| // Copyright (c) 2019 Google LLC |
| // |
| // 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 "source/fuzz/transformation_add_dead_block.h" |
| #include "test/fuzz/fuzz_test_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace { |
| |
| TEST(TransformationAddDeadBlockTest, BasicTest) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpBranch %8 |
| %8 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_4; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| FactManager fact_manager; |
| |
| // Id 4 is already in use |
| ASSERT_FALSE(TransformationAddDeadBlock(4, 5, true, {}) |
| .IsApplicable(context.get(), fact_manager)); |
| |
| // Id 7 is not a block |
| ASSERT_FALSE(TransformationAddDeadBlock(100, 7, true, {}) |
| .IsApplicable(context.get(), fact_manager)); |
| |
| TransformationAddDeadBlock transformation(100, 5, true, {}); |
| ASSERT_TRUE(transformation.IsApplicable(context.get(), fact_manager)); |
| transformation.Apply(context.get(), &fact_manager); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| ASSERT_TRUE(fact_manager.IdIsDead(100)); |
| |
| std::string after_transformation = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeBool |
| %7 = OpConstantTrue %6 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpSelectionMerge %8 None |
| OpBranchConditional %7 %8 %100 |
| %100 = OpLabel |
| OpBranch %8 |
| %8 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| // TODO Target block must not be merge or continue |
| |
| // TODO Source block must not be loop head |
| |
| // TODO Target block can start with OpPhi; need to give suitable ids in that |
| // case |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |