| // 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_global_undef.h" |
| |
| #include "gtest/gtest.h" |
| #include "source/fuzz/fuzzer_util.h" |
| #include "test/fuzz/fuzz_test_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace { |
| |
| TEST(TransformationAddGlobalUndefTest, 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 = OpTypeFloat 32 |
| %7 = OpTypeInt 32 1 |
| %8 = OpTypeVector %6 2 |
| %9 = OpTypeVector %6 3 |
| %10 = OpTypeVector %6 4 |
| %11 = OpTypeVector %7 2 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_4; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| spvtools::ValidatorOptions validator_options; |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| TransformationContext transformation_context( |
| MakeUnique<FactManager>(context.get()), validator_options); |
| // Id already in use |
| ASSERT_FALSE(TransformationAddGlobalUndef(4, 11).IsApplicable( |
| context.get(), transformation_context)); |
| // %1 is not a type |
| ASSERT_FALSE(TransformationAddGlobalUndef(100, 1).IsApplicable( |
| context.get(), transformation_context)); |
| |
| // %3 is a function type |
| ASSERT_FALSE(TransformationAddGlobalUndef(100, 3).IsApplicable( |
| context.get(), transformation_context)); |
| |
| { |
| // %100 = OpUndef %6 |
| TransformationAddGlobalUndef transformation(100, 6); |
| ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(100)); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_EQ(SpvOpUndef, context->get_def_use_mgr()->GetDef(100)->opcode()); |
| } |
| |
| TransformationAddGlobalUndef transformations[] = { |
| |
| // %101 = OpUndef %7 |
| TransformationAddGlobalUndef(101, 7), |
| |
| // %102 = OpUndef %8 |
| TransformationAddGlobalUndef(102, 8), |
| |
| // %103 = OpUndef %9 |
| TransformationAddGlobalUndef(103, 9), |
| |
| // %104 = OpUndef %10 |
| TransformationAddGlobalUndef(104, 10), |
| |
| // %105 = OpUndef %11 |
| TransformationAddGlobalUndef(105, 11)}; |
| |
| for (auto& transformation : transformations) { |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options, |
| kConsoleMessageConsumer)); |
| |
| 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 = OpTypeFloat 32 |
| %7 = OpTypeInt 32 1 |
| %8 = OpTypeVector %6 2 |
| %9 = OpTypeVector %6 3 |
| %10 = OpTypeVector %6 4 |
| %11 = OpTypeVector %7 2 |
| %100 = OpUndef %6 |
| %101 = OpUndef %7 |
| %102 = OpUndef %8 |
| %103 = OpUndef %9 |
| %104 = OpUndef %10 |
| %105 = OpUndef %11 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| ASSERT_TRUE(IsEqual(env, after_transformation, context.get())); |
| } |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |