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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/fuzzer_pass_construct_composites.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "source/fuzz/pseudo_random_generator.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(FuzzerPassConstructCompositesTest, IsomorphicStructs) {
// This test declares various isomorphic structs, and a struct that is made up
// of these isomorphic structs. The pass to construct composites is then
// applied several times to check that no issues arise related to using a
// value of one struct type when a value of an isomorphic struct type is
// required.
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 = OpConstant %6 0
%8 = OpTypeStruct %6 %6 %6
%9 = OpTypeStruct %6 %6 %6
%10 = OpTypeStruct %6 %6 %6
%11 = OpTypeStruct %6 %6 %6
%12 = OpTypeStruct %6 %6 %6
%13 = OpTypeStruct %8 %9 %10 %11 %12
%14 = OpConstantComposite %8 %7 %7 %7
%15 = OpConstantComposite %9 %7 %7 %7
%16 = OpConstantComposite %10 %7 %7 %7
%17 = OpConstantComposite %11 %7 %7 %7
%18 = OpConstantComposite %12 %7 %7 %7
%4 = OpFunction %2 None %3
%5 = OpLabel
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
FuzzerContext fuzzer_context(MakeUnique<PseudoRandomGenerator>(0), 100,
false);
for (uint32_t i = 0; i < 10; i++) {
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);
protobufs::TransformationSequence transformation_sequence;
FuzzerPassConstructComposites fuzzer_pass(
context.get(), &transformation_context, &fuzzer_context,
&transformation_sequence, false);
fuzzer_pass.Apply();
// We just check that the result is valid.
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
}
TEST(FuzzerPassConstructCompositesTest, IsomorphicArrays) {
// This test declares various isomorphic arrays, and a struct that is made up
// of these isomorphic arrays. The pass to construct composites is then
// applied several times to check that no issues arise related to using a
// value of one array type when a value of an isomorphic array type is
// required.
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
%50 = OpTypeInt 32 0
%51 = OpConstant %50 3
%7 = OpConstant %6 0
%8 = OpTypeArray %6 %51
%9 = OpTypeArray %6 %51
%10 = OpTypeArray %6 %51
%11 = OpTypeArray %6 %51
%12 = OpTypeArray %6 %51
%13 = OpTypeStruct %8 %9 %10 %11 %12
%14 = OpConstantComposite %8 %7 %7 %7
%15 = OpConstantComposite %9 %7 %7 %7
%16 = OpConstantComposite %10 %7 %7 %7
%17 = OpConstantComposite %11 %7 %7 %7
%18 = OpConstantComposite %12 %7 %7 %7
%4 = OpFunction %2 None %3
%5 = OpLabel
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpNop
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
FuzzerContext fuzzer_context(MakeUnique<PseudoRandomGenerator>(0), 100,
false);
for (uint32_t i = 0; i < 10; i++) {
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);
protobufs::TransformationSequence transformation_sequence;
FuzzerPassConstructComposites fuzzer_pass(
context.get(), &transformation_context, &fuzzer_context,
&transformation_sequence, false);
fuzzer_pass.Apply();
// We just check that the result is valid.
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
}
}
} // namespace
} // namespace fuzz
} // namespace spvtools
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