| // 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_replace_parameter_with_global.h" |
| |
| #include "gtest/gtest.h" |
| #include "source/fuzz/fuzzer_util.h" |
| #include "test/fuzz/fuzz_test_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace { |
| |
| TEST(TransformationReplaceParameterWithGlobalTest, 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 |
| OpMemberDecorate %13 0 RelaxedPrecision |
| OpDecorate %16 RelaxedPrecision |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Private %6 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypePointer Private %8 |
| %10 = OpTypeVector %8 2 |
| %11 = OpTypePointer Private %10 |
| %12 = OpTypeBool |
| %71 = OpTypeFunction %2 %6 |
| %83 = OpTypeFunction %2 %6 %12 |
| %93 = OpTypeFunction %2 %10 |
| %94 = OpTypeFunction %2 %8 %10 |
| %40 = OpTypePointer Function %12 |
| %13 = OpTypeStruct %6 %8 |
| %14 = OpTypePointer Private %13 |
| %15 = OpTypeFunction %2 %6 %8 %10 %13 %40 %12 |
| %22 = OpConstant %6 0 |
| %23 = OpConstant %8 0 |
| %26 = OpConstantComposite %10 %23 %23 |
| %27 = OpConstantTrue %12 |
| %28 = OpConstantComposite %13 %22 %23 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %41 = OpVariable %40 Function %27 |
| %33 = OpFunctionCall %2 %20 %22 %23 %26 %28 %41 %27 |
| OpReturn |
| OpFunctionEnd |
| |
| ; adjust type of the function in-place |
| %20 = OpFunction %2 None %15 |
| %16 = OpFunctionParameter %6 |
| %17 = OpFunctionParameter %8 |
| %18 = OpFunctionParameter %10 |
| %19 = OpFunctionParameter %13 |
| %42 = OpFunctionParameter %40 |
| %43 = OpFunctionParameter %12 |
| %21 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| |
| ; reuse an existing function type |
| %70 = OpFunction %2 None %71 |
| %72 = OpFunctionParameter %6 |
| %73 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| %74 = OpFunction %2 None %71 |
| %75 = OpFunctionParameter %6 |
| %76 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| |
| ; create a new function type |
| %77 = OpFunction %2 None %83 |
| %78 = OpFunctionParameter %6 |
| %84 = OpFunctionParameter %12 |
| %79 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| %80 = OpFunction %2 None %83 |
| %81 = OpFunctionParameter %6 |
| %85 = OpFunctionParameter %12 |
| %82 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| |
| ; don't adjust the type of the function if it creates a duplicate |
| %86 = OpFunction %2 None %93 |
| %87 = OpFunctionParameter %10 |
| %89 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| %90 = OpFunction %2 None %94 |
| %91 = OpFunctionParameter %8 |
| %95 = OpFunctionParameter %10 |
| %92 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| // Parameter id is invalid. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(50, 50, 51) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Parameter id is not a result id of an OpFunctionParameter instruction. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(50, 21, 51) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Parameter has unsupported type. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(50, 42, 51) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Initializer for a global variable doesn't exist in the module. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(50, 43, 51) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Pointer type for a global variable doesn't exist in the module. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(50, 43, 51) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Function type id is not fresh. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(16, 16, 51) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Global variable id is not fresh. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(50, 16, 16) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| // Function type fresh id and global variable fresh id are equal. |
| ASSERT_FALSE(TransformationReplaceParameterWithGlobal(50, 16, 50) |
| .IsApplicable(context.get(), transformation_context)); |
| |
| { |
| TransformationReplaceParameterWithGlobal transformation(50, 16, 51); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationReplaceParameterWithGlobal transformation(52, 17, 53); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationReplaceParameterWithGlobal transformation(54, 18, 55); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationReplaceParameterWithGlobal transformation(56, 19, 57); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationReplaceParameterWithGlobal transformation(58, 75, 59); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationReplaceParameterWithGlobal transformation(60, 81, 61); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| } |
| { |
| TransformationReplaceParameterWithGlobal transformation(62, 91, 63); |
| 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 expected_shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpMemberDecorate %13 0 RelaxedPrecision |
| OpDecorate %16 RelaxedPrecision |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Private %6 |
| %8 = OpTypeFloat 32 |
| %9 = OpTypePointer Private %8 |
| %10 = OpTypeVector %8 2 |
| %11 = OpTypePointer Private %10 |
| %12 = OpTypeBool |
| %71 = OpTypeFunction %2 %6 |
| %83 = OpTypeFunction %2 %6 %12 |
| %93 = OpTypeFunction %2 %10 |
| %40 = OpTypePointer Function %12 |
| %13 = OpTypeStruct %6 %8 |
| %14 = OpTypePointer Private %13 |
| %22 = OpConstant %6 0 |
| %23 = OpConstant %8 0 |
| %26 = OpConstantComposite %10 %23 %23 |
| %27 = OpConstantTrue %12 |
| %28 = OpConstantComposite %13 %22 %23 |
| %51 = OpVariable %7 Private %22 |
| %53 = OpVariable %9 Private %23 |
| %55 = OpVariable %11 Private %26 |
| %57 = OpVariable %14 Private %28 |
| %15 = OpTypeFunction %2 %40 %12 |
| %59 = OpVariable %7 Private %22 |
| %61 = OpVariable %7 Private %22 |
| %60 = OpTypeFunction %2 %12 |
| %63 = OpVariable %9 Private %23 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %41 = OpVariable %40 Function %27 |
| OpStore %51 %22 |
| OpStore %53 %23 |
| OpStore %55 %26 |
| OpStore %57 %28 |
| %33 = OpFunctionCall %2 %20 %41 %27 |
| OpReturn |
| OpFunctionEnd |
| %20 = OpFunction %2 None %15 |
| %42 = OpFunctionParameter %40 |
| %43 = OpFunctionParameter %12 |
| %21 = OpLabel |
| %19 = OpLoad %13 %57 |
| %18 = OpLoad %10 %55 |
| %17 = OpLoad %8 %53 |
| %16 = OpLoad %6 %51 |
| OpReturn |
| OpFunctionEnd |
| %70 = OpFunction %2 None %71 |
| %72 = OpFunctionParameter %6 |
| %73 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| %74 = OpFunction %2 None %3 |
| %76 = OpLabel |
| %75 = OpLoad %6 %59 |
| OpReturn |
| OpFunctionEnd |
| %77 = OpFunction %2 None %83 |
| %78 = OpFunctionParameter %6 |
| %84 = OpFunctionParameter %12 |
| %79 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| %80 = OpFunction %2 None %60 |
| %85 = OpFunctionParameter %12 |
| %82 = OpLabel |
| %81 = OpLoad %6 %61 |
| OpReturn |
| OpFunctionEnd |
| %86 = OpFunction %2 None %93 |
| %87 = OpFunctionParameter %10 |
| %89 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| %90 = OpFunction %2 None %93 |
| %95 = OpFunctionParameter %10 |
| %92 = OpLabel |
| %91 = OpLoad %8 %63 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| ASSERT_TRUE(IsEqual(env, expected_shader, context.get())); |
| } |
| |
| TEST(TransformationReplaceParameterWithGlobalTest, |
| HandlesIrrelevantParameters) { |
| 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 |
| %9 = OpTypeInt 32 1 |
| %3 = OpTypeFunction %2 |
| %7 = OpTypeFunction %2 %9 %9 |
| %12 = OpTypePointer Private %9 |
| %13 = OpConstant %9 0 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| %6 = OpFunction %2 None %7 |
| %10 = OpFunctionParameter %9 |
| %11 = OpFunctionParameter %9 |
| %8 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| 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); |
| transformation_context.GetFactManager()->AddFactIdIsIrrelevant(10); |
| |
| { |
| TransformationReplaceParameterWithGlobal transformation(20, 10, 21); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_TRUE( |
| transformation_context.GetFactManager()->PointeeValueIsIrrelevant(21)); |
| } |
| { |
| TransformationReplaceParameterWithGlobal transformation(22, 11, 23); |
| ASSERT_TRUE( |
| transformation.IsApplicable(context.get(), transformation_context)); |
| ApplyAndCheckFreshIds(transformation, context.get(), |
| &transformation_context); |
| ASSERT_FALSE( |
| transformation_context.GetFactManager()->PointeeValueIsIrrelevant(23)); |
| } |
| } |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |