mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-10-19 19:40:13 +00:00
9e26ae0455
This change adds the notion of "overflow ids", which can be used during shrinking to facilitate applying transformations that would otherwise have become inapplicable due to earlier transformations being removed.
302 lines
9.8 KiB
C++
302 lines
9.8 KiB
C++
// Copyright (c) 2020 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/replayer.h"
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#include "source/fuzz/instruction_descriptor.h"
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#include "source/fuzz/transformation_split_block.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(ReplayerTest, PartialReplay) {
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const std::string kTestShader = 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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OpName %4 "main"
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OpName %8 "g"
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OpName %11 "x"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Private %6
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%8 = OpVariable %7 Private
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%9 = OpConstant %6 10
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%10 = OpTypePointer Function %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%11 = OpVariable %10 Function
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OpStore %8 %9
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%12 = OpLoad %6 %8
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OpStore %11 %12
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%13 = OpLoad %6 %8
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OpStore %11 %13
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%14 = OpLoad %6 %8
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OpStore %11 %14
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%15 = OpLoad %6 %8
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OpStore %11 %15
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%16 = OpLoad %6 %8
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OpStore %11 %16
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%17 = OpLoad %6 %8
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OpStore %11 %17
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%18 = OpLoad %6 %8
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OpStore %11 %18
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%19 = OpLoad %6 %8
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OpStore %11 %19
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%20 = OpLoad %6 %8
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OpStore %11 %20
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%21 = OpLoad %6 %8
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OpStore %11 %21
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%22 = OpLoad %6 %8
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OpStore %11 %22
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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_3;
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spvtools::ValidatorOptions validator_options;
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std::vector<uint32_t> binary_in;
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SpirvTools t(env);
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t.SetMessageConsumer(kSilentConsumer);
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ASSERT_TRUE(t.Assemble(kTestShader, &binary_in, kFuzzAssembleOption));
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ASSERT_TRUE(t.Validate(binary_in));
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protobufs::TransformationSequence transformations;
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for (uint32_t id = 12; id <= 22; id++) {
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*transformations.add_transformation() =
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TransformationSplitBlock(MakeInstructionDescriptor(id, SpvOpLoad, 0),
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id + 100)
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.ToMessage();
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}
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{
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// Full replay
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protobufs::TransformationSequence transformations_out;
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protobufs::FactSequence empty_facts;
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std::vector<uint32_t> binary_out;
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Replayer replayer(env, true, validator_options);
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replayer.SetMessageConsumer(kSilentConsumer);
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auto replayer_result_status =
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replayer.Run(binary_in, empty_facts, transformations, 11, 0,
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&binary_out, &transformations_out);
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// Replay should succeed.
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ASSERT_EQ(Replayer::ReplayerResultStatus::kComplete,
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replayer_result_status);
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// All transformations should be applied.
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ASSERT_TRUE(google::protobuf::util::MessageDifferencer::Equals(
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transformations, transformations_out));
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const std::string kFullySplitShader = 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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OpName %4 "main"
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OpName %8 "g"
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OpName %11 "x"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Private %6
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%8 = OpVariable %7 Private
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%9 = OpConstant %6 10
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%10 = OpTypePointer Function %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%11 = OpVariable %10 Function
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OpStore %8 %9
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OpBranch %112
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%112 = OpLabel
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%12 = OpLoad %6 %8
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OpStore %11 %12
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OpBranch %113
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%113 = OpLabel
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%13 = OpLoad %6 %8
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OpStore %11 %13
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OpBranch %114
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%114 = OpLabel
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%14 = OpLoad %6 %8
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OpStore %11 %14
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OpBranch %115
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%115 = OpLabel
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%15 = OpLoad %6 %8
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OpStore %11 %15
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OpBranch %116
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%116 = OpLabel
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%16 = OpLoad %6 %8
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OpStore %11 %16
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OpBranch %117
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%117 = OpLabel
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%17 = OpLoad %6 %8
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OpStore %11 %17
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OpBranch %118
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%118 = OpLabel
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%18 = OpLoad %6 %8
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OpStore %11 %18
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OpBranch %119
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%119 = OpLabel
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%19 = OpLoad %6 %8
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OpStore %11 %19
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OpBranch %120
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%120 = OpLabel
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%20 = OpLoad %6 %8
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OpStore %11 %20
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OpBranch %121
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%121 = OpLabel
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%21 = OpLoad %6 %8
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OpStore %11 %21
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OpBranch %122
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%122 = OpLabel
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%22 = OpLoad %6 %8
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OpStore %11 %22
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, kFullySplitShader, binary_out));
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}
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{
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// Half replay
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protobufs::TransformationSequence transformations_out;
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protobufs::FactSequence empty_facts;
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std::vector<uint32_t> binary_out;
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Replayer replayer(env, true, validator_options);
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replayer.SetMessageConsumer(kSilentConsumer);
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auto replayer_result_status =
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replayer.Run(binary_in, empty_facts, transformations, 5, 0, &binary_out,
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&transformations_out);
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// Replay should succeed.
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ASSERT_EQ(Replayer::ReplayerResultStatus::kComplete,
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replayer_result_status);
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// The first 5 transformations should be applied
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ASSERT_EQ(5, transformations_out.transformation_size());
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for (uint32_t i = 0; i < 5; i++) {
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ASSERT_TRUE(google::protobuf::util::MessageDifferencer::Equals(
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transformations.transformation(i),
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transformations_out.transformation(i)));
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}
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const std::string kHalfSplitShader = 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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OpName %4 "main"
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OpName %8 "g"
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OpName %11 "x"
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeInt 32 1
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%7 = OpTypePointer Private %6
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%8 = OpVariable %7 Private
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%9 = OpConstant %6 10
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%10 = OpTypePointer Function %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%11 = OpVariable %10 Function
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OpStore %8 %9
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OpBranch %112
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%112 = OpLabel
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%12 = OpLoad %6 %8
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OpStore %11 %12
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OpBranch %113
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%113 = OpLabel
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%13 = OpLoad %6 %8
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OpStore %11 %13
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OpBranch %114
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%114 = OpLabel
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%14 = OpLoad %6 %8
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OpStore %11 %14
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OpBranch %115
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%115 = OpLabel
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%15 = OpLoad %6 %8
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OpStore %11 %15
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OpBranch %116
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%116 = OpLabel
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%16 = OpLoad %6 %8
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OpStore %11 %16
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%17 = OpLoad %6 %8
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OpStore %11 %17
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%18 = OpLoad %6 %8
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OpStore %11 %18
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%19 = OpLoad %6 %8
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OpStore %11 %19
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%20 = OpLoad %6 %8
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OpStore %11 %20
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%21 = OpLoad %6 %8
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OpStore %11 %21
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%22 = OpLoad %6 %8
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OpStore %11 %22
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, kHalfSplitShader, binary_out));
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}
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{
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// Empty replay
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protobufs::TransformationSequence transformations_out;
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protobufs::FactSequence empty_facts;
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std::vector<uint32_t> binary_out;
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Replayer replayer(env, true, validator_options);
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replayer.SetMessageConsumer(kSilentConsumer);
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auto replayer_result_status =
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replayer.Run(binary_in, empty_facts, transformations, 0, 0, &binary_out,
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&transformations_out);
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// Replay should succeed.
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ASSERT_EQ(Replayer::ReplayerResultStatus::kComplete,
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replayer_result_status);
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// No transformations should be applied
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ASSERT_EQ(0, transformations_out.transformation_size());
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ASSERT_TRUE(IsEqual(env, kTestShader, binary_out));
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}
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{
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// Invalid replay: too many transformations
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protobufs::TransformationSequence transformations_out;
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protobufs::FactSequence empty_facts;
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std::vector<uint32_t> binary_out;
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// The number of transformations requested to be applied exceeds the number
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// of transformations
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Replayer replayer(env, true, validator_options);
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replayer.SetMessageConsumer(kSilentConsumer);
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auto replayer_result_status =
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replayer.Run(binary_in, empty_facts, transformations, 12, 0,
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&binary_out, &transformations_out);
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// Replay should not succeed.
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ASSERT_EQ(Replayer::ReplayerResultStatus::kTooManyTransformationsRequested,
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replayer_result_status);
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// No transformations should be applied
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ASSERT_EQ(0, transformations_out.transformation_size());
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// The output binary should be empty
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ASSERT_TRUE(binary_out.empty());
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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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