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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_constant_null.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddConstantNullTest, 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
%20 = OpTypeSampler
%21 = OpTypeImage %6 2D 0 0 0 0 Rgba32f
%22 = OpTypeSampledImage %21
%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(TransformationAddConstantNull(4, 11).IsApplicable(
context.get(), transformation_context));
// %1 is not a type
ASSERT_FALSE(TransformationAddConstantNull(100, 1).IsApplicable(
context.get(), transformation_context));
// %3 is a function type
ASSERT_FALSE(TransformationAddConstantNull(100, 3).IsApplicable(
context.get(), transformation_context));
// %20 is a sampler type
ASSERT_FALSE(TransformationAddConstantNull(100, 20).IsApplicable(
context.get(), transformation_context));
// %21 is an image type
ASSERT_FALSE(TransformationAddConstantNull(100, 21).IsApplicable(
context.get(), transformation_context));
// %22 is a sampled image type
ASSERT_FALSE(TransformationAddConstantNull(100, 22).IsApplicable(
context.get(), transformation_context));
{
// %100 = OpConstantNull %6
TransformationAddConstantNull transformation(100, 6);
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(100));
ASSERT_EQ(nullptr, context->get_constant_mgr()->FindDeclaredConstant(100));
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_EQ(spv::Op::OpConstantNull,
context->get_def_use_mgr()->GetDef(100)->opcode());
ASSERT_EQ(
0.0F,
context->get_constant_mgr()->FindDeclaredConstant(100)->GetFloat());
}
TransformationAddConstantNull transformations[] = {
// %101 = OpConstantNull %7
TransformationAddConstantNull(101, 7),
// %102 = OpConstantNull %8
TransformationAddConstantNull(102, 8),
// %103 = OpConstantNull %9
TransformationAddConstantNull(103, 9),
// %104 = OpConstantNull %10
TransformationAddConstantNull(104, 10),
// %105 = OpConstantNull %11
TransformationAddConstantNull(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
%20 = OpTypeSampler
%21 = OpTypeImage %6 2D 0 0 0 0 Rgba32f
%22 = OpTypeSampledImage %21
%100 = OpConstantNull %6
%101 = OpConstantNull %7
%102 = OpConstantNull %8
%103 = OpConstantNull %9
%104 = OpConstantNull %10
%105 = OpConstantNull %11
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools
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