) {
for (auto* member : struct_ty->Members()) {
if (ContainsFragDepth(member->Declaration()->attributes)) {

46
src/tint/ast/transform/combine_samplers.cc
View File

@ -61,7 +61,7 @@ struct CombineSamplers::State {
/// Map from a texture/sampler pair to the corresponding combined sampler
/// variable
using CombinedTextureSamplerMap = std::unordered_map<sem::VariablePair, const ast::Variable*>;
using CombinedTextureSamplerMap = std::unordered_map<sem::VariablePair, const Variable*>;
/// Use sem::BindingPoint without scope.
using BindingPoint = sem::BindingPoint;
@ -79,15 +79,14 @@ struct CombineSamplers::State {
/// references (one comparison sampler, one regular). These are also used as
/// temporary sampler parameters to the texture builtins to satisfy the WGSL
/// resolver, but are then ignored and removed by the GLSL writer.
const ast::Variable* placeholder_samplers_[2] = {};
const Variable* placeholder_samplers_[2] = {};
/// Group and binding attributes used by all combined sampler globals.
/// Group 0 and binding 0 are used, with collisions disabled.
/// @returns the newly-created attribute list
auto Attributes() const {
utils::Vector<const ast::Attribute*, 3> attributes{ctx.dst->Group(0_a),
ctx.dst->Binding(0_a)};
attributes.Push(ctx.dst->Disable(ast::DisabledValidation::kBindingPointCollision));
utils::Vector<const Attribute*, 3> attributes{ctx.dst->Group(0_a), ctx.dst->Binding(0_a)};
attributes.Push(ctx.dst->Disable(DisabledValidation::kBindingPointCollision));
return attributes;
}
@ -103,7 +102,7 @@ struct CombineSamplers::State {
/// @param sampler_var the sampler (global) variable
/// @param name the default name to use (may be overridden by map lookup)
/// @returns the newly-created global variable
const ast::Variable* CreateCombinedGlobal(const sem::Variable* texture_var,
const Variable* CreateCombinedGlobal(const sem::Variable* texture_var,
const sem::Variable* sampler_var,
std::string name) {
SamplerTexturePair bp_pair;
@ -115,7 +114,7 @@ struct CombineSamplers::State {
if (it != binding_info->binding_map.end()) {
name = it->second;
}
ast::Type type = CreateCombinedASTTypeFor(texture_var, sampler_var);
Type type = CreateCombinedASTTypeFor(texture_var, sampler_var);
Symbol symbol = ctx.dst->Symbols().New(name);
return ctx.dst->GlobalVar(symbol, type, Attributes());
}
@ -123,8 +122,8 @@ struct CombineSamplers::State {
/// Creates placeholder global sampler variables.
/// @param kind the sampler kind to create for
/// @returns the newly-created global variable
const ast::Variable* CreatePlaceholder(type::SamplerKind kind) {
ast::Type type = ctx.dst->ty.sampler(kind);
const Variable* CreatePlaceholder(type::SamplerKind kind) {
Type type = ctx.dst->ty.sampler(kind);
const char* name = kind == type::SamplerKind::kComparisonSampler
? "placeholder_comparison_sampler"
: "placeholder_sampler";
@ -132,13 +131,13 @@ struct CombineSamplers::State {
return ctx.dst->GlobalVar(symbol, type, Attributes());
}
/// Creates ast::Identifier for a given texture and sampler variable pair.
/// Creates Identifier for a given texture and sampler variable pair.
/// Depth textures with no samplers are turned into the corresponding
/// f32 texture (e.g., texture_depth_2d -> texture_2d<f32>).
/// @param texture the texture variable of interest
/// @param sampler the texture variable of interest
/// @returns the newly-created type
ast::Type CreateCombinedASTTypeFor(const sem::Variable* texture, const sem::Variable* sampler) {
Type CreateCombinedASTTypeFor(const sem::Variable* texture, const sem::Variable* sampler) {
const type::Type* texture_type = texture->Type()->UnwrapRef();
const type::DepthTexture* depth = texture_type->As<type::DepthTexture>();
if (depth && !sampler) {
@ -163,8 +162,7 @@ struct CombineSamplers::State {
ctx.Remove(ctx.src->AST().GlobalDeclarations(), global);
} else if (auto binding_point = global_sem->BindingPoint()) {
if (binding_point->group == 0 && binding_point->binding == 0) {
auto* attribute =
ctx.dst->Disable(ast::DisabledValidation::kBindingPointCollision);
auto* attribute = ctx.dst->Disable(DisabledValidation::kBindingPointCollision);
ctx.InsertFront(global->attributes, attribute);
}
}
@ -172,13 +170,13 @@ struct CombineSamplers::State {
// Rewrite all function signatures to use combined samplers, and remove
// separate textures & samplers. Create new combined globals where found.
ctx.ReplaceAll([&](const ast::Function* ast_fn) -> const ast::Function* {
ctx.ReplaceAll([&](const Function* ast_fn) -> const Function* {
if (auto* fn = sem.Get(ast_fn)) {
auto pairs = fn->TextureSamplerPairs();
if (pairs.IsEmpty()) {
return nullptr;
}
utils::Vector<const ast::Parameter*, 8> params;
utils::Vector<const Parameter*, 8> params;
for (auto pair : fn->TextureSamplerPairs()) {
const sem::Variable* texture_var = pair.first;
const sem::Variable* sampler_var = pair.second;
@ -195,7 +193,7 @@ struct CombineSamplers::State {
} else {
// Either texture or sampler (or both) is a function parameter;
// add a new function parameter to represent the combined sampler.
ast::Type type = CreateCombinedASTTypeFor(texture_var, sampler_var);
Type type = CreateCombinedASTTypeFor(texture_var, sampler_var);
auto* var = ctx.dst->Param(ctx.dst->Symbols().New(name), type);
params.Push(var);
function_combined_texture_samplers_[fn][pair] = var;
@ -215,7 +213,7 @@ struct CombineSamplers::State {
auto* body = ctx.Clone(ast_fn->body);
auto attributes = ctx.Clone(ast_fn->attributes);
auto return_type_attributes = ctx.Clone(ast_fn->return_type_attributes);
return ctx.dst->create<ast::Function>(name, params, return_type, body,
return ctx.dst->create<Function>(name, params, return_type, body,
std::move(attributes),
std::move(return_type_attributes));
}
@ -225,9 +223,9 @@ struct CombineSamplers::State {
// Replace all function call expressions containing texture or
// sampler parameters to use the current function's combined samplers or
// the combined global samplers, as appropriate.
ctx.ReplaceAll([&](const ast::CallExpression* expr) -> const ast::Expression* {
ctx.ReplaceAll([&](const CallExpression* expr) -> const Expression* {
if (auto* call = sem.Get(expr)->UnwrapMaterialize()->As<sem::Call>()) {
utils::Vector<const ast::Expression*, 8> args;
utils::Vector<const Expression*, 8> args;
// Replace all texture builtin calls.
if (auto* builtin = call->Target()->As<sem::Builtin>()) {
const auto& signature = builtin->Signature();
@ -254,7 +252,7 @@ struct CombineSamplers::State {
for (auto* arg : expr->args) {
auto* type = ctx.src->TypeOf(arg)->UnwrapRef();
if (type->Is<type::Texture>()) {
const ast::Variable* var =
const Variable* var =
IsGlobal(new_pair)
? global_combined_texture_samplers_[new_pair]
: function_combined_texture_samplers_[call->Stmt()->Function()]
@ -263,7 +261,7 @@ struct CombineSamplers::State {
} else if (auto* sampler_type = type->As<type::Sampler>()) {
type::SamplerKind kind = sampler_type->kind();
int index = (kind == type::SamplerKind::kSampler) ? 0 : 1;
const ast::Variable*& p = placeholder_samplers_[index];
const Variable*& p = placeholder_samplers_[index];
if (!p) {
p = CreatePlaceholder(kind);
}
@ -272,10 +270,10 @@ struct CombineSamplers::State {
args.Push(ctx.Clone(arg));
}
}
const ast::Expression* value = ctx.dst->Call(ctx.Clone(expr->target), args);
const Expression* value = ctx.dst->Call(ctx.Clone(expr->target), args);
if (builtin->Type() == builtin::Function::kTextureLoad &&
texture_var->Type()->UnwrapRef()->Is<type::DepthTexture>() &&
!call->Stmt()->Declaration()->Is<ast::CallStatement>()) {
!call->Stmt()->Declaration()->Is<CallStatement>()) {
value = ctx.dst->MemberAccessor(value, "x");
}
return value;
@ -307,7 +305,7 @@ struct CombineSamplers::State {
// If both texture and sampler are (now) global, pass that
// global variable to the callee. Otherwise use the caller's
// function parameter for this pair.
const ast::Variable* var =
const Variable* var =
IsGlobal(new_pair)
? global_combined_texture_samplers_[new_pair]
: function_combined_texture_samplers_[call->Stmt()->Function()]

88
src/tint/ast/transform/decompose_memory_access.cc
View File

@ -60,21 +60,21 @@ bool ShouldRun(const Program* program) {
return false;
}
/// Offset is a simple ast::Expression builder interface, used to build byte
/// Offset is a simple Expression builder interface, used to build byte
/// offsets for storage and uniform buffer accesses.
struct Offset : utils::Castable<Offset> {
/// @returns builds and returns the ast::Expression in `ctx.dst`
virtual const ast::Expression* Build(CloneContext& ctx) const = 0;
/// @returns builds and returns the Expression in `ctx.dst`
virtual const Expression* Build(CloneContext& ctx) const = 0;
};
/// OffsetExpr is an implementation of Offset that clones and casts the given
/// expression to `u32`.
struct OffsetExpr : Offset {
const ast::Expression* const expr = nullptr;
const Expression* const expr = nullptr;
explicit OffsetExpr(const ast::Expression* e) : expr(e) {}
explicit OffsetExpr(const Expression* e) : expr(e) {}
const ast::Expression* Build(CloneContext& ctx) const override {
const Expression* Build(CloneContext& ctx) const override {
auto* type = ctx.src->Sem().GetVal(expr)->Type()->UnwrapRef();
auto* res = ctx.Clone(expr);
if (!type->Is<type::U32>()) {
@ -91,7 +91,7 @@ struct OffsetLiteral final : utils::Castable<OffsetLiteral, Offset> {
explicit OffsetLiteral(uint32_t lit) : literal(lit) {}
const ast::Expression* Build(CloneContext& ctx) const override {
const Expression* Build(CloneContext& ctx) const override {
return ctx.dst->Expr(u32(literal));
}
};
@ -99,12 +99,12 @@ struct OffsetLiteral final : utils::Castable<OffsetLiteral, Offset> {
/// OffsetBinOp is an implementation of Offset that constructs a binary-op of
/// two Offsets.
struct OffsetBinOp : Offset {
ast::BinaryOp op;
BinaryOp op;
Offset const* lhs = nullptr;
Offset const* rhs = nullptr;
const ast::Expression* Build(CloneContext& ctx) const override {
return ctx.dst->create<ast::BinaryExpression>(op, lhs->Build(ctx), rhs->Build(ctx));
const Expression* Build(CloneContext& ctx) const override {
return ctx.dst->create<BinaryExpression>(op, lhs->Build(ctx), rhs->Build(ctx));
}
};
@ -313,7 +313,7 @@ struct BufferAccess {
/// Store describes a single storage or uniform buffer write
struct Store {
const ast::AssignmentStatement* assignment; // The AST assignment statement
const AssignmentStatement* assignment; // The AST assignment statement
BufferAccess target; // The target for the write
};
@ -330,9 +330,9 @@ struct DecomposeMemoryAccess::State {
/// expressions chain the access.
/// Subset of #expression_order, as expressions are not removed from
/// #expression_order.
std::unordered_map<const ast::Expression*, BufferAccess> accesses;
std::unordered_map<const Expression*, BufferAccess> accesses;
/// The visited order of AST expressions (superset of #accesses)
std::vector<const ast::Expression*> expression_order;
std::vector<const Expression*> expression_order;
/// [buffer-type, element-type] -> load function name
std::unordered_map<LoadStoreKey, Symbol, LoadStoreKey::Hasher> load_funcs;
/// [buffer-type, element-type] -> store function name
@ -353,9 +353,9 @@ struct DecomposeMemoryAccess::State {
const Offset* ToOffset(uint32_t offset) { return offsets_.Create<OffsetLiteral>(offset); }
/// @param expr the expression to convert to an Offset
/// @returns an Offset for the given ast::Expression
const Offset* ToOffset(const ast::Expression* expr) {
if (auto* lit = expr->As<ast::IntLiteralExpression>()) {
/// @returns an Offset for the given Expression
const Offset* ToOffset(const Expression* expr) {
if (auto* lit = expr->As<IntLiteralExpression>()) {
if (lit->value >= 0) {
return offsets_.Create<OffsetLiteral>(static_cast<uint32_t>(lit->value));
}
@ -390,7 +390,7 @@ struct DecomposeMemoryAccess::State {
}
}
auto* out = offsets_.Create<OffsetBinOp>();
out->op = ast::BinaryOp::kAdd;
out->op = BinaryOp::kAdd;
out->lhs = lhs;
out->rhs = rhs;
return out;
@ -422,7 +422,7 @@ struct DecomposeMemoryAccess::State {
return offsets_.Create<OffsetLiteral>(lhs_lit->literal * rhs_lit->literal);
}
auto* out = offsets_.Create<OffsetBinOp>();
out->op = ast::BinaryOp::kMultiply;
out->op = BinaryOp::kMultiply;
out->lhs = lhs;
out->rhs = rhs;
return out;
@ -432,7 +432,7 @@ struct DecomposeMemoryAccess::State {
/// to #expression_order.
/// @param expr the expression that performs the access
/// @param access the access
void AddAccess(const ast::Expression* expr, const BufferAccess& access) {
void AddAccess(const Expression* expr, const BufferAccess& access) {
TINT_ASSERT(Transform, access.type);
accesses.emplace(expr, access);
expression_order.emplace_back(expr);
@ -443,7 +443,7 @@ struct DecomposeMemoryAccess::State {
/// `node`, an invalid BufferAccess is returned.
/// @param node the expression that performed an access
/// @return the BufferAccess for the given expression
BufferAccess TakeAccess(const ast::Expression* node) {
BufferAccess TakeAccess(const Expression* node) {
auto lhs_it = accesses.find(node);
if (lhs_it == accesses.end()) {
return {};
@ -475,7 +475,7 @@ struct DecomposeMemoryAccess::State {
b.Func(name, params, el_ast_ty, nullptr,
utils::Vector{
intrinsic,
b.Disable(ast::DisabledValidation::kFunctionHasNoBody),
b.Disable(DisabledValidation::kFunctionHasNoBody),
});
} else if (auto* arr_ty = el_ty->As<type::Array>()) {
// fn load_func(buffer : buf_ty, offset : u32) -> array<T, N> {
@ -498,8 +498,8 @@ struct DecomposeMemoryAccess::State {
TINT_ICE(Transform, b.Diagnostics()) << "unexpected non-constant array count";
arr_cnt = 1;
}
auto* for_cond = b.create<ast::BinaryExpression>(
ast::BinaryOp::kLessThan, b.Expr(i), b.Expr(u32(arr_cnt.value())));
auto* for_cond = b.create<BinaryExpression>(BinaryOp::kLessThan, b.Expr(i),
b.Expr(u32(arr_cnt.value())));
auto* for_cont = b.Assign(i, b.Add(i, 1_u));
auto* arr_el = b.IndexAccessor(arr, i);
auto* el_offset = b.Add(b.Expr("offset"), b.Mul(i, u32(arr_ty->Stride())));
@ -514,7 +514,7 @@ struct DecomposeMemoryAccess::State {
b.Return(arr),
});
} else {
utils::Vector<const ast::Expression*, 8> values;
utils::Vector<const Expression*, 8> values;
if (auto* mat_ty = el_ty->As<type::Matrix>()) {
auto* vec_ty = mat_ty->ColumnType();
Symbol load = LoadFunc(vec_ty, address_space, buffer);
@ -557,10 +557,10 @@ struct DecomposeMemoryAccess::State {
b.Func(name, params, b.ty.void_(), nullptr,
utils::Vector{
intrinsic,
b.Disable(ast::DisabledValidation::kFunctionHasNoBody),
b.Disable(DisabledValidation::kFunctionHasNoBody),
});
} else {
auto body = Switch<utils::Vector<const ast::Statement*, 8>>(
auto body = Switch<utils::Vector<const Statement*, 8>>(
el_ty, //
[&](const type::Array* arr_ty) {
// fn store_func(buffer : buf_ty, offset : u32, value : el_ty) {
@ -585,8 +585,8 @@ struct DecomposeMemoryAccess::State {
<< "unexpected non-constant array count";
arr_cnt = 1;
}
auto* for_cond = b.create<ast::BinaryExpression>(
ast::BinaryOp::kLessThan, b.Expr(i), b.Expr(u32(arr_cnt.value())));
auto* for_cond = b.create<BinaryExpression>(BinaryOp::kLessThan, b.Expr(i),
b.Expr(u32(arr_cnt.value())));
auto* for_cont = b.Assign(i, b.Add(i, 1_u));
auto* arr_el = b.IndexAccessor(array, i);
auto* el_offset = b.Add(b.Expr("offset"), b.Mul(i, u32(arr_ty->Stride())));
@ -598,7 +598,7 @@ struct DecomposeMemoryAccess::State {
[&](const type::Matrix* mat_ty) {
auto* vec_ty = mat_ty->ColumnType();
Symbol store = StoreFunc(vec_ty, buffer);
utils::Vector<const ast::Statement*, 4> stmts;
utils::Vector<const Statement*, 4> stmts;
for (uint32_t i = 0; i < mat_ty->columns(); i++) {
auto* offset = b.Add("offset", u32(i * mat_ty->ColumnStride()));
auto* element = b.IndexAccessor("value", u32(i));
@ -608,7 +608,7 @@ struct DecomposeMemoryAccess::State {
return stmts;
},
[&](const type::Struct* str) {
utils::Vector<const ast::Statement*, 8> stmts;
utils::Vector<const Statement*, 8> stmts;
for (auto* member : str->Members()) {
auto* offset = b.Add("offset", u32(member->Offset()));
auto* element = b.MemberAccessor("value", ctx.Clone(member->Name()));
@ -656,14 +656,14 @@ struct DecomposeMemoryAccess::State {
<< el_ty->TypeInfo().name;
}
ast::Type ret_ty;
Type ret_ty;
// For intrinsics that return a struct, there is no AST node for it, so create one now.
if (intrinsic->Type() == builtin::Function::kAtomicCompareExchangeWeak) {
auto* str = intrinsic->ReturnType()->As<type::Struct>();
TINT_ASSERT(Transform, str);
utils::Vector<const ast::StructMember*, 8> ast_members;
utils::Vector<const StructMember*, 8> ast_members;
ast_members.Reserve(str->Members().Length());
for (auto& m : str->Members()) {
ast_members.Push(
@ -681,7 +681,7 @@ struct DecomposeMemoryAccess::State {
b.Func(name, std::move(params), ret_ty, nullptr,
utils::Vector{
atomic,
b.Disable(ast::DisabledValidation::kFunctionHasNoBody),
b.Disable(DisabledValidation::kFunctionHasNoBody),
});
return name;
});
@ -689,11 +689,11 @@ struct DecomposeMemoryAccess::State {
};
DecomposeMemoryAccess::Intrinsic::Intrinsic(ProgramID pid,
ast::NodeID nid,
NodeID nid,
Op o,
DataType ty,
builtin::AddressSpace as,
const ast::IdentifierExpression* buf)
const IdentifierExpression* buf)
: Base(pid, nid, utils::Vector{buf}), op(o), type(ty), address_space(as) {}
DecomposeMemoryAccess::Intrinsic::~Intrinsic() = default;
std::string DecomposeMemoryAccess::Intrinsic::InternalName() const {
@ -804,7 +804,7 @@ bool DecomposeMemoryAccess::Intrinsic::IsAtomic() const {
return op != Op::kLoad && op != Op::kStore;
}
const ast::IdentifierExpression* DecomposeMemoryAccess::Intrinsic::Buffer() const {
const IdentifierExpression* DecomposeMemoryAccess::Intrinsic::Buffer() const {
return dependencies[0];
}
@ -832,7 +832,7 @@ Transform::ApplyResult DecomposeMemoryAccess::Apply(const Program* src,
// nodes are fully immutable and require their children to be constructed
// first so their pointer can be passed to the parent's initializer.
for (auto* node : src->ASTNodes().Objects()) {
if (auto* ident = node->As<ast::IdentifierExpression>()) {
if (auto* ident = node->As<IdentifierExpression>()) {
// X
if (auto* sem_ident = sem.GetVal(ident)) {
if (auto* user = sem_ident->UnwrapLoad()->As<sem::VariableUser>()) {
@ -852,7 +852,7 @@ Transform::ApplyResult DecomposeMemoryAccess::Apply(const Program* src,
continue;
}
if (auto* accessor = node->As<ast::MemberAccessorExpression>()) {
if (auto* accessor = node->As<MemberAccessorExpression>()) {
// X.Y
auto* accessor_sem = sem.Get(accessor)->UnwrapLoad();
if (auto* swizzle = accessor_sem->As<sem::Swizzle>()) {
@ -882,7 +882,7 @@ Transform::ApplyResult DecomposeMemoryAccess::Apply(const Program* src,
continue;
}
if (auto* accessor = node->As<ast::IndexAccessorExpression>()) {
if (auto* accessor = node->As<IndexAccessorExpression>()) {
if (auto access = state.TakeAccess(accessor->object)) {
// X[Y]
if (auto* arr = access.type->As<type::Array>()) {
@ -915,8 +915,8 @@ Transform::ApplyResult DecomposeMemoryAccess::Apply(const Program* src,
}
}
if (auto* op = node->As<ast::UnaryOpExpression>()) {
if (op->op == ast::UnaryOp::kAddressOf) {
if (auto* op = node->As<UnaryOpExpression>()) {
if (op->op == UnaryOp::kAddressOf) {
// &X
if (auto access = state.TakeAccess(op->expr)) {
// HLSL does not support pointers, so just take the access from the
@ -927,7 +927,7 @@ Transform::ApplyResult DecomposeMemoryAccess::Apply(const Program* src,
}
}
if (auto* assign = node->As<ast::AssignmentStatement>()) {
if (auto* assign = node->As<AssignmentStatement>()) {
// X = Y
// Move the LHS access to a store.
if (auto lhs = state.TakeAccess(assign->lhs)) {
@ -935,7 +935,7 @@ Transform::ApplyResult DecomposeMemoryAccess::Apply(const Program* src,
}
}
if (auto* call_expr = node->As<ast::CallExpression>()) {
if (auto* call_expr = node->As<CallExpression>()) {
auto* call = sem.Get(call_expr)->UnwrapMaterialize()->As<sem::Call>();
if (auto* builtin = call->Target()->As<sem::Builtin>()) {
if (builtin->Type() == builtin::Function::kArrayLength) {
@ -953,7 +953,7 @@ Transform::ApplyResult DecomposeMemoryAccess::Apply(const Program* src,
auto buffer = ctx.Clone(access.var->Declaration()->name->symbol);
Symbol func = state.AtomicFunc(el_ty, builtin, buffer);
utils::Vector<const ast::Expression*, 8> args{offset};
utils::Vector<const Expression*, 8> args{offset};
for (size_t i = 1; i < call_expr->args.Length(); i++) {
auto* arg = call_expr->args[i];
args.Push(ctx.Clone(arg));

8
src/tint/ast/transform/decompose_memory_access.h
View File

@ -35,7 +35,7 @@ class DecomposeMemoryAccess final : public utils::Castable<DecomposeMemoryAccess
/// transforms this into calls to
/// `[RW]ByteAddressBuffer.Load[N]()` or `[RW]ByteAddressBuffer.Store[N]()`,
/// with a possible cast.
class Intrinsic final : public utils::Castable<Intrinsic, ast::InternalAttribute> {
class Intrinsic final : public utils::Castable<Intrinsic, InternalAttribute> {
public:
/// Intrinsic op
enum class Op {
@ -82,11 +82,11 @@ class DecomposeMemoryAccess final : public utils::Castable<DecomposeMemoryAccess
/// @param address_space the address space of the buffer
/// @param buffer the storage or uniform buffer identifier
Intrinsic(ProgramID pid,
ast::NodeID nid,
NodeID nid,
Op o,
DataType type,
builtin::AddressSpace address_space,
const ast::IdentifierExpression* buffer);
const IdentifierExpression* buffer);
/// Destructor
~Intrinsic() override;
@ -103,7 +103,7 @@ class DecomposeMemoryAccess final : public utils::Castable<DecomposeMemoryAccess
bool IsAtomic() const;
/// @return the buffer that this intrinsic operates on
const ast::IdentifierExpression* Buffer() const;
const IdentifierExpression* Buffer() const;
/// The op of the intrinsic
const Op op;

26
src/tint/ast/transform/decompose_strided_array.cc
View File

@ -37,8 +37,8 @@ using DecomposedArrays = std::unordered_map<const type::Array*, Symbol>;
bool ShouldRun(const Program* program) {
for (auto* node : program->ASTNodes().Objects()) {
if (auto* ident = node->As<ast::TemplatedIdentifier>()) {
if (ast::GetAttribute<ast::StrideAttribute>(ident->attributes)) {
if (auto* ident = node->As<TemplatedIdentifier>()) {
if (GetAttribute<StrideAttribute>(ident->attributes)) {
return true;
}
}
@ -74,8 +74,8 @@ Transform::ApplyResult DecomposeStridedArray::Apply(const Program* src,
// stride for the array element type, then replace the array element type with
// a structure, holding a single field with a @size attribute equal to the
// array stride.
ctx.ReplaceAll([&](const ast::IdentifierExpression* expr) -> const ast::IdentifierExpression* {
auto* ident = expr->identifier->As<ast::TemplatedIdentifier>();
ctx.ReplaceAll([&](const IdentifierExpression* expr) -> const IdentifierExpression* {
auto* ident = expr->identifier->As<TemplatedIdentifier>();
if (!ident) {
return nullptr;
}
@ -90,8 +90,8 @@ Transform::ApplyResult DecomposeStridedArray::Apply(const Program* src,
if (!arr->IsStrideImplicit()) {
auto el_ty = utils::GetOrCreate(decomposed, arr, [&] {
auto name = b.Symbols().New("strided_arr");
auto* member_ty = ctx.Clone(ident->arguments[0]->As<ast::IdentifierExpression>());
auto* member = b.Member(kMemberName, ast::Type{member_ty},
auto* member_ty = ctx.Clone(ident->arguments[0]->As<IdentifierExpression>());
auto* member = b.Member(kMemberName, Type{member_ty},
utils::Vector{
b.MemberSize(AInt(arr->Stride())),
});
@ -105,14 +105,14 @@ Transform::ApplyResult DecomposeStridedArray::Apply(const Program* src,
return b.Expr(b.ty.array(b.ty(el_ty)));
}
}
if (ast::GetAttribute<ast::StrideAttribute>(ident->attributes)) {
if (GetAttribute<StrideAttribute>(ident->attributes)) {
// Strip the @stride attribute
auto* ty = ctx.Clone(ident->arguments[0]->As<ast::IdentifierExpression>());
auto* ty = ctx.Clone(ident->arguments[0]->As<IdentifierExpression>());
if (ident->arguments.Length() > 1) {
auto* count = ctx.Clone(ident->arguments[1]);
return b.Expr(b.ty.array(ast::Type{ty}, count));
return b.Expr(b.ty.array(Type{ty}, count));
} else {
return b.Expr(b.ty.array(ast::Type{ty}));
return b.Expr(b.ty.array(Type{ty}));
}
}
return nullptr;
@ -122,7 +122,7 @@ Transform::ApplyResult DecomposeStridedArray::Apply(const Program* src,
// element changed to a single field structure. These expressions are adjusted
// to insert an additional member accessor for the single structure field.
// Example: `arr[i]` -> `arr[i].el`
ctx.ReplaceAll([&](const ast::IndexAccessorExpression* idx) -> const ast::Expression* {
ctx.ReplaceAll([&](const IndexAccessorExpression* idx) -> const Expression* {
if (auto* ty = src->TypeOf(idx->object)) {
if (auto* arr = ty->UnwrapRef()->As<type::Array>()) {
if (!arr->IsStrideImplicit()) {
@ -140,7 +140,7 @@ Transform::ApplyResult DecomposeStridedArray::Apply(const Program* src,
// `@stride(32) array<i32, 3>(1, 2, 3)`
// ->
// `array<strided_arr, 3>(strided_arr(1), strided_arr(2), strided_arr(3))`
ctx.ReplaceAll([&](const ast::CallExpression* expr) -> const ast::Expression* {
ctx.ReplaceAll([&](const CallExpression* expr) -> const Expression* {
if (!expr->args.IsEmpty()) {
if (auto* call = sem.Get(expr)->UnwrapMaterialize()->As<sem::Call>()) {
if (auto* ctor = call->Target()->As<sem::ValueConstructor>()) {
@ -153,7 +153,7 @@ Transform::ApplyResult DecomposeStridedArray::Apply(const Program* src,
auto* target = ctx.Clone(expr->target);
utils::Vector<const ast::Expression*, 8> args;
utils::Vector<const Expression*, 8> args;
if (auto it = decomposed.find(arr); it != decomposed.end()) {
args.Reserve(expr->args.Length());
for (auto* arg : expr->args) {

22
src/tint/ast/transform/decompose_strided_array_test.cc
View File

@ -101,7 +101,7 @@ TEST_F(DecomposeStridedArrayTest, PrivateDefaultStridedArray) {
b.Decl(b.Let("b", b.ty.f32(), b.IndexAccessor("arr", 1_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -145,7 +145,7 @@ TEST_F(DecomposeStridedArrayTest, PrivateStridedArray) {
b.Decl(b.Let("b", b.ty.f32(), b.IndexAccessor("arr", 1_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -195,7 +195,7 @@ TEST_F(DecomposeStridedArrayTest, ReadUniformStridedArray) {
b.Decl(b.Let("b", b.ty.f32(), b.IndexAccessor(b.MemberAccessor("s", "a"), 1_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -253,7 +253,7 @@ TEST_F(DecomposeStridedArrayTest, ReadUniformDefaultStridedArray) {
b.IndexAccessor(b.IndexAccessor(b.MemberAccessor("s", "a"), 1_i), 2_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -303,7 +303,7 @@ TEST_F(DecomposeStridedArrayTest, ReadStorageStridedArray) {
b.Decl(b.Let("b", b.ty.f32(), b.IndexAccessor(b.MemberAccessor("s", "a"), 1_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -357,7 +357,7 @@ TEST_F(DecomposeStridedArrayTest, ReadStorageDefaultStridedArray) {
b.Decl(b.Let("b", b.ty.f32(), b.IndexAccessor(b.MemberAccessor("s", "a"), 1_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -410,7 +410,7 @@ TEST_F(DecomposeStridedArrayTest, WriteStorageStridedArray) {
b.Assign(b.IndexAccessor(b.MemberAccessor("s", "a"), 1_i), 5_f),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -472,7 +472,7 @@ TEST_F(DecomposeStridedArrayTest, WriteStorageDefaultStridedArray) {
b.Assign(b.IndexAccessor(b.MemberAccessor("s", "a"), 1_i), 5_f),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -531,7 +531,7 @@ TEST_F(DecomposeStridedArrayTest, ReadWriteViaPointerLets) {
b.Assign(b.IndexAccessor(b.Deref("b"), 1_i), 5_f),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -593,7 +593,7 @@ TEST_F(DecomposeStridedArrayTest, PrivateAliasedStridedArray) {
b.Assign(b.IndexAccessor(b.MemberAccessor("s", "a"), 1_i), 5_f),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -696,7 +696,7 @@ TEST_F(DecomposeStridedArrayTest, PrivateNestedStridedArray) {
5_f),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});

18
src/tint/ast/transform/decompose_strided_matrix.cc
View File

@ -38,7 +38,7 @@ struct MatrixInfo {
const type::Matrix* matrix = nullptr;
/// @returns the identifier of an array that holds an vector column for each row of the matrix.
ast::Type array(ProgramBuilder* b) const {
Type array(ProgramBuilder* b) const {
return b->ty.array(b->ty.vec<f32>(matrix->rows()), u32(matrix->columns()),
utils::Vector{
b->Stride(stride),
@ -72,7 +72,7 @@ Transform::ApplyResult DecomposeStridedMatrix::Apply(const Program* src,
// and populate the `decomposed` map with the members that have been replaced.
utils::Hashmap<const type::StructMember*, MatrixInfo, 8> decomposed;
for (auto* node : src->ASTNodes().Objects()) {
if (auto* str = node->As<ast::Struct>()) {
if (auto* str = node->As<Struct>()) {
auto* str_ty = src->Sem().Get(str);
if (!str_ty->UsedAs(builtin::AddressSpace::kUniform) &&
!str_ty->UsedAs(builtin::AddressSpace::kStorage)) {
@ -83,8 +83,7 @@ Transform::ApplyResult DecomposeStridedMatrix::Apply(const Program* src,
if (!matrix) {
continue;
}
auto* attr =
ast::GetAttribute<ast::StrideAttribute>(member->Declaration()->attributes);
auto* attr = GetAttribute<StrideAttribute>(member->Declaration()->attributes);
if (!attr) {
continue;
}
@ -111,8 +110,7 @@ Transform::ApplyResult DecomposeStridedMatrix::Apply(const Program* src,
// preserve these without calling conversion functions.
// Example:
// ssbo.mat[2] -> ssbo.mat[2]
ctx.ReplaceAll(
[&](const ast::IndexAccessorExpression* expr) -> const ast::IndexAccessorExpression* {
ctx.ReplaceAll([&](const IndexAccessorExpression* expr) -> const IndexAccessorExpression* {
if (auto* access = src->Sem().Get<sem::StructMemberAccess>(expr->object)) {
if (decomposed.Contains(access->Member())) {
auto* obj = ctx.CloneWithoutTransform(expr->object);
@ -129,7 +127,7 @@ Transform::ApplyResult DecomposeStridedMatrix::Apply(const Program* src,
// Example:
// ssbo.mat = mat_to_arr(m)
std::unordered_map<MatrixInfo, Symbol, MatrixInfo::Hasher> mat_to_arr;
ctx.ReplaceAll([&](const ast::AssignmentStatement* stmt) -> const ast::Statement* {
ctx.ReplaceAll([&](const AssignmentStatement* stmt) -> const Statement* {
if (auto* access = src->Sem().Get<sem::StructMemberAccess>(stmt->lhs)) {
if (auto info = decomposed.Find(access->Member())) {
auto fn = utils::GetOrCreate(mat_to_arr, *info, [&] {
@ -142,7 +140,7 @@ Transform::ApplyResult DecomposeStridedMatrix::Apply(const Program* src,
auto array = [&] { return info->array(ctx.dst); };
auto mat = b.Sym("m");
utils::Vector<const ast::Expression*, 4> columns;
utils::Vector<const Expression*, 4> columns;
for (uint32_t i = 0; i < static_cast<uint32_t>(info->matrix->columns()); i++) {
columns.Push(b.IndexAccessor(mat, u32(i)));
}
@ -168,7 +166,7 @@ Transform::ApplyResult DecomposeStridedMatrix::Apply(const Program* src,
// matrix type. Example:
// m = arr_to_mat(ssbo.mat)
std::unordered_map<MatrixInfo, Symbol, MatrixInfo::Hasher> arr_to_mat;
ctx.ReplaceAll([&](const ast::MemberAccessorExpression* expr) -> const ast::Expression* {
ctx.ReplaceAll([&](const MemberAccessorExpression* expr) -> const Expression* {
if (auto* access = src->Sem().Get(expr)->UnwrapLoad()->As<sem::StructMemberAccess>()) {
if (auto info = decomposed.Find(access->Member())) {
auto fn = utils::GetOrCreate(arr_to_mat, *info, [&] {
@ -181,7 +179,7 @@ Transform::ApplyResult DecomposeStridedMatrix::Apply(const Program* src,
auto array = [&] { return info->array(ctx.dst); };
auto arr = b.Sym("arr");
utils::Vector<const ast::Expression*, 4> columns;
utils::Vector<const Expression*, 4> columns;
for (uint32_t i = 0; i < static_cast<uint32_t>(info->matrix->columns()); i++) {
columns.Push(b.IndexAccessor(arr, u32(i)));
}

100
src/tint/ast/transform/decompose_strided_matrix_test.cc
View File

@ -67,13 +67,13 @@ TEST_F(DecomposeStridedMatrixTest, ReadUniformMatrix) {
// let x : mat2x2<f32> = s.m;
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(16_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kUniform, b.Group(0_a), b.Binding(0_a));
@ -82,7 +82,7 @@ TEST_F(DecomposeStridedMatrixTest, ReadUniformMatrix) {
b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -124,13 +124,13 @@ TEST_F(DecomposeStridedMatrixTest, ReadUniformColumn) {
// let x : vec2<f32> = s.m[1];
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(16_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kUniform, b.Group(0_a), b.Binding(0_a));
@ -140,7 +140,7 @@ TEST_F(DecomposeStridedMatrixTest, ReadUniformColumn) {
b.Decl(b.Let("x", b.ty.vec2<f32>(), b.IndexAccessor(b.MemberAccessor("s", "m"), 1_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -178,13 +178,13 @@ TEST_F(DecomposeStridedMatrixTest, ReadUniformMatrix_DefaultStride) {
// let x : mat2x2<f32> = s.m;
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(16_u),
b.create<ast::StrideAttribute>(8u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(8u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kUniform, b.Group(0_a), b.Binding(0_a));
@ -193,7 +193,7 @@ TEST_F(DecomposeStridedMatrixTest, ReadUniformMatrix_DefaultStride) {
b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -232,13 +232,13 @@ TEST_F(DecomposeStridedMatrixTest, ReadStorageMatrix) {
// let x : mat2x2<f32> = s.m;
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(8_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kStorage, builtin::Access::kReadWrite,
@ -248,7 +248,7 @@ TEST_F(DecomposeStridedMatrixTest, ReadStorageMatrix) {
b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -290,13 +290,13 @@ TEST_F(DecomposeStridedMatrixTest, ReadStorageColumn) {
// let x : vec2<f32> = s.m[1];
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(16_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kStorage, builtin::Access::kReadWrite,
@ -307,7 +307,7 @@ TEST_F(DecomposeStridedMatrixTest, ReadStorageColumn) {
b.Decl(b.Let("x", b.ty.vec2<f32>(), b.IndexAccessor(b.MemberAccessor("s", "m"), 1_i))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -345,13 +345,13 @@ TEST_F(DecomposeStridedMatrixTest, WriteStorageMatrix) {
// s.m = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0));
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(8_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kStorage, builtin::Access::kReadWrite,
@ -362,7 +362,7 @@ TEST_F(DecomposeStridedMatrixTest, WriteStorageMatrix) {
b.mat2x2<f32>(b.vec2<f32>(1_f, 2_f), b.vec2<f32>(3_f, 4_f))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -404,13 +404,13 @@ TEST_F(DecomposeStridedMatrixTest, WriteStorageColumn) {
// s.m[1] = vec2<f32>(1.0, 2.0);
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(8_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kStorage, builtin::Access::kReadWrite,
@ -420,7 +420,7 @@ TEST_F(DecomposeStridedMatrixTest, WriteStorageColumn) {
b.Assign(b.IndexAccessor(b.MemberAccessor("s", "m"), 1_i), b.vec2<f32>(1_f, 2_f)),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -464,13 +464,13 @@ TEST_F(DecomposeStridedMatrixTest, ReadWriteViaPointerLets) {
// (*b)[1] = vec2<f32>(5.0, 6.0);
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(8_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kStorage, builtin::Access::kReadWrite,
@ -486,7 +486,7 @@ TEST_F(DecomposeStridedMatrixTest, ReadWriteViaPointerLets) {
b.Assign(b.IndexAccessor(b.Deref("b"), 1_i), b.vec2<f32>(5_f, 6_f)),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -536,13 +536,13 @@ TEST_F(DecomposeStridedMatrixTest, ReadPrivateMatrix) {
// let x : mat2x2<f32> = s.m;
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(8_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kPrivate);
@ -551,7 +551,7 @@ TEST_F(DecomposeStridedMatrixTest, ReadPrivateMatrix) {
b.Decl(b.Let("x", b.ty.mat2x2<f32>(), b.MemberAccessor("s", "m"))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});
@ -590,13 +590,13 @@ TEST_F(DecomposeStridedMatrixTest, WritePrivateMatrix) {
// s.m = mat2x2<f32>(vec2<f32>(1.0, 2.0), vec2<f32>(3.0, 4.0));
// }
ProgramBuilder b;
auto* S = b.Structure(
"S", utils::Vector{
auto* S =
b.Structure("S", utils::Vector{
b.Member("m", b.ty.mat2x2<f32>(),
utils::Vector{
b.MemberOffset(8_u),
b.create<ast::StrideAttribute>(32u),
b.Disable(ast::DisabledValidation::kIgnoreStrideAttribute),
b.create<StrideAttribute>(32u),
b.Disable(DisabledValidation::kIgnoreStrideAttribute),
}),
});
b.GlobalVar("s", b.ty.Of(S), builtin::AddressSpace::kPrivate);
@ -606,7 +606,7 @@ TEST_F(DecomposeStridedMatrixTest, WritePrivateMatrix) {
b.mat2x2<f32>(b.vec2<f32>(1_f, 2_f), b.vec2<f32>(3_f, 4_f))),
},
utils::Vector{
b.Stage(ast::PipelineStage::kCompute),
b.Stage(PipelineStage::kCompute),
b.WorkgroupSize(1_i),
});

19
src/tint/ast/transform/demote_to_helper.cc
View File

@ -85,9 +85,8 @@ Transform::ApplyResult DemoteToHelper::Apply(const Program* src, const DataMap&,
b.GlobalVar(flag, builtin::AddressSpace::kPrivate, b.Expr(false));
// Replace all discard statements with a statement that marks the invocation as discarded.
ctx.ReplaceAll([&](const ast::DiscardStatement*) -> const ast::Statement* {
return b.Assign(flag, b.Expr(true));
});
ctx.ReplaceAll(
[&](const DiscardStatement*) -> const Statement* { return b.Assign(flag, b.Expr(true)); });
// Insert a conditional discard at the end of each entry point that does not end with a return.
for (auto* func : functions_to_process) {
@ -111,7 +110,7 @@ Transform::ApplyResult DemoteToHelper::Apply(const Program* src, const DataMap&,
node,
// Mask assignments to storage buffer variables.
[&](const ast::AssignmentStatement* assign) {
[&](const AssignmentStatement* assign) {
// Skip writes in functions that are not called from shaders that discard.
auto* func = sem.Get(assign)->Function();
if (functions_to_process.count(func) == 0) {
@ -119,7 +118,7 @@ Transform::ApplyResult DemoteToHelper::Apply(const Program* src, const DataMap&,
}
// Skip phony assignments.
if (assign->lhs->Is<ast::PhonyExpression>()) {
if (assign->lhs->Is<PhonyExpression>()) {
return;
}
@ -144,7 +143,7 @@ Transform::ApplyResult DemoteToHelper::Apply(const Program* src, const DataMap&,
},
// Mask builtins that write to host-visible memory.
[&](const ast::CallExpression* call) {
[&](const CallExpression* call) {
auto* sem_call = sem.Get<sem::Call>(call);
auto* stmt = sem_call ? sem_call->Stmt() : nullptr;
auto* func = stmt ? stmt->Function() : nullptr;
@ -161,7 +160,7 @@ Transform::ApplyResult DemoteToHelper::Apply(const Program* src, const DataMap&,
} else if (builtin->IsAtomic() &&
builtin->Type() != builtin::Function::kAtomicLoad) {
// A call to an atomic builtin can be a statement or an expression.
if (auto* call_stmt = stmt->Declaration()->As<ast::CallStatement>();
if (auto* call_stmt = stmt->Declaration()->As<CallStatement>();
call_stmt && call_stmt->expr == call) {
// This call is a statement.
// Wrap it inside a conditional block.
@ -178,8 +177,8 @@ Transform::ApplyResult DemoteToHelper::Apply(const Program* src, const DataMap&,
// }
// let y = x + tmp;
auto result = b.Sym();
ast::Type result_ty;
const ast::Statement* masked_call = nullptr;
Type result_ty;
const Statement* masked_call = nullptr;
if (builtin->Type() == builtin::Function::kAtomicCompareExchangeWeak) {
// Special case for atomicCompareExchangeWeak as we cannot name its
// result type. We have to declare an equivalent struct and copy the
@ -232,7 +231,7 @@ Transform::ApplyResult DemoteToHelper::Apply(const Program* src, const DataMap&,
},
// Insert a conditional discard before all return statements in entry points.
[&](const ast::ReturnStatement* ret) {
[&](const ReturnStatement* ret) {
auto* func = sem.Get(ret)->Function();
if (func->Declaration()->IsEntryPoint() && functions_to_process.count(func)) {
auto* discard = b.If(flag, b.Block(b.Discard()));

40
src/tint/ast/transform/direct_variable_access.cc
View File

@ -450,19 +450,19 @@ struct DirectVariableAccess::State {
Switch(
variable->Declaration(),
[&](const ast::Var*) {
[&](const Var*) {
if (variable->AddressSpace() != builtin::AddressSpace::kHandle) {
// Start a new access chain for the non-handle 'var' access
create_new_chain();
}
},
[&](const ast::Parameter*) {
[&](const Parameter*) {
if (variable->Type()->Is<type::Pointer>()) {
// Start a new access chain for the pointer parameter access
create_new_chain();
}
},
[&](const ast::Let*) {
[&](const Let*) {
if (variable->Type()->Is<type::Pointer>()) {
// variable is a pointer-let.
auto* init = sem.GetVal(variable->Declaration()->initializer);
@ -494,11 +494,10 @@ struct DirectVariableAccess::State {
}
},
[&](const sem::ValueExpression* e) {
if (auto* unary = e->Declaration()->As<ast::UnaryOpExpression>()) {
if (auto* unary = e->Declaration()->As<UnaryOpExpression>()) {
// Unary op.
// If this is a '&' or '*', simply move the chain to the unary op expression.
if (unary->op == ast::UnaryOp::kAddressOf ||
unary->op == ast::UnaryOp::kIndirection) {
if (unary->op == UnaryOp::kAddressOf || unary->op == UnaryOp::kIndirection) {
take_chain(sem.GetVal(unary->expr));
}
}
@ -529,7 +528,7 @@ struct DirectVariableAccess::State {
if (auto* idx_variable_user = idx->UnwrapMaterialize()->As<sem::VariableUser>()) {
auto* idx_variable = idx_variable_user->Variable();
if (idx_variable->Declaration()->IsAnyOf<ast::Let, ast::Parameter>()) {
if (idx_variable->Declaration()->IsAnyOf<Let, Parameter>()) {
// Dynamic index is an immutable variable
continue; // Hoisting not required.
}
@ -557,7 +556,7 @@ struct DirectVariableAccess::State {
/// * Casts the resulting expression to a u32 if @p cast_to_u32 is true, and the expression type
/// isn't implicitly usable as a u32. This is to help feed the expression into a
/// `array<u32, N>` argument passed to a callee variant function.
const ast::Expression* BuildDynamicIndex(const sem::ValueExpression* idx, bool cast_to_u32) {
const Expression* BuildDynamicIndex(const sem::ValueExpression* idx, bool cast_to_u32) {
if (auto* val = idx->ConstantValue()) {
// Expression evaluated to a constant value. Just emit that constant.
return b.Expr(val->ValueAs<AInt>());
@ -808,7 +807,7 @@ struct DirectVariableAccess::State {
// many variant functions, keep a record of the last created variant, and explicitly add
// this to the module if it isn't the last. We'll return the last created variant,
// taking the place of the original function.
const ast::Function* pending_variant = nullptr;
const Function* pending_variant = nullptr;
// For each variant of fn...
for (auto variant_it : fn_info->SortedVariants()) {
@ -827,7 +826,7 @@ struct DirectVariableAccess::State {
// Pointer parameters in the 'uniform', 'storage' or 'workgroup' address space are
// either replaced with an array of dynamic indices, or are dropped (if there are no
// dynamic indices).
utils::Vector<const ast::Parameter*, 8> params;
utils::Vector<const Parameter*, 8> params;
for (auto* param : fn->Parameters()) {
if (auto incoming_shape = variant_sig.Find(param)) {
auto& symbols = *variant.ptr_param_symbols.Find(param);
@ -856,7 +855,7 @@ struct DirectVariableAccess::State {
auto attrs = ctx.Clone(fn->Declaration()->attributes);
auto ret_attrs = ctx.Clone(fn->Declaration()->return_type_attributes);
pending_variant =
b.create<ast::Function>(b.Ident(variant.name), std::move(params), ret_ty, body,
b.create<Function>(b.Ident(variant.name), std::move(params), ret_ty, body,
std::move(attrs), std::move(ret_attrs));
}
@ -877,7 +876,7 @@ struct DirectVariableAccess::State {
}
// Build the new call expressions's arguments.
utils::Vector<const ast::Expression*, 8> new_args;
utils::Vector<const Expression*, 8> new_args;
for (size_t arg_idx = 0; arg_idx < call->Arguments().Length(); arg_idx++) {
auto* arg = call->Arguments()[arg_idx];
auto* param = call->Target()->Parameters()[arg_idx];
@ -915,7 +914,7 @@ struct DirectVariableAccess::State {
// Get or create the dynamic indices array.
if (auto dyn_idx_arr_ty = DynamicIndexArrayType(full_indices)) {
// Build an array of dynamic indices to pass as the replacement for the pointer.
utils::Vector<const ast::Expression*, 8> dyn_idx_args;
utils::Vector<const Expression*, 8> dyn_idx_args;
if (auto* root_param = chain->root.variable->As<sem::Parameter>()) {
// Access chain originates from a pointer parameter.
if (auto incoming_chain =
@ -985,7 +984,7 @@ struct DirectVariableAccess::State {
/// let.
void TransformAccessChainExpressions() {
// Register a custom handler for all non-function call expressions
ctx.ReplaceAll([this](const ast::Expression* ast_expr) -> const ast::Expression* {
ctx.ReplaceAll([this](const Expression* ast_expr) -> const Expression* {
if (!clone_state->current_variant) {
// Expression does not belong to a function variant.
return nullptr; // Just clone the expression.
@ -1065,7 +1064,7 @@ struct DirectVariableAccess::State {
/// @returns the type alias used to hold the dynamic indices for @p shape, declaring a new alias
/// if this is the first call for the given shape.
ast::Type DynamicIndexArrayType(const AccessShape& shape) {
Type DynamicIndexArrayType(const AccessShape& shape) {
auto name = dynamic_index_array_aliases.GetOrCreate(shape, [&] {
// Count the number of dynamic indices
uint32_t num_dyn_indices = shape.NumDynamicIndices();
@ -1076,7 +1075,7 @@ struct DirectVariableAccess::State {
b.Alias(symbol, b.ty.array(b.ty.u32(), u32(num_dyn_indices)));
return symbol;
});
return name.IsValid() ? b.ty(name) : ast::Type{};
return name.IsValid() ? b.ty(name) : Type{};
}
/// @returns a name describing the given shape
@ -1113,7 +1112,7 @@ struct DirectVariableAccess::State {
/// Builds an expresion to the root of an access, returning the new expression.
/// @param root the AccessRoot
/// @param deref if true, the returned expression will always be a reference type.
const ast::Expression* BuildAccessRootExpr(const AccessRoot& root, bool deref) {
const Expression* BuildAccessRootExpr(const AccessRoot& root, bool deref) {
if (auto* param = root.variable->As<sem::Parameter>()) {
if (auto symbols = clone_state->current_variant->ptr_param_symbols.Find(param)) {
if (deref) {
@ -1123,7 +1122,7 @@ struct DirectVariableAccess::State {
}
}
const ast::Expression* expr = b.Expr(ctx.Clone(root.variable->Declaration()->name->symbol));
const Expression* expr = b.Expr(ctx.Clone(root.variable->Declaration()->name->symbol));
if (deref) {
if (root.variable->Type()->Is<type::Pointer>()) {
expr = b.Deref(expr);
@ -1137,10 +1136,9 @@ struct DirectVariableAccess::State {
/// @param expr the input expression
/// @param access the access to perform on the current expression
/// @param dynamic_index a function that obtains the i'th dynamic index
const ast::Expression* BuildAccessExpr(
const ast::Expression* expr,
const Expression* BuildAccessExpr(const Expression* expr,
const AccessOp& access,
std::function<const ast::Expression*(size_t)> dynamic_index) {
std::function<const Expression*(size_t)> dynamic_index) {
if (auto* dyn_idx = std::get_if<DynamicIndex>(&access)) {
/// The access uses a dynamic (runtime-expression) index.
auto* idx = dynamic_index(dyn_idx->slot);

31
src/tint/ast/transform/expand_compound_assignment.cc
View File

@ -35,7 +35,7 @@ namespace {
bool ShouldRun(const Program* program) {
for (auto* node : program->ASTNodes().Objects()) {
if (node->IsAnyOf<ast::CompoundAssignmentStatement, ast::IncrementDecrementStatement>()) {
if (node->IsAnyOf<CompoundAssignmentStatement, IncrementDecrementStatement>()) {
return true;
}
}
@ -58,17 +58,14 @@ struct ExpandCompoundAssignment::State {
/// @param lhs the lhs expression from the source statement
/// @param rhs the rhs expression in the destination module
/// @param op the binary operator
void Expand(const ast::Statement* stmt,
const ast::Expression* lhs,
const ast::Expression* rhs,
ast::BinaryOp op) {
void Expand(const Statement* stmt, const Expression* lhs, const Expression* rhs, BinaryOp op) {
// Helper function to create the new LHS expression. This will be called
// twice when building the non-compound assignment statement, so must
// not produce expressions that cause side effects.
std::function<const ast::Expression*()> new_lhs;
std::function<const Expression*()> new_lhs;
// Helper function to create a variable that is a pointer to `expr`.
auto hoist_pointer_to = [&](const ast::Expression* expr) {
auto hoist_pointer_to = [&](const Expression* expr) {
auto name = b.Sym();
auto* ptr = b.AddressOf(ctx.Clone(expr));
auto* decl = b.Decl(b.Let(name, ptr));
@ -77,7 +74,7 @@ struct ExpandCompoundAssignment::State {
};
// Helper function to hoist `expr` to a let declaration.
auto hoist_expr_to_let = [&](const ast::Expression* expr) {
auto hoist_expr_to_let = [&](const Expression* expr) {
auto name = b.Sym();
auto* decl = b.Decl(b.Let(name, ctx.Clone(expr)));
hoist_to_decl_before.InsertBefore(ctx.src->Sem().Get(stmt), decl);
@ -85,7 +82,7 @@ struct ExpandCompoundAssignment::State {
};
// Helper function that returns `true` if the type of `expr` is a vector.
auto is_vec = [&](const ast::Expression* expr) {
auto is_vec = [&](const Expression* expr) {
if (auto* val_expr = ctx.src->Sem().GetVal(expr)) {
return val_expr->Type()->UnwrapRef()->Is<type::Vector>();
}
@ -96,10 +93,10 @@ struct ExpandCompoundAssignment::State {
// LHS that we can evaluate twice.
// We need to special case compound assignments to vector components since
// we cannot take the address of a vector component.
auto* index_accessor = lhs->As<ast::IndexAccessorExpression>();
auto* member_accessor = lhs->As<ast::MemberAccessorExpression>();
if (lhs->Is<ast::IdentifierExpression>() ||
(member_accessor && member_accessor->object->Is<ast::IdentifierExpression>())) {
auto* index_accessor = lhs->As<IndexAccessorExpression>();
auto* member_accessor = lhs->As<MemberAccessorExpression>();
if (lhs->Is<IdentifierExpression>() ||
(member_accessor && member_accessor->object->Is<IdentifierExpression>())) {
// This is the simple case with no side effects, so we can just use the
// original LHS expression directly.
// Before:
@ -144,7 +141,7 @@ struct ExpandCompoundAssignment::State {
}
// Replace the statement with a regular assignment statement.
auto* value = b.create<ast::BinaryExpression>(op, new_lhs(), rhs);
auto* value = b.create<BinaryExpression>(op, new_lhs(), rhs);
ctx.Replace(stmt, b.Assign(new_lhs(), value));
}
@ -174,11 +171,11 @@ Transform::ApplyResult ExpandCompoundAssignment::Apply(const Program* src,
CloneContext ctx{&b, src, /* auto_clone_symbols */ true};
State state(ctx);
for (auto* node : src->ASTNodes().Objects()) {
if (auto* assign = node->As<ast::CompoundAssignmentStatement>()) {
if (auto* assign = node->As<CompoundAssignmentStatement>()) {
state.Expand(assign, assign->lhs, ctx.Clone(assign->rhs), assign->op);
} else if (auto* inc_dec = node->As<ast::IncrementDecrementStatement>()) {
} else if (auto* inc_dec = node->As<IncrementDecrementStatement>()) {
// For increment/decrement statements, `i++` becomes `i = i + 1`.
auto op = inc_dec->increment ? ast::BinaryOp::kAdd : ast::BinaryOp::kSubtract;
auto op = inc_dec->increment ? BinaryOp::kAdd : BinaryOp::kSubtract;
state.Expand(inc_dec, inc_dec->lhs, ctx.dst->Expr(1_a), op);
}
}

14
src/tint/ast/transform/first_index_offset.cc
View File

@ -38,7 +38,7 @@ constexpr char kFirstInstanceName[] = "first_instance_index";
bool ShouldRun(const Program* program) {
for (auto* fn : program->AST().Functions()) {
if (fn->PipelineStage() == ast::PipelineStage::kVertex) {
if (fn->PipelineStage() == PipelineStage::kVertex) {
return true;
}
}
@ -86,9 +86,9 @@ Transform::ApplyResult FirstIndexOffset::Apply(const Program* src,
// Traverse the AST scanning for builtin accesses via variables (includes
// parameters) or structure member accesses.
for (auto* node : ctx.src->ASTNodes().Objects()) {
if (auto* var = node->As<ast::Variable>()) {
if (auto* var = node->As<Variable>()) {
for (auto* attr : var->attributes) {
if (auto* builtin_attr = attr->As<ast::BuiltinAttribute>()) {
if (auto* builtin_attr = attr->As<BuiltinAttribute>()) {
builtin::BuiltinValue builtin = src->Sem().Get(builtin_attr)->Value();
if (builtin == builtin::BuiltinValue::kVertexIndex) {
auto* sem_var = ctx.src->Sem().Get(var);
@ -103,9 +103,9 @@ Transform::ApplyResult FirstIndexOffset::Apply(const Program* src,
}
}
}
if (auto* member = node->As<ast::StructMember>()) {
if (auto* member = node->As<StructMember>()) {
for (auto* attr : member->attributes) {
if (auto* builtin_attr = attr->As<ast::BuiltinAttribute>()) {
if (auto* builtin_attr = attr->As<BuiltinAttribute>()) {
builtin::BuiltinValue builtin = src->Sem().Get(builtin_attr)->Value();
if (builtin == builtin::BuiltinValue::kVertexIndex) {
auto* sem_mem = ctx.src->Sem().Get(member);
@ -124,7 +124,7 @@ Transform::ApplyResult FirstIndexOffset::Apply(const Program* src,
if (has_vertex_or_instance_index) {
// Add uniform buffer members and calculate byte offsets
utils::Vector<const ast::StructMember*, 8> members;
utils::Vector<const StructMember*, 8> members;
members.Push(b.Member(kFirstVertexName, b.ty.u32()));
members.Push(b.Member(kFirstInstanceName, b.ty.u32()));
auto* struct_ = b.Structure(b.Sym(), std::move(members));
@ -138,7 +138,7 @@ Transform::ApplyResult FirstIndexOffset::Apply(const Program* src,
});
// Fix up all references to the builtins with the offsets
ctx.ReplaceAll([=, &ctx](const ast::Expression* expr) -> const ast::Expression* {
ctx.ReplaceAll([=, &ctx](const Expression* expr) -> const Expression* {
if (auto* sem = ctx.src->Sem().GetVal(expr)) {
if (auto* user = sem->UnwrapLoad()->As<sem::VariableUser>()) {
auto it = builtin_vars.find(user->Variable());

8
src/tint/ast/transform/for_loop_to_loop.cc
View File

@ -26,7 +26,7 @@ namespace {
bool ShouldRun(const Program* program) {
for (auto* node : program->ASTNodes().Objects()) {
if (node->Is<ast::ForLoopStatement>()) {
if (node->Is<ForLoopStatement>()) {
return true;
}
}
@ -47,8 +47,8 @@ Transform::ApplyResult ForLoopToLoop::Apply(const Program* src, const DataMap&,
ProgramBuilder b;
CloneContext ctx{&b, src, /* auto_clone_symbols */ true};
ctx.ReplaceAll([&](const ast::ForLoopStatement* for_loop) -> const ast::Statement* {
utils::Vector<const ast::Statement*, 8> stmts;
ctx.ReplaceAll([&](const ForLoopStatement* for_loop) -> const Statement* {
utils::Vector<const Statement*, 8> stmts;
if (auto* cond = for_loop->condition) {
// !condition
auto* not_cond = b.Not(ctx.Clone(cond));
@ -63,7 +63,7 @@ Transform::ApplyResult ForLoopToLoop::Apply(const Program* src, const DataMap&,
stmts.Push(ctx.Clone(stmt));
}
const ast::BlockStatement* continuing = nullptr;
const BlockStatement* continuing = nullptr;
if (auto* cont = for_loop->continuing) {
continuing = b.Block(ctx.Clone(cont));
}

28
src/tint/ast/transform/localize_struct_array_assignment.cc
View File

@ -43,14 +43,14 @@ struct LocalizeStructArrayAssignment::State {
ApplyResult Run() {
struct Shared {
bool process_nested_nodes = false;
utils::Vector<const ast::Statement*, 4> insert_before_stmts;
utils::Vector<const ast::Statement*, 4> insert_after_stmts;
utils::Vector<const Statement*, 4> insert_before_stmts;
utils::Vector<const Statement*, 4> insert_after_stmts;
} s;
bool made_changes = false;
for (auto* node : ctx.src->ASTNodes().Objects()) {
if (auto* assign_stmt = node->As<ast::AssignmentStatement>()) {
if (auto* assign_stmt = node->As<AssignmentStatement>()) {
// Process if it's an assignment statement to a dynamically indexed array
// within a struct on a function or private storage variable. This
// specific use-case is what FXC fails to compile with:
@ -70,7 +70,7 @@ struct LocalizeStructArrayAssignment::State {
// Reset shared state for this assignment statement
s = Shared{};
const ast::Expression* new_lhs = nullptr;
const Expression* new_lhs = nullptr;
{
TINT_SCOPED_ASSIGNMENT(s.process_nested_nodes, true);
new_lhs = ctx.Clone(assign_stmt->lhs);
@ -98,14 +98,13 @@ struct LocalizeStructArrayAssignment::State {
return SkipTransform;
}
ctx.ReplaceAll(
[&](const ast::IndexAccessorExpression* index_access) -> const ast::Expression* {
ctx.ReplaceAll([&](const IndexAccessorExpression* index_access) -> const Expression* {
if (!s.process_nested_nodes) {
return nullptr;
}
// Indexing a member access expr?
auto* mem_access = index_access->object->As<ast::MemberAccessorExpression>();
auto* mem_access = index_access->object->As<MemberAccessorExpression>();
if (!mem_access) {
return nullptr;
}
@ -136,7 +135,7 @@ struct LocalizeStructArrayAssignment::State {
// e.g. *(tint_symbol) = tint_symbol_1;
auto* assign_rhs_to_temp = b.Assign(b.Deref(mem_access_ptr), tmp_var);
{
utils::Vector<const ast::Statement*, 8> stmts{assign_rhs_to_temp};
utils::Vector<const Statement*, 8> stmts{assign_rhs_to_temp};
for (auto* stmt : s.insert_after_stmts) {
stmts.Push(stmt);
}
@ -160,23 +159,22 @@ struct LocalizeStructArrayAssignment::State {
/// Returns true if `expr` contains an index accessor expression to a
/// structure member of array type.
bool ContainsStructArrayIndex(const ast::Expression* expr) {
bool ContainsStructArrayIndex(const Expression* expr) {
bool result = false;
ast::TraverseExpressions(
expr, b.Diagnostics(), [&](const ast::IndexAccessorExpression* ia) {
TraverseExpressions(expr, b.Diagnostics(), [&](const IndexAccessorExpression* ia) {
// Indexing using a runtime value?
auto* idx_sem = src->Sem().GetVal(ia->index);
if (!idx_sem->ConstantValue()) {
// Indexing a member access expr?
if (auto* ma = ia->object->As<ast::MemberAccessorExpression>()) {
if (auto* ma = ia->object->As<MemberAccessorExpression>()) {
// That accesses an array?
if (src->TypeOf(ma)->UnwrapRef()->Is<type::Array>()) {
result = true;
return ast::TraverseAction::Stop;
return TraverseAction::Stop;
}
}
}
return ast::TraverseAction::Descend;
return TraverseAction::Descend;
});
return result;
@ -186,7 +184,7 @@ struct LocalizeStructArrayAssignment::State {
// of the assignment statement.
// See https://www.w3.org/TR/WGSL/#originating-variable-section
std::pair<const type::Type*, builtin::AddressSpace> GetOriginatingTypeAndAddressSpace(
const ast::AssignmentStatement* assign_stmt) {
const AssignmentStatement* assign_stmt) {
auto* root_ident = src->Sem().GetVal(assign_stmt->lhs)->RootIdentifier();
if (TINT_UNLIKELY(!root_ident)) {
TINT_ICE(Transform, b.Diagnostics())

39
src/tint/ast/transform/merge_return.cc
View File

@ -30,12 +30,12 @@ namespace tint::ast::transform {
namespace {
/// Returns `true` if `stmt` has the behavior `behavior`.
bool HasBehavior(const Program* program, const ast::Statement* stmt, sem::Behavior behavior) {
bool HasBehavior(const Program* program, const Statement* stmt, sem::Behavior behavior) {
return program->Sem().Get(stmt)->Behaviors().Contains(behavior);
}
/// Returns `true` if `func` needs to be transformed.
bool NeedsTransform(const Program* program, const ast::Function* func) {
bool NeedsTransform(const Program* program, const Function* func) {
// Entry points and intrinsic declarations never need transforming.
if (func->IsEntryPoint() || func->body == nullptr) {
return false;
@ -49,7 +49,7 @@ bool NeedsTransform(const Program* program, const ast::Function* func) {
if (HasBehavior(program, s, sem::Behavior::kReturn)) {
// If this statement is itself a return, it will be the only exit point,
// so no need to apply the transform to the function.
if (s->Is<ast::ReturnStatement>()) {
if (s->Is<ReturnStatement>()) {
return false;
} else {
// Apply the transform in all other cases.
@ -78,7 +78,7 @@ class State {
ProgramBuilder& b;
/// The function.
const ast::Function* function;
const Function* function;
/// The symbol for the return flag variable.
Symbol flag;
@ -92,32 +92,32 @@ class State {
public:
/// Constructor
/// @param context the clone context
State(CloneContext& context, const ast::Function* func)
State(CloneContext& context, const Function* func)
: ctx(context), b(*ctx.dst), function(func) {}
/// Process a statement (recursively).
void ProcessStatement(const ast::Statement* stmt) {
void ProcessStatement(const Statement* stmt) {
if (stmt == nullptr || !HasBehavior(ctx.src, stmt, sem::Behavior::kReturn)) {
return;
}
Switch(
stmt, [&](const ast::BlockStatement* block) { ProcessBlock(block); },
[&](const ast::CaseStatement* c) { ProcessStatement(c->body); },
[&](const ast::ForLoopStatement* f) {
stmt, [&](const BlockStatement* block) { ProcessBlock(block); },
[&](const CaseStatement* c) { ProcessStatement(c->body); },
[&](const ForLoopStatement* f) {
TINT_SCOPED_ASSIGNMENT(is_in_loop_or_switch, true);
ProcessStatement(f->body);
},
[&](const ast::IfStatement* i) {
[&](const IfStatement* i) {
ProcessStatement(i->body);
ProcessStatement(i->else_statement);
},
[&](const ast::LoopStatement* l) {
[&](const LoopStatement* l) {
TINT_SCOPED_ASSIGNMENT(is_in_loop_or_switch, true);
ProcessStatement(l->body);
},
[&](const ast::ReturnStatement* r) {
utils::Vector<const ast::Statement*, 3> stmts;
[&](const ReturnStatement* r) {
utils::Vector<const Statement*, 3> stmts;
// Set the return flag to signal that we have hit a return.
stmts.Push(b.Assign(b.Expr(flag), true));
if (r->value) {
@ -130,25 +130,25 @@ class State {
}
ctx.Replace(r, b.Block(std::move(stmts)));
},
[&](const ast::SwitchStatement* s) {
[&](const SwitchStatement* s) {
TINT_SCOPED_ASSIGNMENT(is_in_loop_or_switch, true);
for (auto* c : s->body) {
ProcessStatement(c);
}
},
[&](const ast::WhileStatement* w) {
[&](const WhileStatement* w) {
TINT_SCOPED_ASSIGNMENT(is_in_loop_or_switch, true);
ProcessStatement(w->body);
},
[&](Default) { TINT_ICE(Transform, b.Diagnostics()) << "unhandled statement type"; });
}
void ProcessBlock(const ast::BlockStatement* block) {
void ProcessBlock(const BlockStatement* block) {
// We will rebuild the contents of the block statement.
// We may introduce conditionals around statements that follow a statement with the
// `Return` behavior, so build a stack of statement lists that represent the new
// (potentially nested) conditional blocks.
utils::Vector<utils::Vector<const ast::Statement*, 8>, 8> new_stmts({{}});
utils::Vector<utils::Vector<const Statement*, 8>, 8> new_stmts({{}});
// Insert variables for the return flag and return value at the top of the function.
if (block == function->body) {
@ -173,8 +173,7 @@ class State {
if (is_in_loop_or_switch) {
// We're in a loop/switch, and so we would have inserted a `break`.
// If we've just come out of a loop/switch statement, we need to `break` again.
if (s->IsAnyOf<ast::LoopStatement, ast::ForLoopStatement,
ast::SwitchStatement>()) {
if (s->IsAnyOf<LoopStatement, ForLoopStatement, SwitchStatement>()) {
// If the loop only has the 'Return' behavior, we can just unconditionally
// break. Otherwise check the return flag.
if (HasBehavior(ctx.src, s, sem::Behavior::kNext)) {
@ -194,7 +193,7 @@ class State {
// Descend the stack of new block statements, wrapping them in conditionals.
while (new_stmts.Length() > 1) {
const ast::IfStatement* i = nullptr;
const IfStatement* i = nullptr;
if (new_stmts.Back().Length() > 0) {
i = b.If(b.Not(b.Expr(flag)), b.Block(new_stmts.Back()));
}

72
src/tint/ast/transform/module_scope_var_to_entry_point_param.cc
View File

@ -33,14 +33,14 @@ TINT_INSTANTIATE_TYPEINFO(tint::ast::transform::ModuleScopeVarToEntryPointParam)
namespace tint::ast::transform {
namespace {
using StructMemberList = utils::Vector<const ast::StructMember*, 8>;
using StructMemberList = utils::Vector<const StructMember*, 8>;
// The name of the struct member for arrays that are wrapped in structures.
const char* kWrappedArrayMemberName = "arr";
bool ShouldRun(const Program* program) {
for (auto* decl : program->AST().GlobalDeclarations()) {
if (decl->Is<ast::Variable>()) {
if (decl->Is<Variable>()) {
return true;
}
}
@ -110,7 +110,7 @@ struct ModuleScopeVarToEntryPointParam::State {
/// @param workgroup_parameter_members reference to a list of a workgroup struct members
/// @param is_pointer output signalling whether the replacement is a pointer
/// @param is_wrapped output signalling whether the replacement is wrapped in a struct
void ProcessVariableInEntryPoint(const ast::Function* func,
void ProcessVariableInEntryPoint(const Function* func,
const sem::Variable* var,
Symbol new_var_symbol,
std::function<Symbol()> workgroup_param,
@ -128,7 +128,7 @@ struct ModuleScopeVarToEntryPointParam::State {
// For a texture or sampler variable, redeclare it as an entry point parameter.
// Disable entry point parameter validation.
auto* disable_validation =
ctx.dst->Disable(ast::DisabledValidation::kEntryPointParameter);
ctx.dst->Disable(DisabledValidation::kEntryPointParameter);
auto attrs = ctx.Clone(var->Declaration()->attributes);
attrs.Push(disable_validation);
auto* param = ctx.dst->Param(new_var_symbol, store_type(), attrs);
@ -141,8 +141,8 @@ struct ModuleScopeVarToEntryPointParam::State {
// Variables into the Storage and Uniform address spaces are redeclared as entry
// point parameters with a pointer type.
auto attributes = ctx.Clone(var->Declaration()->attributes);
attributes.Push(ctx.dst->Disable(ast::DisabledValidation::kEntryPointParameter));
attributes.Push(ctx.dst->Disable(ast::DisabledValidation::kIgnoreAddressSpace));
attributes.Push(ctx.dst->Disable(DisabledValidation::kEntryPointParameter));
attributes.Push(ctx.dst->Disable(DisabledValidation::kIgnoreAddressSpace));
auto param_type = store_type();
if (auto* arr = ty->As<type::Array>();
@ -190,7 +190,7 @@ struct ModuleScopeVarToEntryPointParam::State {
is_pointer = true;
} else {
auto* disable_validation =
ctx.dst->Disable(ast::DisabledValidation::kIgnoreAddressSpace);
ctx.dst->Disable(DisabledValidation::kIgnoreAddressSpace);
auto* initializer = ctx.Clone(var->Declaration()->initializer);
auto* local_var = ctx.dst->Var(new_var_symbol, store_type(), sc, initializer,
utils::Vector{disable_validation});
@ -218,7 +218,7 @@ struct ModuleScopeVarToEntryPointParam::State {
/// @param var the variable
/// @param new_var_symbol the symbol to use for the replacement
/// @param is_pointer output signalling whether the replacement is a pointer or not
void ProcessVariableInUserFunction(const ast::Function* func,
void ProcessVariableInUserFunction(const Function* func,
const sem::Variable* var,
Symbol new_var_symbol,
bool& is_pointer) {
@ -247,7 +247,7 @@ struct ModuleScopeVarToEntryPointParam::State {
}
// Use a pointer for non-handle types.
utils::Vector<const ast::Attribute*, 2> attributes;
utils::Vector<const Attribute*, 2> attributes;
if (!ty->is_handle()) {
param_type = sc == builtin::AddressSpace::kStorage
? ctx.dst->ty.pointer(param_type, sc, var->Access())
@ -255,9 +255,8 @@ struct ModuleScopeVarToEntryPointParam::State {
is_pointer = true;
// Disable validation of the parameter's address space and of arguments passed to it.
attributes.Push(ctx.dst->Disable(ast::DisabledValidation::kIgnoreAddressSpace));
attributes.Push(
ctx.dst->Disable(ast::DisabledValidation::kIgnoreInvalidPointerArgument));
attributes.Push(ctx.dst->Disable(DisabledValidation::kIgnoreAddressSpace));
attributes.Push(ctx.dst->Disable(DisabledValidation::kIgnoreInvalidPointerArgument));
}
// Redeclare the variable as a parameter.
@ -271,18 +270,18 @@ struct ModuleScopeVarToEntryPointParam::State {
/// @param new_var the symbol to use for replacement
/// @param is_pointer true if `new_var` is a pointer to the new variable
/// @param member_name if valid, the name of the struct member that holds this variable
void ReplaceUsesInFunction(const ast::Function* func,
void ReplaceUsesInFunction(const Function* func,
const sem::Variable* var,
Symbol new_var,
bool is_pointer,
Symbol member_name) {
for (auto* user : var->Users()) {
if (user->Stmt()->Function()->Declaration() == func) {
const ast::Expression* expr = ctx.dst->Expr(new_var);
const Expression* expr = ctx.dst->Expr(new_var);
if (is_pointer) {
// If this identifier is used by an address-of operator, just remove the
// address-of instead of adding a deref, since we already have a pointer.
auto* ident = user->Declaration()->As<ast::IdentifierExpression>();
auto* ident = user->Declaration()->As<IdentifierExpression>();
if (ident_to_address_of_.count(ident) && !member_name.IsValid()) {
ctx.Replace(ident_to_address_of_[ident], expr);
continue;
@ -302,19 +301,19 @@ struct ModuleScopeVarToEntryPointParam::State {
/// Process the module.
void Process() {
// Predetermine the list of function calls that need to be replaced.
using CallList = utils::Vector<const ast::CallExpression*, 8>;
std::unordered_map<const ast::Function*, CallList> calls_to_replace;
using CallList = utils::Vector<const CallExpression*, 8>;
std::unordered_map<const Function*, CallList> calls_to_replace;
utils::Vector<const ast::Function*, 8> functions_to_process;
utils::Vector<const Function*, 8> functions_to_process;
// Collect private variables into a single structure.
StructMemberList private_struct_members;
utils::Vector<std::function<const ast::AssignmentStatement*()>, 4> private_initializers;
std::unordered_set<const ast::Function*> uses_privates;
utils::Vector<std::function<const AssignmentStatement*()>, 4> private_initializers;
std::unordered_set<const Function*> uses_privates;
// Build a list of functions that transitively reference any module-scope variables.
for (auto* decl : ctx.src->Sem().Module()->DependencyOrderedDeclarations()) {
if (auto* var = decl->As<ast::Var>()) {
if (auto* var = decl->As<Var>()) {
auto* sem_var = ctx.src->Sem().Get(var);
if (sem_var->AddressSpace() == builtin::AddressSpace::kPrivate) {
// Create a member in the private variable struct.
@ -335,7 +334,7 @@ struct ModuleScopeVarToEntryPointParam::State {
continue;
}
auto* func_ast = decl->As<ast::Function>();
auto* func_ast = decl->As<Function>();
if (!func_ast) {
continue;
}
@ -376,11 +375,11 @@ struct ModuleScopeVarToEntryPointParam::State {
// TODO(jrprice): We should add support for bidirectional SEM tree traversal so that we can
// do this on the fly instead.
for (auto* node : ctx.src->ASTNodes().Objects()) {
auto* address_of = node->As<ast::UnaryOpExpression>();
if (!address_of || address_of->op != ast::UnaryOp::kAddressOf) {
auto* address_of = node->As<UnaryOpExpression>();
if (!address_of || address_of->op != UnaryOp::kAddressOf) {
continue;
}
if (auto* ident = address_of->expr->As<ast::IdentifierExpression>()) {
if (auto* ident = address_of->expr->As<IdentifierExpression>()) {
ident_to_address_of_[ident] = address_of;
}
}
@ -414,11 +413,11 @@ struct ModuleScopeVarToEntryPointParam::State {
if (uses_privates.count(func_ast)) {
if (is_entry_point) {
// Create a local declaration for the private variable struct.
auto* var = ctx.dst->Var(
PrivateStructVariableName(), ctx.dst->ty(PrivateStructName()),
auto* var =
ctx.dst->Var(PrivateStructVariableName(), ctx.dst->ty(PrivateStructName()),
builtin::AddressSpace::kPrivate,
utils::Vector{
ctx.dst->Disable(ast::DisabledValidation::kIgnoreAddressSpace),
ctx.dst->Disable(DisabledValidation::kIgnoreAddressSpace),
});
ctx.InsertFront(func_ast->body->statements, ctx.dst->Decl(var));
@ -482,7 +481,7 @@ struct ModuleScopeVarToEntryPointParam::State {
// Allow pointer aliasing if needed.
if (needs_pointer_aliasing) {
ctx.InsertBack(func_ast->attributes,
ctx.dst->Disable(ast::DisabledValidation::kIgnorePointerAliasing));
ctx.dst->Disable(DisabledValidation::kIgnorePointerAliasing));
}
if (!workgroup_parameter_members.IsEmpty()) {
@ -492,11 +491,11 @@ struct ModuleScopeVarToEntryPointParam::State {
ctx.dst->Structure(ctx.dst->Sym(), std::move(workgroup_parameter_members));
auto param_type =
ctx.dst->ty.pointer(ctx.dst->ty.Of(str), builtin::AddressSpace::kWorkgroup);
auto* param = ctx.dst->Param(
workgroup_param(), param_type,
auto* param =
ctx.dst->Param(workgroup_param(), param_type,
utils::Vector{
ctx.dst->Disable(ast::DisabledValidation::kEntryPointParameter),
ctx.dst->Disable(ast::DisabledValidation::kIgnoreAddressSpace),
ctx.dst->Disable(DisabledValidation::kEntryPointParameter),
ctx.dst->Disable(DisabledValidation::kIgnoreAddressSpace),
});
ctx.InsertFront(func_ast->params, param);
}
@ -508,7 +507,7 @@ struct ModuleScopeVarToEntryPointParam::State {
// Pass the private variable struct pointer if needed.
if (uses_privates.count(target_sem->Declaration())) {
const ast::Expression* arg = ctx.dst->Expr(PrivateStructVariableName());
const Expression* arg = ctx.dst->Expr(PrivateStructVariableName());
if (is_entry_point) {
arg = ctx.dst->AddressOf(arg);
}
@ -531,7 +530,7 @@ struct ModuleScopeVarToEntryPointParam::State {
auto new_var = it->second;
bool is_handle = target_var->Type()->UnwrapRef()->is_handle();
const ast::Expression* arg = ctx.dst->Expr(new_var.symbol);
const Expression* arg = ctx.dst->Expr(new_var.symbol);
if (new_var.is_wrapped) {
// The variable is wrapped in a struct, so we need to pass a pointer to the
// struct member instead.
@ -577,8 +576,7 @@ struct ModuleScopeVarToEntryPointParam::State {
std::unordered_set<const sem::Struct*> cloned_structs_;
// Map from identifier expression to the address-of expression that uses it.
std::unordered_map<const ast::IdentifierExpression*, const ast::UnaryOpExpression*>
ident_to_address_of_;
std::unordered_map<const IdentifierExpression*, const UnaryOpExpression*> ident_to_address_of_;
// The name of the structure that contains all the module-scope private variables.
Symbol private_struct_name;

20
src/tint/ast/transform/multiplanar_external_texture.cc
View File

@ -143,7 +143,7 @@ struct MultiplanarExternalTexture::State {
// Replace the original texture_external binding with a texture_2d<f32> binding.
auto cloned_attributes = ctx.Clone(global->attributes);
const ast::Expression* cloned_initializer = ctx.Clone(global->initializer);
const Expression* cloned_initializer = ctx.Clone(global->initializer);
auto* replacement =
b.Var(syms.plane_0, b.ty.sampled_texture(type::TextureDimension::k2d, b.ty.f32()),
@ -153,7 +153,7 @@ struct MultiplanarExternalTexture::State {
// We must update all the texture_external parameters for user declared functions.
for (auto* fn : ctx.src->AST().Functions()) {
for (const ast::Variable* param : fn->params) {
for (const Variable* param : fn->params) {
if (auto* sem_var = sem.Get(param)) {
if (!sem_var->Type()->UnwrapRef()->Is<type::ExternalTexture>()) {
continue;
@ -184,7 +184,7 @@ struct MultiplanarExternalTexture::State {
// Transform the external texture builtin calls into calls to the external texture
// functions.
ctx.ReplaceAll([&](const ast::CallExpression* expr) -> const ast::CallExpression* {
ctx.ReplaceAll([&](const CallExpression* expr) -> const CallExpression* {
auto* call = sem.Get(expr)->UnwrapMaterialize()->As<sem::Call>();
auto* builtin = call->Target()->As<sem::Builtin>();
@ -305,10 +305,10 @@ struct MultiplanarExternalTexture::State {
/// @param call_type determines which function body to generate
/// @returns a statement list that makes of the body of the chosen function
auto buildTextureBuiltinBody(builtin::Function call_type) {
utils::Vector<const ast::Statement*, 16> stmts;
const ast::CallExpression* single_plane_call = nullptr;
const ast::CallExpression* plane_0_call = nullptr;
const ast::CallExpression* plane_1_call = nullptr;
utils::Vector<const Statement*, 16> stmts;
const CallExpression* single_plane_call = nullptr;
const CallExpression* plane_0_call = nullptr;
const CallExpression* plane_1_call = nullptr;
switch (call_type) {
case builtin::Function::kTextureSampleBaseClampToEdge:
stmts.Push(b.Decl(b.Let(
@ -395,9 +395,9 @@ struct MultiplanarExternalTexture::State {
/// @param expr the call expression being transformed
/// @param syms the expanded symbols to be used in the new call
/// @returns a call expression to textureSampleExternal
const ast::CallExpression* createTextureSampleBaseClampToEdge(const ast::CallExpression* expr,
const CallExpression* createTextureSampleBaseClampToEdge(const CallExpression* expr,
NewBindingSymbols syms) {
const ast::Expression* plane_0_binding_param = ctx.Clone(expr->args[0]);
const Expression* plane_0_binding_param = ctx.Clone(expr->args[0]);
if (TINT_UNLIKELY(expr->args.Length() != 3)) {
TINT_ICE(Transform, b.Diagnostics())
@ -443,7 +443,7 @@ struct MultiplanarExternalTexture::State {
/// @param call the call expression being transformed
/// @param syms the expanded symbols to be used in the new call
/// @returns a call expression to textureLoadExternal
const ast::CallExpression* createTextureLoad(const sem::Call* call, NewBindingSymbols syms) {
const CallExpression* createTextureLoad(const sem::Call* call, NewBindingSymbols syms) {
if (TINT_UNLIKELY(call->Arguments().Length() != 2)) {
TINT_ICE(Transform, b.Diagnostics())
<< "expected textureLoad call with a texture_external to have 2 arguments, found "

10
src/tint/ast/transform/num_workgroups_from_uniform.cc
View File

@ -33,7 +33,7 @@ namespace {
bool ShouldRun(const Program* program) {
for (auto* node : program->ASTNodes().Objects()) {
if (auto* attr = node->As<ast::BuiltinAttribute>()) {
if (auto* attr = node->As<BuiltinAttribute>()) {
if (program->Sem().Get(attr)->Value() == builtin::BuiltinValue::kNumWorkgroups) {
return true;
}
@ -86,7 +86,7 @@ Transform::ApplyResult NumWorkgroupsFromUniform::Apply(const Program* src,
std::unordered_set<Accessor, Accessor::Hasher> to_replace;
for (auto* func : src->AST().Functions()) {
// num_workgroups is only valid for compute stages.
if (func->PipelineStage() != ast::PipelineStage::kCompute) {
if (func->PipelineStage() != PipelineStage::kCompute) {
continue;
}
@ -126,7 +126,7 @@ Transform::ApplyResult NumWorkgroupsFromUniform::Apply(const Program* src,
// Get (or create, on first call) the uniform buffer that will receive the
// number of workgroups.
const ast::Variable* num_workgroups_ubo = nullptr;
const Variable* num_workgroups_ubo = nullptr;
auto get_ubo = [&]() {
if (!num_workgroups_ubo) {
auto* num_workgroups_struct =
@ -166,11 +166,11 @@ Transform::ApplyResult NumWorkgroupsFromUniform::Apply(const Program* src,
// Now replace all the places where the builtins are accessed with the value
// loaded from the uniform buffer.
for (auto* node : src->ASTNodes().Objects()) {
auto* accessor = node->As<ast::MemberAccessorExpression>();
auto* accessor = node->As<MemberAccessorExpression>();
if (!accessor) {
continue;
}
auto* ident = accessor->object->As<ast::IdentifierExpression>();
auto* ident = accessor->object->As<IdentifierExpression>();
if (!ident) {
continue;
}

54
src/tint/ast/transform/packed_vec3.cc
View File

@ -94,7 +94,7 @@ struct PackedVec3::State {
/// Create a `__packed_vec3` type with the same element type as `ty`.
/// @param ty a three-element vector type
/// @returns the new AST type
ast::Type MakePackedVec3(const type::Type* ty) {
Type MakePackedVec3(const type::Type* ty) {
auto* vec = ty->As<type::Vector>();
TINT_ASSERT(Transform, vec != nullptr && vec->Width() == 3);
return b.ty(builtin::Builtin::kPackedVec3, CreateASTTypeFor(ctx, vec->type()));
@ -109,10 +109,10 @@ struct PackedVec3::State {
/// @param ty the type to rewrite
/// @param array_element `true` if this is being called for the element of an array
/// @returns the new AST type, or nullptr if rewriting was not necessary
ast::Type RewriteType(const type::Type* ty, bool array_element = false) {
Type RewriteType(const type::Type* ty, bool array_element = false) {
return Switch(
ty,
[&](const type::Vector* vec) -> ast::Type {
[&](const type::Vector* vec) -> Type {
if (IsVec3(vec)) {
if (array_element) {
// Create a struct with a single `__packed_vec3` member.
@ -134,7 +134,7 @@ struct PackedVec3::State {
}
return {};
},
[&](const type::Matrix* mat) -> ast::Type {
[&](const type::Matrix* mat) -> Type {
// Rewrite the matrix as an array of columns that use the aligned wrapper struct.
auto new_col_type = RewriteType(mat->ColumnType(), /* array_element */ true);
if (new_col_type) {
@ -142,11 +142,11 @@ struct PackedVec3::State {
}
return {};
},
[&](const type::Array* arr) -> ast::Type {
[&](const type::Array* arr) -> Type {
// Rewrite the array with the modified element type.
auto new_type = RewriteType(arr->ElemType(), /* array_element */ true);
if (new_type) {
utils::Vector<const ast::Attribute*, 1> attrs;
utils::Vector<const Attribute*, 1> attrs;
if (arr->Count()->Is<type::RuntimeArrayCount>()) {
return b.ty.array(new_type, std::move(attrs));
} else if (auto count = arr->ConstantCount()) {
@ -159,21 +159,21 @@ struct PackedVec3::State {
}
return {};
},
[&](const type::Struct* str) -> ast::Type {
[&](const type::Struct* str) -> Type {
if (ContainsVec3(str)) {
auto name = rewritten_structs.GetOrCreate(str, [&]() {
utils::Vector<const ast::StructMember*, 4> members;
utils::Vector<const StructMember*, 4> members;
for (auto* member : str->Members()) {
// If the member type contains a vec3, rewrite it.
auto new_type = RewriteType(member->Type());
if (new_type) {
// Copy the member attributes.
bool needs_align = true;
utils::Vector<const ast::Attribute*, 4> attributes;
utils::Vector<const Attribute*, 4> attributes;
if (auto* sem_mem = member->As<sem::StructMember>()) {
for (auto* attr : sem_mem->Declaration()->attributes) {
if (attr->IsAnyOf<ast::StructMemberAlignAttribute,
ast::StructMemberOffsetAttribute>()) {
if (attr->IsAnyOf<StructMemberAlignAttribute,
StructMemberOffsetAttribute>()) {
needs_align = false;
}
attributes.Push(ctx.Clone(attr));
@ -219,12 +219,12 @@ struct PackedVec3::State {
Symbol MakePackUnpackHelper(
const char* name_prefix,
const type::Type* ty,
const std::function<const ast::Expression*(const ast::Expression*, const type::Type*)>&
const std::function<const Expression*(const Expression*, const type::Type*)>&
pack_or_unpack_element,
const std::function<ast::Type()>& in_type,
const std::function<ast::Type()>& out_type) {
const std::function<Type()>& in_type,
const std::function<Type()>& out_type) {
// Allocate a variable to hold the return value of the function.
utils::Vector<const ast::Statement*, 4> statements;
utils::Vector<const Statement*, 4> statements;
statements.Push(b.Decl(b.Var("result", out_type())));
// Helper that generates a loop to copy and pack/unpack elements of an array to the result:
@ -256,7 +256,7 @@ struct PackedVec3::State {
[&](const type::Struct* str) {
// Copy the struct members over one at a time, packing/unpacking as necessary.
for (auto* member : str->Members()) {
const ast::Expression* element =
const Expression* element =
b.MemberAccessor("in", b.Ident(ctx.Clone(member->Name())));
if (ContainsVec3(member->Type())) {
element = pack_or_unpack_element(element, member->Type());
@ -280,16 +280,16 @@ struct PackedVec3::State {
/// @param expr the composite value expression to unpack
/// @param ty the unpacked type
/// @returns an expression that holds the unpacked value
const ast::Expression* UnpackComposite(const ast::Expression* expr, const type::Type* ty) {
const Expression* UnpackComposite(const Expression* expr, const type::Type* ty) {
auto helper = unpack_helpers.GetOrCreate(ty, [&]() {
return MakePackUnpackHelper(
"tint_unpack_vec3_in_composite", ty,
[&](const ast::Expression* element,
const type::Type* element_type) -> const ast::Expression* {
[&](const Expression* element,
const type::Type* element_type) -> const Expression* {
if (element_type->Is<type::Vector>()) {
// Unpack a `__packed_vec3` by casting it to a regular vec3.
// If it is an array element, extract the vector from the wrapper struct.
if (element->Is<ast::IndexAccessorExpression>()) {
if (element->Is<IndexAccessorExpression>()) {
element = b.MemberAccessor(element, kStructMemberName);
}
return b.Call(CreateASTTypeFor(ctx, element_type), element);
@ -308,17 +308,17 @@ struct PackedVec3::State {
/// @param expr the composite value expression to pack
/// @param ty the unpacked type
/// @returns an expression that holds the packed value
const ast::Expression* PackComposite(const ast::Expression* expr, const type::Type* ty) {
const Expression* PackComposite(const Expression* expr, const type::Type* ty) {
auto helper = pack_helpers.GetOrCreate(ty, [&]() {
return MakePackUnpackHelper(
"tint_pack_vec3_in_composite", ty,
[&](const ast::Expression* element,
const type::Type* element_type) -> const ast::Expression* {
[&](const Expression* element,
const type::Type* element_type) -> const Expression* {
if (element_type->Is<type::Vector>()) {
// Pack a vector element by casting it to a packed_vec3.
// If it is an array element, construct a wrapper struct.
auto* packed = b.Call(MakePackedVec3(element_type), element);
if (element->Is<ast::IndexAccessorExpression>()) {
if (element->Is<IndexAccessorExpression>()) {
packed = b.Call(RewriteType(element_type, true), packed);
}
return packed;
@ -400,7 +400,7 @@ struct PackedVec3::State {
},
[&](const sem::Statement* stmt) {
// Pack the RHS of assignment statements that are writing to packed types.
if (auto* assign = stmt->Declaration()->As<ast::AssignmentStatement>()) {
if (auto* assign = stmt->Declaration()->As<AssignmentStatement>()) {
auto* lhs = sem.GetVal(assign->lhs);
auto* rhs = sem.GetVal(assign->rhs);
if (!ContainsVec3(rhs->Type()) ||
@ -463,7 +463,7 @@ struct PackedVec3::State {
for (auto* expr : to_unpack_sorted) {
TINT_ASSERT(Transform, ContainsVec3(expr->Type()));
auto* packed = ctx.Clone(expr->Declaration());
const ast::Expression* unpacked = nullptr;
const Expression* unpacked = nullptr;
if (IsVec3(expr->Type())) {
if (expr->UnwrapLoad()->Is<sem::IndexAccessorExpression>()) {
// If we are unpacking a vec3 from an array element, extract the vector from the
@ -484,7 +484,7 @@ struct PackedVec3::State {
for (auto* expr : to_pack_sorted) {
TINT_ASSERT(Transform, ContainsVec3(expr->Type()));
auto* unpacked = ctx.Clone(expr->Declaration());
const ast::Expression* packed = nullptr;
const Expression* packed = nullptr;
if (IsVec3(expr->Type())) {
// Cast the regular vec3 to a packed vector type.
packed = b.Call(MakePackedVec3(expr->Type()), unpacked);

23
src/tint/ast/transform/pad_structs.cc
View File

@ -33,8 +33,8 @@ namespace tint::ast::transform {
namespace {
void CreatePadding(utils::Vector<const ast::StructMember*, 8>* new_members,
utils::Hashset<const ast::StructMember*, 8>* padding_members,
void CreatePadding(utils::Vector<const StructMember*, 8>* new_members,
utils::Hashset<const StructMember*, 8>* padding_members,
ProgramBuilder* b,
uint32_t bytes) {
const size_t count = bytes / 4u;
@ -59,17 +59,17 @@ Transform::ApplyResult PadStructs::Apply(const Program* src, const DataMap&, Dat
CloneContext ctx{&b, src, /* auto_clone_symbols */ true};
auto& sem = src->Sem();
std::unordered_map<const ast::Struct*, const ast::Struct*> replaced_structs;
utils::Hashset<const ast::StructMember*, 8> padding_members;
std::unordered_map<const Struct*, const Struct*> replaced_structs;
utils::Hashset<const StructMember*, 8> padding_members;
ctx.ReplaceAll([&](const ast::Struct* ast_str) -> const ast::Struct* {
ctx.ReplaceAll([&](const Struct* ast_str) -> const Struct* {
auto* str = sem.Get(ast_str);
if (!str || !str->IsHostShareable()) {
return nullptr;
}
uint32_t offset = 0;
bool has_runtime_sized_array = false;
utils::Vector<const ast::StructMember*, 8> new_members;
utils::Vector<const StructMember*, 8> new_members;
for (auto* mem : str->Members()) {
auto name = mem->Name().Name();
@ -104,19 +104,18 @@ Transform::ApplyResult PadStructs::Apply(const Program* src, const DataMap&, Dat
CreatePadding(&new_members, &padding_members, ctx.dst, struct_size - offset);
}
utils::Vector<const ast::Attribute*, 1> struct_attribs;
utils::Vector<const Attribute*, 1> struct_attribs;
if (!padding_members.IsEmpty()) {
struct_attribs =
utils::Vector{b.Disable(ast::DisabledValidation::kIgnoreStructMemberLimit)};
struct_attribs = utils::Vector{b.Disable(DisabledValidation::kIgnoreStructMemberLimit)};
}
auto* new_struct = b.create<ast::Struct>(ctx.Clone(ast_str->name), std::move(new_members),
auto* new_struct = b.create<Struct>(ctx.Clone(ast_str->name), std::move(new_members),
std::move(struct_attribs));
replaced_structs[ast_str] = new_struct;
return new_struct;
});
ctx.ReplaceAll([&](const ast::CallExpression* ast_call) -> const ast::CallExpression* {
ctx.ReplaceAll([&](const CallExpression* ast_call) -> const CallExpression* {
if (ast_call->args.Length() == 0) {
return nullptr;
}
@ -139,7 +138,7 @@ Transform::ApplyResult PadStructs::Apply(const Program* src, const DataMap&, Dat
return nullptr;
}
utils::Vector<const ast::Expression*, 8> new_args;
utils::Vector<const Expression*, 8> new_args;
auto* arg = ast_call->args.begin();
for (auto* member : new_struct->members) {

24
src/tint/ast/transform/preserve_padding.cc
View File

@ -44,13 +44,13 @@ struct PreservePadding::State {
/// @returns the ApplyResult
ApplyResult Run() {
// Gather a list of assignments that need to be transformed.
std::unordered_set<const ast::AssignmentStatement*> assignments_to_transform;
std::unordered_set<const AssignmentStatement*> assignments_to_transform;
for (auto* node : ctx.src->ASTNodes().Objects()) {
Switch(
node, //
[&](const ast::AssignmentStatement* assign) {
[&](const AssignmentStatement* assign) {
auto* ty = sem.GetVal(assign->lhs)->Type();
if (assign->lhs->Is<ast::PhonyExpression>()) {
if (assign->lhs->Is<PhonyExpression>()) {
// Ignore phony assignment.
return;
}
@ -65,7 +65,7 @@ struct PreservePadding::State {
assignments_to_transform.insert(assign);
}
},
[&](const ast::Enable* enable) {
[&](const Enable* enable) {
// Check if the full pointer parameters extension is already enabled.
if (enable->HasExtension(
builtin::Extension::kChromiumExperimentalFullPtrParameters)) {
@ -78,7 +78,7 @@ struct PreservePadding::State {
}
// Replace all assignments that include padding with decomposed versions.
ctx.ReplaceAll([&](const ast::AssignmentStatement* assign) -> const ast::Statement* {
ctx.ReplaceAll([&](const AssignmentStatement* assign) -> const Statement* {
if (!assignments_to_transform.count(assign)) {
return nullptr;
}
@ -96,9 +96,9 @@ struct PreservePadding::State {
/// @param lhs the lhs expression (in the destination program)
/// @param rhs the rhs expression (in the destination program)
/// @returns the statement that performs the assignment
const ast::Statement* MakeAssignment(const type::Type* ty,
const ast::Expression* lhs,
const ast::Expression* rhs) {
const Statement* MakeAssignment(const type::Type* ty,
const Expression* lhs,
const Expression* rhs) {
if (!HasPadding(ty)) {
// No padding - use a regular assignment.
return b.Assign(lhs, rhs);
@ -120,7 +120,7 @@ struct PreservePadding::State {
EnableExtension();
auto helper = helpers.GetOrCreate(ty, [&]() {
auto helper_name = b.Symbols().New("assign_and_preserve_padding");
utils::Vector<const ast::Parameter*, 2> params = {
utils::Vector<const Parameter*, 2> params = {
b.Param(kDestParamName,
b.ty.pointer(CreateASTTypeFor(ctx, ty), builtin::AddressSpace::kStorage,
builtin::Access::kReadWrite)),
@ -137,7 +137,7 @@ struct PreservePadding::State {
[&](const type::Array* arr) {
// Call a helper function that uses a loop to assigns each element separately.
return call_helper([&]() {
utils::Vector<const ast::Statement*, 8> body;
utils::Vector<const Statement*, 8> body;
auto* idx = b.Var("i", b.Expr(0_u));
body.Push(
b.For(b.Decl(idx), b.LessThan(idx, u32(arr->ConstantCount().value())),
@ -151,7 +151,7 @@ struct PreservePadding::State {
[&](const type::Matrix* mat) {
// Call a helper function that assigns each column separately.
return call_helper([&]() {
utils::Vector<const ast::Statement*, 4> body;
utils::Vector<const Statement*, 4> body;
for (uint32_t i = 0; i < mat->columns(); i++) {
body.Push(MakeAssignment(mat->ColumnType(),
b.IndexAccessor(b.Deref(kDestParamName), u32(i)),
@ -163,7 +163,7 @@ struct PreservePadding::State {
[&](const type::Struct* str) {
// Call a helper function that assigns each member separately.
return call_helper([&]() {
utils::Vector<const ast::Statement*, 8> body;
utils::Vector<const Statement*, 8> body;
for (auto member : str->Members()) {
auto name = member->Name().Name();
body.Push(MakeAssignment(member->Type(),

10
src/tint/ast/transform/promote_initializers_to_let.cc
View File

@ -69,7 +69,7 @@ Transform::ApplyResult PromoteInitializersToLet::Apply(const Program* src,
}
}
if (auto* src_var_decl = expr->Stmt()->Declaration()->As<ast::VariableDeclStatement>()) {
if (auto* src_var_decl = expr->Stmt()->Declaration()->As<VariableDeclStatement>()) {
if (src_var_decl->variable->initializer == expr->Declaration()) {
// This statement is just a variable declaration with the initializer as the
// initializer value. This is what we're attempting to transform to, and so
@ -84,7 +84,7 @@ Transform::ApplyResult PromoteInitializersToLet::Apply(const Program* src,
// A list of expressions that should be hoisted.
utils::Vector<const sem::ValueExpression*, 32> to_hoist;
// A set of expressions that are constant, which _may_ need to be hoisted.
utils::Hashset<const ast::Expression*, 32> const_chains;
utils::Hashset<const Expression*, 32> const_chains;
// Walk the AST nodes. This order guarantees that leaf-expressions are visited first.
for (auto* node : src->ASTNodes().Objects()) {
@ -104,11 +104,9 @@ Transform::ApplyResult PromoteInitializersToLet::Apply(const Program* src,
// visit leaf-expressions first, this means the content of const_chains only
// contains the outer-most constant expressions.
auto* expr = sem->Declaration();
bool ok = ast::TraverseExpressions(
expr, b.Diagnostics(), [&](const ast::Expression* child) {
bool ok = TraverseExpressions(expr, b.Diagnostics(), [&](const Expression* child) {
const_chains.Remove(child);
return child == expr ? ast::TraverseAction::Descend
: ast::TraverseAction::Skip;
return child == expr ? TraverseAction::Descend : TraverseAction::Skip;
});
if (!ok) {
return Program(std::move(b));

163
src/tint/ast/transform/promote_side_effects_to_decl.cc
View File

@ -97,49 +97,48 @@ struct DecomposeSideEffects : tint::utils::Castable<PromoteSideEffectsToDecl, Tr
// need to be hoisted to ensure order of evaluation, both those that give
// side-effects, as well as those that receive, and returns a set of these
// expressions.
using ToHoistSet = std::unordered_set<const ast::Expression*>;
using ToHoistSet = std::unordered_set<const Expression*>;
class DecomposeSideEffects::CollectHoistsState : public StateBase {
// Expressions to hoist because they either cause or receive side-effects.
ToHoistSet to_hoist;
// Used to mark expressions as not or no longer having side-effects.
std::unordered_set<const ast::Expression*> no_side_effects;
std::unordered_set<const Expression*> no_side_effects;
// Returns true if `expr` has side-effects. Unlike invoking
// sem::ValueExpression::HasSideEffects(), this function takes into account whether
// `expr` has been hoisted, returning false in that case. Furthermore, it
// returns the correct result on parent expression nodes by traversing the
// expression tree, memoizing the results to ensure O(1) amortized lookup.
bool HasSideEffects(const ast::Expression* expr) {
bool HasSideEffects(const Expression* expr) {
if (no_side_effects.count(expr)) {
return false;
}
return Switch(
expr,
[&](const ast::CallExpression* e) -> bool { return sem.Get(e)->HasSideEffects(); },
[&](const ast::BinaryExpression* e) {
expr, [&](const CallExpression* e) -> bool { return sem.Get(e)->HasSideEffects(); },
[&](const BinaryExpression* e) {
if (HasSideEffects(e->lhs) || HasSideEffects(e->rhs)) {
return true;
}
no_side_effects.insert(e);
return false;
},
[&](const ast::IndexAccessorExpression* e) {
[&](const IndexAccessorExpression* e) {
if (HasSideEffects(e->object) || HasSideEffects(e->index)) {
return true;
}
no_side_effects.insert(e);
return false;
},
[&](const ast::MemberAccessorExpression* e) {
[&](const MemberAccessorExpression* e) {
if (HasSideEffects(e->object)) {
return true;
}
no_side_effects.insert(e);
return false;
},
[&](const ast::BitcastExpression* e) { //
[&](const BitcastExpression* e) { //
if (HasSideEffects(e->expr)) {
return true;
}
@ -147,22 +146,22 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
return false;
},
[&](const ast::UnaryOpExpression* e) { //
[&](const UnaryOpExpression* e) { //
if (HasSideEffects(e->expr)) {
return true;
}
no_side_effects.insert(e);
return false;
},
[&](const ast::IdentifierExpression* e) {
[&](const IdentifierExpression* e) {
no_side_effects.insert(e);
return false;
},
[&](const ast::LiteralExpression* e) {
[&](const LiteralExpression* e) {
no_side_effects.insert(e);
return false;
},
[&](const ast::PhonyExpression* e) {
[&](const PhonyExpression* e) {
no_side_effects.insert(e);
return false;
},
@ -173,14 +172,14 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
}
// Adds `e` to `to_hoist` for hoisting to a let later on.
void Hoist(const ast::Expression* e) {
void Hoist(const Expression* e) {
no_side_effects.insert(e);
to_hoist.emplace(e);
}
// Hoists any expressions in `maybe_hoist` and clears it
template <size_t N>
void Flush(tint::utils::Vector<const ast::Expression*, N>& maybe_hoist) {
void Flush(tint::utils::Vector<const Expression*, N>& maybe_hoist) {
for (auto* m : maybe_hoist) {
Hoist(m);
}
@ -198,13 +197,13 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
// over-hoist the lhs expressions, as these may be be chained to refer to a
// single memory location.
template <size_t N>
bool ProcessExpression(const ast::Expression* expr,
tint::utils::Vector<const ast::Expression*, N>& maybe_hoist) {
auto process = [&](const ast::Expression* e) -> bool {
bool ProcessExpression(const Expression* expr,
tint::utils::Vector<const Expression*, N>& maybe_hoist) {
auto process = [&](const Expression* e) -> bool {
return ProcessExpression(e, maybe_hoist);
};
auto default_process = [&](const ast::Expression* e) {
auto default_process = [&](const Expression* e) {
auto maybe = process(e);
if (maybe) {
maybe_hoist.Push(e);
@ -215,7 +214,7 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
return false;
};
auto binary_process = [&](const ast::Expression* lhs, const ast::Expression* rhs) {
auto binary_process = [&](const Expression* lhs, const Expression* rhs) {
// If neither side causes side-effects, but at least one receives them,
// let parent node hoist. This avoids over-hoisting side-effect receivers
// of compound binary expressions (e.g. for "((a && b) && c) && f()", we
@ -235,8 +234,7 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
return false;
};
auto accessor_process = [&](const ast::Expression* lhs,
const ast::Expression* rhs = nullptr) {
auto accessor_process = [&](const Expression* lhs, const Expression* rhs = nullptr) {
auto maybe = process(lhs);
// If lhs is a variable, let parent node hoist otherwise flush it right
// away. This is to avoid over-hoisting the lhs of accessor chains (e.g.
@ -255,7 +253,7 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
return Switch(
expr,
[&](const ast::CallExpression* e) -> bool {
[&](const CallExpression* e) -> bool {
// We eagerly flush any variables in maybe_hoist for the current
// call expression. Then we scope maybe_hoist to the processing of
// the call args. This ensures that given: g(c, a(0), d) we hoist
@ -276,7 +274,7 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
// no_side_effects() first.
return true;
},
[&](const ast::IdentifierExpression* e) {
[&](const IdentifierExpression* e) {
if (auto* sem_e = sem.GetVal(e)) {
if (auto* var_user = sem_e->UnwrapLoad()->As<sem::VariableUser>()) {
// Don't hoist constants.
@ -297,7 +295,7 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
}
return false;
},
[&](const ast::BinaryExpression* e) {
[&](const BinaryExpression* e) {
if (e->IsLogical() && HasSideEffects(e)) {
// Don't hoist children of logical binary expressions with
// side-effects. These will be handled by DecomposeState.
@ -307,27 +305,25 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
}
return binary_process(e->lhs, e->rhs);
},
[&](const ast::BitcastExpression* e) { //
[&](const BitcastExpression* e) { //
return process(e->expr);
},
[&](const ast::UnaryOpExpression* e) { //
[&](const UnaryOpExpression* e) { //
auto r = process(e->expr);
// Don't hoist address-of expressions.
// E.g. for "g(&b, a(0))", we hoist "a(0)" only.
if (e->op == ast::UnaryOp::kAddressOf) {
if (e->op == UnaryOp::kAddressOf) {
return false;
}
return r;
},
[&](const ast::IndexAccessorExpression* e) {
return accessor_process(e->object, e->index);
},
[&](const ast::MemberAccessorExpression* e) { return accessor_process(e->object); },
[&](const ast::LiteralExpression*) {
[&](const IndexAccessorExpression* e) { return accessor_process(e->object, e->index); },
[&](const MemberAccessorExpression* e) { return accessor_process(e->object); },
[&](const LiteralExpression*) {
// Leaf
return false;
},
[&](const ast::PhonyExpression*) {
[&](const PhonyExpression*) {
// Leaf
return false;
},
@ -338,12 +334,12 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
}
// Starts the recursive processing of a statement's expression(s) to hoist side-effects to lets.
void ProcessExpression(const ast::Expression* expr) {
void ProcessExpression(const Expression* expr) {
if (!expr) {
return;
}
tint::utils::Vector<const ast::Expression*, 8> maybe_hoist;
tint::utils::Vector<const Expression*, 8> maybe_hoist;
ProcessExpression(expr, maybe_hoist);
}
@ -354,31 +350,31 @@ class DecomposeSideEffects::CollectHoistsState : public StateBase {
// Traverse all statements, recursively processing their expression tree(s)
// to hoist side-effects to lets.
for (auto* node : ctx.src->ASTNodes().Objects()) {
auto* stmt = node->As<ast::Statement>();
auto* stmt = node->As<Statement>();
if (!stmt) {
continue;
}
Switch(
stmt, //
[&](const ast::AssignmentStatement* s) {
tint::utils::Vector<const ast::Expression*, 8> maybe_hoist;
[&](const AssignmentStatement* s) {
tint::utils::Vector<const Expression*, 8> maybe_hoist;
ProcessExpression(s->lhs, maybe_hoist);
ProcessExpression(s->rhs, maybe_hoist);
},
[&](const ast::CallStatement* s) { //
[&](const CallStatement* s) { //
ProcessExpression(s->expr);
},
[&](const ast::ForLoopStatement* s) { ProcessExpression(s->condition); },
[&](const ast::WhileStatement* s) { ProcessExpression(s->condition); },
[&](const ast::IfStatement* s) { //
[&](const ForLoopStatement* s) { ProcessExpression(s->condition); },
[&](const WhileStatement* s) { ProcessExpression(s->condition); },
[&](const IfStatement* s) { //
ProcessExpression(s->condition);
},
[&](const ast::ReturnStatement* s) { //
[&](const ReturnStatement* s) { //
ProcessExpression(s->value);
},
[&](const ast::SwitchStatement* s) { ProcessExpression(s->condition); },
[&](const ast::VariableDeclStatement* s) {
[&](const SwitchStatement* s) { ProcessExpression(s->condition); },
[&](const VariableDeclStatement* s) {
ProcessExpression(s->variable->initializer);
});
}
@ -394,20 +390,20 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
ToHoistSet to_hoist;
// Returns true if `binary_expr` should be decomposed for short-circuit eval.
bool IsLogicalWithSideEffects(const ast::BinaryExpression* binary_expr) {
bool IsLogicalWithSideEffects(const BinaryExpression* binary_expr) {
return binary_expr->IsLogical() && (sem.GetVal(binary_expr->lhs)->HasSideEffects() ||
sem.GetVal(binary_expr->rhs)->HasSideEffects());
}
// Recursive function used to decompose an expression for short-circuit eval.
template <size_t N>
const ast::Expression* Decompose(const ast::Expression* expr,
tint::utils::Vector<const ast::Statement*, N>* curr_stmts) {
const Expression* Decompose(const Expression* expr,
tint::utils::Vector<const Statement*, N>* curr_stmts) {
// Helper to avoid passing in same args.
auto decompose = [&](auto& e) { return Decompose(e, curr_stmts); };
// Clones `expr`, possibly hoisting it to a let.
auto clone_maybe_hoisted = [&](const ast::Expression* e) -> const ast::Expression* {
auto clone_maybe_hoisted = [&](const Expression* e) -> const Expression* {
if (to_hoist.count(e)) {
auto name = b.Symbols().New();
auto* v = b.Let(name, ctx.Clone(e));
@ -420,7 +416,7 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
return Switch(
expr,
[&](const ast::BinaryExpression* bin_expr) -> const ast::Expression* {
[&](const BinaryExpression* bin_expr) -> const Expression* {
if (!IsLogicalWithSideEffects(bin_expr)) {
// No short-circuit, emit usual binary expr
ctx.Replace(bin_expr->lhs, decompose(bin_expr->lhs));
@ -461,16 +457,16 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
auto name = b.Sym();
curr_stmts->Push(b.Decl(b.Var(name, decompose(bin_expr->lhs))));
const ast::Expression* if_cond = nullptr;
const Expression* if_cond = nullptr;
if (bin_expr->IsLogicalOr()) {
if_cond = b.Not(name);
} else {
if_cond = b.Expr(name);
}
const ast::BlockStatement* if_body = nullptr;
const BlockStatement* if_body = nullptr;
{
tint::utils::Vector<const ast::Statement*, N> stmts;
tint::utils::Vector<const Statement*, N> stmts;
TINT_SCOPED_ASSIGNMENT(curr_stmts, &stmts);
auto* new_rhs = decompose(bin_expr->rhs);
curr_stmts->Push(b.Assign(name, new_rhs));
@ -481,36 +477,36 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
return b.Expr(name);
},
[&](const ast::IndexAccessorExpression* idx) {
[&](const IndexAccessorExpression* idx) {
ctx.Replace(idx->object, decompose(idx->object));
ctx.Replace(idx->index, decompose(idx->index));
return clone_maybe_hoisted(idx);
},
[&](const ast::BitcastExpression* bitcast) {
[&](const BitcastExpression* bitcast) {
ctx.Replace(bitcast->expr, decompose(bitcast->expr));
return clone_maybe_hoisted(bitcast);
},
[&](const ast::CallExpression* call) {
[&](const CallExpression* call) {
for (auto* a : call->args) {
ctx.Replace(a, decompose(a));
}
return clone_maybe_hoisted(call);
},
[&](const ast::MemberAccessorExpression* member) {
[&](const MemberAccessorExpression* member) {
ctx.Replace(member->object, decompose(member->object));
return clone_maybe_hoisted(member);
},
[&](const ast::UnaryOpExpression* unary) {
[&](const UnaryOpExpression* unary) {
ctx.Replace(unary->expr, decompose(unary->expr));
return clone_maybe_hoisted(unary);
},
[&](const ast::LiteralExpression* lit) {
[&](const LiteralExpression* lit) {
return clone_maybe_hoisted(lit); // Leaf expression, just clone as is
},
[&](const ast::IdentifierExpression* id) {
[&](const IdentifierExpression* id) {
return clone_maybe_hoisted(id); // Leaf expression, just clone as is
},
[&](const ast::PhonyExpression* phony) {
[&](const PhonyExpression* phony) {
return clone_maybe_hoisted(phony); // Leaf expression, just clone as is
},
[&](Default) {
@ -522,8 +518,7 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
// Inserts statements in `stmts` before `stmt`
template <size_t N>
void InsertBefore(tint::utils::Vector<const ast::Statement*, N>& stmts,
const ast::Statement* stmt) {
void InsertBefore(tint::utils::Vector<const Statement*, N>& stmts, const Statement* stmt) {
if (!stmts.IsEmpty()) {
auto ip = utils::GetInsertionPoint(ctx, stmt);
for (auto* s : stmts) {
@ -534,86 +529,86 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
// Decomposes expressions of `stmt`, returning a replacement statement or
// nullptr if not replacing it.
const ast::Statement* DecomposeStatement(const ast::Statement* stmt) {
const Statement* DecomposeStatement(const Statement* stmt) {
return Switch(
stmt,
[&](const ast::AssignmentStatement* s) -> const ast::Statement* {
[&](const AssignmentStatement* s) -> const Statement* {
if (!sem.GetVal(s->lhs)->HasSideEffects() &&
!sem.GetVal(s->rhs)->HasSideEffects()) {
return nullptr;
}
// lhs before rhs
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(s->lhs, Decompose(s->lhs, &stmts));
ctx.Replace(s->rhs, Decompose(s->rhs, &stmts));
InsertBefore(stmts, s);
return ctx.CloneWithoutTransform(s);
},
[&](const ast::CallStatement* s) -> const ast::Statement* {
[&](const CallStatement* s) -> const Statement* {
if (!sem.Get(s->expr)->HasSideEffects()) {
return nullptr;
}
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(s->expr, Decompose(s->expr, &stmts));
InsertBefore(stmts, s);
return ctx.CloneWithoutTransform(s);
},
[&](const ast::ForLoopStatement* s) -> const ast::Statement* {
[&](const ForLoopStatement* s) -> const Statement* {
if (!s->condition || !sem.GetVal(s->condition)->HasSideEffects()) {
return nullptr;
}
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(s->condition, Decompose(s->condition, &stmts));
InsertBefore(stmts, s);
return ctx.CloneWithoutTransform(s);
},
[&](const ast::WhileStatement* s) -> const ast::Statement* {
[&](const WhileStatement* s) -> const Statement* {
if (!sem.GetVal(s->condition)->HasSideEffects()) {
return nullptr;
}
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(s->condition, Decompose(s->condition, &stmts));
InsertBefore(stmts, s);
return ctx.CloneWithoutTransform(s);
},
[&](const ast::IfStatement* s) -> const ast::Statement* {
[&](const IfStatement* s) -> const Statement* {
if (!sem.GetVal(s->condition)->HasSideEffects()) {
return nullptr;
}
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(s->condition, Decompose(s->condition, &stmts));
InsertBefore(stmts, s);
return ctx.CloneWithoutTransform(s);
},
[&](const ast::ReturnStatement* s) -> const ast::Statement* {
[&](const ReturnStatement* s) -> const Statement* {
if (!s->value || !sem.GetVal(s->value)->HasSideEffects()) {
return nullptr;
}
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(s->value, Decompose(s->value, &stmts));
InsertBefore(stmts, s);
return ctx.CloneWithoutTransform(s);
},
[&](const ast::SwitchStatement* s) -> const ast::Statement* {
[&](const SwitchStatement* s) -> const Statement* {
if (!sem.Get(s->condition)) {
return nullptr;
}
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(s->condition, Decompose(s->condition, &stmts));
InsertBefore(stmts, s);
return ctx.CloneWithoutTransform(s);
},
[&](const ast::VariableDeclStatement* s) -> const ast::Statement* {
[&](const VariableDeclStatement* s) -> const Statement* {
auto* var = s->variable;
if (!var->initializer || !sem.GetVal(var->initializer)->HasSideEffects()) {
return nullptr;
}
tint::utils::Vector<const ast::Statement*, 8> stmts;
tint::utils::Vector<const Statement*, 8> stmts;
ctx.Replace(var->initializer, Decompose(var->initializer, &stmts));
InsertBefore(stmts, s);
return b.Decl(ctx.CloneWithoutTransform(var));
},
[](Default) -> const ast::Statement* {
[](Default) -> const Statement* {
// Other statement types don't have expressions
return nullptr;
});
@ -626,7 +621,7 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
void Run() {
// We replace all BlockStatements as this allows us to iterate over the
// block statements and ctx.InsertBefore hoisted declarations on them.
ctx.ReplaceAll([&](const ast::BlockStatement* block) -> const ast::Statement* {
ctx.ReplaceAll([&](const BlockStatement* block) -> const Statement* {
for (auto* stmt : block->statements) {
if (auto* new_stmt = DecomposeStatement(stmt)) {
ctx.Replace(stmt, new_stmt);
@ -634,7 +629,7 @@ class DecomposeSideEffects::DecomposeState : public StateBase {
// Handle for loops, as they are the only other AST node that
// contains statements outside of BlockStatements.
if (auto* fl = stmt->As<ast::ForLoopStatement>()) {
if (auto* fl = stmt->As<ForLoopStatement>()) {
if (auto* new_stmt = DecomposeStatement(fl->initializer)) {
ctx.Replace(fl->initializer, new_stmt);
}

10
src/tint/ast/transform/remove_continue_in_switch.cc
View File

@ -45,7 +45,7 @@ struct RemoveContinueInSwitch::State {
bool made_changes = false;
for (auto* node : src->ASTNodes().Objects()) {
auto* cont = node->As<ast::ContinueStatement>();
auto* cont = node->As<ContinueStatement>();
if (!cont) {
continue;
}
@ -103,12 +103,12 @@ struct RemoveContinueInSwitch::State {
const sem::Info& sem = src->Sem();
// Map of switch statement to 'tint_continue' variable.
std::unordered_map<const ast::SwitchStatement*, Symbol> switch_to_cont_var_name;
std::unordered_map<const SwitchStatement*, Symbol> switch_to_cont_var_name;
// If `cont` is within a switch statement within a loop, returns a pointer to
// that switch statement.
static const ast::SwitchStatement* GetParentSwitchInLoop(const sem::Info& sem,
const ast::ContinueStatement* cont) {
static const SwitchStatement* GetParentSwitchInLoop(const sem::Info& sem,
const ContinueStatement* cont) {
// Find whether first parent is a switch or a loop
auto* sem_stmt = sem.Get(cont);
auto* sem_parent = sem_stmt->FindFirstParent<sem::SwitchStatement, sem::LoopBlockStatement,
@ -116,7 +116,7 @@ struct RemoveContinueInSwitch::State {
if (!sem_parent) {
return nullptr;
}
return sem_parent->Declaration()->As<ast::SwitchStatement>();
return sem_parent->Declaration()->As<SwitchStatement>();
}
};

28
src/tint/ast/transform/remove_phonies.cc
View File

@ -53,14 +53,14 @@ Transform::ApplyResult RemovePhonies::Apply(const Program* src, const DataMap&,
for (auto* node : src->ASTNodes().Objects()) {
Switch(
node,
[&](const ast::AssignmentStatement* stmt) {
if (stmt->lhs->Is<ast::PhonyExpression>()) {
[&](const AssignmentStatement* stmt) {
if (stmt->lhs->Is<PhonyExpression>()) {
made_changes = true;
std::vector<const ast::Expression*> side_effects;
if (!ast::TraverseExpressions(
stmt->rhs, b.Diagnostics(), [&](const ast::CallExpression* expr) {
// ast::CallExpression may map to a function or builtin call
std::vector<const Expression*> side_effects;
if (!TraverseExpressions(
stmt->rhs, b.Diagnostics(), [&](const CallExpression* expr) {
// CallExpression may map to a function or builtin call
// (both may have side-effects), or a value constructor or value
// conversion (both do not have side effects).
auto* call = sem.Get<sem::Call>(expr);
@ -68,14 +68,14 @@ Transform::ApplyResult RemovePhonies::Apply(const Program* src, const DataMap&,
// Semantic node must be a Materialize, in which case the
// expression was creation-time (compile time), so could not
// have side effects. Just skip.
return ast::TraverseAction::Skip;
return TraverseAction::Skip;
}
if (call->Target()->IsAnyOf<sem::Function, sem::Builtin>() &&
call->HasSideEffects()) {
side_effects.push_back(expr);
return ast::TraverseAction::Skip;
return TraverseAction::Skip;
}
return ast::TraverseAction::Descend;
return TraverseAction::Descend;
})) {
return;
}
@ -88,12 +88,12 @@ Transform::ApplyResult RemovePhonies::Apply(const Program* src, const DataMap&,
}
if (side_effects.size() == 1) {
if (auto* call_expr = side_effects[0]->As<ast::CallExpression>()) {
if (auto* call_expr = side_effects[0]->As<CallExpression>()) {
// Phony assignment with single call side effect.
auto* call = sem.Get(call_expr)->Unwrap()->As<sem::Call>();
if (call->Target()->MustUse()) {
// Replace phony assignment assignment to uniquely named let.
ctx.Replace<ast::Statement>(stmt, [&, call_expr] { //
ctx.Replace<Statement>(stmt, [&, call_expr] { //
auto name = b.Symbols().New("tint_phony");
auto* rhs = ctx.Clone(call_expr);
return b.Decl(b.Let(name, rhs));
@ -118,7 +118,7 @@ Transform::ApplyResult RemovePhonies::Apply(const Program* src, const DataMap&,
}
auto sink = sinks.GetOrCreate(sig, [&] {
auto name = b.Symbols().New("phony_sink");
utils::Vector<const ast::Parameter*, 8> params;
utils::Vector<const Parameter*, 8> params;
for (auto* ty : sig) {
auto ast_ty = CreateASTTypeFor(ctx, ty);
params.Push(b.Param("p" + std::to_string(params.Length()), ast_ty));
@ -126,7 +126,7 @@ Transform::ApplyResult RemovePhonies::Apply(const Program* src, const DataMap&,
b.Func(name, params, b.ty.void_(), {});
return name;
});
utils::Vector<const ast::Expression*, 8> args;
utils::Vector<const Expression*, 8> args;
for (auto* arg : side_effects) {
args.Push(ctx.Clone(arg));
}
@ -134,7 +134,7 @@ Transform::ApplyResult RemovePhonies::Apply(const Program* src, const DataMap&,
});
}
},
[&](const ast::CallStatement* stmt) {
[&](const CallStatement* stmt) {
// Remove call statements to const value-returning functions.
// TODO(crbug.com/tint/1637): Remove if `stmt->expr` has no side-effects.
auto* sem_expr = sem.Get(stmt->expr);

22
src/tint/ast/transform/renamer.cc
View File

@ -1265,10 +1265,10 @@ Transform::ApplyResult Renamer::Apply(const Program* src,
}
// Identifiers that need to keep their symbols preserved.
utils::Hashset<const ast::Identifier*, 16> preserved_identifiers;
utils::Hashset<const Identifier*, 16> preserved_identifiers;
for (auto* node : src->ASTNodes().Objects()) {
auto preserve_if_builtin_type = [&](const ast::Identifier* ident) {
auto preserve_if_builtin_type = [&](const Identifier* ident) {
if (!global_decls.Contains(ident->symbol)) {
preserved_identifiers.Add(ident);
}
@ -1276,7 +1276,7 @@ Transform::ApplyResult Renamer::Apply(const Program* src,
Switch(
node,
[&](const ast::MemberAccessorExpression* accessor) {
[&](const MemberAccessorExpression* accessor) {
auto* sem = src->Sem().Get(accessor)->UnwrapLoad();
if (sem->Is<sem::Swizzle>()) {
preserved_identifiers.Add(accessor->member);
@ -1288,19 +1288,19 @@ Transform::ApplyResult Renamer::Apply(const Program* src,
}
}
},
[&](const ast::DiagnosticAttribute* diagnostic) {
[&](const DiagnosticAttribute* diagnostic) {
if (auto* category = diagnostic->control.rule_name->category) {
preserved_identifiers.Add(category);
}
preserved_identifiers.Add(diagnostic->control.rule_name->name);
},
[&](const ast::DiagnosticDirective* diagnostic) {
[&](const DiagnosticDirective* diagnostic) {
if (auto* category = diagnostic->control.rule_name->category) {
preserved_identifiers.Add(category);
}
preserved_identifiers.Add(diagnostic->control.rule_name->name);
},
[&](const ast::IdentifierExpression* expr) {
[&](const IdentifierExpression* expr) {
Switch(
src->Sem().Get(expr), //
[&](const sem::BuiltinEnumExpressionBase*) {
@ -1310,7 +1310,7 @@ Transform::ApplyResult Renamer::Apply(const Program* src,
preserve_if_builtin_type(expr->identifier);
});
},
[&](const ast::CallExpression* call) {
[&](const CallExpression* call) {
Switch(
src->Sem().Get(call)->UnwrapMaterialize()->As<sem::Call>()->Target(),
[&](const sem::Builtin*) {
@ -1372,7 +1372,7 @@ Transform::ApplyResult Renamer::Apply(const Program* src,
ProgramBuilder b;
CloneContext ctx{&b, src, /* auto_clone_symbols */ false};
ctx.ReplaceAll([&](const ast::Identifier* ident) -> const ast::Identifier* {
ctx.ReplaceAll([&](const Identifier* ident) -> const Identifier* {
const auto symbol = ident->symbol;
if (preserved_identifiers.Contains(ident) || !should_rename(symbol)) {
return nullptr; // Preserve symbol
@ -1382,12 +1382,12 @@ Transform::ApplyResult Renamer::Apply(const Program* src,
auto replacement = remappings.GetOrCreate(symbol, [&] { return b.Symbols().New(); });
// Reconstruct the identifier
if (auto* tmpl_ident = ident->As<ast::TemplatedIdentifier>()) {
if (auto* tmpl_ident = ident->As<TemplatedIdentifier>()) {
auto args = ctx.Clone(tmpl_ident->arguments);
return ctx.dst->create<ast::TemplatedIdentifier>(ctx.Clone(ident->source), replacement,
return ctx.dst->create<TemplatedIdentifier>(ctx.Clone(ident->source), replacement,
std::move(args), utils::Empty);
}
return ctx.dst->create<ast::Identifier>(ctx.Clone(ident->source), replacement);
return ctx.dst->create<Identifier>(ctx.Clone(ident->source), replacement);
});
ctx.Clone();

50
src/tint/ast/transform/robustness.cc
View File

@ -58,7 +58,7 @@ struct Robustness::State {
for (auto* node : ctx.src->ASTNodes().Objects()) {
Switch(
node, //
[&](const ast::IndexAccessorExpression* e) {
[&](const IndexAccessorExpression* e) {
// obj[idx]
// Array, matrix and vector indexing may require robustness transformation.
auto* expr = sem.Get(e)->Unwrap()->As<sem::IndexAccessorExpression>();
@ -73,7 +73,7 @@ struct Robustness::State {
break;
}
},
[&](const ast::IdentifierExpression* e) {
[&](const IdentifierExpression* e) {
// Identifiers may resolve to pointer lets, which may be predicated.
// Inspect.
if (auto* user = sem.Get<sem::VariableUser>(e)) {
@ -86,42 +86,42 @@ struct Robustness::State {
}
}
},
[&](const ast::AccessorExpression* e) {
[&](const AccessorExpression* e) {
// obj.member
// Propagate the predication from the object to this expression.
if (auto pred = predicates.Get(e->object)) {
predicates.Add(e, *pred);
}
},
[&](const ast::UnaryOpExpression* e) {
[&](const UnaryOpExpression* e) {
// Includes address-of, or indirection
// Propagate the predication from the inner expression to this expression.
if (auto pred = predicates.Get(e->expr)) {
predicates.Add(e, *pred);
}
},
[&](const ast::AssignmentStatement* s) {
[&](const AssignmentStatement* s) {
if (auto pred = predicates.Get(s->lhs)) {
// Assignment target is predicated
// Replace statement with condition on the predicate
ctx.Replace(s, b.If(*pred, b.Block(ctx.Clone(s))));
}
},
[&](const ast::CompoundAssignmentStatement* s) {
[&](const CompoundAssignmentStatement* s) {
if (auto pred = predicates.Get(s->lhs)) {
// Assignment expression is predicated
// Replace statement with condition on the predicate
ctx.Replace(s, b.If(*pred, b.Block(ctx.Clone(s))));
}
},
[&](const ast::IncrementDecrementStatement* s) {
[&](const IncrementDecrementStatement* s) {
if (auto pred = predicates.Get(s->lhs)) {
// Assignment expression is predicated
// Replace statement with condition on the predicate
ctx.Replace(s, b.If(*pred, b.Block(ctx.Clone(s))));
}
},
[&](const ast::CallExpression* e) {
[&](const CallExpression* e) {
if (auto* call = sem.Get<sem::Call>(e)) {
Switch(
call->Target(), //
@ -163,7 +163,7 @@ struct Robustness::State {
// predicated_expr = expr;
// }
//
if (auto* expr = node->As<ast::Expression>()) {
if (auto* expr = node->As<Expression>()) {
if (auto pred = predicates.Get(expr)) {
// Expression is predicated
auto* sem_expr = sem.GetVal(expr);
@ -202,15 +202,15 @@ struct Robustness::State {
/// Alias to the source program's semantic info
const sem::Info& sem = ctx.src->Sem();
/// Map of expression to predicate condition
utils::Hashmap<const ast::Expression*, Symbol, 32> predicates{};
utils::Hashmap<const Expression*, Symbol, 32> predicates{};
/// @return the `u32` typed expression that represents the maximum indexable value for the index
/// accessor @p expr, or nullptr if there is no robustness limit for this expression.
const ast::Expression* DynamicLimitFor(const sem::IndexAccessorExpression* expr) {
const Expression* DynamicLimitFor(const sem::IndexAccessorExpression* expr) {
auto* obj_type = expr->Object()->Type();
return Switch(
obj_type->UnwrapRef(), //
[&](const type::Vector* vec) -> const ast::Expression* {
[&](const type::Vector* vec) -> const Expression* {
if (expr->Index()->ConstantValue() || expr->Index()->Is<sem::Swizzle>()) {
// Index and size is constant.
// Validation will have rejected any OOB accesses.
@ -218,7 +218,7 @@ struct Robustness::State {
}
return b.Expr(u32(vec->Width() - 1u));
},
[&](const type::Matrix* mat) -> const ast::Expression* {
[&](const type::Matrix* mat) -> const Expression* {
if (expr->Index()->ConstantValue()) {
// Index and size is constant.
// Validation will have rejected any OOB accesses.
@ -226,7 +226,7 @@ struct Robustness::State {
}
return b.Expr(u32(mat->columns() - 1u));
},
[&](const type::Array* arr) -> const ast::Expression* {
[&](const type::Array* arr) -> const Expression* {
if (arr->Count()->Is<type::RuntimeArrayCount>()) {
// Size is unknown until runtime.
// Must clamp, even if the index is constant.
@ -248,7 +248,7 @@ struct Robustness::State {
type::Array::kErrExpectedConstantCount);
return nullptr;
},
[&](Default) -> const ast::Expression* {
[&](Default) -> const Expression* {
TINT_ICE(Transform, b.Diagnostics())
<< "unhandled object type in robustness of array index: "
<< obj_type->UnwrapRef()->FriendlyName();
@ -350,7 +350,7 @@ struct Robustness::State {
/// Applies predication to the non-texture builtin call, if required.
void MaybePredicateNonTextureBuiltin(const sem::Call* call, const sem::Builtin* builtin) {
// Gather the predications for the builtin arguments
const ast::Expression* predicate = nullptr;
const Expression* predicate = nullptr;
for (auto* arg : call->Declaration()->args) {
if (auto pred = predicates.Get(arg)) {
predicate = And(predicate, b.Expr(*pred));
@ -393,7 +393,7 @@ struct Robustness::State {
auto* texture_arg = expr->args[static_cast<size_t>(texture_arg_idx)];
// Build the builtin predicate from the arguments
const ast::Expression* predicate = nullptr;
const Expression* predicate = nullptr;
Symbol level_idx, num_levels;
if (level_arg_idx >= 0) {
@ -554,7 +554,7 @@ struct Robustness::State {
}
/// @returns a bitwise and of the two expressions, or the other expression if one is null.
const ast::Expression* And(const ast::Expression* lhs, const ast::Expression* rhs) {
const Expression* And(const Expression* lhs, const Expression* rhs) {
if (lhs && rhs) {
return b.And(lhs, rhs);
}
@ -568,11 +568,11 @@ struct Robustness::State {
/// predicate.
/// @param else_stmt - the statement to execute for the predication failure
void PredicateCall(const sem::Call* call,
const ast::Expression* predicate,
const ast::BlockStatement* else_stmt = nullptr) {
const Expression* predicate,
const BlockStatement* else_stmt = nullptr) {
auto* expr = call->Declaration();
auto* stmt = call->Stmt();
auto* call_stmt = stmt->Declaration()->As<ast::CallStatement>();
auto* call_stmt = stmt->Declaration()->As<CallStatement>();
if (call_stmt && call_stmt->expr == expr) {
// Wrap the statement in an if-statement with the predicate condition.
hoist.Replace(stmt, b.If(predicate, b.Block(ctx.Clone(stmt->Declaration())),
@ -646,7 +646,7 @@ struct Robustness::State {
}
/// @returns a scalar or vector type with the element type @p scalar and width @p width
ast::Type ScalarOrVecTy(ast::Type scalar, uint32_t width) const {
Type ScalarOrVecTy(Type scalar, uint32_t width) const {
if (width > 1) {
return b.ty.vec(scalar, width);
}
@ -655,7 +655,7 @@ struct Robustness::State {
/// @returns a vector constructed with the scalar expression @p scalar if @p width > 1,
/// otherwise returns @p scalar.
const ast::Expression* ScalarOrVec(const ast::Expression* scalar, uint32_t width) {
const Expression* ScalarOrVec(const Expression* scalar, uint32_t width) {
if (width > 1) {
return b.Call(b.ty.vec<Infer>(width), scalar);
}
@ -664,13 +664,13 @@ struct Robustness::State {
/// @returns @p val cast to a `vecN<i32>`, where `N` is @p width, or cast to i32 if @p width
/// is 1.
const ast::CallExpression* CastToSigned(const ast::Expression* val, uint32_t width) {
const CallExpression* CastToSigned(const Expression* val, uint32_t width) {
return b.Call(ScalarOrVecTy(b.ty.i32(), width), val);
}
/// @returns @p val cast to a `vecN<u32>`, where `N` is @p width, or cast to u32 if @p width
/// is 1.
const ast::CallExpression* CastToUnsigned(const ast::Expression* val, uint32_t width) {
const CallExpression* CastToUnsigned(const Expression* val, uint32_t width) {
return b.Call(ScalarOrVecTy(b.ty.u32(), width), val);
}
};

44
src/tint/ast/transform/simplify_pointers.cc
View File

@ -41,7 +41,7 @@ struct PointerOp {
/// Zero: no pointer op on `expr`
int indirections = 0;
/// The expression being operated on
const ast::Expression* expr = nullptr;
const Expression* expr = nullptr;
};
} // namespace
@ -64,29 +64,29 @@ struct SimplifyPointers::State {
/// expression. The function-like argument `cb` is called for each found.
/// @param expr the expression to traverse
/// @param cb a function-like object with the signature
/// `void(const ast::Expression*)`, which is called for each array index
/// `void(const Expression*)`, which is called for each array index
/// expression
template <typename F>
static void CollectSavedArrayIndices(const ast::Expression* expr, F&& cb) {
if (auto* a = expr->As<ast::IndexAccessorExpression>()) {
static void CollectSavedArrayIndices(const Expression* expr, F&& cb) {
if (auto* a = expr->As<IndexAccessorExpression>()) {
CollectSavedArrayIndices(a->object, cb);
if (!a->index->Is<ast::LiteralExpression>()) {
if (!a->index->Is<LiteralExpression>()) {
cb(a->index);
}
return;
}
if (auto* m = expr->As<ast::MemberAccessorExpression>()) {
if (auto* m = expr->As<MemberAccessorExpression>()) {
CollectSavedArrayIndices(m->object, cb);
return;
}
if (auto* u = expr->As<ast::UnaryOpExpression>()) {
if (auto* u = expr->As<UnaryOpExpression>()) {
CollectSavedArrayIndices(u->expr, cb);
return;
}
// Note: Other ast::Expression types can be safely ignored as they cannot be
// Note: Other Expression types can be safely ignored as they cannot be
// used to generate a reference or pointer.
// See https://gpuweb.github.io/gpuweb/wgsl/#forming-references-and-pointers
}
@ -95,16 +95,16 @@ struct SimplifyPointers::State {
/// indirection ops into a PointerOp.
/// @param in the expression to walk
/// @returns the reduced PointerOp
PointerOp Reduce(const ast::Expression* in) const {
PointerOp Reduce(const Expression* in) const {
PointerOp op{0, in};
while (true) {
if (auto* unary = op.expr->As<ast::UnaryOpExpression>()) {
if (auto* unary = op.expr->As<UnaryOpExpression>()) {
switch (unary->op) {
case ast::UnaryOp::kIndirection:
case UnaryOp::kIndirection:
op.indirections++;
op.expr = unary->expr;
continue;
case ast::UnaryOp::kAddressOf:
case UnaryOp::kAddressOf:
op.indirections--;
op.expr = unary->expr;
continue;
@ -115,7 +115,7 @@ struct SimplifyPointers::State {
if (auto* user = ctx.src->Sem().Get<sem::VariableUser>(op.expr)) {
auto* var = user->Variable();
if (var->Is<sem::LocalVariable>() && //
var->Declaration()->Is<ast::Let>() && //
var->Declaration()->Is<Let>() && //
var->Type()->Is<type::Pointer>()) {
op.expr = var->Declaration()->initializer;
continue;
@ -129,7 +129,7 @@ struct SimplifyPointers::State {
/// @returns the new program or SkipTransform if the transform is not required
ApplyResult Run() {
// A map of saved expressions to their saved variable name
utils::Hashmap<const ast::Expression*, Symbol, 8> saved_vars;
utils::Hashmap<const Expression*, Symbol, 8> saved_vars;
bool needs_transform = false;
for (auto* ty : ctx.src->Types()) {
@ -146,8 +146,8 @@ struct SimplifyPointers::State {
for (auto* node : ctx.src->ASTNodes().Objects()) {
Switch(
node, //
[&](const ast::VariableDeclStatement* let) {
if (!let->variable->Is<ast::Let>()) {
[&](const VariableDeclStatement* let) {
if (!let->variable->Is<Let>()) {
return; // Not a `let` declaration. Ignore.
}
@ -160,9 +160,9 @@ struct SimplifyPointers::State {
// Scan the initializer expression for array index expressions that need
// to be hoist to temporary "saved" variables.
utils::Vector<const ast::VariableDeclStatement*, 8> saved;
utils::Vector<const VariableDeclStatement*, 8> saved;
CollectSavedArrayIndices(
var->Declaration()->initializer, [&](const ast::Expression* idx_expr) {
var->Declaration()->initializer, [&](const Expression* idx_expr) {
// We have a sub-expression that needs to be saved.
// Create a new variable
auto saved_name = ctx.dst->Symbols().New(
@ -205,8 +205,8 @@ struct SimplifyPointers::State {
// need for the original declaration to exist. Remove it.
RemoveStatement(ctx, let);
},
[&](const ast::UnaryOpExpression* op) {
if (op->op == ast::UnaryOp::kAddressOf) {
[&](const UnaryOpExpression* op) {
if (op->op == UnaryOp::kAddressOf) {
// Transform can be skipped if no address-of operator is used, as there
// will be no pointers that can be inlined.
needs_transform = true;
@ -218,7 +218,7 @@ struct SimplifyPointers::State {
return SkipTransform;
}
// Register the ast::Expression transform handler.
// Register the Expression transform handler.
// This performs two different transformations:
// * Identifiers that resolve to the pointer-typed `let` declarations are
// replaced with the recursively inlined initializer expression for the
@ -226,7 +226,7 @@ struct SimplifyPointers::State {
// * Sub-expressions inside the pointer-typed `let` initializer expression
// that have been hoisted to a saved variable are replaced with the saved
// variable identifier.
ctx.ReplaceAll([&](const ast::Expression* expr) -> const ast::Expression* {
ctx.ReplaceAll([&](const Expression* expr) -> const Expression* {
// Look to see if we need to swap this Expression with a saved variable.
if (auto saved_var = saved_vars.Find(expr)) {
return ctx.dst->Expr(*saved_var);

20
src/tint/ast/transform/single_entry_point.cc
View File

@ -45,7 +45,7 @@ Transform::ApplyResult SingleEntryPoint::Apply(const Program* src,
}
// Find the target entry point.
const ast::Function* entry_point = nullptr;
const Function* entry_point = nullptr;
for (auto* f : src->AST().Functions()) {
if (!f->IsEntryPoint()) {
continue;
@ -69,7 +69,7 @@ Transform::ApplyResult SingleEntryPoint::Apply(const Program* src,
for (auto* decl : src->AST().GlobalDeclarations()) {
Switch(
decl, //
[&](const ast::TypeDecl* ty) {
[&](const TypeDecl* ty) {
// Strip aliases that reference unused override declarations.
if (auto* arr = sem.Get(ty)->As<type::Array>()) {
auto* refs = sem.TransitivelyReferencedOverrides(arr);
@ -85,9 +85,9 @@ Transform::ApplyResult SingleEntryPoint::Apply(const Program* src,
// TODO(jrprice): Strip other unused types.
b.AST().AddTypeDecl(ctx.Clone(ty));
},
[&](const ast::Override* override) {
[&](const Override* override) {
if (referenced_vars.Contains(sem.Get(override))) {
if (!ast::HasAttribute<ast::IdAttribute>(override->attributes)) {
if (!HasAttribute<IdAttribute>(override->attributes)) {
// If the override doesn't already have an @id() attribute, add one
// so that its allocated ID so that it won't be affected by other
// stripped away overrides
@ -98,26 +98,24 @@ Transform::ApplyResult SingleEntryPoint::Apply(const Program* src,
b.AST().AddGlobalVariable(ctx.Clone(override));
}
},
[&](const ast::Var* var) {
[&](const Var* var) {
if (referenced_vars.Contains(sem.Get<sem::GlobalVariable>(var))) {
b.AST().AddGlobalVariable(ctx.Clone(var));
}
},
[&](const ast::Const* c) {
[&](const Const* c) {
// Always keep 'const' declarations, as these can be used by attributes and array
// sizes, which are not tracked as transitively used by functions. They also don't
// typically get emitted by the backend unless they're actually used.
b.AST().AddGlobalVariable(ctx.Clone(c));
},
[&](const ast::Function* func) {
[&](const Function* func) {
if (sem.Get(func)->HasAncestorEntryPoint(entry_point->name->symbol)) {
b.AST().AddFunction(ctx.Clone(func));
}
},
[&](const ast::Enable* ext) { b.AST().AddEnable(ctx.Clone(ext)); },
[&](const ast::DiagnosticDirective* d) {
b.AST().AddDiagnosticDirective(ctx.Clone(d));
},
[&](const Enable* ext) { b.AST().AddEnable(ctx.Clone(ext)); },
[&](const DiagnosticDirective* d) { b.AST().AddDiagnosticDirective(ctx.Clone(d)); },
[&](Default) {
TINT_UNREACHABLE(Transform, b.Diagnostics())
<< "unhandled global declaration: " << decl->TypeInfo().name;

18
src/tint/ast/transform/spirv_atomic.cc
View File

@ -70,7 +70,7 @@ struct SpirvAtomic::State {
// Look for stub functions generated by the SPIR-V reader, which are used as placeholders
// for atomic builtin calls.
for (auto* fn : ctx.src->AST().Functions()) {
if (auto* stub = ast::GetAttribute<Stub>(fn->attributes)) {
if (auto* stub = GetAttribute<Stub>(fn->attributes)) {
auto* sem = ctx.src->Sem().Get(fn);
for (auto* call : sem->CallSites()) {
@ -121,14 +121,14 @@ struct SpirvAtomic::State {
// If we need to change structure members, then fork them.
if (!forked_structs.empty()) {
ctx.ReplaceAll([&](const ast::Struct* str) {
ctx.ReplaceAll([&](const Struct* str) {
// Is `str` a structure we need to fork?
auto* str_ty = ctx.src->Sem().Get(str);
if (auto it = forked_structs.find(str_ty); it != forked_structs.end()) {
const auto& forked = it->second;
// Re-create the structure swapping in the atomic-flavoured members
utils::Vector<const ast::StructMember*, 8> members;
utils::Vector<const StructMember*, 8> members;
members.Reserve(str->members.Length());
for (size_t i = 0; i < str->members.Length(); i++) {
auto* member = str->members[i];
@ -187,14 +187,14 @@ struct SpirvAtomic::State {
atomic_expressions.Add(index->Object());
},
[&](const sem::ValueExpression* e) {
if (auto* unary = e->Declaration()->As<ast::UnaryOpExpression>()) {
if (auto* unary = e->Declaration()->As<UnaryOpExpression>()) {
atomic_expressions.Add(ctx.src->Sem().GetVal(unary->expr));
}
});
}
}
ast::Type AtomicTypeFor(const type::Type* ty) {
Type AtomicTypeFor(const type::Type* ty) {
return Switch(
ty, //
[&](const type::I32*) { return b.ty.atomic(CreateASTTypeFor(ctx, ty)); },
@ -221,7 +221,7 @@ struct SpirvAtomic::State {
[&](const type::Reference* ref) { return AtomicTypeFor(ref->StoreType()); },
[&](Default) {
TINT_ICE(Transform, b.Diagnostics()) << "unhandled type: " << ty->FriendlyName();
return ast::Type{};
return Type{};
});
}
@ -249,7 +249,7 @@ struct SpirvAtomic::State {
for (auto* vu : atomic_var->Users()) {
Switch(
vu->Stmt()->Declaration(),
[&](const ast::AssignmentStatement* assign) {
[&](const AssignmentStatement* assign) {
auto* sem_lhs = ctx.src->Sem().GetVal(assign->lhs);
if (is_ref_to_atomic_var(sem_lhs)) {
ctx.Replace(assign, [=] {
@ -272,7 +272,7 @@ struct SpirvAtomic::State {
return;
}
},
[&](const ast::VariableDeclStatement* decl) {
[&](const VariableDeclStatement* decl) {
auto* var = decl->variable;
if (auto* sem_init = ctx.src->Sem().GetVal(var->initializer)) {
if (is_ref_to_atomic_var(sem_init->UnwrapLoad())) {
@ -293,7 +293,7 @@ struct SpirvAtomic::State {
SpirvAtomic::SpirvAtomic() = default;
SpirvAtomic::~SpirvAtomic() = default;
SpirvAtomic::Stub::Stub(ProgramID pid, ast::NodeID nid, builtin::Function b)
SpirvAtomic::Stub::Stub(ProgramID pid, NodeID nid, builtin::Function b)
: Base(pid, nid, utils::Empty), builtin(b) {}
SpirvAtomic::Stub::~Stub() = default;
std::string SpirvAtomic::Stub::InternalName() const {

4
src/tint/ast/transform/spirv_atomic.h
View File

@ -41,12 +41,12 @@ class SpirvAtomic final : public utils::Castable<SpirvAtomic, Transform> {
/// Stub is an attribute applied to stub SPIR-V reader generated functions that need to be
/// translated to an atomic builtin.
class Stub final : public utils::Castable<Stub, ast::InternalAttribute> {
class Stub final : public utils::Castable<Stub, InternalAttribute> {
public:
/// @param pid the identifier of the program that owns this node
/// @param nid the unique node identifier
/// @param builtin the atomic builtin this stub represents
Stub(ProgramID pid, ast::NodeID nid, builtin::Function builtin);
Stub(ProgramID pid, NodeID nid, builtin::Function builtin);
/// Destructor
~Stub() override;

76
src/tint/ast/transform/std140.cc
View File

@ -102,7 +102,7 @@ struct Std140::State {
// Finally, replace all expression chains that used the authored types with those that
// correctly use the forked types.
ctx.ReplaceAll([&](const ast::Expression* expr) -> const ast::Expression* {
ctx.ReplaceAll([&](const Expression* expr) -> const Expression* {
if (auto access = AccessChainFor(expr)) {
if (!access->std140_mat_idx.has_value()) {
// loading a std140 type, which is not a whole or partial decomposed matrix
@ -230,7 +230,7 @@ struct Std140::State {
// Map of structure member in src of a matrix type, to list of decomposed column
// members in ctx.dst.
utils::Hashmap<const type::StructMember*, utils::Vector<const ast::StructMember*, 4>, 8>
utils::Hashmap<const type::StructMember*, utils::Vector<const StructMember*, 4>, 8>
std140_mat_members;
/// Describes a matrix that has been forked to a std140-structure holding the decomposed column
@ -284,7 +284,7 @@ struct Std140::State {
if (str && str->UsedAs(builtin::AddressSpace::kUniform)) {
// Should this uniform buffer be forked for std140 usage?
bool fork_std140 = false;
utils::Vector<const ast::StructMember*, 8> members;
utils::Vector<const StructMember*, 8> members;
for (auto* member : str->Members()) {
if (auto* mat = member->Type()->As<type::Matrix>()) {
// Is this member a matrix that needs decomposition for std140-layout?
@ -335,7 +335,7 @@ struct Std140::State {
// Create a new forked structure, and insert it just under the original
// structure.
auto name = b.Symbols().New(str->Name().Name() + "_std140");
auto* std140 = b.create<ast::Struct>(b.Ident(name), std::move(members),
auto* std140 = b.create<Struct>(b.Ident(name), std::move(members),
ctx.Clone(str->Declaration()->attributes));
ctx.InsertAfter(src->AST().GlobalDeclarations(), global, std140);
std140_structs.Add(str, name);
@ -349,7 +349,7 @@ struct Std140::State {
/// Populates the #std140_uniforms set.
void ReplaceUniformVarTypes() {
for (auto* global : src->AST().GlobalVariables()) {
if (auto* var = global->As<ast::Var>()) {
if (auto* var = global->As<Var>()) {
auto* v = sem.Get(var);
if (v->AddressSpace() == builtin::AddressSpace::kUniform) {
if (auto std140_ty = Std140Type(v->Type()->UnwrapRef())) {
@ -367,9 +367,7 @@ struct Std140::State {
/// @param str the structure that will hold the uniquely named member.
/// @param unsuffixed the common name prefix to use for the new members.
/// @param count the number of members that need to be created.
std::string PrefixForUniqueNames(const ast::Struct* str,
Symbol unsuffixed,
uint32_t count) const {
std::string PrefixForUniqueNames(const Struct* str, Symbol unsuffixed, uint32_t count) const {
auto prefix = unsuffixed.Name();
// Keep on inserting '_' between the unsuffixed name and the suffix numbers until the name
// is unique.
@ -400,14 +398,14 @@ struct Std140::State {
/// If the semantic type is not split for std140-layout, then nullptr is returned.
/// @note will construct new std140 structures to hold decomposed matrices, populating
/// #std140_mats.
ast::Type Std140Type(const type::Type* ty) {
Type Std140Type(const type::Type* ty) {
return Switch(
ty, //
[&](const type::Struct* str) {
if (auto std140 = std140_structs.Find(str)) {
return b.ty(*std140);
}
return ast::Type{};
return Type{};
},
[&](const type::Matrix* mat) {
if (MatrixNeedsDecomposing(mat)) {
@ -426,13 +424,13 @@ struct Std140::State {
});
return b.ty(std140_mat.name);
}
return ast::Type{};
return Type{};
},
[&](const type::Array* arr) {
if (auto std140 = Std140Type(arr->ElemType())) {
utils::Vector<const ast::Attribute*, 1> attrs;
utils::Vector<const Attribute*, 1> attrs;
if (!arr->IsStrideImplicit()) {
attrs.Push(b.create<ast::StrideAttribute>(arr->Stride()));
attrs.Push(b.create<StrideAttribute>(arr->Stride()));
}
auto count = arr->ConstantCount();
if (TINT_UNLIKELY(!count)) {
@ -446,7 +444,7 @@ struct Std140::State {
}
return b.ty.array(std140, b.Expr(u32(count.value())), std::move(attrs));
}
return ast::Type{};
return Type{};
});
}
@ -455,7 +453,7 @@ struct Std140::State {
/// @param align the alignment in bytes of the matrix.
/// @param size the size in bytes of the matrix.
/// @returns a vector of decomposed matrix column vectors as structure members (in ctx.dst).
utils::Vector<const ast::StructMember*, 4> DecomposedMatrixStructMembers(
utils::Vector<const StructMember*, 4> DecomposedMatrixStructMembers(
const type::Matrix* mat,
const std::string& name_prefix,
uint32_t align,
@ -463,9 +461,9 @@ struct Std140::State {
// Replace the member with column vectors.
const auto num_columns = mat->columns();
// Build a struct member for each column of the matrix
utils::Vector<const ast::StructMember*, 4> out;
utils::Vector<const StructMember*, 4> out;
for (uint32_t i = 0; i < num_columns; i++) {
utils::Vector<const ast::Attribute*, 1> attributes;
utils::Vector<const Attribute*, 1> attributes;
if ((i == 0) && mat->Align() != align) {
// The matrix was @align() annotated with a larger alignment
// than the natural alignment for the matrix. This extra padding
@ -493,7 +491,7 @@ struct Std140::State {
/// Walks the @p ast_expr, constructing and returning an AccessChain.
/// @returns an AccessChain if the expression is an access to a std140-forked uniform buffer,
/// otherwise returns a std::nullopt.
std::optional<AccessChain> AccessChainFor(const ast::Expression* ast_expr) {
std::optional<AccessChain> AccessChainFor(const Expression* ast_expr) {
auto* expr = sem.GetVal(ast_expr);
if (!expr) {
return std::nullopt;
@ -576,10 +574,10 @@ struct Std140::State {
[&](const sem::ValueExpression* e) {
// Walk past indirection and address-of unary ops.
return Switch(e->Declaration(), //
[&](const ast::UnaryOpExpression* u) {
[&](const UnaryOpExpression* u) {
switch (u->op) {
case ast::UnaryOp::kAddressOf:
case ast::UnaryOp::kIndirection:
case UnaryOp::kAddressOf:
case UnaryOp::kIndirection:
expr = sem.GetVal(u->expr);
return Action::kContinue;
default:
@ -660,8 +658,8 @@ struct Std140::State {
/// Generates and returns an expression that loads the value from a std140 uniform buffer,
/// converting the final result to a non-std140 type.
/// @param chain the access chain from a uniform buffer to the value to load.
const ast::Expression* LoadWithConvert(const AccessChain& chain) {
const ast::Expression* expr = nullptr;
const Expression* LoadWithConvert(const AccessChain& chain) {
const Expression* expr = nullptr;
const type::Type* ty = nullptr;
auto dynamic_index = [&](size_t idx) {
return ctx.Clone(chain.dynamic_indices[idx]->Declaration());
@ -678,7 +676,7 @@ struct Std140::State {
/// std140-forked type to the type @p ty. If @p expr is not a std140-forked type, then Convert()
/// will simply return @p expr.
/// @returns the converted value expression.
const ast::Expression* Convert(const type::Type* ty, const ast::Expression* expr) {
const Expression* Convert(const type::Type* ty, const Expression* expr) {
// Get an existing, or create a new function for converting the std140 type to ty.
auto fn = conv_fns.GetOrCreate(ty, [&] {
auto std140_ty = Std140Type(ty);
@ -690,20 +688,20 @@ struct Std140::State {
// The converter function takes a single argument of the std140 type.
auto* param = b.Param("val", std140_ty);
utils::Vector<const ast::Statement*, 3> stmts;
utils::Vector<const Statement*, 3> stmts;
Switch(
ty, //
[&](const type::Struct* str) {
// Convert each of the structure members using either a converter function
// call, or by reassembling a std140 matrix from column vector members.
utils::Vector<const ast::Expression*, 8> args;
utils::Vector<const Expression*, 8> args;
for (auto* member : str->Members()) {
if (auto col_members = std140_mat_members.Find(member)) {
// std140 decomposed matrix. Reassemble.
auto mat_ty = CreateASTTypeFor(ctx, member->Type());
auto mat_args =
utils::Transform(*col_members, [&](const ast::StructMember* m) {
utils::Transform(*col_members, [&](const StructMember* m) {
return b.MemberAccessor(param, m->name->symbol);
});
args.Push(b.Call(mat_ty, std::move(mat_args)));
@ -719,7 +717,7 @@ struct Std140::State {
// Reassemble a std140 matrix from the structure of column vector members.
auto std140_mat = std140_mats.Get(mat);
if (TINT_LIKELY(std140_mat)) {
utils::Vector<const ast::Expression*, 8> args;
utils::Vector<const Expression*, 8> args;
// std140 decomposed matrix. Reassemble.
auto mat_ty = CreateASTTypeFor(ctx, mat);
auto mat_args = utils::Transform(std140_mat->columns, [&](Symbol name) {
@ -782,7 +780,7 @@ struct Std140::State {
/// @param access the access chain from the uniform buffer to either the whole matrix or part of
/// the matrix (column, column-swizzle, or element).
/// @returns the loaded value expression.
const ast::Expression* LoadMatrixWithFn(const AccessChain& access) {
const Expression* LoadMatrixWithFn(const AccessChain& access) {
// Get an existing, or create a new function for loading the uniform buffer value.
// This function is keyed off the uniform buffer variable and the access chain.
auto fn = load_fns.GetOrCreate(LoadFnKey{access.var, access.indices}, [&] {
@ -810,14 +808,14 @@ struct Std140::State {
/// column-swizzle, or element).
/// @note The matrix column must be statically indexed to use this method.
/// @returns the loaded value expression.
const ast::Expression* LoadSubMatrixInline(const AccessChain& chain) {
const Expression* LoadSubMatrixInline(const AccessChain& chain) {
// Method for generating dynamic index expressions.
// As this is inline, we can just clone the expression.
auto dynamic_index = [&](size_t idx) {
return ctx.Clone(chain.dynamic_indices[idx]->Declaration());
};
const ast::Expression* expr = nullptr;
const Expression* expr = nullptr;
const type::Type* ty = nullptr;
// Build the expression up to, but not including the matrix member
@ -891,7 +889,7 @@ struct Std140::State {
std::string name = "load";
// The switch cases
utils::Vector<const ast::CaseStatement*, 4> cases;
utils::Vector<const CaseStatement*, 4> cases;
// The function return type.
const type::Type* ret_ty = nullptr;
@ -899,7 +897,7 @@ struct Std140::State {
// Build switch() cases for each column of the matrix
auto num_columns = chain.std140_mat_ty->columns();
for (uint32_t column_idx = 0; column_idx < num_columns; column_idx++) {
const ast::Expression* expr = nullptr;
const Expression* expr = nullptr;
const type::Type* ty = nullptr;
// Build the expression up to, but not including the matrix
@ -991,7 +989,7 @@ struct Std140::State {
return b.Expr(dynamic_index_params[idx]->name->symbol);
};
const ast::Expression* expr = nullptr;
const Expression* expr = nullptr;
const type::Type* ty = nullptr;
std::string name = "load";
@ -1005,13 +1003,13 @@ struct Std140::State {
name += "_" + access_name;
}
utils::Vector<const ast::Statement*, 2> stmts;
utils::Vector<const Statement*, 2> stmts;
// Create a temporary pointer to the structure that holds the matrix columns
auto* let = b.Let("s", b.AddressOf(expr));
stmts.Push(b.Decl(let));
utils::Vector<const ast::MemberAccessorExpression*, 4> columns;
utils::Vector<const MemberAccessorExpression*, 4> columns;
if (auto* str = tint::As<type::Struct>(ty)) {
// Structure member matrix. The columns are decomposed into the structure.
auto mat_member_idx = std::get<u32>(chain.indices[std140_mat_idx]);
@ -1053,7 +1051,7 @@ struct Std140::State {
/// Return type of BuildAccessExpr()
struct ExprTypeName {
/// The new, post-access expression
const ast::Expression* expr;
const Expression* expr;
/// The type of #expr
const type::Type* type;
/// A name segment which can be used to build sensible names for helper functions
@ -1067,11 +1065,11 @@ struct Std140::State {
/// @param dynamic_index a function that obtains the i'th dynamic index
/// @returns a ExprTypeName which holds the new expression, new type and a name segment which
/// can be used for creating helper function names.
ExprTypeName BuildAccessExpr(const ast::Expression* lhs,
ExprTypeName BuildAccessExpr(const Expression* lhs,
const type::Type* ty,
const AccessChain& chain,
size_t index,
std::function<const ast::Expression*(size_t)> dynamic_index) {
std::function<const Expression*(size_t)> dynamic_index) {
auto& access = chain.indices[index];
if (std::get_if<UniformVariable>(&access)) {

8
src/tint/ast/transform/substitute_override.cc
View File

@ -32,7 +32,7 @@ namespace {
bool ShouldRun(const Program* program) {
for (auto* node : program->AST().GlobalVariables()) {
if (node->Is<ast::Override>()) {
if (node->Is<Override>()) {
return true;
}
}
@ -61,12 +61,12 @@ Transform::ApplyResult SubstituteOverride::Apply(const Program* src,
return SkipTransform;
}
ctx.ReplaceAll([&](const ast::Override* w) -> const ast::Const* {
ctx.ReplaceAll([&](const Override* w) -> const Const* {
auto* sem = ctx.src->Sem().Get(w);
auto source = ctx.Clone(w->source);
auto sym = ctx.Clone(w->name->symbol);
ast::Type ty = w->type ? ctx.Clone(w->type) : ast::Type{};
Type ty = w->type ? ctx.Clone(w->type) : Type{};
// No replacement provided, just clone the override node as a const.
auto iter = data->map.find(sem->OverrideId());
@ -102,7 +102,7 @@ Transform::ApplyResult SubstituteOverride::Apply(const Program* src,
// If the object is not materialized, and the 'override' variable is turned to a 'const', the
// resulting type of the index may change. See: crbug.com/tint/1697.
ctx.ReplaceAll(
[&](const ast::IndexAccessorExpression* expr) -> const ast::IndexAccessorExpression* {
[&](const IndexAccessorExpression* expr) -> const IndexAccessorExpression* {
if (auto* sem = src->Sem().Get(expr)) {
if (auto* access = sem->UnwrapMaterialize()->As<sem::IndexAccessorExpression>()) {
if (access->Object()->UnwrapMaterialize()->Type()->HoldsAbstract() &&

20
src/tint/ast/transform/texture_1d_to_2d.cc
View File

@ -85,18 +85,18 @@ struct Texture1DTo2D::State {
return SkipTransform;
}
auto create_var = [&](const ast::Variable* v, ast::Type type) -> const ast::Variable* {
if (v->As<ast::Parameter>()) {
auto create_var = [&](const Variable* v, Type type) -> const Variable* {
if (v->As<Parameter>()) {
return ctx.dst->Param(ctx.Clone(v->name->symbol), type, ctx.Clone(v->attributes));
} else {
return ctx.dst->Var(ctx.Clone(v->name->symbol), type, ctx.Clone(v->attributes));
}
};
ctx.ReplaceAll([&](const ast::Variable* v) -> const ast::Variable* {
const ast::Variable* r = Switch(
ctx.ReplaceAll([&](const Variable* v) -> const Variable* {
const Variable* r = Switch(
sem.Get(v)->Type()->UnwrapRef(),
[&](const type::SampledTexture* tex) -> const ast::Variable* {
[&](const type::SampledTexture* tex) -> const Variable* {
if (tex->dim() == type::TextureDimension::k1d) {
auto type = ctx.dst->ty.sampled_texture(type::TextureDimension::k2d,
CreateASTTypeFor(ctx, tex->type()));
@ -105,7 +105,7 @@ struct Texture1DTo2D::State {
return nullptr;
}
},
[&](const type::StorageTexture* storage_tex) -> const ast::Variable* {
[&](const type::StorageTexture* storage_tex) -> const Variable* {
if (storage_tex->dim() == type::TextureDimension::k1d) {
auto type = ctx.dst->ty.storage_texture(type::TextureDimension::k2d,
storage_tex->texel_format(),
@ -119,7 +119,7 @@ struct Texture1DTo2D::State {
return r;
});
ctx.ReplaceAll([&](const ast::CallExpression* c) -> const ast::Expression* {
ctx.ReplaceAll([&](const CallExpression* c) -> const Expression* {
auto* call = sem.Get(c)->UnwrapMaterialize()->As<sem::Call>();
if (!call) {
return nullptr;
@ -141,7 +141,7 @@ struct Texture1DTo2D::State {
if (builtin->Type() == builtin::Function::kTextureDimensions) {
// If this textureDimensions() call is in a CallStatement, we can leave it
// unmodified since the return value will be dropped on the floor anyway.
if (call->Stmt()->Declaration()->Is<ast::CallStatement>()) {
if (call->Stmt()->Declaration()->Is<CallStatement>()) {
return nullptr;
}
auto* new_call = ctx.CloneWithoutTransform(c);
@ -153,14 +153,14 @@ struct Texture1DTo2D::State {
return nullptr;
}
utils::Vector<const ast::Expression*, 8> args;
utils::Vector<const Expression*, 8> args;
int index = 0;
for (auto* arg : c->args) {
if (index == coords_index) {
auto* ctype = call->Arguments()[static_cast<size_t>(coords_index)]->Type();
auto* coords = c->args[static_cast<size_t>(coords_index)];
const ast::LiteralExpression* half = nullptr;
const LiteralExpression* half = nullptr;
if (ctype->is_integer_scalar()) {
half = ctx.dst->Expr(0_a);
} else {

16
src/tint/ast/transform/transform.cc
View File

@ -60,23 +60,23 @@ Output Transform::Run(const Program* src, const DataMap& data /* = {} */) const
return output;
}
void Transform::RemoveStatement(CloneContext& ctx, const ast::Statement* stmt) {
void Transform::RemoveStatement(CloneContext& ctx, const Statement* stmt) {
auto* sem = ctx.src->Sem().Get(stmt);
if (auto* block = tint::As<sem::BlockStatement>(sem->Parent())) {
ctx.Remove(block->Declaration()->statements, stmt);
return;
}
if (TINT_LIKELY(tint::Is<sem::ForLoopStatement>(sem->Parent()))) {
ctx.Replace(stmt, static_cast<ast::Expression*>(nullptr));
ctx.Replace(stmt, static_cast<Expression*>(nullptr));
return;
}
TINT_ICE(Transform, ctx.dst->Diagnostics())
<< "unable to remove statement from parent of type " << sem->TypeInfo().name;
}
ast::Type Transform::CreateASTTypeFor(CloneContext& ctx, const type::Type* ty) {
Type Transform::CreateASTTypeFor(CloneContext& ctx, const type::Type* ty) {
if (ty->Is<type::Void>()) {
return ast::Type{};
return Type{};
}
if (ty->Is<type::I32>()) {
return ctx.dst->ty.i32();
@ -108,9 +108,9 @@ ast::Type Transform::CreateASTTypeFor(CloneContext& ctx, const type::Type* ty) {
}
if (auto* a = ty->As<type::Array>()) {
auto el = CreateASTTypeFor(ctx, a->ElemType());
utils::Vector<const ast::Attribute*, 1> attrs;
utils::Vector<const Attribute*, 1> attrs;
if (!a->IsStrideImplicit()) {
attrs.Push(ctx.dst->create<ast::StrideAttribute>(a->Stride()));
attrs.Push(ctx.dst->create<StrideAttribute>(a->Stride()));
}
if (a->Count()->Is<type::RuntimeArrayCount>()) {
return ctx.dst->ty.array(el, std::move(attrs));
@ -125,7 +125,7 @@ ast::Type Transform::CreateASTTypeFor(CloneContext& ctx, const type::Type* ty) {
// See crbug.com/tint/1764.
// Look for a type alias for this array.
for (auto* type_decl : ctx.src->AST().TypeDecls()) {
if (auto* alias = type_decl->As<ast::Alias>()) {
if (auto* alias = type_decl->As<Alias>()) {
if (ty == ctx.src->Sem().Get(alias)) {
// Alias found. Use the alias name to ensure types compare equal.
return ctx.dst->ty(ctx.Clone(alias->name->symbol));
@ -184,7 +184,7 @@ ast::Type Transform::CreateASTTypeFor(CloneContext& ctx, const type::Type* ty) {
}
TINT_UNREACHABLE(Transform, ctx.dst->Diagnostics())
<< "Unhandled type: " << ty->TypeInfo().name;
return ast::Type{};
return Type{};
}
} // namespace tint::ast::transform

8
src/tint/ast/transform/transform.h
View File

@ -181,11 +181,11 @@ class Transform : public utils::Castable<Transform> {
const DataMap& inputs,
DataMap& outputs) const = 0;
/// CreateASTTypeFor constructs new ast::Type that reconstructs the semantic type `ty`.
/// CreateASTTypeFor constructs new Type that reconstructs the semantic type `ty`.
/// @param ctx the clone context
/// @param ty the semantic type to reconstruct
/// @returns an ast::Type that when resolved, will produce the semantic type `ty`.
static ast::Type CreateASTTypeFor(CloneContext& ctx, const type::Type* ty);
/// @returns an Type that when resolved, will produce the semantic type `ty`.
static Type CreateASTTypeFor(CloneContext& ctx, const type::Type* ty);
protected:
/// Removes the statement `stmt` from the transformed program.
@ -193,7 +193,7 @@ class Transform : public utils::Castable<Transform> {
/// continuing of for-loops.
/// @param ctx the clone context
/// @param stmt the statement to remove when the program is cloned
static void RemoveStatement(CloneContext& ctx, const ast::Statement* stmt);
static void RemoveStatement(CloneContext& ctx, const Statement* stmt);
};
} // namespace tint::ast::transform

30
src/tint/ast/transform/transform_test.cc
View File

@ -32,7 +32,7 @@ struct CreateASTTypeForTest : public testing::Test, public Transform {
return SkipTransform;
}
ast::Type create(std::function<type::Type*(ProgramBuilder&)> create_sem_type) {
Type create(std::function<type::Type*(ProgramBuilder&)> create_sem_type) {
ProgramBuilder sem_type_builder;
auto* sem_type = create_sem_type(sem_type_builder);
Program program(std::move(sem_type_builder));
@ -44,9 +44,7 @@ struct CreateASTTypeForTest : public testing::Test, public Transform {
};
TEST_F(CreateASTTypeForTest, Basic) {
auto check = [&](ast::Type ty, const char* expect) {
ast::CheckIdentifier(ty->identifier, expect);
};
auto check = [&](Type ty, const char* expect) { CheckIdentifier(ty->identifier, expect); };
check(create([](ProgramBuilder& b) { return b.create<type::I32>(); }), "i32");
check(create([](ProgramBuilder& b) { return b.create<type::U32>(); }), "u32");
@ -61,14 +59,14 @@ TEST_F(CreateASTTypeForTest, Matrix) {
return b.create<type::Matrix>(column_type, 3u);
});
ast::CheckIdentifier(mat, ast::Template("mat3x2", "f32"));
CheckIdentifier(mat, Template("mat3x2", "f32"));
}
TEST_F(CreateASTTypeForTest, Vector) {
auto vec =
create([](ProgramBuilder& b) { return b.create<type::Vector>(b.create<type::F32>(), 2u); });
ast::CheckIdentifier(vec, ast::Template("vec2", "f32"));
CheckIdentifier(vec, Template("vec2", "f32"));
}
TEST_F(CreateASTTypeForTest, ArrayImplicitStride) {
@ -77,8 +75,8 @@ TEST_F(CreateASTTypeForTest, ArrayImplicitStride) {
4u, 4u, 32u, 32u);
});
ast::CheckIdentifier(arr, ast::Template("array", "f32", 2_u));
auto* tmpl_attr = arr->identifier->As<ast::TemplatedIdentifier>();
CheckIdentifier(arr, Template("array", "f32", 2_u));
auto* tmpl_attr = arr->identifier->As<TemplatedIdentifier>();
ASSERT_NE(tmpl_attr, nullptr);
EXPECT_TRUE(tmpl_attr->attributes.IsEmpty());
}
@ -88,12 +86,12 @@ TEST_F(CreateASTTypeForTest, ArrayNonImplicitStride) {
return b.create<type::Array>(b.create<type::F32>(), b.create<type::ConstantArrayCount>(2u),
4u, 4u, 64u, 32u);
});
ast::CheckIdentifier(arr, ast::Template("array", "f32", 2_u));
auto* tmpl_attr = arr->identifier->As<ast::TemplatedIdentifier>();
CheckIdentifier(arr, Template("array", "f32", 2_u));
auto* tmpl_attr = arr->identifier->As<TemplatedIdentifier>();
ASSERT_NE(tmpl_attr, nullptr);
ASSERT_EQ(tmpl_attr->attributes.Length(), 1u);
ASSERT_TRUE(tmpl_attr->attributes[0]->Is<ast::StrideAttribute>());
ASSERT_EQ(tmpl_attr->attributes[0]->As<ast::StrideAttribute>()->stride, 64u);
ASSERT_TRUE(tmpl_attr->attributes[0]->Is<StrideAttribute>());
ASSERT_EQ(tmpl_attr->attributes[0]->As<StrideAttribute>()->stride, 64u);
}
// crbug.com/tint/1764
@ -114,7 +112,7 @@ TEST_F(CreateASTTypeForTest, AliasedArrayWithComplexOverrideLength) {
CloneContext ctx(&ast_type_builder, &program, false);
auto ast_ty = CreateASTTypeFor(ctx, arr_ty);
ast::CheckIdentifier(ast_ty, "A");
CheckIdentifier(ast_ty, "A");
}
TEST_F(CreateASTTypeForTest, Struct) {
@ -124,7 +122,7 @@ TEST_F(CreateASTTypeForTest, Struct) {
4u /* size */, 4u /* size_no_padding */);
});
ast::CheckIdentifier(str, "S");
CheckIdentifier(str, "S");
}
TEST_F(CreateASTTypeForTest, PrivatePointer) {
@ -133,7 +131,7 @@ TEST_F(CreateASTTypeForTest, PrivatePointer) {
builtin::Access::kReadWrite);
});
ast::CheckIdentifier(ptr, ast::Template("ptr", "private", "i32"));
CheckIdentifier(ptr, Template("ptr", "private", "i32"));
}
TEST_F(CreateASTTypeForTest, StorageReadWritePointer) {
@ -142,7 +140,7 @@ TEST_F(CreateASTTypeForTest, StorageReadWritePointer) {
builtin::Access::kReadWrite);
});
ast::CheckIdentifier(ptr, ast::Template("ptr", "storage", "i32", "read_write"));
CheckIdentifier(ptr, Template("ptr", "storage", "i32", "read_write"));
}
} // namespace

14
src/tint/ast/transform/truncate_interstage_variables.cc
View File

@ -74,7 +74,7 @@ Transform::ApplyResult TruncateInterstageVariables::Apply(const Program* src,
continue;
}
if (func_ast->PipelineStage() != ast::PipelineStage::kVertex) {
if (func_ast->PipelineStage() != PipelineStage::kVertex) {
// Currently only vertex stage could have interstage output variables that need
// truncated.
continue;
@ -118,8 +118,8 @@ Transform::ApplyResult TruncateInterstageVariables::Apply(const Program* src,
old_shader_io_structs_to_new_struct_and_truncate_functions.GetOrCreate(str, [&] {
auto new_struct_sym = b.Symbols().New();
utils::Vector<const ast::StructMember*, 20> truncated_members;
utils::Vector<const ast::Expression*, 20> initializer_exprs;
utils::Vector<const StructMember*, 20> truncated_members;
utils::Vector<const Expression*, 20> initializer_exprs;
for (auto* member : str->Members()) {
if (omit_members.Contains(member)) {
@ -155,7 +155,7 @@ Transform::ApplyResult TruncateInterstageVariables::Apply(const Program* src,
// Replace return statements with new truncated shader IO struct
ctx.ReplaceAll(
[&](const ast::ReturnStatement* return_statement) -> const ast::ReturnStatement* {
[&](const ReturnStatement* return_statement) -> const ReturnStatement* {
auto* return_sem = sem.Get(return_statement);
if (auto mapping_fn_sym =
entry_point_functions_to_truncate_functions.Find(return_sem->Function())) {
@ -168,11 +168,11 @@ Transform::ApplyResult TruncateInterstageVariables::Apply(const Program* src,
// Remove IO attributes from old shader IO struct which is not used as entry point output
// anymore.
for (auto it : old_shader_io_structs_to_new_struct_and_truncate_functions) {
const ast::Struct* struct_ty = it.key->Declaration();
const Struct* struct_ty = it.key->Declaration();
for (auto* member : struct_ty->members) {
for (auto* attr : member->attributes) {
if (attr->IsAnyOf<ast::BuiltinAttribute, ast::LocationAttribute,
ast::InterpolateAttribute, ast::InvariantAttribute>()) {
if (attr->IsAnyOf<BuiltinAttribute, LocationAttribute, InterpolateAttribute,
InvariantAttribute>()) {
ctx.Remove(member->attributes, attr);
}
}

17
src/tint/ast/transform/unshadow.cc
View File

@ -50,29 +50,27 @@ struct Unshadow::State {
// Maps a variable to its new name.
utils::Hashmap<const sem::Variable*, Symbol, 8> renamed_to;
auto rename = [&](const sem::Variable* v) -> const ast::Variable* {
auto rename = [&](const sem::Variable* v) -> const Variable* {
auto* decl = v->Declaration();
auto name = decl->name->symbol.Name();
auto symbol = b.Symbols().New(name);
renamed_to.Add(v, symbol);
auto source = ctx.Clone(decl->source);
auto type = decl->type ? ctx.Clone(decl->type) : ast::Type{};
auto type = decl->type ? ctx.Clone(decl->type) : Type{};
auto* initializer = ctx.Clone(decl->initializer);
auto attributes = ctx.Clone(decl->attributes);
return Switch(
decl, //
[&](const ast::Var* var) {
[&](const Var* var) {
return b.Var(source, symbol, type, var->declared_address_space,
var->declared_access, initializer, attributes);
},
[&](const ast::Let*) {
return b.Let(source, symbol, type, initializer, attributes);
},
[&](const ast::Const*) {
[&](const Let*) { return b.Let(source, symbol, type, initializer, attributes); },
[&](const Const*) {
return b.Const(source, symbol, type, initializer, attributes);
},
[&](const ast::Parameter*) { //
[&](const Parameter*) { //
return b.Param(source, symbol, type, attributes);
},
[&](Default) {
@ -105,8 +103,7 @@ struct Unshadow::State {
return SkipTransform;
}
ctx.ReplaceAll(
[&](const ast::IdentifierExpression* ident) -> const tint::ast::IdentifierExpression* {
ctx.ReplaceAll([&](const IdentifierExpression* ident) -> const IdentifierExpression* {
if (auto* sem_ident = sem.GetVal(ident)) {
if (auto* user = sem_ident->Unwrap()->As<sem::VariableUser>()) {
if (auto renamed = renamed_to.Find(user->Variable())) {

4
src/tint/ast/transform/utils/get_insertion_point.cc
View File

@ -20,10 +20,10 @@
namespace tint::ast::transform::utils {
InsertionPoint GetInsertionPoint(CloneContext& ctx, const ast::Statement* stmt) {
InsertionPoint GetInsertionPoint(CloneContext& ctx, const Statement* stmt) {
auto& sem = ctx.src->Sem();
auto& diag = ctx.dst->Diagnostics();
using RetType = std::pair<const sem::BlockStatement*, const ast::Statement*>;
using RetType = std::pair<const sem::BlockStatement*, const Statement*>;
if (auto* sem_stmt = sem.Get(stmt)) {
auto* parent = sem_stmt->Parent();

4
src/tint/ast/transform/utils/get_insertion_point.h
View File

@ -24,7 +24,7 @@ namespace tint::ast::transform::utils {
/// InsertionPoint is a pair of the block (`first`) within which, and the
/// statement (`second`) before or after which to insert.
using InsertionPoint = std::pair<const sem::BlockStatement*, const ast::Statement*>;
using InsertionPoint = std::pair<const sem::BlockStatement*, const Statement*>;
/// For the input statement, returns the block and statement within that
/// block to insert before/after. If `stmt` is a for-loop continue statement,
@ -32,7 +32,7 @@ using InsertionPoint = std::pair<const sem::BlockStatement*, const ast::Statemen
/// @param ctx the clone context
/// @param stmt the statement to insert before or after
/// @return the insertion point
InsertionPoint GetInsertionPoint(CloneContext& ctx, const ast::Statement* stmt);
InsertionPoint GetInsertionPoint(CloneContext& ctx, const Statement* stmt);
} // namespace tint::ast::transform::utils

35
src/tint/ast/transform/utils/hoist_to_decl_before.cc
View File

@ -37,7 +37,7 @@ struct HoistToDeclBefore::State {
/// @copydoc HoistToDeclBefore::Add()
bool Add(const sem::ValueExpression* before_expr,
const ast::Expression* expr,
const Expression* expr,
VariableKind kind,
const char* decl_name) {
auto name = b.Symbols().New(decl_name);
@ -85,8 +85,8 @@ struct HoistToDeclBefore::State {
return true;
}
/// @copydoc HoistToDeclBefore::InsertBefore(const sem::Statement*, const ast::Statement*)
bool InsertBefore(const sem::Statement* before_stmt, const ast::Statement* stmt) {
/// @copydoc HoistToDeclBefore::InsertBefore(const sem::Statement*, const Statement*)
bool InsertBefore(const sem::Statement* before_stmt, const Statement* stmt) {
if (stmt) {
auto builder = [stmt] { return stmt; };
return InsertBeforeImpl(before_stmt, std::move(builder));
@ -99,8 +99,8 @@ struct HoistToDeclBefore::State {
return InsertBeforeImpl(before_stmt, std::move(builder));
}
/// @copydoc HoistToDeclBefore::Replace(const sem::Statement* what, const ast::Statement* with)
bool Replace(const sem::Statement* what, const ast::Statement* with) {
/// @copydoc HoistToDeclBefore::Replace(const sem::Statement* what, const Statement* with)
bool Replace(const sem::Statement* what, const Statement* with) {
auto builder = [with] { return with; };
return Replace(what, std::move(builder));
}
@ -145,7 +145,7 @@ struct HoistToDeclBefore::State {
utils::Hashmap<const sem::WhileStatement*, LoopInfo, 4> while_loops;
/// 'else if' statements that need to be decomposed to 'else {if}'
utils::Hashmap<const ast::IfStatement*, ElseIfInfo, 4> else_ifs;
utils::Hashmap<const IfStatement*, ElseIfInfo, 4> else_ifs;
template <size_t N>
static auto Build(const utils::Vector<StmtBuilder, N>& builders) {
@ -181,7 +181,7 @@ struct HoistToDeclBefore::State {
/// automatically called.
/// @warning the returned reference is invalid if this is called a second time, or the
/// #else_ifs map is mutated.
auto ElseIf(const ast::IfStatement* else_if) {
auto ElseIf(const IfStatement* else_if) {
if (else_ifs.IsEmpty()) {
RegisterElseIfTransform();
}
@ -190,7 +190,7 @@ struct HoistToDeclBefore::State {
/// Registers the handler for transforming for-loops based on the content of the #for_loops map.
void RegisterForLoopTransform() const {
ctx.ReplaceAll([&](const ast::ForLoopStatement* stmt) -> const ast::Statement* {
ctx.ReplaceAll([&](const ForLoopStatement* stmt) -> const Statement* {
auto& sem = ctx.src->Sem();
if (auto* fl = sem.Get(stmt)) {
@ -205,9 +205,9 @@ struct HoistToDeclBefore::State {
if (auto* cond = for_loop->condition) {
// !condition
auto* not_cond =
b.create<ast::UnaryOpExpression>(ast::UnaryOp::kNot, ctx.Clone(cond));
b.create<UnaryOpExpression>(UnaryOp::kNot, ctx.Clone(cond));
// { break; }
auto* break_body = b.Block(b.create<ast::BreakStatement>());
auto* break_body = b.Block(b.create<BreakStatement>());
// if (!condition) { break; }
body_stmts.Push(b.If(not_cond, break_body));
}
@ -215,7 +215,7 @@ struct HoistToDeclBefore::State {
body_stmts.Push(ctx.Clone(for_loop->body));
// Create the continuing block if there was one.
const ast::BlockStatement* continuing = nullptr;
const BlockStatement* continuing = nullptr;
if (auto* cont = for_loop->continuing) {
// Continuing block starts with any let declarations used by
// the continuing.
@ -249,7 +249,7 @@ struct HoistToDeclBefore::State {
/// map.
void RegisterWhileLoopTransform() const {
// At least one while needs to be transformed into a loop.
ctx.ReplaceAll([&](const ast::WhileStatement* stmt) -> const ast::Statement* {
ctx.ReplaceAll([&](const WhileStatement* stmt) -> const Statement* {
auto& sem = ctx.src->Sem();
if (auto* w = sem.Get(stmt)) {
@ -274,7 +274,7 @@ struct HoistToDeclBefore::State {
// Next emit the body
body_stmts.Push(ctx.Clone(while_loop->body));
const ast::BlockStatement* continuing = nullptr;
const BlockStatement* continuing = nullptr;
auto* body = b.Block(body_stmts);
auto* loop = b.Loop(body, continuing);
@ -289,7 +289,7 @@ struct HoistToDeclBefore::State {
/// map.
void RegisterElseIfTransform() const {
// Decompose 'else-if' statements into 'else { if }' blocks.
ctx.ReplaceAll([&](const ast::IfStatement* stmt) -> const ast::Statement* {
ctx.ReplaceAll([&](const IfStatement* stmt) -> const Statement* {
if (auto info = else_ifs.Find(stmt)) {
// Build the else block's body statements, starting with let decls for the
// conditional expression.
@ -412,14 +412,13 @@ HoistToDeclBefore::HoistToDeclBefore(CloneContext& ctx) : state_(std::make_uniqu
HoistToDeclBefore::~HoistToDeclBefore() {}
bool HoistToDeclBefore::Add(const sem::ValueExpression* before_expr,
const ast::Expression* expr,
const Expression* expr,
VariableKind kind,
const char* decl_name) {
return state_->Add(before_expr, expr, kind, decl_name);
}
bool HoistToDeclBefore::InsertBefore(const sem::Statement* before_stmt,
const ast::Statement* stmt) {
bool HoistToDeclBefore::InsertBefore(const sem::Statement* before_stmt, const Statement* stmt) {
return state_->InsertBefore(before_stmt, stmt);
}
@ -428,7 +427,7 @@ bool HoistToDeclBefore::InsertBefore(const sem::Statement* before_stmt,
return state_->InsertBefore(before_stmt, builder);
}
bool HoistToDeclBefore::Replace(const sem::Statement* what, const ast::Statement* with) {
bool HoistToDeclBefore::Replace(const sem::Statement* what, const Statement* with) {
return state_->Replace(what, with);
}

8
src/tint/ast/transform/utils/hoist_to_decl_before.h
View File

@ -36,7 +36,7 @@ class HoistToDeclBefore {
~HoistToDeclBefore();
/// StmtBuilder is a builder of an AST statement
using StmtBuilder = std::function<const ast::Statement*()>;
using StmtBuilder = std::function<const Statement*()>;
/// VariableKind is either a var, let or const
enum class VariableKind {
@ -53,7 +53,7 @@ class HoistToDeclBefore {
/// @param decl_name optional name to use for the variable/constant name
/// @return true on success
bool Add(const sem::ValueExpression* before_expr,
const ast::Expression* expr,
const Expression* expr,
VariableKind kind,
const char* decl_name = "");
@ -64,7 +64,7 @@ class HoistToDeclBefore {
/// @param before_stmt statement to insert @p stmt before
/// @param stmt statement to insert
/// @return true on success
bool InsertBefore(const sem::Statement* before_stmt, const ast::Statement* stmt);
bool InsertBefore(const sem::Statement* before_stmt, const Statement* stmt);
/// Inserts the returned statement of @p builder before @p before_stmt, possibly converting
/// 'for-loop's to 'loop's if necessary.
@ -81,7 +81,7 @@ class HoistToDeclBefore {
/// @param what the statement to replace
/// @param with the replacement statement
/// @return true on success
bool Replace(const sem::Statement* what, const ast::Statement* with);
bool Replace(const sem::Statement* what, const Statement* with);
/// Replaces the statement @p what with the statement returned by @p stmt, possibly converting
/// 'for-loop's to 'loop's if necessary.

16
src/tint/ast/transform/utils/hoist_to_decl_before_test.cc
View File

@ -628,7 +628,7 @@ TEST_F(HoistToDeclBeforeTest, InsertBefore_ForLoopCont) {
ProgramBuilder b;
b.Func("foo", utils::Empty, b.ty.void_(), utils::Empty);
auto* var = b.Decl(b.Var("a", b.Expr(1_i)));
auto* cont = b.CompoundAssign("a", b.Expr(1_i), ast::BinaryOp::kAdd);
auto* cont = b.CompoundAssign("a", b.Expr(1_i), BinaryOp::kAdd);
auto* s = b.For(nullptr, b.Expr(true), cont, b.Block());
b.Func("f", utils::Empty, b.ty.void_(), utils::Vector{var, s});
@ -637,7 +637,7 @@ TEST_F(HoistToDeclBeforeTest, InsertBefore_ForLoopCont) {
CloneContext ctx(&cloned_b, &original);
HoistToDeclBefore hoistToDeclBefore(ctx);
auto* before_stmt = ctx.src->Sem().Get(cont->As<ast::Statement>());
auto* before_stmt = ctx.src->Sem().Get(cont->As<Statement>());
auto* new_stmt = ctx.dst->CallStmt(ctx.dst->Call("foo"));
hoistToDeclBefore.InsertBefore(before_stmt, new_stmt);
@ -679,7 +679,7 @@ TEST_F(HoistToDeclBeforeTest, InsertBefore_ForLoopCont_Function) {
ProgramBuilder b;
b.Func("foo", utils::Empty, b.ty.void_(), utils::Empty);
auto* var = b.Decl(b.Var("a", b.Expr(1_i)));
auto* cont = b.CompoundAssign("a", b.Expr(1_i), ast::BinaryOp::kAdd);
auto* cont = b.CompoundAssign("a", b.Expr(1_i), BinaryOp::kAdd);
auto* s = b.For(nullptr, b.Expr(true), cont, b.Block());
b.Func("f", utils::Empty, b.ty.void_(), utils::Vector{var, s});
@ -688,7 +688,7 @@ TEST_F(HoistToDeclBeforeTest, InsertBefore_ForLoopCont_Function) {
CloneContext ctx(&cloned_b, &original);
HoistToDeclBefore hoistToDeclBefore(ctx);
auto* before_stmt = ctx.src->Sem().Get(cont->As<ast::Statement>());
auto* before_stmt = ctx.src->Sem().Get(cont->As<Statement>());
hoistToDeclBefore.InsertBefore(before_stmt,
[&] { return ctx.dst->CallStmt(ctx.dst->Call("foo")); });
@ -1048,7 +1048,7 @@ TEST_F(HoistToDeclBeforeTest, Replace_ForLoopCont) {
ProgramBuilder b;
b.Func("foo", utils::Empty, b.ty.void_(), utils::Empty);
auto* var = b.Decl(b.Var("a", b.Expr(1_i)));
auto* cont = b.CompoundAssign("a", b.Expr(1_i), ast::BinaryOp::kAdd);
auto* cont = b.CompoundAssign("a", b.Expr(1_i), BinaryOp::kAdd);
auto* s = b.For(nullptr, b.Expr(true), cont, b.Block());
b.Func("f", utils::Empty, b.ty.void_(), utils::Vector{var, s});
@ -1057,7 +1057,7 @@ TEST_F(HoistToDeclBeforeTest, Replace_ForLoopCont) {
CloneContext ctx(&cloned_b, &original);
HoistToDeclBefore hoistToDeclBefore(ctx);
auto* target_stmt = ctx.src->Sem().Get(cont->As<ast::Statement>());
auto* target_stmt = ctx.src->Sem().Get(cont->As<Statement>());
auto* new_stmt = ctx.dst->CallStmt(ctx.dst->Call("foo"));
hoistToDeclBefore.Replace(target_stmt, new_stmt);
@ -1098,7 +1098,7 @@ TEST_F(HoistToDeclBeforeTest, Replace_ForLoopCont_Function) {
ProgramBuilder b;
b.Func("foo", utils::Empty, b.ty.void_(), utils::Empty);
auto* var = b.Decl(b.Var("a", b.Expr(1_i)));
auto* cont = b.CompoundAssign("a", b.Expr(1_i), ast::BinaryOp::kAdd);
auto* cont = b.CompoundAssign("a", b.Expr(1_i), BinaryOp::kAdd);
auto* s = b.For(nullptr, b.Expr(true), cont, b.Block());
b.Func("f", utils::Empty, b.ty.void_(), utils::Vector{var, s});
@ -1107,7 +1107,7 @@ TEST_F(HoistToDeclBeforeTest, Replace_ForLoopCont_Function) {
CloneContext ctx(&cloned_b, &original);
HoistToDeclBefore hoistToDeclBefore(ctx);
auto* target_stmt = ctx.src->Sem().Get(cont->As<ast::Statement>());
auto* target_stmt = ctx.src->Sem().Get(cont->As<Statement>());
hoistToDeclBefore.Replace(target_stmt, [&] { return ctx.dst->CallStmt(ctx.dst->Call("foo")); });
ctx.Clone();

4
src/tint/ast/transform/var_for_dynamic_index.cc
View File

@ -37,7 +37,7 @@ Transform::ApplyResult VarForDynamicIndex::Apply(const Program* src,
// Extracts array and matrix values that are dynamically indexed to a
// temporary `var` local that is then indexed.
auto dynamic_index_to_var = [&](const ast::IndexAccessorExpression* access_expr) {
auto dynamic_index_to_var = [&](const IndexAccessorExpression* access_expr) {
auto* index_expr = access_expr->index;
auto* object_expr = access_expr->object;
auto& sem = src->Sem();
@ -62,7 +62,7 @@ Transform::ApplyResult VarForDynamicIndex::Apply(const Program* src,
bool index_accessor_found = false;
for (auto* node : src->ASTNodes().Objects()) {
if (auto* access_expr = node->As<ast::IndexAccessorExpression>()) {
if (auto* access_expr = node->As<IndexAccessorExpression>()) {
if (!dynamic_index_to_var(access_expr)) {
return Program(std::move(b));
}

4
src/tint/ast/transform/vectorize_matrix_conversions.cc
View File

@ -70,7 +70,7 @@ Transform::ApplyResult VectorizeMatrixConversions::Apply(const Program* src,
std::unordered_map<HelperFunctionKey, Symbol> matrix_convs;
ctx.ReplaceAll([&](const ast::CallExpression* expr) -> const ast::CallExpression* {
ctx.ReplaceAll([&](const CallExpression* expr) -> const CallExpression* {
auto* call = src->Sem().Get(expr)->UnwrapMaterialize()->As<sem::Call>();
auto* ty_conv = call->Target()->As<sem::ValueConversion>();
if (!ty_conv) {
@ -102,7 +102,7 @@ Transform::ApplyResult VectorizeMatrixConversions::Apply(const Program* src,
}
auto build_vectorized_conversion_expression = [&](auto&& src_expression_builder) {
utils::Vector<const ast::Expression*, 4> columns;
utils::Vector<const Expression*, 4> columns;
for (uint32_t c = 0; c < dst_type->columns(); c++) {
auto* src_matrix_expr = src_expression_builder();
auto* src_column_expr = b.IndexAccessor(src_matrix_expr, b.Expr(tint::AInt(c)));

6
src/tint/ast/transform/vectorize_scalar_matrix_initializers.cc
View File

@ -61,7 +61,7 @@ Transform::ApplyResult VectorizeScalarMatrixInitializers::Apply(const Program* s
std::unordered_map<const type::Matrix*, Symbol> scalar_inits;
ctx.ReplaceAll([&](const ast::CallExpression* expr) -> const ast::CallExpression* {
ctx.ReplaceAll([&](const CallExpression* expr) -> const CallExpression* {
auto* call = src->Sem().Get(expr)->UnwrapMaterialize()->As<sem::Call>();
auto* ty_init = call->Target()->As<sem::ValueConstructor>();
if (!ty_init) {
@ -91,9 +91,9 @@ Transform::ApplyResult VectorizeScalarMatrixInitializers::Apply(const Program* s
// Constructs a matrix using vector columns, with the elements constructed using the
// 'element(uint32_t c, uint32_t r)' callback.
auto build_mat = [&](auto&& element) {
utils::Vector<const ast::Expression*, 4> columns;
utils::Vector<const Expression*, 4> columns;
for (uint32_t c = 0; c < mat_type->columns(); c++) {
utils::Vector<const ast::Expression*, 4> row_values;
utils::Vector<const Expression*, 4> row_values;
for (uint32_t r = 0; r < mat_type->rows(); r++) {
row_values.Push(element(c, r));
}

66
src/tint/ast/transform/vertex_pulling.cc
View File

@ -238,9 +238,9 @@ struct VertexPulling::State {
/// @returns the new program or SkipTransform if the transform is not required
ApplyResult Run() {
// Find entry point
const ast::Function* func = nullptr;
const Function* func = nullptr;
for (auto* fn : src->AST().Functions()) {
if (fn->PipelineStage() == ast::PipelineStage::kVertex) {
if (fn->PipelineStage() == PipelineStage::kVertex) {
if (func != nullptr) {
b.Diagnostics().add_error(
diag::System::Transform,
@ -264,18 +264,18 @@ struct VertexPulling::State {
}
private:
/// LocationReplacement describes an ast::Variable replacement for a location input.
/// LocationReplacement describes an Variable replacement for a location input.
struct LocationReplacement {
/// The variable to replace in the source Program
ast::Variable* from;
Variable* from;
/// The replacement to use in the target ProgramBuilder
ast::Variable* to;
Variable* to;
};
/// LocationInfo describes an input location
struct LocationInfo {
/// A builder that builds the expression that resolves to the (transformed) input location
std::function<const ast::Expression*()> expr;
std::function<const Expression*()> expr;
/// The store type of the location variable
const type::Type* type;
};
@ -289,12 +289,12 @@ struct VertexPulling::State {
/// The clone context
CloneContext ctx = {&b, src, /* auto_clone_symbols */ true};
std::unordered_map<uint32_t, LocationInfo> location_info;
std::function<const ast::Expression*()> vertex_index_expr = nullptr;
std::function<const ast::Expression*()> instance_index_expr = nullptr;
std::function<const Expression*()> vertex_index_expr = nullptr;
std::function<const Expression*()> instance_index_expr = nullptr;
Symbol pulling_position_name;
Symbol struct_buffer_name;
std::unordered_map<uint32_t, Symbol> vertex_buffer_names;
utils::Vector<const ast::Parameter*, 8> new_function_parameters;
utils::Vector<const Parameter*, 8> new_function_parameters;
/// Generate the vertex buffer binding name
/// @param index index to append to buffer name
@ -331,11 +331,11 @@ struct VertexPulling::State {
}
/// Creates and returns the assignment to the variables from the buffers
const ast::BlockStatement* CreateVertexPullingPreamble() {
const BlockStatement* CreateVertexPullingPreamble() {
// Assign by looking at the vertex descriptor to find attributes with
// matching location.
utils::Vector<const ast::Statement*, 8> stmts;
utils::Vector<const Statement*, 8> stmts;
for (uint32_t buffer_idx = 0; buffer_idx < cfg.vertex_state.size(); ++buffer_idx) {
const VertexBufferLayoutDescriptor& buffer_layout = cfg.vertex_state[buffer_idx];
@ -399,7 +399,7 @@ struct VertexPulling::State {
// Convert the fetched scalar/vector if WGSL variable is of `f16` types
if (var_dt.base_type == BaseWGSLType::kF16) {
// The type of the same element number of base type of target WGSL variable
ast::Type loaded_data_target_type;
Type loaded_data_target_type;
if (fmt_dt.width == 1) {
loaded_data_target_type = b.ty.f16();
} else {
@ -433,7 +433,7 @@ struct VertexPulling::State {
// The components of result vector variable, initialized with type-converted
// loaded data vector.
utils::Vector<const ast::Expression*, 8> values{fetch};
utils::Vector<const Expression*, 8> values{fetch};
// Add padding elements. The result must be of vector types of signed/unsigned
// integer or float, so use the abstract integer or abstract float value to do
@ -470,7 +470,7 @@ struct VertexPulling::State {
/// @param offset the byte offset of the data from `buffer_base`
/// @param buffer the index of the vertex buffer
/// @param format the vertex format to read
const ast::Expression* Fetch(Symbol array_base,
const Expression* Fetch(Symbol array_base,
uint32_t offset,
uint32_t buffer,
VertexFormat format) {
@ -679,11 +679,11 @@ struct VertexPulling::State {
/// @param buffer the index of the vertex buffer
/// @param format VertexFormat::kUint32, VertexFormat::kSint32 or
/// VertexFormat::kFloat32
const ast::Expression* LoadPrimitive(Symbol array_base,
const Expression* LoadPrimitive(Symbol array_base,
uint32_t offset,
uint32_t buffer,
VertexFormat format) {
const ast::Expression* u = nullptr;
const Expression* u = nullptr;
if ((offset & 3) == 0) {
// Aligned load.
@ -734,14 +734,14 @@ struct VertexPulling::State {
/// @param base_type underlying AST type
/// @param base_format underlying vertex format
/// @param count how many elements the vector has
const ast::Expression* LoadVec(Symbol array_base,
const Expression* LoadVec(Symbol array_base,
uint32_t offset,
uint32_t buffer,
uint32_t element_stride,
ast::Type base_type,
Type base_type,
VertexFormat base_format,
uint32_t count) {
utils::Vector<const ast::Expression*, 8> expr_list;
utils::Vector<const Expression*, 8> expr_list;
for (uint32_t i = 0; i < count; ++i) {
// Offset read position by element_stride for each component
uint32_t primitive_offset = offset + element_stride * i;
@ -756,8 +756,8 @@ struct VertexPulling::State {
/// vertex_index and instance_index builtins if present.
/// @param func the entry point function
/// @param param the parameter to process
void ProcessNonStructParameter(const ast::Function* func, const ast::Parameter* param) {
if (ast::HasAttribute<ast::LocationAttribute>(param->attributes)) {
void ProcessNonStructParameter(const Function* func, const Parameter* param) {
if (HasAttribute<LocationAttribute>(param->attributes)) {
// Create a function-scope variable to replace the parameter.
auto func_var_sym = ctx.Clone(param->name->symbol);
auto func_var_type = ctx.Clone(param->type);
@ -776,7 +776,7 @@ struct VertexPulling::State {
}
location_info[sem->Location().value()] = info;
} else {
auto* builtin_attr = ast::GetAttribute<ast::BuiltinAttribute>(param->attributes);
auto* builtin_attr = GetAttribute<BuiltinAttribute>(param->attributes);
if (TINT_UNLIKELY(!builtin_attr)) {
TINT_ICE(Transform, b.Diagnostics()) << "Invalid entry point parameter";
return;
@ -804,21 +804,21 @@ struct VertexPulling::State {
/// @param func the entry point function
/// @param param the parameter to process
/// @param struct_ty the structure type
void ProcessStructParameter(const ast::Function* func,
const ast::Parameter* param,
const ast::Struct* struct_ty) {
void ProcessStructParameter(const Function* func,
const Parameter* param,
const Struct* struct_ty) {
auto param_sym = ctx.Clone(param->name->symbol);
// Process the struct members.
bool has_locations = false;
utils::Vector<const ast::StructMember*, 8> members_to_clone;
utils::Vector<const StructMember*, 8> members_to_clone;
for (auto* member : struct_ty->members) {
auto member_sym = ctx.Clone(member->name->symbol);
std::function<const ast::Expression*()> member_expr = [this, param_sym, member_sym]() {
std::function<const Expression*()> member_expr = [this, param_sym, member_sym]() {
return b.MemberAccessor(param_sym, member_sym);
};
if (ast::HasAttribute<ast::LocationAttribute>(member->attributes)) {
if (HasAttribute<LocationAttribute>(member->attributes)) {
// Capture mapping from location to struct member.
LocationInfo info;
info.expr = member_expr;
@ -830,7 +830,7 @@ struct VertexPulling::State {
location_info[sem->Attributes().location.value()] = info;
has_locations = true;
} else {
auto* builtin_attr = ast::GetAttribute<ast::BuiltinAttribute>(member->attributes);
auto* builtin_attr = GetAttribute<BuiltinAttribute>(member->attributes);
if (TINT_UNLIKELY(!builtin_attr)) {
TINT_ICE(Transform, b.Diagnostics()) << "Invalid entry point parameter";
return;
@ -858,7 +858,7 @@ struct VertexPulling::State {
if (!members_to_clone.IsEmpty()) {
// Create a new struct without the location attributes.
utils::Vector<const ast::StructMember*, 8> new_members;
utils::Vector<const StructMember*, 8> new_members;
for (auto* member : members_to_clone) {
auto member_name = ctx.Clone(member->name);
auto member_type = ctx.Clone(member->type);
@ -883,7 +883,7 @@ struct VertexPulling::State {
/// Process an entry point function.
/// @param func the entry point function
void Process(const ast::Function* func) {
void Process(const Function* func) {
if (func->body->Empty()) {
return;
}
@ -936,8 +936,8 @@ struct VertexPulling::State {
auto attrs = ctx.Clone(func->attributes);
auto ret_attrs = ctx.Clone(func->return_type_attributes);
auto* new_func =
b.create<ast::Function>(func->source, b.Ident(func_sym), new_function_parameters,
ret_type, body, std::move(attrs), std::move(ret_attrs));
b.create<Function>(func->source, b.Ident(func_sym), new_function_parameters, ret_type,
body, std::move(attrs), std::move(ret_attrs));
ctx.Replace(func, new_func);
}
};

8
src/tint/ast/transform/while_to_loop.cc
View File

@ -26,7 +26,7 @@ namespace {
bool ShouldRun(const Program* program) {
for (auto* node : program->ASTNodes().Objects()) {
if (node->Is<ast::WhileStatement>()) {
if (node->Is<WhileStatement>()) {
return true;
}
}
@ -47,8 +47,8 @@ Transform::ApplyResult WhileToLoop::Apply(const Program* src, const DataMap&, Da
ProgramBuilder b;
CloneContext ctx{&b, src, /* auto_clone_symbols */ true};
ctx.ReplaceAll([&](const ast::WhileStatement* w) -> const ast::Statement* {
utils::Vector<const ast::Statement*, 16> stmts;
ctx.ReplaceAll([&](const WhileStatement* w) -> const Statement* {
utils::Vector<const Statement*, 16> stmts;
auto* cond = w->condition;
// !condition
@ -64,7 +64,7 @@ Transform::ApplyResult WhileToLoop::Apply(const Program* src, const DataMap&, Da
stmts.Push(ctx.Clone(stmt));
}
const ast::BlockStatement* continuing = nullptr;
const BlockStatement* continuing = nullptr;
auto* body = b.Block(stmts);
auto* loop = b.Loop(body, continuing);

22
src/tint/ast/transform/zero_init_workgroup_memory.cc
View File

@ -36,7 +36,7 @@ namespace {
bool ShouldRun(const Program* program) {
for (auto* global : program->AST().GlobalVariables()) {
if (auto* var = global->As<ast::Var>()) {
if (auto* var = global->As<Var>()) {
auto* v = program->Sem().Get(var);
if (v->AddressSpace() == builtin::AddressSpace::kWorkgroup) {
return true;
@ -48,7 +48,7 @@ bool ShouldRun(const Program* program) {
} // namespace
using StatementList = utils::Vector<const ast::Statement*, 8>;
using StatementList = utils::Vector<const Statement*, 8>;
/// PIMPL state for the transform
struct ZeroInitWorkgroupMemory::State {
@ -132,10 +132,10 @@ struct ZeroInitWorkgroupMemory::State {
/// Run inserts the workgroup memory zero-initialization logic at the top of
/// the given function
/// @param fn a compute shader entry point function
void Run(const ast::Function* fn) {
void Run(const Function* fn) {
auto& sem = ctx.src->Sem();
CalculateWorkgroupSize(ast::GetAttribute<ast::WorkgroupAttribute>(fn->attributes));
CalculateWorkgroupSize(GetAttribute<WorkgroupAttribute>(fn->attributes));
// Generate a list of statements to zero initialize each of the
// workgroup storage variables used by `fn`. This will populate #statements.
@ -160,7 +160,7 @@ struct ZeroInitWorkgroupMemory::State {
// parameter
std::function<const ast::Expression*()> local_index;
for (auto* param : fn->params) {
if (auto* builtin_attr = ast::GetAttribute<ast::BuiltinAttribute>(param->attributes)) {
if (auto* builtin_attr = GetAttribute<BuiltinAttribute>(param->attributes)) {
auto builtin = sem.Get(builtin_attr)->Value();
if (builtin == builtin::BuiltinValue::kLocalInvocationIndex) {
local_index = [=] { return b.Expr(ctx.Clone(param->name->symbol)); };
@ -231,7 +231,7 @@ struct ZeroInitWorkgroupMemory::State {
// }
auto idx = b.Symbols().New("idx");
auto* init = b.Decl(b.Var(idx, b.ty.u32(), local_index()));
auto* cond = b.create<ast::BinaryExpression>(ast::BinaryOp::kLessThan, b.Expr(idx),
auto* cond = b.create<BinaryExpression>(BinaryOp::kLessThan, b.Expr(idx),
b.Expr(u32(num_iterations)));
auto* cont = b.Assign(
idx, b.Add(idx, workgroup_size_const ? b.Expr(u32(workgroup_size_const))
@ -251,8 +251,8 @@ struct ZeroInitWorkgroupMemory::State {
// if (local_index < num_iterations) {
// ...
// }
auto* cond = b.create<ast::BinaryExpression>(
ast::BinaryOp::kLessThan, local_index(), b.Expr(u32(num_iterations)));
auto* cond = b.create<BinaryExpression>(BinaryOp::kLessThan, local_index(),
b.Expr(u32(num_iterations)));
auto block = DeclareArrayIndices(num_iterations, array_indices,
[&] { return b.Expr(local_index()); });
for (auto& s : stmts) {
@ -382,7 +382,7 @@ struct ZeroInitWorkgroupMemory::State {
for (auto index : array_indices) {
auto name = array_index_names.at(index);
auto* mod = (num_iterations > index.modulo)
? b.create<ast::BinaryExpression>(ast::BinaryOp::kModulo, iteration(),
? b.create<BinaryExpression>(BinaryOp::kModulo, iteration(),
b.Expr(u32(index.modulo)))
: iteration();
auto* div = (index.division != 1u) ? b.Div(mod, u32(index.division)) : mod;
@ -395,7 +395,7 @@ struct ZeroInitWorkgroupMemory::State {
/// CalculateWorkgroupSize initializes the members #workgroup_size_const and
/// #workgroup_size_expr with the linear workgroup size.
/// @param attr the workgroup attribute applied to the entry point function
void CalculateWorkgroupSize(const ast::WorkgroupAttribute* attr) {
void CalculateWorkgroupSize(const WorkgroupAttribute* attr) {
bool is_signed = false;
workgroup_size_const = 1u;
workgroup_size_expr = nullptr;
@ -471,7 +471,7 @@ Transform::ApplyResult ZeroInitWorkgroupMemory::Apply(const Program* src,
CloneContext ctx{&b, src, /* auto_clone_symbols */ true};
for (auto* fn : src->AST().Functions()) {
if (fn->PipelineStage() == ast::PipelineStage::kCompute) {
if (fn->PipelineStage() == PipelineStage::kCompute) {
State{ctx}.Run(fn);
}
}