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
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "source/fuzz/instruction_descriptor.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "test/fuzz/fuzz_test_util.h"
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namespace spvtools {
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namespace fuzz {
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namespace {
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TEST(InstructionDescriptorTest, BasicTest) {
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std::string shader = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 0
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%7 = OpTypePointer Function %6
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%9 = OpConstant %6 0
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%10 = OpTypeInt 32 1
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%11 = OpTypePointer Function %10
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%13 = OpConstant %10 2
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%32 = OpConstant %10 0
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%164 = OpVariable %11 Function
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%165 = OpVariable %11 Function
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OpBranch %16
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%16 = OpLabel
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OpStore %164 %32
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OpStore %165 %13
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_4;
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const auto consumer = nullptr;
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const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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for (auto& function : *context->module()) {
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for (auto& block : function) {
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for (auto inst_it = block.cbegin(); inst_it != block.cend(); ++inst_it) {
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ASSERT_EQ(&*inst_it,
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FindInstruction(MakeInstructionDescriptor(block, inst_it),
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context.get()));
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}
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}
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}
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}
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} // namespace
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} // namespace fuzz
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} // namespace spvtools
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