mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-22 11:40:05 +00:00
502e982956
This fixes a problem where TransformationInlineFunction could lead to distinct instructions having identical unique ids. It adds a validity check to detect this problem in general. Fixes #3911.
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
// 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/fact_manager/fact_manager.h"
|
|
|
|
#include "gtest/gtest.h"
|
|
#include "source/fuzz/fuzzer_util.h"
|
|
#include "test/fuzz/fuzz_test_util.h"
|
|
|
|
namespace spvtools {
|
|
namespace fuzz {
|
|
namespace {
|
|
|
|
TEST(DeadBlockFactsTest, BlockIsDead) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %2 "main"
|
|
OpExecutionMode %2 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
%3 = OpTypeVoid
|
|
%4 = OpTypeFunction %3
|
|
%5 = OpTypeBool
|
|
%6 = OpConstantTrue %5
|
|
%7 = OpTypeInt 32 1
|
|
%8 = OpTypePointer Function %7
|
|
%2 = OpFunction %3 None %4
|
|
%9 = OpLabel
|
|
OpSelectionMerge %10 None
|
|
OpBranchConditional %6 %11 %12
|
|
%11 = OpLabel
|
|
OpBranch %10
|
|
%12 = OpLabel
|
|
OpBranch %10
|
|
%10 = 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));
|
|
|
|
FactManager fact_manager(context.get());
|
|
|
|
ASSERT_FALSE(fact_manager.BlockIsDead(9));
|
|
ASSERT_FALSE(fact_manager.BlockIsDead(11));
|
|
ASSERT_FALSE(fact_manager.BlockIsDead(12));
|
|
|
|
fact_manager.AddFactBlockIsDead(12);
|
|
|
|
ASSERT_FALSE(fact_manager.BlockIsDead(9));
|
|
ASSERT_FALSE(fact_manager.BlockIsDead(11));
|
|
ASSERT_TRUE(fact_manager.BlockIsDead(12));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|