| // Copyright (c) 2020 Vasyl Teliman |
| // |
| // 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_permute_phi_operands.h" |
| #include "test/fuzz/fuzz_test_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace { |
| |
| TEST(TransformationPermutePhiOperandsTest, 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 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpConstant %6 0 |
| %11 = OpConstant %6 1 |
| %14 = OpTypeBool |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %10 = OpVariable %7 Function |
| OpStore %8 %9 |
| OpStore %10 %11 |
| %12 = OpLoad %6 %8 |
| %13 = OpLoad %6 %10 |
| %15 = OpSLessThan %14 %12 %13 |
| OpSelectionMerge %17 None |
| OpBranchConditional %15 %16 %21 |
| %16 = OpLabel |
| %18 = OpLoad %6 %10 |
| %19 = OpLoad %6 %8 |
| %20 = OpIAdd %6 %19 %18 |
| OpBranch %17 |
| %21 = OpLabel |
| %22 = OpLoad %6 %10 |
| %23 = OpLoad %6 %8 |
| %24 = OpISub %6 %23 %22 |
| OpBranch %17 |
| %17 = OpLabel |
| %25 = OpPhi %6 %20 %16 %24 %21 |
| OpStore %8 %25 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| FactManager fact_manager; |
| spvtools::ValidatorOptions validator_options; |
| TransformationContext transformation_context(&fact_manager, |
| validator_options); |
| |
| // Result id is invalid. |
| ASSERT_FALSE(TransformationPermutePhiOperands(26, {}).IsApplicable( |
| context.get(), transformation_context)); |
| |
| // Result id is not of an OpPhi instruction. |
| ASSERT_FALSE(TransformationPermutePhiOperands(24, {}).IsApplicable( |
| context.get(), transformation_context)); |
| |
| // Result id is not of an OpPhi instruction. |
| ASSERT_FALSE(TransformationPermutePhiOperands(24, {}).IsApplicable( |
| context.get(), transformation_context)); |
| |
| // Permutation has invalid size. |
| ASSERT_FALSE(TransformationPermutePhiOperands(25, {0, 1, 2}) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| #ifndef NDEBUG |
| // Permutation has duplicates. |
| ASSERT_DEATH(TransformationPermutePhiOperands(25, {0, 0}) |
| .IsApplicable(context.get(), transformation_context), |
| "Permutation has duplicates"); |
| #endif |
| |
| // Permutation's values are not in range. |
| ASSERT_FALSE(TransformationPermutePhiOperands(25, {1, 2}) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| TransformationPermutePhiOperands transformation(25, {1, 0}); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| transformation.Apply(context.get(), &transformation_context); |
| |
| 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 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpConstant %6 0 |
| %11 = OpConstant %6 1 |
| %14 = OpTypeBool |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %10 = OpVariable %7 Function |
| OpStore %8 %9 |
| OpStore %10 %11 |
| %12 = OpLoad %6 %8 |
| %13 = OpLoad %6 %10 |
| %15 = OpSLessThan %14 %12 %13 |
| OpSelectionMerge %17 None |
| OpBranchConditional %15 %16 %21 |
| %16 = OpLabel |
| %18 = OpLoad %6 %10 |
| %19 = OpLoad %6 %8 |
| %20 = OpIAdd %6 %19 %18 |
| OpBranch %17 |
| %21 = OpLabel |
| %22 = OpLoad %6 %10 |
| %23 = OpLoad %6 %8 |
| %24 = OpISub %6 %23 %22 |
| OpBranch %17 |
| %17 = OpLabel |
| %25 = OpPhi %6 %24 %21 %20 %16 |
| OpStore %8 %25 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |