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dawn-cmake/src/writer/spirv/builder_intrinsic_test.cc
dan sinclair a7c9391dc6 [spirv-writer] Support optional trailing return. 
This CL updates the SPIRV-Writer to inject an OpReturn as the trailing
statement in a function if the function does not end with a `discard` or
a `return` statement.

R=bclayton@google.com, dneto@google.com

Fixes: tint:302
Change-Id: I2e7c7beff15ad30c779c591bb75cf97fc0960bf7
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/33160
Reviewed-by: David Neto <dneto@google.com>
Commit-Queue: dan sinclair <dsinclair@chromium.org>
Auto-Submit: dan sinclair <dsinclair@chromium.org>
2020-11-18 18:25:30 +00:00

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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <memory>
#include "gtest/gtest.h"
#include "src/ast/builder.h"
#include "src/ast/call_expression.h"
#include "src/ast/float_literal.h"
#include "src/ast/identifier_expression.h"
#include "src/ast/member_accessor_expression.h"
#include "src/ast/scalar_constructor_expression.h"
#include "src/ast/sint_literal.h"
#include "src/ast/struct.h"
#include "src/ast/struct_member.h"
#include "src/ast/type/array_type.h"
#include "src/ast/type/bool_type.h"
#include "src/ast/type/depth_texture_type.h"
#include "src/ast/type/f32_type.h"
#include "src/ast/type/i32_type.h"
#include "src/ast/type/matrix_type.h"
#include "src/ast/type/multisampled_texture_type.h"
#include "src/ast/type/pointer_type.h"
#include "src/ast/type/sampled_texture_type.h"
#include "src/ast/type/sampler_type.h"
#include "src/ast/type/struct_type.h"
#include "src/ast/type/u32_type.h"
#include "src/ast/type/vector_type.h"
#include "src/ast/type/void_type.h"
#include "src/ast/type_constructor_expression.h"
#include "src/ast/uint_literal.h"
#include "src/ast/variable.h"
#include "src/context.h"
#include "src/type_determiner.h"
#include "src/writer/spirv/builder.h"
#include "src/writer/spirv/spv_dump.h"
namespace tint {
namespace writer {
namespace spirv {
namespace {
class IntrinsicBuilderTest : public ast::BuilderWithContext,
public testing::Test {
protected:
void OnVariableBuilt(ast::Variable* var) override {
td.RegisterVariableForTesting(var);
}
ast::Module mod;
TypeDeterminer td{ctx, &mod};
spirv::Builder b{ctx, &mod};
};
template <typename T>
class IntrinsicBuilderTestWithParam : public IntrinsicBuilderTest,
public testing::WithParamInterface<T> {};
struct IntrinsicData {
std::string name;
std::string op;
};
inline std::ostream& operator<<(std::ostream& out, IntrinsicData data) {
out << data.name;
return out;
}
using IntrinsicBoolTest = IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(IntrinsicBoolTest, Call_Bool) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.vec3<bool>());
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 6u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeBool
%3 = OpTypeVector %4 3
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%6 = )" + param.op +
" %4 %7\n");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
IntrinsicBoolTest,
testing::Values(IntrinsicData{"any", "OpAny"},
IntrinsicData{"all", "OpAll"}));
using IntrinsicFloatTest = IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(IntrinsicFloatTest, Call_Float_Scalar) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.f32);
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
%2 = OpTypePointer Private %3
%4 = OpConstantNull %3
%1 = OpVariable %2 Private %4
%6 = OpTypeBool
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%5 = )" + param.op +
" %6 %7\n");
}
TEST_P(IntrinsicFloatTest, Call_Float_Vector) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.vec3<f32>());
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 6u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
%3 = OpTypeVector %4 3
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
%8 = OpTypeBool
%7 = OpTypeVector %8 3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%9 = OpLoad %3 %1
%6 = )" + param.op +
" %7 %9\n");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
IntrinsicFloatTest,
testing::Values(IntrinsicData{"isNan", "OpIsNan"},
IntrinsicData{"isInf", "OpIsInf"}));
using IntrinsicIntTest = IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(IntrinsicIntTest, Call_SInt_Scalar) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.i32);
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1
%2 = OpTypePointer Private %3
%4 = OpConstantNull %3
%1 = OpVariable %2 Private %4
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%6 = OpLoad %3 %1
%5 = )" + param.op +
" %3 %6\n");
}
TEST_P(IntrinsicIntTest, Call_SInt_Vector) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.vec3<i32>());
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 6u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1
%3 = OpTypeVector %4 3
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%6 = )" + param.op +
" %3 %7\n");
}
TEST_P(IntrinsicIntTest, Call_UInt_Scalar) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.u32);
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 0
%2 = OpTypePointer Private %3
%4 = OpConstantNull %3
%1 = OpVariable %2 Private %4
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%6 = OpLoad %3 %1
%5 = )" + param.op +
" %3 %6\n");
}
TEST_P(IntrinsicIntTest, Call_UInt_Vector) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.vec3<u32>());
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 6u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0
%3 = OpTypeVector %4 3
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%6 = )" + param.op +
" %3 %7\n");
}
INSTANTIATE_TEST_SUITE_P(
IntrinsicBuilderTest,
IntrinsicIntTest,
testing::Values(IntrinsicData{"countOneBits", "OpBitCount"},
IntrinsicData{"reverseBits", "OpBitReverse"}));
TEST_F(IntrinsicBuilderTest, Call_Dot) {
auto* var = Var("v", ast::StorageClass::kPrivate, ty.vec3<f32>());
auto expr = Call("dot", "v", "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 6u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
%3 = OpTypeVector %4 3
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%8 = OpLoad %3 %1
%6 = OpDot %4 %7 %8
)");
}
using IntrinsicDeriveTest = IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(IntrinsicDeriveTest, Call_Derivative_Scalar) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.f32);
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32
%2 = OpTypePointer Private %3
%4 = OpConstantNull %3
%1 = OpVariable %2 Private %4
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%6 = OpLoad %3 %1
%5 = )" + param.op +
" %3 %6\n");
}
TEST_P(IntrinsicDeriveTest, Call_Derivative_Vector) {
auto param = GetParam();
auto* var = Var("v", ast::StorageClass::kPrivate, ty.vec3<f32>());
auto expr = Call(param.name, "v");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 6u) << b.error();
if (param.name != "dpdx" && param.name != "dpdy" && param.name != "fwidth") {
EXPECT_EQ(DumpInstructions(b.capabilities()),
R"(OpCapability DerivativeControl
)");
}
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
%3 = OpTypeVector %4 3
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%6 = )" + param.op +
" %3 %7\n");
}
INSTANTIATE_TEST_SUITE_P(
IntrinsicBuilderTest,
IntrinsicDeriveTest,
testing::Values(IntrinsicData{"dpdx", "OpDPdx"},
IntrinsicData{"dpdxFine", "OpDPdxFine"},
IntrinsicData{"dpdxCoarse", "OpDPdxCoarse"},
IntrinsicData{"dpdy", "OpDPdy"},
IntrinsicData{"dpdyFine", "OpDPdyFine"},
IntrinsicData{"dpdyCoarse", "OpDPdyCoarse"},
IntrinsicData{"fwidth", "OpFwidth"},
IntrinsicData{"fwidthFine", "OpFwidthFine"},
IntrinsicData{"fwidthCoarse", "OpFwidthCoarse"}));
TEST_F(IntrinsicBuilderTest, Call_OuterProduct) {
auto* v2 = Var("v2", ast::StorageClass::kPrivate, ty.vec2<f32>());
auto* v3 = Var("v3", ast::StorageClass::kPrivate, ty.vec3<f32>());
auto expr = Call("outerProduct", "v2", "v3");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(v2)) << b.error();
ASSERT_TRUE(b.GenerateGlobalVariable(v3)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 10u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
%3 = OpTypeVector %4 2
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
%8 = OpTypeVector %4 3
%7 = OpTypePointer Private %8
%9 = OpConstantNull %8
%6 = OpVariable %7 Private %9
%11 = OpTypeMatrix %3 3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%12 = OpLoad %3 %1
%13 = OpLoad %8 %6
%10 = OpOuterProduct %11 %12 %13
)");
}
TEST_F(IntrinsicBuilderTest, Call_Select) {
auto* v3 = Var("v3", ast::StorageClass::kPrivate, ty.vec3<f32>());
auto* bool_v3 = Var("bool_v3", ast::StorageClass::kPrivate, ty.vec3<bool>());
auto expr = Call("select", "v3", "v3", "bool_v3");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
b.push_function(Function{});
ASSERT_TRUE(b.GenerateGlobalVariable(v3)) << b.error();
ASSERT_TRUE(b.GenerateGlobalVariable(bool_v3)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 11u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
%3 = OpTypeVector %4 3
%2 = OpTypePointer Private %3
%5 = OpConstantNull %3
%1 = OpVariable %2 Private %5
%9 = OpTypeBool
%8 = OpTypeVector %9 3
%7 = OpTypePointer Private %8
%10 = OpConstantNull %8
%6 = OpVariable %7 Private %10
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%12 = OpLoad %3 %1
%13 = OpLoad %3 %1
%14 = OpLoad %8 %6
%11 = OpSelect %3 %12 %13 %14
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureLoad_Storage_RO_1d) {
ast::type::StorageTextureType s(ast::type::TextureDimension::k1d,
ast::AccessControl::kReadOnly,
ast::type::ImageFormat::kR16Float);
ASSERT_TRUE(td.DetermineStorageTextureSubtype(&s)) << td.error();
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto expr = Call("textureLoad", "texture", 1.0f, 2);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 1D 0 0 0 2 R16f
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%6 = OpTypeVector %4 4
%8 = OpConstant %4 1
%9 = OpTypeInt 32 1
%10 = OpConstant %9 2
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%5 = OpImageRead %6 %7 %8 Lod %10
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureLoad_Storage_RO_2d) {
ast::type::StorageTextureType s(ast::type::TextureDimension::k2d,
ast::AccessControl::kReadOnly,
ast::type::ImageFormat::kR16Float);
ASSERT_TRUE(td.DetermineStorageTextureSubtype(&s)) << td.error();
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto expr = Call("textureLoad", "texture", vec2<f32>(1.0f, 2.0f), 2);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 2D 0 0 0 2 R16f
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%6 = OpTypeVector %4 4
%8 = OpTypeVector %4 2
%9 = OpConstant %4 1
%10 = OpConstant %4 2
%11 = OpConstantComposite %8 %9 %10
%12 = OpTypeInt 32 1
%13 = OpConstant %12 2
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%5 = OpImageRead %6 %7 %11 Lod %13
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureLoad_Sampled_1d) {
ast::type::SampledTextureType s(ast::type::TextureDimension::k1d, ty.f32);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto expr = Call("textureLoad", "texture", 1.0f, 2);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 1D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%6 = OpTypeVector %4 4
%8 = OpConstant %4 1
%9 = OpTypeInt 32 1
%10 = OpConstant %9 2
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%5 = OpImageFetch %6 %7 %8 Lod %10
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureLoad_Sampled_2d) {
ast::type::SampledTextureType s(ast::type::TextureDimension::k2d, ty.f32);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto expr = Call("textureLoad", "texture", vec2<f32>(1.0f, 2.0f), 2);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 2D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%6 = OpTypeVector %4 4
%8 = OpTypeVector %4 2
%9 = OpConstant %4 1
%10 = OpConstant %4 2
%11 = OpConstantComposite %8 %9 %10
%12 = OpTypeInt 32 1
%13 = OpConstant %12 2
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%5 = OpImageFetch %6 %7 %11 Lod %13
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureLoad_Multisampled_2d) {
ast::type::MultisampledTextureType s(ast::type::TextureDimension::k2d,
ty.f32);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto expr = Call("textureLoad", "texture", vec2<f32>(1.0f, 2.0f), 2);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 2D 0 0 1 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%6 = OpTypeVector %4 4
%8 = OpTypeVector %4 2
%9 = OpConstant %4 1
%10 = OpConstant %4 2
%11 = OpConstantComposite %8 %9 %10
%12 = OpTypeInt 32 1
%13 = OpConstant %12 2
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%7 = OpLoad %3 %1
%5 = OpImageFetch %6 %7 %11 Sample %13
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureSample_1d) {
ast::type::SamplerType s(ast::type::SamplerKind::kSampler);
ast::type::SampledTextureType t(ast::type::TextureDimension::k1d, &s);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr = Call("textureSample", "texture", "sampler", 1.0f);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 7u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeSampler
%3 = OpTypeImage %4 1D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%6 = OpTypePointer Private %4
%5 = OpVariable %6 Private
%8 = OpTypeVector %4 4
%11 = OpTypeFloat 32
%12 = OpConstant %11 1
%13 = OpTypeSampledImage %3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%9 = OpLoad %3 %1
%10 = OpLoad %4 %5
%14 = OpSampledImage %13 %9 %10
%7 = OpImageSampleImplicitLod %8 %14 %12
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureSample_2d) {
ast::type::SamplerType s(ast::type::SamplerKind::kSampler);
ast::type::SampledTextureType t(ast::type::TextureDimension::k2d, &s);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr =
Call("textureSample", "texture", "sampler", vec2<f32>(1.0f, 2.0f));
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 7u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeSampler
%3 = OpTypeImage %4 2D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%6 = OpTypePointer Private %4
%5 = OpVariable %6 Private
%8 = OpTypeVector %4 4
%12 = OpTypeFloat 32
%11 = OpTypeVector %12 2
%13 = OpConstant %12 1
%14 = OpConstant %12 2
%15 = OpConstantComposite %11 %13 %14
%16 = OpTypeSampledImage %3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%9 = OpLoad %3 %1
%10 = OpLoad %4 %5
%17 = OpSampledImage %16 %9 %10
%7 = OpImageSampleImplicitLod %8 %17 %15
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureSampleLevel_1d) {
ast::type::SamplerType s(ast::type::SamplerKind::kSampler);
ast::type::SampledTextureType t(ast::type::TextureDimension::k1d, ty.f32);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr = Call("textureSampleLevel", "texture", "sampler", 1.0f, 2.0f);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 8u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 1D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%7 = OpTypeSampler
%6 = OpTypePointer Private %7
%5 = OpVariable %6 Private
%9 = OpTypeVector %4 4
%12 = OpConstant %4 1
%13 = OpConstant %4 2
%14 = OpTypeSampledImage %3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%10 = OpLoad %3 %1
%11 = OpLoad %7 %5
%15 = OpSampledImage %14 %10 %11
%8 = OpImageSampleExplicitLod %9 %15 %12 Lod %13
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureSampleLevel_2d) {
ast::type::SamplerType s(ast::type::SamplerKind::kSampler);
ast::type::SampledTextureType t(ast::type::TextureDimension::k2d, ty.f32);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr = Call("textureSampleLevel", "texture", "sampler",
vec2<f32>(1.0f, 2.0f), 2.0f);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 8u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 2D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%7 = OpTypeSampler
%6 = OpTypePointer Private %7
%5 = OpVariable %6 Private
%9 = OpTypeVector %4 4
%12 = OpTypeVector %4 2
%13 = OpConstant %4 1
%14 = OpConstant %4 2
%15 = OpConstantComposite %12 %13 %14
%16 = OpTypeSampledImage %3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%10 = OpLoad %3 %1
%11 = OpLoad %7 %5
%17 = OpSampledImage %16 %10 %11
%8 = OpImageSampleExplicitLod %9 %17 %15 Lod %14
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureSampleBias_1d) {
ast::type::SamplerType s(ast::type::SamplerKind::kSampler);
ast::type::SampledTextureType t(ast::type::TextureDimension::k1d, ty.f32);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr = Call("textureSampleBias", "texture", "sampler", 1.0f, 2.0f);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 8u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 1D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%7 = OpTypeSampler
%6 = OpTypePointer Private %7
%5 = OpVariable %6 Private
%9 = OpTypeVector %4 4
%12 = OpConstant %4 1
%13 = OpConstant %4 2
%14 = OpTypeSampledImage %3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%10 = OpLoad %3 %1
%11 = OpLoad %7 %5
%15 = OpSampledImage %14 %10 %11
%8 = OpImageSampleImplicitLod %9 %15 %12 Bias %13
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureSampleBias_2d) {
ast::type::SamplerType s(ast::type::SamplerKind::kSampler);
ast::type::SampledTextureType t(ast::type::TextureDimension::k1d, ty.f32);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr = Call("textureSampleBias", "texture", "sampler",
vec2<f32>(1.0f, 2.0f), 2.0f);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 8u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 1D 0 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%7 = OpTypeSampler
%6 = OpTypePointer Private %7
%5 = OpVariable %6 Private
%9 = OpTypeVector %4 4
%12 = OpTypeVector %4 2
%13 = OpConstant %4 1
%14 = OpConstant %4 2
%15 = OpConstantComposite %12 %13 %14
%16 = OpTypeSampledImage %3
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%10 = OpLoad %3 %1
%11 = OpLoad %7 %5
%17 = OpSampledImage %16 %10 %11
%8 = OpImageSampleImplicitLod %9 %17 %15 Bias %14
)");
}
TEST_F(IntrinsicBuilderTest, Call_TextureSampleCompare) {
ast::type::SamplerType s(ast::type::SamplerKind::kComparisonSampler);
ast::type::DepthTextureType t(ast::type::TextureDimension::k2d);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr = Call("textureSampleCompare", "texture", "sampler",
vec2<f32>(1.0f, 2.0f), 2.0f);
EXPECT_TRUE(td.DetermineResultType(&expr)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr), 8u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 2D 1 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%7 = OpTypeSampler
%6 = OpTypePointer Private %7
%5 = OpVariable %6 Private
%11 = OpTypeVector %4 2
%12 = OpConstant %4 1
%13 = OpConstant %4 2
%14 = OpConstantComposite %11 %12 %13
%15 = OpTypeSampledImage %3
%17 = OpConstant %4 0
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%9 = OpLoad %3 %1
%10 = OpLoad %7 %5
%16 = OpSampledImage %15 %9 %10
%8 = OpImageSampleDrefExplicitLod %4 %16 %14 %13 Lod %17
)");
}
// This tests that we do not push OpTypeSampledImage and float_0 type twice.
TEST_F(IntrinsicBuilderTest, Call_TextureSampleCompare_Twice) {
ast::type::SamplerType s(ast::type::SamplerKind::kComparisonSampler);
ast::type::DepthTextureType t(ast::type::TextureDimension::k2d);
b.push_function(Function{});
auto* tex = Var("texture", ast::StorageClass::kNone, &t);
ASSERT_TRUE(b.GenerateGlobalVariable(tex)) << b.error();
auto* sampler = Var("sampler", ast::StorageClass::kNone, &s);
ASSERT_TRUE(b.GenerateGlobalVariable(sampler)) << b.error();
auto expr1 = Call("textureSampleCompare", "texture", "sampler",
vec2<f32>(1.0f, 2.0f), 2.0f);
auto expr2 = Call("textureSampleCompare", "texture", "sampler",
vec2<f32>(1.0f, 2.0f), 2.0f);
EXPECT_TRUE(td.DetermineResultType(&expr1)) << td.error();
EXPECT_TRUE(td.DetermineResultType(&expr2)) << td.error();
EXPECT_EQ(b.GenerateExpression(&expr1), 8u) << b.error();
EXPECT_EQ(b.GenerateExpression(&expr2), 18u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeFloat 32
%3 = OpTypeImage %4 2D 1 0 0 1 Unknown
%2 = OpTypePointer Private %3
%1 = OpVariable %2 Private
%7 = OpTypeSampler
%6 = OpTypePointer Private %7
%5 = OpVariable %6 Private
%11 = OpTypeVector %4 2
%12 = OpConstant %4 1
%13 = OpConstant %4 2
%14 = OpConstantComposite %11 %12 %13
%15 = OpTypeSampledImage %3
%17 = OpConstant %4 0
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%9 = OpLoad %3 %1
%10 = OpLoad %7 %5
%16 = OpSampledImage %15 %9 %10
%8 = OpImageSampleDrefExplicitLod %4 %16 %14 %13 Lod %17
%19 = OpLoad %3 %1
%20 = OpLoad %7 %5
%21 = OpSampledImage %15 %19 %20
%18 = OpImageSampleDrefExplicitLod %4 %21 %14 %13 Lod %17
)");
}
TEST_F(IntrinsicBuilderTest, Call_GLSLMethod_WithLoad) {
auto* var = Var("ident", ast::StorageClass::kPrivate, ty.f32);
auto expr = Call("round", "ident");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 9u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%10 = OpExtInstImport "GLSL.std.450"
OpName %1 "tint_6964656e74"
OpName %7 "tint_615f66756e63"
%3 = OpTypeFloat 32
%2 = OpTypePointer Private %3
%4 = OpConstantNull %3
%1 = OpVariable %2 Private %4
%6 = OpTypeVoid
%5 = OpTypeFunction %6
%7 = OpFunction %6 None %5
%8 = OpLabel
%11 = OpLoad %3 %1
%9 = OpExtInst %3 %10 Round %11
OpReturn
OpFunctionEnd
)");
}
using Intrinsic_Builtin_SingleParam_Float_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_SingleParam_Float_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1.0f);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeFloat 32
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_SingleParam_Float_Test, Call_Vector) {
auto param = GetParam();
auto expr = Call(param.name, vec2<f32>(1.0f, 1.0f));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeFloat 32
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_SingleParam_Float_Test,
testing::Values(IntrinsicData{"abs", "FAbs"},
IntrinsicData{"acos", "Acos"},
IntrinsicData{"asin", "Asin"},
IntrinsicData{"atan", "Atan"},
IntrinsicData{"ceil", "Ceil"},
IntrinsicData{"cos", "Cos"},
IntrinsicData{"cosh", "Cosh"},
IntrinsicData{"exp", "Exp"},
IntrinsicData{"exp2", "Exp2"},
IntrinsicData{"floor", "Floor"},
IntrinsicData{"fract", "Fract"},
IntrinsicData{"inverseSqrt",
"InverseSqrt"},
IntrinsicData{"log", "Log"},
IntrinsicData{"log2", "Log2"},
IntrinsicData{"round", "Round"},
IntrinsicData{"sign", "FSign"},
IntrinsicData{"sin", "Sin"},
IntrinsicData{"sinh", "Sinh"},
IntrinsicData{"sqrt", "Sqrt"},
IntrinsicData{"tan", "Tan"},
IntrinsicData{"tanh", "Tanh"},
IntrinsicData{"trunc", "Trunc"}));
TEST_F(IntrinsicBuilderTest, Call_Length_Scalar) {
auto expr = Call("length", 1.0f);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeFloat 32
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 Length %8
OpReturn
OpFunctionEnd
)");
}
TEST_F(IntrinsicBuilderTest, Call_Length_Vector) {
auto expr = Call("length", vec2<f32>(1.0f, 1.0f));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeFloat 32
%8 = OpTypeVector %6 2
%9 = OpConstant %6 1
%10 = OpConstantComposite %8 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 Length %10
OpReturn
OpFunctionEnd
)");
}
TEST_F(IntrinsicBuilderTest, Call_Normalize) {
auto expr = Call("normalize", vec2<f32>(1.0f, 1.0f));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeFloat 32
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 Normalize %10
OpReturn
OpFunctionEnd
)");
}
using Intrinsic_Builtin_DualParam_Float_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_DualParam_Float_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1.0f, 1.0f);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeFloat 32
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8 %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_DualParam_Float_Test, Call_Vector) {
auto param = GetParam();
auto expr = Call(param.name, vec2<f32>(1.0f, 1.0f), vec2<f32>(1.0f, 1.0f));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeFloat 32
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10 %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_DualParam_Float_Test,
testing::Values(IntrinsicData{"atan2", "Atan2"},
IntrinsicData{"max", "NMax"},
IntrinsicData{"min", "NMin"},
IntrinsicData{"pow", "Pow"},
IntrinsicData{"reflect", "Reflect"},
IntrinsicData{"step", "Step"}));
TEST_F(IntrinsicBuilderTest, Call_Distance_Scalar) {
auto expr = Call("distance", 1.0f, 1.0f);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeFloat 32
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 Distance %8 %8
OpReturn
OpFunctionEnd
)");
}
TEST_F(IntrinsicBuilderTest, Call_Distance_Vector) {
auto expr = Call("distance", vec2<f32>(1.0f, 1.0f), vec2<f32>(1.0f, 1.0f));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeFloat 32
%8 = OpTypeVector %6 2
%9 = OpConstant %6 1
%10 = OpConstantComposite %8 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 Distance %10 %10
OpReturn
OpFunctionEnd
)");
}
TEST_F(IntrinsicBuilderTest, Call_Cross) {
auto expr =
Call("cross", vec3<f32>(1.0f, 1.0f, 1.0f), vec3<f32>(1.0f, 1.0f, 1.0f));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeFloat 32
%6 = OpTypeVector %7 3
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 Cross %10 %10
OpReturn
OpFunctionEnd
)");
}
using Intrinsic_Builtin_ThreeParam_Float_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_ThreeParam_Float_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1.0f, 1.0f, 1.0f);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeFloat 32
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8 %8 %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_ThreeParam_Float_Test, Call_Vector) {
auto param = GetParam();
auto expr = Call(param.name, vec2<f32>(1.0f, 1.0f), vec2<f32>(1.0f, 1.0f),
vec2<f32>(1.0f, 1.0f));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeFloat 32
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10 %10 %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(
IntrinsicBuilderTest,
Intrinsic_Builtin_ThreeParam_Float_Test,
testing::Values(IntrinsicData{"clamp", "NClamp"},
IntrinsicData{"faceForward", "FaceForward"},
IntrinsicData{"fma", "Fma"},
IntrinsicData{"mix", "FMix"},
IntrinsicData{"smoothStep", "SmoothStep"}));
using Intrinsic_Builtin_SingleParam_Sint_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_SingleParam_Sint_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_SingleParam_Sint_Test, Call_Vector) {
auto param = GetParam();
auto expr = Call(param.name, vec2<i32>(1, 1));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeInt 32 1
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_SingleParam_Sint_Test,
testing::Values(IntrinsicData{"abs", "SAbs"}));
using Intrinsic_Builtin_SingleParam_Uint_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_SingleParam_Uint_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1u);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_SingleParam_Uint_Test, Call_Vector) {
auto param = GetParam();
auto expr = Call(param.name, vec2<u32>(1u, 1u));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeInt 32 0
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_SingleParam_Uint_Test,
testing::Values(IntrinsicData{"abs", "SAbs"}));
using Intrinsic_Builtin_DualParam_SInt_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_DualParam_SInt_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1, 1);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8 %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_DualParam_SInt_Test, Call_Vector) {
auto param = GetParam();
auto expr = Call(param.name, vec2<i32>(1, 1), vec2<i32>(1, 1));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeInt 32 1
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10 %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_DualParam_SInt_Test,
testing::Values(IntrinsicData{"max", "SMax"},
IntrinsicData{"min", "SMin"}));
using Intrinsic_Builtin_DualParam_UInt_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_DualParam_UInt_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1u, 1u);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8 %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_DualParam_UInt_Test, Call_Vector) {
auto param = GetParam();
auto expr = Call(param.name, vec2<u32>(1u, 1u), vec2<u32>(1u, 1u));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeInt 32 0
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10 %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_DualParam_UInt_Test,
testing::Values(IntrinsicData{"max", "UMax"},
IntrinsicData{"min", "UMin"}));
using Intrinsic_Builtin_ThreeParam_Sint_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_ThreeParam_Sint_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1, 1, 1);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8 %8 %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_ThreeParam_Sint_Test, Call_Vector) {
auto param = GetParam();
auto expr =
Call(param.name, vec2<i32>(1, 1), vec2<i32>(1, 1), vec2<i32>(1, 1));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeInt 32 1
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10 %10 %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_ThreeParam_Sint_Test,
testing::Values(IntrinsicData{"clamp", "SClamp"}));
using Intrinsic_Builtin_ThreeParam_Uint_Test =
IntrinsicBuilderTestWithParam<IntrinsicData>;
TEST_P(Intrinsic_Builtin_ThreeParam_Uint_Test, Call_Scalar) {
auto param = GetParam();
auto expr = Call(param.name, 1u, 1u, 1u);
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%7 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%6 = OpTypeInt 32 0
%8 = OpConstant %6 1
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %7 )" + param.op +
R"( %8 %8 %8
OpReturn
OpFunctionEnd
)");
}
TEST_P(Intrinsic_Builtin_ThreeParam_Uint_Test, Call_Vector) {
auto param = GetParam();
auto expr =
Call(param.name, vec2<u32>(1u, 1u), vec2<u32>(1u, 1u), vec2<u32>(1u, 1u));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 5u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%8 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%7 = OpTypeInt 32 0
%6 = OpTypeVector %7 2
%9 = OpConstant %7 1
%10 = OpConstantComposite %6 %9 %9
%3 = OpFunction %2 None %1
%4 = OpLabel
%5 = OpExtInst %6 %8 )" + param.op +
R"( %10 %10 %10
OpReturn
OpFunctionEnd
)");
}
INSTANTIATE_TEST_SUITE_P(IntrinsicBuilderTest,
Intrinsic_Builtin_ThreeParam_Uint_Test,
testing::Values(IntrinsicData{"clamp", "UClamp"}));
TEST_F(IntrinsicBuilderTest, Call_Determinant) {
auto* var = Var("var", ast::StorageClass::kPrivate, ty.mat3x3<f32>());
auto expr = Call("determinant", "var");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateCallExpression(&expr), 11u) << b.error();
EXPECT_EQ(DumpBuilder(b), R"(%12 = OpExtInstImport "GLSL.std.450"
OpName %3 "tint_615f66756e63"
OpName %5 "tint_766172"
%2 = OpTypeVoid
%1 = OpTypeFunction %2
%9 = OpTypeFloat 32
%8 = OpTypeVector %9 3
%7 = OpTypeMatrix %8 3
%6 = OpTypePointer Private %7
%10 = OpConstantNull %7
%5 = OpVariable %6 Private %10
%3 = OpFunction %2 None %1
%4 = OpLabel
%13 = OpLoad %7 %5
%11 = OpExtInst %9 %12 Determinant %13
OpReturn
OpFunctionEnd
)");
}
TEST_F(IntrinsicBuilderTest, Call_ArrayLength) {
ast::StructMemberDecorationList decos;
ast::StructMemberList members;
members.push_back(create<ast::StructMember>("a", ty.array<f32>(), decos));
auto* s = create<ast::Struct>(members);
ast::type::StructType s_type("my_struct", s);
auto* var = Var("b", ast::StorageClass::kPrivate, &s_type);
auto expr = Call("arrayLength",
create<ast::MemberAccessorExpression>(Expr("b"), Expr("a")));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateExpression(&expr), 11u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%2 = OpTypeVoid
%1 = OpTypeFunction %2
%9 = OpTypeFloat 32
%8 = OpTypeRuntimeArray %9
%7 = OpTypeStruct %8
%6 = OpTypePointer Private %7
%10 = OpConstantNull %7
%5 = OpVariable %6 Private %10
%12 = OpTypeInt 32 0
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%11 = OpArrayLength %12 %5 0
)");
}
TEST_F(IntrinsicBuilderTest, Call_ArrayLength_OtherMembersInStruct) {
ast::StructMemberDecorationList decos;
ast::StructMemberList members;
members.push_back(create<ast::StructMember>("z", ty.f32, decos));
members.push_back(create<ast::StructMember>("a", ty.array<f32>(), decos));
auto* s = create<ast::Struct>(members);
ast::type::StructType s_type("my_struct", s);
auto* var = Var("b", ast::StorageClass::kPrivate, &s_type);
auto expr = Call("arrayLength",
create<ast::MemberAccessorExpression>(Expr("b"), Expr("a")));
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateExpression(&expr), 11u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()),
R"(%2 = OpTypeVoid
%1 = OpTypeFunction %2
%8 = OpTypeFloat 32
%9 = OpTypeRuntimeArray %8
%7 = OpTypeStruct %8 %9
%6 = OpTypePointer Private %7
%10 = OpConstantNull %7
%5 = OpVariable %6 Private %10
%12 = OpTypeInt 32 0
)");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%11 = OpArrayLength %12 %5 1
)");
}
// TODO(dsinclair): https://bugs.chromium.org/p/tint/issues/detail?id=266
TEST_F(IntrinsicBuilderTest, DISABLED_Call_ArrayLength_Ptr) {
ast::type::PointerType ptr(ty.array<f32>(),
ast::StorageClass::kStorageBuffer);
ast::StructMemberDecorationList decos;
ast::StructMemberList members;
members.push_back(create<ast::StructMember>("z", ty.f32, decos));
members.push_back(create<ast::StructMember>("a", ty.array<f32>(), decos));
auto* s = create<ast::Struct>(members);
ast::type::StructType s_type("my_struct", s);
auto* var = Var("b", ast::StorageClass::kPrivate, &s_type);
auto* ptr_var = Var("ptr_var", ast::StorageClass::kPrivate, &ptr);
ptr_var->set_constructor(
create<ast::MemberAccessorExpression>(Expr("b"), Expr("a")));
auto expr = Call("arrayLength", "ptr_var");
ASSERT_TRUE(td.DetermineResultType(&expr)) << td.error();
ast::Function func("a_func", {}, ty.void_, create<ast::BlockStatement>());
ASSERT_TRUE(b.GenerateFunction(&func)) << b.error();
ASSERT_TRUE(b.GenerateGlobalVariable(var)) << b.error();
EXPECT_EQ(b.GenerateExpression(&expr), 11u) << b.error();
EXPECT_EQ(DumpInstructions(b.types()), R"( ... )");
EXPECT_EQ(DumpInstructions(b.functions()[0].instructions()),
R"(%11 = OpArrayLength %12 %5 1
)");
}
} // namespace
} // namespace spirv
} // namespace writer
} // namespace tint
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