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// 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_type_function.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddTypeFunctionTest, 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 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%8 = OpTypeFunction %2 %7
%12 = OpTypeFloat 32
%13 = OpTypeStruct %6 %12
%14 = OpTypePointer Function %13
%200 = OpTypePointer Function %13
%15 = OpTypeVector %12 3
%16 = OpTypePointer Function %15
%17 = OpTypeVector %12 2
%18 = OpTypeFunction %17 %14 %16
%23 = OpConstant %12 1
%24 = OpConstantComposite %17 %23 %23
%27 = OpConstant %6 3
%30 = OpConstant %6 1
%31 = OpConstant %12 2
%32 = OpConstantComposite %13 %30 %31
%33 = OpConstantComposite %15 %23 %23 %23
%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(TransformationAddTypeFunction(4, 12, {12, 16, 14})
.IsApplicable(context.get(), transformation_context));
// %1 is not a type
ASSERT_FALSE(TransformationAddTypeFunction(100, 1, {12, 16, 14})
.IsApplicable(context.get(), transformation_context));
// %18 is a function type
ASSERT_FALSE(TransformationAddTypeFunction(100, 12, {18})
.IsApplicable(context.get(), transformation_context));
// A function of this signature already exists
ASSERT_FALSE(TransformationAddTypeFunction(100, 17, {14, 16})
.IsApplicable(context.get(), transformation_context));
TransformationAddTypeFunction transformations[] = {
// %100 = OpTypeFunction %12 %12 %16 %14
TransformationAddTypeFunction(100, 12, {12, 16, 14}),
// %101 = OpTypeFunction %12
TransformationAddTypeFunction(101, 12, {}),
// %102 = OpTypeFunction %17 %200 %16
TransformationAddTypeFunction(102, 17, {200, 16})};
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 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%8 = OpTypeFunction %2 %7
%12 = OpTypeFloat 32
%13 = OpTypeStruct %6 %12
%14 = OpTypePointer Function %13
%200 = OpTypePointer Function %13
%15 = OpTypeVector %12 3
%16 = OpTypePointer Function %15
%17 = OpTypeVector %12 2
%18 = OpTypeFunction %17 %14 %16
%23 = OpConstant %12 1
%24 = OpConstantComposite %17 %23 %23
%27 = OpConstant %6 3
%30 = OpConstant %6 1
%31 = OpConstant %12 2
%32 = OpConstantComposite %13 %30 %31
%33 = OpConstantComposite %15 %23 %23 %23
%100 = OpTypeFunction %12 %12 %16 %14
%101 = OpTypeFunction %12
%102 = OpTypeFunction %17 %200 %16
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools