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// Copyright (c) 2020 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_early_terminator_wrapper.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddEarlyTerminatorWrapperTest, NoVoidType) {
std::string shader = R"(
OpCapability Shader
OpCapability Linkage
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpSource ESSL 320
)";
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);
ASSERT_FALSE(
TransformationAddEarlyTerminatorWrapper(100, 101, spv::Op::OpKill)
.IsApplicable(context.get(), transformation_context));
}
TEST(TransformationAddEarlyTerminatorWrapperTest, NoVoidFunctionType) {
std::string shader = R"(
OpCapability Shader
OpCapability Linkage
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpSource ESSL 320
%2 = OpTypeVoid
)";
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);
ASSERT_FALSE(
TransformationAddEarlyTerminatorWrapper(100, 101, spv::Op::OpKill)
.IsApplicable(context.get(), transformation_context));
}
TEST(TransformationAddEarlyTerminatorWrapperTest, BasicTest) {
std::string shader = R"(
OpCapability Shader
OpExtension "SPV_KHR_terminate_invocation"
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_5;
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);
ASSERT_FALSE(TransformationAddEarlyTerminatorWrapper(2, 101, spv::Op::OpKill)
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(TransformationAddEarlyTerminatorWrapper(100, 4, spv::Op::OpKill)
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(
TransformationAddEarlyTerminatorWrapper(100, 100, spv::Op::OpKill)
.IsApplicable(context.get(), transformation_context));
#ifndef NDEBUG
ASSERT_DEATH(
TransformationAddEarlyTerminatorWrapper(100, 101, spv::Op::OpReturn)
.IsApplicable(context.get(), transformation_context),
"Invalid opcode.");
#endif
auto transformation1 =
TransformationAddEarlyTerminatorWrapper(100, 101, spv::Op::OpKill);
auto transformation2 =
TransformationAddEarlyTerminatorWrapper(102, 103, spv::Op::OpUnreachable);
auto transformation3 = TransformationAddEarlyTerminatorWrapper(
104, 105, spv::Op::OpTerminateInvocation);
ASSERT_TRUE(
transformation1.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation1, context.get(),
&transformation_context);
ASSERT_TRUE(
transformation2.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation2, context.get(),
&transformation_context);
ASSERT_TRUE(
transformation3.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation3, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
std::string after_transformation = R"(
OpCapability Shader
OpExtension "SPV_KHR_terminate_invocation"
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 320
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
%100 = OpFunction %2 None %3
%101 = OpLabel
OpKill
OpFunctionEnd
%102 = OpFunction %2 None %3
%103 = OpLabel
OpUnreachable
OpFunctionEnd
%104 = OpFunction %2 None %3
%105 = OpLabel
OpTerminateInvocation
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools