tint: Minor no-op cleanup changes
Change-Id: I91ad6044e7809ed2deab0fbd4417da90c7870d81 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/99705 Commit-Queue: Ben Clayton <bclayton@chromium.org> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
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@ -2183,26 +2183,27 @@ sem::Expression* Resolver::MemberAccessor(const ast::MemberAccessorExpression* e
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auto* object = sem_.Get(expr->structure);
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auto* object = sem_.Get(expr->structure);
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auto* source_var = object->SourceVariable();
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auto* source_var = object->SourceVariable();
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const sem::Type* ret = nullptr;
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const sem::Type* ty = nullptr;
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utils::Vector<uint32_t, 4> swizzle;
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// Object may be a side-effecting expression (e.g. function call).
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// Object may be a side-effecting expression (e.g. function call).
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bool has_side_effects = object && object->HasSideEffects();
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bool has_side_effects = object && object->HasSideEffects();
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if (auto* str = storage_ty->As<sem::Struct>()) {
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return Switch(
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storage_ty, //
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[&](const sem::Struct* str) -> sem::Expression* {
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Mark(expr->member);
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Mark(expr->member);
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auto symbol = expr->member->symbol;
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auto symbol = expr->member->symbol;
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const sem::StructMember* member = nullptr;
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const sem::StructMember* member = nullptr;
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for (auto* m : str->Members()) {
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for (auto* m : str->Members()) {
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if (m->Name() == symbol) {
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if (m->Name() == symbol) {
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ret = m->Type();
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ty = m->Type();
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member = m;
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member = m;
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break;
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break;
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}
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}
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}
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}
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if (ret == nullptr) {
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if (ty == nullptr) {
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AddError("struct member " + builder_->Symbols().NameFor(symbol) + " not found",
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AddError("struct member " + builder_->Symbols().NameFor(symbol) + " not found",
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expr->source);
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expr->source);
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return nullptr;
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return nullptr;
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@ -2210,23 +2211,23 @@ sem::Expression* Resolver::MemberAccessor(const ast::MemberAccessorExpression* e
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// If we're extracting from a reference, we return a reference.
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// If we're extracting from a reference, we return a reference.
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if (auto* ref = structure->As<sem::Reference>()) {
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if (auto* ref = structure->As<sem::Reference>()) {
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ret = builder_->create<sem::Reference>(ret, ref->StorageClass(), ref->Access());
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ty = builder_->create<sem::Reference>(ty, ref->StorageClass(), ref->Access());
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}
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}
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const sem::Constant* val = nullptr;
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auto val = const_eval_.MemberAccess(object, member);
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if (auto r = const_eval_.MemberAccess(object, member)) {
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if (!val) {
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val = r.Get();
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} else {
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return nullptr;
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return nullptr;
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}
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}
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return builder_->create<sem::StructMemberAccess>(expr, ret, current_statement_, val, object,
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return builder_->create<sem::StructMemberAccess>(expr, ty, current_statement_,
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member, has_side_effects, source_var);
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val.Get(), object, member,
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}
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has_side_effects, source_var);
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},
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if (auto* vec = storage_ty->As<sem::Vector>()) {
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[&](const sem::Vector* vec) -> sem::Expression* {
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Mark(expr->member);
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Mark(expr->member);
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std::string s = builder_->Symbols().NameFor(expr->member->symbol);
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std::string s = builder_->Symbols().NameFor(expr->member->symbol);
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auto size = s.size();
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auto size = s.size();
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utils::Vector<uint32_t, 4> swizzle;
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swizzle.Reserve(s.size());
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swizzle.Reserve(s.size());
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for (auto c : s) {
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for (auto c : s) {
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@ -2276,28 +2277,30 @@ sem::Expression* Resolver::MemberAccessor(const ast::MemberAccessorExpression* e
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if (size == 1) {
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if (size == 1) {
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// A single element swizzle is just the type of the vector.
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// A single element swizzle is just the type of the vector.
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ret = vec->type();
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ty = vec->type();
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// If we're extracting from a reference, we return a reference.
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// If we're extracting from a reference, we return a reference.
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if (auto* ref = structure->As<sem::Reference>()) {
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if (auto* ref = structure->As<sem::Reference>()) {
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ret = builder_->create<sem::Reference>(ret, ref->StorageClass(), ref->Access());
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ty = builder_->create<sem::Reference>(ty, ref->StorageClass(), ref->Access());
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}
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}
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} else {
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} else {
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// The vector will have a number of components equal to the length of
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// The vector will have a number of components equal to the length of
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// the swizzle.
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// the swizzle.
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ret = builder_->create<sem::Vector>(vec->type(), static_cast<uint32_t>(size));
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ty = builder_->create<sem::Vector>(vec->type(), static_cast<uint32_t>(size));
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}
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if (auto r = const_eval_.Swizzle(ret, object, swizzle)) {
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auto* val = r.Get();
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return builder_->create<sem::Swizzle>(expr, ret, current_statement_, val, object,
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std::move(swizzle), has_side_effects, source_var);
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}
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}
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auto val = const_eval_.Swizzle(ty, object, swizzle);
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if (!val) {
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return nullptr;
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return nullptr;
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}
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}
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return builder_->create<sem::Swizzle>(expr, ty, current_statement_, val.Get(), object,
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std::move(swizzle), has_side_effects, source_var);
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},
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[&](Default) {
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AddError("invalid member accessor expression. Expected vector or struct, got '" +
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AddError("invalid member accessor expression. Expected vector or struct, got '" +
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sem_.TypeNameOf(storage_ty) + "'",
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sem_.TypeNameOf(storage_ty) + "'",
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expr->structure->source);
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expr->structure->source);
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return nullptr;
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return nullptr;
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});
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}
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}
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sem::Expression* Resolver::Binary(const ast::BinaryExpression* expr) {
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sem::Expression* Resolver::Binary(const ast::BinaryExpression* expr) {
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@ -145,7 +145,7 @@ void FirstIndexOffset::Run(CloneContext& ctx, const DataMap& inputs, DataMap& ou
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}
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}
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}
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}
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}
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}
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// Not interested in this experssion. Just clone.
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// Not interested in this expression. Just clone.
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return nullptr;
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return nullptr;
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});
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});
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}
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}
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@ -1743,31 +1743,15 @@ bool GeneratorImpl::EmitExpression(std::ostream& out, const ast::Expression* exp
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}
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}
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}
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}
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return Switch(
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return Switch(
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expr,
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expr, //
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[&](const ast::IndexAccessorExpression* a) { //
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[&](const ast::IndexAccessorExpression* a) { return EmitIndexAccessor(out, a); },
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return EmitIndexAccessor(out, a);
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[&](const ast::BinaryExpression* b) { return EmitBinary(out, b); },
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},
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[&](const ast::BitcastExpression* b) { return EmitBitcast(out, b); },
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[&](const ast::BinaryExpression* b) { //
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[&](const ast::CallExpression* c) { return EmitCall(out, c); },
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return EmitBinary(out, b);
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[&](const ast::IdentifierExpression* i) { return EmitIdentifier(out, i); },
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},
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[&](const ast::LiteralExpression* l) { return EmitLiteral(out, l); },
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[&](const ast::BitcastExpression* b) { //
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[&](const ast::MemberAccessorExpression* m) { return EmitMemberAccessor(out, m); },
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return EmitBitcast(out, b);
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[&](const ast::UnaryOpExpression* u) { return EmitUnaryOp(out, u); },
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},
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[&](const ast::CallExpression* c) { //
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return EmitCall(out, c);
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},
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[&](const ast::IdentifierExpression* i) { //
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return EmitIdentifier(out, i);
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},
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[&](const ast::LiteralExpression* l) { //
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return EmitLiteral(out, l);
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},
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[&](const ast::MemberAccessorExpression* m) { //
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return EmitMemberAccessor(out, m);
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},
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[&](const ast::UnaryOpExpression* u) { //
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return EmitUnaryOp(out, u);
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},
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[&](Default) { //
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[&](Default) { //
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diagnostics_.add_error(diag::System::Writer, "unknown expression type: " +
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diagnostics_.add_error(diag::System::Writer, "unknown expression type: " +
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std::string(expr->TypeInfo().name));
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std::string(expr->TypeInfo().name));
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@ -2631,32 +2631,16 @@ bool GeneratorImpl::EmitExpression(std::ostream& out, const ast::Expression* exp
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}
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}
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}
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}
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return Switch(
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return Switch(
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expr,
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expr, //
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[&](const ast::IndexAccessorExpression* a) { //
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[&](const ast::IndexAccessorExpression* a) { return EmitIndexAccessor(out, a); },
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return EmitIndexAccessor(out, a);
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[&](const ast::BinaryExpression* b) { return EmitBinary(out, b); },
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},
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[&](const ast::BitcastExpression* b) { return EmitBitcast(out, b); },
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[&](const ast::BinaryExpression* b) { //
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[&](const ast::CallExpression* c) { return EmitCall(out, c); },
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return EmitBinary(out, b);
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[&](const ast::IdentifierExpression* i) { return EmitIdentifier(out, i); },
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},
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[&](const ast::LiteralExpression* l) { return EmitLiteral(out, l); },
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[&](const ast::BitcastExpression* b) { //
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[&](const ast::MemberAccessorExpression* m) { return EmitMemberAccessor(out, m); },
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return EmitBitcast(out, b);
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[&](const ast::UnaryOpExpression* u) { return EmitUnaryOp(out, u); },
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},
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[&](Default) {
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[&](const ast::CallExpression* c) { //
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return EmitCall(out, c);
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},
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[&](const ast::IdentifierExpression* i) { //
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return EmitIdentifier(out, i);
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},
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[&](const ast::LiteralExpression* l) { //
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return EmitLiteral(out, l);
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},
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[&](const ast::MemberAccessorExpression* m) { //
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return EmitMemberAccessor(out, m);
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},
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[&](const ast::UnaryOpExpression* u) { //
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return EmitUnaryOp(out, u);
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},
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[&](Default) { //
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diagnostics_.add_error(diag::System::Writer, "unknown expression type: " +
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diagnostics_.add_error(diag::System::Writer, "unknown expression type: " +
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std::string(expr->TypeInfo().name));
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std::string(expr->TypeInfo().name));
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return false;
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return false;
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@ -1764,36 +1764,20 @@ bool GeneratorImpl::EmitLiteral(std::ostream& out, const ast::LiteralExpression*
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bool GeneratorImpl::EmitExpression(std::ostream& out, const ast::Expression* expr) {
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bool GeneratorImpl::EmitExpression(std::ostream& out, const ast::Expression* expr) {
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if (auto* sem = builder_.Sem().Get(expr)) {
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if (auto* sem = builder_.Sem().Get(expr)) {
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if (auto constant = sem->ConstantValue()) {
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if (auto* constant = sem->ConstantValue()) {
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return EmitConstant(out, constant);
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return EmitConstant(out, constant);
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}
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}
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}
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}
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return Switch(
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return Switch(
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expr,
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expr, //
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[&](const ast::IndexAccessorExpression* a) { //
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[&](const ast::IndexAccessorExpression* a) { return EmitIndexAccessor(out, a); },
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return EmitIndexAccessor(out, a);
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[&](const ast::BinaryExpression* b) { return EmitBinary(out, b); },
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},
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[&](const ast::BitcastExpression* b) { return EmitBitcast(out, b); },
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[&](const ast::BinaryExpression* b) { //
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[&](const ast::CallExpression* c) { return EmitCall(out, c); },
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return EmitBinary(out, b);
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[&](const ast::IdentifierExpression* i) { return EmitIdentifier(out, i); },
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},
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[&](const ast::LiteralExpression* l) { return EmitLiteral(out, l); },
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[&](const ast::BitcastExpression* b) { //
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[&](const ast::MemberAccessorExpression* m) { return EmitMemberAccessor(out, m); },
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return EmitBitcast(out, b);
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[&](const ast::UnaryOpExpression* u) { return EmitUnaryOp(out, u); },
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},
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[&](const ast::CallExpression* c) { //
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return EmitCall(out, c);
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},
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[&](const ast::IdentifierExpression* i) { //
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return EmitIdentifier(out, i);
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},
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[&](const ast::LiteralExpression* l) { //
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return EmitLiteral(out, l);
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},
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[&](const ast::MemberAccessorExpression* m) { //
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return EmitMemberAccessor(out, m);
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},
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[&](const ast::UnaryOpExpression* u) { //
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return EmitUnaryOp(out, u);
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},
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[&](Default) { //
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[&](Default) { //
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diagnostics_.add_error(diag::System::Writer, "unknown expression type: " +
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diagnostics_.add_error(diag::System::Writer, "unknown expression type: " +
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std::string(expr->TypeInfo().name));
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std::string(expr->TypeInfo().name));
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