| // Copyright 2023 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. |
| |
| #ifndef SRC_TINT_LANG_CORE_IR_TRANSFORM_TEST_HELPER_H_ |
| #define SRC_TINT_LANG_CORE_IR_TRANSFORM_TEST_HELPER_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "gtest/gtest.h" |
| #include "src/tint/lang/core/ir/builder.h" |
| #include "src/tint/lang/core/ir/disassembler.h" |
| #include "src/tint/lang/core/ir/transform/transform.h" |
| #include "src/tint/lang/core/ir/validator.h" |
| #include "src/tint/transform/manager.h" |
| |
| namespace tint::ir::transform { |
| |
| /// Helper class for testing IR transforms. |
| template <typename BASE> |
| class TransformTestBase : public BASE { |
| public: |
| /// Transforms the module, using transforms in `TRANSFORMS`. |
| /// @param data the optional Transform::DataMap to pass to Transform::Run() |
| /// @returns the transform outputs, if any |
| template <typename... TRANSFORMS> |
| Transform::DataMap Run(const Transform::DataMap& data = {}) { |
| tint::transform::Manager manager; |
| tint::transform::DataMap outputs; |
| |
| // Validate the input IR. |
| { |
| auto res = ir::Validate(mod); |
| EXPECT_TRUE(res) << res.Failure().str(); |
| if (!res) { |
| return outputs; |
| } |
| } |
| |
| // Run the transforms. |
| for (auto* transform_ptr : std::initializer_list<Transform*>{new TRANSFORMS()...}) { |
| manager.append(std::unique_ptr<Transform>(transform_ptr)); |
| } |
| manager.Run(&mod, data, outputs); |
| |
| // Validate the output IR. |
| { |
| auto res = ir::Validate(mod); |
| EXPECT_TRUE(res) << res.Failure().str(); |
| } |
| |
| return outputs; |
| } |
| |
| /// @returns the transformed module as a disassembled string |
| std::string str() { |
| ir::Disassembler dis(mod); |
| return "\n" + dis.Disassemble(); |
| } |
| |
| protected: |
| /// The test IR module. |
| ir::Module mod; |
| /// The test IR builder. |
| ir::Builder b{mod}; |
| /// The type manager. |
| type::Manager& ty{mod.Types()}; |
| }; |
| |
| using TransformTest = TransformTestBase<testing::Test>; |
| |
| template <typename T> |
| using TransformTestWithParam = TransformTestBase<testing::TestWithParam<T>>; |
| |
| } // namespace tint::ir::transform |
| |
| #endif // SRC_TINT_LANG_CORE_IR_TRANSFORM_TEST_HELPER_H_ |