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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_constant_boolean.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddConstantBooleanTest, NeitherPresentInitiallyAddBoth) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
OpName %4 "main"
%2 = OpTypeVoid
%6 = OpTypeBool
%3 = OpTypeFunction %2
%4 = OpFunction %2 None %3
%5 = 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);
// True and false can both be added as neither is present.
ASSERT_TRUE(TransformationAddConstantBoolean(7, true, false)
.IsApplicable(context.get(), transformation_context));
ASSERT_TRUE(TransformationAddConstantBoolean(7, false, false)
.IsApplicable(context.get(), transformation_context));
// Irrelevant true and false can both be added as neither is present.
ASSERT_TRUE(TransformationAddConstantBoolean(7, true, true)
.IsApplicable(context.get(), transformation_context));
ASSERT_TRUE(TransformationAddConstantBoolean(7, false, true)
.IsApplicable(context.get(), transformation_context));
// Id 5 is already taken.
ASSERT_FALSE(TransformationAddConstantBoolean(5, true, false)
.IsApplicable(context.get(), transformation_context));
auto add_true = TransformationAddConstantBoolean(7, true, false);
auto add_false = TransformationAddConstantBoolean(8, false, false);
ASSERT_TRUE(add_true.IsApplicable(context.get(), transformation_context));
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(7));
ASSERT_EQ(nullptr, context->get_constant_mgr()->FindDeclaredConstant(7));
ApplyAndCheckFreshIds(add_true, context.get(), &transformation_context);
ASSERT_EQ(spv::Op::OpConstantTrue,
context->get_def_use_mgr()->GetDef(7)->opcode());
ASSERT_TRUE(context->get_constant_mgr()
->FindDeclaredConstant(7)
->AsBoolConstant()
->value());
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Having added true, we cannot add it again with the same id.
ASSERT_FALSE(add_true.IsApplicable(context.get(), transformation_context));
// But we can add it with a different id.
auto add_true_again = TransformationAddConstantBoolean(100, true, false);
ASSERT_TRUE(
add_true_again.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(add_true_again, context.get(), &transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
ASSERT_TRUE(add_false.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(add_false, context.get(), &transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Having added false, we cannot add it again with the same id.
ASSERT_FALSE(add_false.IsApplicable(context.get(), transformation_context));
// But we can add it with a different id.
auto add_false_again = TransformationAddConstantBoolean(101, false, false);
ASSERT_TRUE(
add_false_again.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(add_false_again, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// We can create an irrelevant OpConstantTrue.
TransformationAddConstantBoolean irrelevant_true(102, true, true);
ASSERT_TRUE(
irrelevant_true.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(irrelevant_true, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// We can create an irrelevant OpConstantFalse.
TransformationAddConstantBoolean irrelevant_false(103, false, true);
ASSERT_TRUE(
irrelevant_false.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(irrelevant_false, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
ASSERT_FALSE(transformation_context.GetFactManager()->IdIsIrrelevant(100));
ASSERT_FALSE(transformation_context.GetFactManager()->IdIsIrrelevant(101));
ASSERT_TRUE(transformation_context.GetFactManager()->IdIsIrrelevant(102));
ASSERT_TRUE(transformation_context.GetFactManager()->IdIsIrrelevant(103));
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
OpName %4 "main"
%2 = OpTypeVoid
%6 = OpTypeBool
%3 = OpTypeFunction %2
%7 = OpConstantTrue %6
%100 = OpConstantTrue %6
%8 = OpConstantFalse %6
%101 = OpConstantFalse %6
%102 = OpConstantTrue %6
%103 = OpConstantFalse %6
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
TEST(TransformationAddConstantBooleanTest, NoOpTypeBoolPresent) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
OpName %4 "main"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%4 = OpFunction %2 None %3
%5 = 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);
// Neither true nor false can be added as OpTypeBool is not present.
ASSERT_FALSE(TransformationAddConstantBoolean(6, true, false)
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(TransformationAddConstantBoolean(6, false, false)
.IsApplicable(context.get(), transformation_context));
// This does not depend on whether the constant is relevant or not.
ASSERT_FALSE(TransformationAddConstantBoolean(6, true, true)
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(TransformationAddConstantBoolean(6, false, true)
.IsApplicable(context.get(), transformation_context));
}
} // namespace
} // namespace fuzz
} // namespace spvtools
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