142 lines
5.0 KiB
C++
142 lines
5.0 KiB
C++
// Copyright 2023 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_TINT_WRITER_SPIRV_IR_TEST_HELPER_IR_H_
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#define SRC_TINT_WRITER_SPIRV_IR_TEST_HELPER_IR_H_
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#include <string>
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#include "gtest/gtest.h"
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#include "src/tint/ir/builder.h"
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#include "src/tint/writer/spirv/ir/generator_impl_ir.h"
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#include "src/tint/writer/spirv/spv_dump.h"
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namespace tint::writer::spirv {
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/// The element type of a test.
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enum TestElementType {
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kBool,
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kI32,
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kU32,
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kF32,
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kF16,
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};
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/// Base helper class for testing the SPIR-V generator implementation.
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template <typename BASE>
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class SpvGeneratorTestHelperBase : public BASE {
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public:
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SpvGeneratorTestHelperBase() : generator_(&mod, false) {}
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/// The test module
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ir::Module mod;
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/// The test builder
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ir::Builder b{mod};
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protected:
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/// The SPIR-V generator.
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GeneratorImplIr generator_;
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/// @returns the disassembled types from the generated module.
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std::string DumpTypes() { return DumpInstructions(generator_.Module().Types()); }
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/// Helper to make a scalar type corresponding to the element type `ty`.
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/// @param ty the element type
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/// @returns the scalar type
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const type::Type* MakeScalarType(TestElementType ty) {
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switch (ty) {
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case kBool:
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return mod.Types().bool_();
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case kI32:
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return mod.Types().i32();
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case kU32:
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return mod.Types().u32();
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case kF32:
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return mod.Types().f32();
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case kF16:
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return mod.Types().f16();
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}
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return nullptr;
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}
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/// Helper to make a vector type corresponding to the element type `ty`.
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/// @param ty the element type
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/// @returns the vector type
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const type::Type* MakeVectorType(TestElementType ty) {
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return mod.Types().vec2(MakeScalarType(ty));
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}
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/// Helper to make a scalar value with the scalar type `ty`.
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/// @param ty the element type
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/// @returns the scalar value
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ir::Value* MakeScalarValue(TestElementType ty) {
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switch (ty) {
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case kBool:
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return b.Constant(true);
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case kI32:
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return b.Constant(i32(1));
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case kU32:
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return b.Constant(u32(1));
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case kF32:
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return b.Constant(f32(1));
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case kF16:
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return b.Constant(f16(1));
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}
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return nullptr;
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}
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/// Helper to make a vector value with an element type of `ty`.
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/// @param ty the element type
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/// @returns the vector value
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ir::Value* MakeVectorValue(TestElementType ty) {
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switch (ty) {
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case kBool:
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return b.Constant(mod.constant_values.Composite(
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MakeVectorType(ty),
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utils::Vector<const constant::Value*, 2>{mod.constant_values.Get(true),
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mod.constant_values.Get(false)}));
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case kI32:
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return b.Constant(mod.constant_values.Composite(
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MakeVectorType(ty),
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utils::Vector<const constant::Value*, 2>{mod.constant_values.Get(i32(42)),
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mod.constant_values.Get(i32(-10))}));
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case kU32:
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return b.Constant(mod.constant_values.Composite(
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MakeVectorType(ty),
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utils::Vector<const constant::Value*, 2>{mod.constant_values.Get(u32(42)),
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mod.constant_values.Get(u32(10))}));
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case kF32:
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return b.Constant(mod.constant_values.Composite(
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MakeVectorType(ty),
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utils::Vector<const constant::Value*, 2>{mod.constant_values.Get(f32(42)),
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mod.constant_values.Get(f32(-0.5))}));
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case kF16:
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return b.Constant(mod.constant_values.Composite(
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MakeVectorType(ty),
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utils::Vector<const constant::Value*, 2>{mod.constant_values.Get(f16(42)),
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mod.constant_values.Get(f16(-0.5))}));
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}
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return nullptr;
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}
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};
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using SpvGeneratorImplTest = SpvGeneratorTestHelperBase<testing::Test>;
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template <typename T>
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using SpvGeneratorImplTestWithParam = SpvGeneratorTestHelperBase<testing::TestWithParam<T>>;
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} // namespace tint::writer::spirv
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#endif // SRC_TINT_WRITER_SPIRV_IR_TEST_HELPER_IR_H_
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