mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-22 11:40:05 +00:00
d35a78db57
Fixes #4960 * Switches to using enum classes with an underlying type to avoid undefined behaviour
1499 lines
59 KiB
C++
1499 lines
59 KiB
C++
// Copyright (c) 2020 Vasyl Teliman
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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/transformation_add_synonym.h"
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#include "gtest/gtest.h"
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#include "source/fuzz/fuzzer_util.h"
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#include "source/fuzz/instruction_descriptor.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(TransformationAddSynonymTest, NotApplicable) {
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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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OpDecorate %8 RelaxedPrecision
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OpDecorate %22 RelaxedPrecision
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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 Function %6
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%9 = OpConstant %6 3
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%10 = OpTypeFloat 32
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%11 = OpTypePointer Function %10
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%13 = OpConstant %10 4.5
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%14 = OpTypeVector %10 2
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%15 = OpTypePointer Function %14
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%17 = OpConstant %10 3
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%18 = OpConstant %10 4
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%19 = OpConstantComposite %14 %17 %18
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%20 = OpTypeVector %6 2
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%21 = OpTypePointer Function %20
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%23 = OpConstant %6 4
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%24 = OpConstantComposite %20 %9 %23
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%26 = OpConstantNull %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%8 = OpVariable %7 Function
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%12 = OpVariable %11 Function
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%16 = OpVariable %15 Function
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%22 = OpVariable %21 Function
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OpStore %8 %9
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OpStore %12 %13
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OpStore %16 %19
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OpStore %22 %24
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%25 = OpUndef %6
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%27 = OpLoad %6 %8
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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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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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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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transformation_context.GetFactManager()->AddFactIdIsIrrelevant(24);
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auto insert_before = MakeInstructionDescriptor(22, spv::Op::OpReturn, 0);
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#ifndef NDEBUG
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ASSERT_DEATH(
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TransformationAddSynonym(
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9, static_cast<protobufs::TransformationAddSynonym::SynonymType>(-1),
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40, insert_before)
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.IsApplicable(context.get(), transformation_context),
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"Synonym type is invalid");
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#endif
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// These tests should succeed regardless of the synonym type.
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for (int i = 0;
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i < protobufs::TransformationAddSynonym::SynonymType_descriptor()
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->value_count();
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++i) {
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const auto* synonym_value =
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protobufs::TransformationAddSynonym::SynonymType_descriptor()->value(i);
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ASSERT_TRUE(protobufs::TransformationAddSynonym::SynonymType_IsValid(
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synonym_value->number()));
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auto synonym_type =
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static_cast<protobufs::TransformationAddSynonym::SynonymType>(
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synonym_value->number());
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// |synonym_fresh_id| is not fresh.
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ASSERT_FALSE(TransformationAddSynonym(9, synonym_type, 9, insert_before)
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.IsApplicable(context.get(), transformation_context));
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// |result_id| is invalid.
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ASSERT_FALSE(TransformationAddSynonym(40, synonym_type, 40, insert_before)
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.IsApplicable(context.get(), transformation_context));
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// Instruction with |result_id| has no type id.
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ASSERT_FALSE(TransformationAddSynonym(5, synonym_type, 40, insert_before)
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.IsApplicable(context.get(), transformation_context));
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// Instruction with |result_id| is an OpUndef.
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ASSERT_FALSE(TransformationAddSynonym(25, synonym_type, 40, insert_before)
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.IsApplicable(context.get(), transformation_context));
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// Instruction with |result_id| is an OpConstantNull.
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ASSERT_FALSE(TransformationAddSynonym(26, synonym_type, 40, insert_before)
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.IsApplicable(context.get(), transformation_context));
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// |result_id| is irrelevant.
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ASSERT_FALSE(TransformationAddSynonym(24, synonym_type, 40, insert_before)
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.IsApplicable(context.get(), transformation_context));
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// |insert_before| is invalid.
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ASSERT_FALSE(TransformationAddSynonym(
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9, synonym_type, 40,
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MakeInstructionDescriptor(25, spv::Op::OpStore, 0))
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.IsApplicable(context.get(), transformation_context));
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// Can't insert before |insert_before|.
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ASSERT_FALSE(TransformationAddSynonym(
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9, synonym_type, 40,
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MakeInstructionDescriptor(5, spv::Op::OpLabel, 0))
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(TransformationAddSynonym(
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9, synonym_type, 40,
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MakeInstructionDescriptor(22, spv::Op::OpVariable, 0))
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(TransformationAddSynonym(
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9, synonym_type, 40,
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MakeInstructionDescriptor(25, spv::Op::OpFunctionEnd, 0))
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.IsApplicable(context.get(), transformation_context));
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// Domination rules are not satisfied.
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ASSERT_FALSE(TransformationAddSynonym(
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27, synonym_type, 40,
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MakeInstructionDescriptor(27, spv::Op::OpLoad, 0))
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(TransformationAddSynonym(
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27, synonym_type, 40,
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MakeInstructionDescriptor(22, spv::Op::OpStore, 1))
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.IsApplicable(context.get(), transformation_context));
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}
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}
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TEST(TransformationAddSynonymTest, AddZeroSubZeroMulOne) {
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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 1
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%7 = OpConstant %6 0
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%8 = OpConstant %6 1
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%9 = OpConstant %6 34
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%10 = OpTypeInt 32 0
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%13 = OpConstant %10 34
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%14 = OpTypeFloat 32
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%15 = OpConstant %14 0
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%16 = OpConstant %14 1
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%17 = OpConstant %14 34
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%18 = OpTypeVector %14 2
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%19 = OpConstantComposite %18 %15 %15
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%20 = OpConstantComposite %18 %16 %16
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%21 = OpConstant %14 3
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%22 = OpConstant %14 4
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%23 = OpConstantComposite %18 %21 %22
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%24 = OpTypeVector %6 2
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%25 = OpConstantComposite %24 %7 %7
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%26 = OpConstantComposite %24 %8 %8
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%27 = OpConstant %6 3
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%28 = OpConstant %6 4
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%29 = OpConstantComposite %24 %27 %28
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%30 = OpTypeVector %10 2
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%33 = OpConstant %10 3
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%34 = OpConstant %10 4
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%35 = OpConstantComposite %30 %33 %34
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%36 = OpTypeBool
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%37 = OpTypeVector %36 2
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%38 = OpConstantTrue %36
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%39 = OpConstantComposite %37 %38 %38
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%40 = OpConstant %6 37
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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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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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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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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auto insert_before = MakeInstructionDescriptor(5, spv::Op::OpReturn, 0);
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uint32_t fresh_id = 50;
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for (auto synonym_type : {protobufs::TransformationAddSynonym::ADD_ZERO,
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protobufs::TransformationAddSynonym::SUB_ZERO,
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protobufs::TransformationAddSynonym::MUL_ONE}) {
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ASSERT_TRUE(
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TransformationAddSynonym::IsAdditionalConstantRequired(synonym_type));
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// Can't create a synonym of a scalar or a vector of a wrong (in this case -
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// boolean) type.
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ASSERT_FALSE(
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TransformationAddSynonym(38, synonym_type, fresh_id, insert_before)
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(
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TransformationAddSynonym(39, synonym_type, fresh_id, insert_before)
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.IsApplicable(context.get(), transformation_context));
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// Required constant is not present in the module.
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ASSERT_FALSE(
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TransformationAddSynonym(13, synonym_type, fresh_id, insert_before)
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(
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TransformationAddSynonym(35, synonym_type, fresh_id, insert_before)
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.IsApplicable(context.get(), transformation_context));
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for (auto result_id : {9, 17, 23, 29}) {
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TransformationAddSynonym transformation(result_id, synonym_type, fresh_id,
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insert_before);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(result_id, {}), MakeDataDescriptor(fresh_id, {})));
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++fresh_id;
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}
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}
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{
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TransformationAddSynonym transformation(
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40, protobufs::TransformationAddSynonym::BITWISE_OR, fresh_id,
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insert_before);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(40, {}), MakeDataDescriptor(fresh_id, {})));
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++fresh_id;
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}
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{
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TransformationAddSynonym transformation(
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40, protobufs::TransformationAddSynonym::BITWISE_XOR, fresh_id,
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insert_before);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(40, {}), MakeDataDescriptor(fresh_id, {})));
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}
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std::string expected_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 1
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%7 = OpConstant %6 0
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%8 = OpConstant %6 1
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%9 = OpConstant %6 34
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%10 = OpTypeInt 32 0
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%13 = OpConstant %10 34
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%14 = OpTypeFloat 32
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%15 = OpConstant %14 0
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%16 = OpConstant %14 1
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%17 = OpConstant %14 34
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%18 = OpTypeVector %14 2
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%19 = OpConstantComposite %18 %15 %15
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%20 = OpConstantComposite %18 %16 %16
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%21 = OpConstant %14 3
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%22 = OpConstant %14 4
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%23 = OpConstantComposite %18 %21 %22
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%24 = OpTypeVector %6 2
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%25 = OpConstantComposite %24 %7 %7
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%26 = OpConstantComposite %24 %8 %8
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%27 = OpConstant %6 3
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%28 = OpConstant %6 4
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%29 = OpConstantComposite %24 %27 %28
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%30 = OpTypeVector %10 2
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%33 = OpConstant %10 3
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%34 = OpConstant %10 4
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%35 = OpConstantComposite %30 %33 %34
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%36 = OpTypeBool
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%37 = OpTypeVector %36 2
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%38 = OpConstantTrue %36
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%39 = OpConstantComposite %37 %38 %38
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%40 = OpConstant %6 37
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%50 = OpIAdd %6 %9 %7
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%51 = OpFAdd %14 %17 %15
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%52 = OpFAdd %18 %23 %19
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%53 = OpIAdd %24 %29 %25
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%54 = OpISub %6 %9 %7
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%55 = OpFSub %14 %17 %15
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%56 = OpFSub %18 %23 %19
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%57 = OpISub %24 %29 %25
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%58 = OpIMul %6 %9 %8
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%59 = OpFMul %14 %17 %16
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%60 = OpFMul %18 %23 %20
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%61 = OpIMul %24 %29 %26
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%62 = OpBitwiseOr %6 %40 %7
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%63 = OpBitwiseXor %6 %40 %7
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, expected_shader, context.get()));
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}
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TEST(TransformationAddSynonymTest, LogicalAndLogicalOr) {
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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 = OpTypeBool
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%7 = OpConstantFalse %6
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%9 = OpConstantTrue %6
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%10 = OpTypeVector %6 2
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%11 = OpConstantComposite %10 %7 %9
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%12 = OpConstantComposite %10 %7 %7
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%13 = OpConstantComposite %10 %9 %9
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%14 = OpTypeFloat 32
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%17 = OpConstant %14 35
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%18 = OpTypeVector %14 2
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%21 = OpConstant %14 3
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%22 = OpConstant %14 4
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%23 = OpConstantComposite %18 %21 %22
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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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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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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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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auto insert_before = MakeInstructionDescriptor(5, spv::Op::OpReturn, 0);
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uint32_t fresh_id = 50;
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for (auto synonym_type : {protobufs::TransformationAddSynonym::LOGICAL_AND,
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protobufs::TransformationAddSynonym::LOGICAL_OR}) {
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ASSERT_TRUE(
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TransformationAddSynonym::IsAdditionalConstantRequired(synonym_type));
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// Can't create a synonym of a scalar or a vector of a wrong (in this case -
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// float) type.
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ASSERT_FALSE(
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TransformationAddSynonym(17, synonym_type, fresh_id, insert_before)
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(
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TransformationAddSynonym(23, synonym_type, fresh_id, insert_before)
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.IsApplicable(context.get(), transformation_context));
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for (auto result_id : {9, 11}) {
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TransformationAddSynonym transformation(result_id, synonym_type, fresh_id,
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insert_before);
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ASSERT_TRUE(
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transformation.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation, context.get(),
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&transformation_context);
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(result_id, {}), MakeDataDescriptor(fresh_id, {})));
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++fresh_id;
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}
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}
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std::string expected_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 = OpTypeBool
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%7 = OpConstantFalse %6
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%9 = OpConstantTrue %6
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%10 = OpTypeVector %6 2
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%11 = OpConstantComposite %10 %7 %9
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%12 = OpConstantComposite %10 %7 %7
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%13 = OpConstantComposite %10 %9 %9
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%14 = OpTypeFloat 32
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%17 = OpConstant %14 35
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%18 = OpTypeVector %14 2
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%21 = OpConstant %14 3
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%22 = OpConstant %14 4
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%23 = OpConstantComposite %18 %21 %22
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%50 = OpLogicalAnd %6 %9 %9
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%51 = OpLogicalAnd %10 %11 %13
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%52 = OpLogicalOr %6 %9 %7
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%53 = OpLogicalOr %10 %11 %12
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, expected_shader, context.get()));
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}
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TEST(TransformationAddSynonymTest, LogicalAndConstantIsNotPresent) {
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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 = OpTypeBool
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%7 = OpConstantFalse %6
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%10 = OpTypeVector %6 2
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%12 = OpConstantComposite %10 %7 %7
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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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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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,
|
|
kConsoleMessageConsumer));
|
|
TransformationContext transformation_context(
|
|
MakeUnique<FactManager>(context.get()), validator_options);
|
|
auto insert_before = MakeInstructionDescriptor(5, spv::Op::OpReturn, 0);
|
|
const auto synonym_type = protobufs::TransformationAddSynonym::LOGICAL_AND;
|
|
|
|
// Required constant is not present in the module.
|
|
ASSERT_FALSE(TransformationAddSynonym(7, synonym_type, 50, insert_before)
|
|
.IsApplicable(context.get(), transformation_context));
|
|
ASSERT_FALSE(TransformationAddSynonym(12, synonym_type, 50, insert_before)
|
|
.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, LogicalOrConstantIsNotPresent) {
|
|
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 = OpTypeBool
|
|
%7 = OpConstantTrue %6
|
|
%10 = OpTypeVector %6 2
|
|
%12 = OpConstantComposite %10 %7 %7
|
|
%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);
|
|
auto insert_before = MakeInstructionDescriptor(5, spv::Op::OpReturn, 0);
|
|
const auto synonym_type = protobufs::TransformationAddSynonym::LOGICAL_OR;
|
|
|
|
// Required constant is not present in the module.
|
|
ASSERT_FALSE(TransformationAddSynonym(7, synonym_type, 50, insert_before)
|
|
.IsApplicable(context.get(), transformation_context));
|
|
ASSERT_FALSE(TransformationAddSynonym(12, synonym_type, 50, insert_before)
|
|
.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, CopyObject) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpDecorate %8 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 4
|
|
%10 = OpTypeFloat 32
|
|
%11 = OpTypePointer Function %10
|
|
%13 = OpConstant %10 4
|
|
%14 = OpTypeVector %10 2
|
|
%15 = OpTypePointer Function %14
|
|
%17 = OpConstant %10 3.4000001
|
|
%18 = OpConstantComposite %14 %17 %17
|
|
%19 = OpTypeBool
|
|
%20 = OpTypeStruct %19
|
|
%21 = OpTypePointer Function %20
|
|
%23 = OpConstantTrue %19
|
|
%24 = OpConstantComposite %20 %23
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%12 = OpVariable %11 Function
|
|
%16 = OpVariable %15 Function
|
|
%22 = OpVariable %21 Function
|
|
OpStore %8 %9
|
|
OpStore %12 %13
|
|
OpStore %16 %18
|
|
OpStore %22 %24
|
|
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);
|
|
auto insert_before = MakeInstructionDescriptor(5, spv::Op::OpReturn, 0);
|
|
const auto synonym_type = protobufs::TransformationAddSynonym::COPY_OBJECT;
|
|
|
|
ASSERT_FALSE(
|
|
TransformationAddSynonym::IsAdditionalConstantRequired(synonym_type));
|
|
|
|
uint32_t fresh_id = 50;
|
|
for (auto result_id : {9, 13, 17, 18, 23, 24, 22}) {
|
|
TransformationAddSynonym transformation(result_id, synonym_type, fresh_id,
|
|
insert_before);
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(result_id, {}), MakeDataDescriptor(fresh_id, {})));
|
|
++fresh_id;
|
|
}
|
|
|
|
std::string expected_shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpDecorate %8 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpConstant %6 4
|
|
%10 = OpTypeFloat 32
|
|
%11 = OpTypePointer Function %10
|
|
%13 = OpConstant %10 4
|
|
%14 = OpTypeVector %10 2
|
|
%15 = OpTypePointer Function %14
|
|
%17 = OpConstant %10 3.4000001
|
|
%18 = OpConstantComposite %14 %17 %17
|
|
%19 = OpTypeBool
|
|
%20 = OpTypeStruct %19
|
|
%21 = OpTypePointer Function %20
|
|
%23 = OpConstantTrue %19
|
|
%24 = OpConstantComposite %20 %23
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%12 = OpVariable %11 Function
|
|
%16 = OpVariable %15 Function
|
|
%22 = OpVariable %21 Function
|
|
OpStore %8 %9
|
|
OpStore %12 %13
|
|
OpStore %16 %18
|
|
OpStore %22 %24
|
|
%50 = OpCopyObject %6 %9
|
|
%51 = OpCopyObject %10 %13
|
|
%52 = OpCopyObject %10 %17
|
|
%53 = OpCopyObject %14 %18
|
|
%54 = OpCopyObject %19 %23
|
|
%55 = OpCopyObject %20 %24
|
|
%56 = OpCopyObject %21 %22
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
ASSERT_TRUE(IsEqual(env, expected_shader, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, CopyBooleanConstants) {
|
|
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
|
|
%7 = OpConstantTrue %6
|
|
%8 = OpConstantFalse %6
|
|
%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);
|
|
ASSERT_EQ(0, transformation_context.GetFactManager()
|
|
->GetIdsForWhichSynonymsAreKnown()
|
|
.size());
|
|
|
|
{
|
|
TransformationAddSynonym copy_true(
|
|
7, protobufs::TransformationAddSynonym::COPY_OBJECT, 100,
|
|
MakeInstructionDescriptor(5, spv::Op::OpReturn, 0));
|
|
ASSERT_TRUE(copy_true.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(copy_true, context.get(), &transformation_context);
|
|
|
|
std::vector<uint32_t> ids_for_which_synonyms_are_known =
|
|
transformation_context.GetFactManager()
|
|
->GetIdsForWhichSynonymsAreKnown();
|
|
ASSERT_EQ(2, ids_for_which_synonyms_are_known.size());
|
|
ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(),
|
|
ids_for_which_synonyms_are_known.end(),
|
|
7) != ids_for_which_synonyms_are_known.end());
|
|
ASSERT_EQ(
|
|
2, transformation_context.GetFactManager()->GetSynonymsForId(7).size());
|
|
protobufs::DataDescriptor descriptor_100 = MakeDataDescriptor(100, {});
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(7, {}), descriptor_100));
|
|
}
|
|
|
|
{
|
|
TransformationAddSynonym copy_false(
|
|
8, protobufs::TransformationAddSynonym::COPY_OBJECT, 101,
|
|
MakeInstructionDescriptor(100, spv::Op::OpReturn, 0));
|
|
ASSERT_TRUE(copy_false.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(copy_false, context.get(), &transformation_context);
|
|
std::vector<uint32_t> ids_for_which_synonyms_are_known =
|
|
transformation_context.GetFactManager()
|
|
->GetIdsForWhichSynonymsAreKnown();
|
|
ASSERT_EQ(4, ids_for_which_synonyms_are_known.size());
|
|
ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(),
|
|
ids_for_which_synonyms_are_known.end(),
|
|
8) != ids_for_which_synonyms_are_known.end());
|
|
ASSERT_EQ(
|
|
2, transformation_context.GetFactManager()->GetSynonymsForId(8).size());
|
|
protobufs::DataDescriptor descriptor_101 = MakeDataDescriptor(101, {});
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(8, {}), descriptor_101));
|
|
}
|
|
|
|
{
|
|
TransformationAddSynonym copy_false_again(
|
|
101, protobufs::TransformationAddSynonym::COPY_OBJECT, 102,
|
|
MakeInstructionDescriptor(5, spv::Op::OpReturn, 0));
|
|
ASSERT_TRUE(
|
|
copy_false_again.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(copy_false_again, context.get(),
|
|
&transformation_context);
|
|
std::vector<uint32_t> ids_for_which_synonyms_are_known =
|
|
transformation_context.GetFactManager()
|
|
->GetIdsForWhichSynonymsAreKnown();
|
|
ASSERT_EQ(5, ids_for_which_synonyms_are_known.size());
|
|
ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(),
|
|
ids_for_which_synonyms_are_known.end(),
|
|
101) != ids_for_which_synonyms_are_known.end());
|
|
ASSERT_EQ(
|
|
3,
|
|
transformation_context.GetFactManager()->GetSynonymsForId(101).size());
|
|
protobufs::DataDescriptor descriptor_102 = MakeDataDescriptor(102, {});
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(101, {}), descriptor_102));
|
|
}
|
|
|
|
{
|
|
TransformationAddSynonym copy_true_again(
|
|
7, protobufs::TransformationAddSynonym::COPY_OBJECT, 103,
|
|
MakeInstructionDescriptor(102, spv::Op::OpReturn, 0));
|
|
ASSERT_TRUE(
|
|
copy_true_again.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(copy_true_again, context.get(),
|
|
&transformation_context);
|
|
std::vector<uint32_t> ids_for_which_synonyms_are_known =
|
|
transformation_context.GetFactManager()
|
|
->GetIdsForWhichSynonymsAreKnown();
|
|
ASSERT_EQ(6, ids_for_which_synonyms_are_known.size());
|
|
ASSERT_TRUE(std::find(ids_for_which_synonyms_are_known.begin(),
|
|
ids_for_which_synonyms_are_known.end(),
|
|
7) != ids_for_which_synonyms_are_known.end());
|
|
ASSERT_EQ(
|
|
3, transformation_context.GetFactManager()->GetSynonymsForId(7).size());
|
|
protobufs::DataDescriptor descriptor_103 = MakeDataDescriptor(103, {});
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(7, {}), descriptor_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
|
|
%7 = OpConstantTrue %6
|
|
%8 = OpConstantFalse %6
|
|
%3 = OpTypeFunction %2
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%100 = OpCopyObject %6 %7
|
|
%101 = OpCopyObject %6 %8
|
|
%102 = OpCopyObject %6 %101
|
|
%103 = OpCopyObject %6 %7
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, CheckIllegalCases) {
|
|
// The following SPIR-V comes from this GLSL, pushed through spirv-opt
|
|
// and then doctored a bit.
|
|
//
|
|
// #version 310 es
|
|
//
|
|
// precision highp float;
|
|
//
|
|
// struct S {
|
|
// int a;
|
|
// float b;
|
|
// };
|
|
//
|
|
// layout(set = 0, binding = 2) uniform block {
|
|
// S s;
|
|
// lowp float f;
|
|
// int ii;
|
|
// } ubuf;
|
|
//
|
|
// layout(location = 0) out vec4 color;
|
|
//
|
|
// void main() {
|
|
// float c = 0.0;
|
|
// lowp float d = 0.0;
|
|
// S localS = ubuf.s;
|
|
// for (int i = 0; i < ubuf.s.a; i++) {
|
|
// switch (ubuf.ii) {
|
|
// case 0:
|
|
// c += 0.1;
|
|
// d += 0.2;
|
|
// case 1:
|
|
// c += 0.1;
|
|
// if (c > d) {
|
|
// d += 0.2;
|
|
// } else {
|
|
// d += c;
|
|
// }
|
|
// break;
|
|
// default:
|
|
// i += 1;
|
|
// localS.b += d;
|
|
// }
|
|
// }
|
|
// color = vec4(c, d, localS.b, 1.0);
|
|
// }
|
|
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main" %80
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 310
|
|
OpName %4 "main"
|
|
OpName %12 "S"
|
|
OpMemberName %12 0 "a"
|
|
OpMemberName %12 1 "b"
|
|
OpName %15 "S"
|
|
OpMemberName %15 0 "a"
|
|
OpMemberName %15 1 "b"
|
|
OpName %16 "block"
|
|
OpMemberName %16 0 "s"
|
|
OpMemberName %16 1 "f"
|
|
OpMemberName %16 2 "ii"
|
|
OpName %18 "ubuf"
|
|
OpName %80 "color"
|
|
OpMemberDecorate %12 0 RelaxedPrecision
|
|
OpMemberDecorate %15 0 RelaxedPrecision
|
|
OpMemberDecorate %15 0 Offset 0
|
|
OpMemberDecorate %15 1 Offset 4
|
|
OpMemberDecorate %16 0 Offset 0
|
|
OpMemberDecorate %16 1 RelaxedPrecision
|
|
OpMemberDecorate %16 1 Offset 16
|
|
OpMemberDecorate %16 2 RelaxedPrecision
|
|
OpMemberDecorate %16 2 Offset 20
|
|
OpDecorate %16 Block
|
|
OpDecorate %18 DescriptorSet 0
|
|
OpDecorate %18 Binding 2
|
|
OpDecorate %38 RelaxedPrecision
|
|
OpDecorate %43 RelaxedPrecision
|
|
OpDecorate %53 RelaxedPrecision
|
|
OpDecorate %62 RelaxedPrecision
|
|
OpDecorate %69 RelaxedPrecision
|
|
OpDecorate %77 RelaxedPrecision
|
|
OpDecorate %80 Location 0
|
|
OpDecorate %101 RelaxedPrecision
|
|
OpDecorate %102 RelaxedPrecision
|
|
OpDecorate %96 RelaxedPrecision
|
|
OpDecorate %108 RelaxedPrecision
|
|
OpDecorate %107 RelaxedPrecision
|
|
OpDecorate %98 RelaxedPrecision
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeFloat 32
|
|
%9 = OpConstant %6 0
|
|
%11 = OpTypeInt 32 1
|
|
%12 = OpTypeStruct %11 %6
|
|
%15 = OpTypeStruct %11 %6
|
|
%16 = OpTypeStruct %15 %6 %11
|
|
%17 = OpTypePointer Uniform %16
|
|
%18 = OpVariable %17 Uniform
|
|
%19 = OpConstant %11 0
|
|
%20 = OpTypePointer Uniform %15
|
|
%27 = OpConstant %11 1
|
|
%36 = OpTypePointer Uniform %11
|
|
%39 = OpTypeBool
|
|
%41 = OpConstant %11 2
|
|
%48 = OpConstant %6 0.100000001
|
|
%51 = OpConstant %6 0.200000003
|
|
%78 = OpTypeVector %6 4
|
|
%79 = OpTypePointer Output %78
|
|
%80 = OpVariable %79 Output
|
|
%85 = OpConstant %6 1
|
|
%95 = OpUndef %12
|
|
%112 = OpTypePointer Uniform %6
|
|
%113 = OpTypeInt 32 0
|
|
%114 = OpConstant %113 1
|
|
%179 = OpTypePointer Function %39
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%180 = OpVariable %179 Function
|
|
%181 = OpVariable %179 Function
|
|
%182 = OpVariable %179 Function
|
|
%21 = OpAccessChain %20 %18 %19
|
|
%115 = OpAccessChain %112 %21 %114
|
|
%116 = OpLoad %6 %115
|
|
%90 = OpCompositeInsert %12 %116 %95 1
|
|
OpBranch %30
|
|
%30 = OpLabel
|
|
%99 = OpPhi %12 %90 %5 %109 %47
|
|
%98 = OpPhi %6 %9 %5 %107 %47
|
|
%97 = OpPhi %6 %9 %5 %105 %47
|
|
%96 = OpPhi %11 %19 %5 %77 %47
|
|
%37 = OpAccessChain %36 %18 %19 %19
|
|
%38 = OpLoad %11 %37
|
|
%40 = OpSLessThan %39 %96 %38
|
|
OpLoopMerge %32 %47 None
|
|
OpBranchConditional %40 %31 %32
|
|
%31 = OpLabel
|
|
%42 = OpAccessChain %36 %18 %41
|
|
%43 = OpLoad %11 %42
|
|
OpSelectionMerge %45 None
|
|
OpSwitch %43 %46 0 %44 1 %45
|
|
%46 = OpLabel
|
|
%69 = OpIAdd %11 %96 %27
|
|
%72 = OpCompositeExtract %6 %99 1
|
|
%73 = OpFAdd %6 %72 %98
|
|
%93 = OpCompositeInsert %12 %73 %99 1
|
|
OpBranch %47
|
|
%44 = OpLabel
|
|
%50 = OpFAdd %6 %97 %48
|
|
%53 = OpFAdd %6 %98 %51
|
|
OpBranch %45
|
|
%45 = OpLabel
|
|
%101 = OpPhi %6 %98 %31 %53 %44
|
|
%100 = OpPhi %6 %97 %31 %50 %44
|
|
%55 = OpFAdd %6 %100 %48
|
|
%58 = OpFOrdGreaterThan %39 %55 %101
|
|
OpSelectionMerge %60 None
|
|
OpBranchConditional %58 %59 %63
|
|
%59 = OpLabel
|
|
%62 = OpFAdd %6 %101 %51
|
|
OpBranch %60
|
|
%63 = OpLabel
|
|
%66 = OpFAdd %6 %101 %55
|
|
OpBranch %60
|
|
%60 = OpLabel
|
|
%108 = OpPhi %6 %62 %59 %66 %63
|
|
OpBranch %47
|
|
%47 = OpLabel
|
|
%109 = OpPhi %12 %93 %46 %99 %60
|
|
%107 = OpPhi %6 %98 %46 %108 %60
|
|
%105 = OpPhi %6 %97 %46 %55 %60
|
|
%102 = OpPhi %11 %69 %46 %96 %60
|
|
%77 = OpIAdd %11 %102 %27
|
|
OpBranch %30
|
|
%32 = OpLabel
|
|
%84 = OpCompositeExtract %6 %99 1
|
|
%86 = OpCompositeConstruct %78 %97 %98 %84 %85
|
|
OpStore %80 %86
|
|
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);
|
|
// Inapplicable because %18 is decorated.
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
18, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(21, spv::Op::OpAccessChain, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because %77 is decorated.
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
77, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(77, spv::Op::OpBranch, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because %80 is decorated.
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
80, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(77, spv::Op::OpIAdd, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because %84 is not available at the requested point
|
|
ASSERT_FALSE(
|
|
TransformationAddSynonym(
|
|
84, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(32, spv::Op::OpCompositeExtract, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Fine because %84 is available at the requested point
|
|
ASSERT_TRUE(
|
|
TransformationAddSynonym(
|
|
84, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(32, spv::Op::OpCompositeConstruct, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because id %9 is already in use
|
|
ASSERT_FALSE(
|
|
TransformationAddSynonym(
|
|
84, protobufs::TransformationAddSynonym::COPY_OBJECT, 9,
|
|
MakeInstructionDescriptor(32, spv::Op::OpCompositeConstruct, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because the requested point does not exist
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
84, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(86, spv::Op::OpReturn, 2))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because %9 is not in a function
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(9, spv::Op::OpTypeInt, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because the insert point is right before, or inside, a chunk
|
|
// of OpPhis
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(30, spv::Op::OpPhi, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(99, spv::Op::OpPhi, 1))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// OK, because the insert point is just after a chunk of OpPhis.
|
|
ASSERT_TRUE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(96, spv::Op::OpAccessChain, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because the insert point is right after an OpSelectionMerge
|
|
ASSERT_FALSE(
|
|
TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(58, spv::Op::OpBranchConditional, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// OK, because the insert point is right before the OpSelectionMerge
|
|
ASSERT_TRUE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(58, spv::Op::OpSelectionMerge, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because the insert point is right after an OpSelectionMerge
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(43, spv::Op::OpSwitch, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// OK, because the insert point is right before the OpSelectionMerge
|
|
ASSERT_TRUE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(43, spv::Op::OpSelectionMerge, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because the insert point is right after an OpLoopMerge
|
|
ASSERT_FALSE(
|
|
TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(40, spv::Op::OpBranchConditional, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// OK, because the insert point is right before the OpLoopMerge
|
|
ASSERT_TRUE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(40, spv::Op::OpLoopMerge, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because id %300 does not exist
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
300, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(40, spv::Op::OpLoopMerge, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// Inapplicable because the following instruction is OpVariable
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(180, spv::Op::OpVariable, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(181, spv::Op::OpVariable, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(182, spv::Op::OpVariable, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
// OK, because this is just past the group of OpVariable instructions.
|
|
ASSERT_TRUE(TransformationAddSynonym(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 200,
|
|
MakeInstructionDescriptor(182, spv::Op::OpAccessChain, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, MiscellaneousCopies) {
|
|
// The following SPIR-V comes from this GLSL:
|
|
//
|
|
// #version 310 es
|
|
//
|
|
// precision highp float;
|
|
//
|
|
// float g;
|
|
//
|
|
// vec4 h;
|
|
//
|
|
// void main() {
|
|
// int a;
|
|
// int b;
|
|
// b = int(g);
|
|
// h.x = float(a);
|
|
// }
|
|
|
|
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"
|
|
OpName %8 "b"
|
|
OpName %11 "g"
|
|
OpName %16 "h"
|
|
OpName %17 "a"
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpTypeFloat 32
|
|
%10 = OpTypePointer Private %9
|
|
%11 = OpVariable %10 Private
|
|
%14 = OpTypeVector %9 4
|
|
%15 = OpTypePointer Private %14
|
|
%16 = OpVariable %15 Private
|
|
%20 = OpTypeInt 32 0
|
|
%21 = OpConstant %20 0
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%17 = OpVariable %7 Function
|
|
%12 = OpLoad %9 %11
|
|
%13 = OpConvertFToS %6 %12
|
|
OpStore %8 %13
|
|
%18 = OpLoad %6 %17
|
|
%19 = OpConvertSToF %9 %18
|
|
%22 = OpAccessChain %10 %16 %21
|
|
OpStore %22 %19
|
|
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);
|
|
std::vector<TransformationAddSynonym> transformations = {
|
|
TransformationAddSynonym(
|
|
19, protobufs::TransformationAddSynonym::COPY_OBJECT, 100,
|
|
MakeInstructionDescriptor(22, spv::Op::OpStore, 0)),
|
|
TransformationAddSynonym(
|
|
22, protobufs::TransformationAddSynonym::COPY_OBJECT, 101,
|
|
MakeInstructionDescriptor(22, spv::Op::OpCopyObject, 0)),
|
|
TransformationAddSynonym(
|
|
12, protobufs::TransformationAddSynonym::COPY_OBJECT, 102,
|
|
MakeInstructionDescriptor(22, spv::Op::OpCopyObject, 0)),
|
|
TransformationAddSynonym(
|
|
11, protobufs::TransformationAddSynonym::COPY_OBJECT, 103,
|
|
MakeInstructionDescriptor(22, spv::Op::OpCopyObject, 0)),
|
|
TransformationAddSynonym(
|
|
16, protobufs::TransformationAddSynonym::COPY_OBJECT, 104,
|
|
MakeInstructionDescriptor(22, spv::Op::OpCopyObject, 0)),
|
|
TransformationAddSynonym(
|
|
8, protobufs::TransformationAddSynonym::COPY_OBJECT, 105,
|
|
MakeInstructionDescriptor(22, spv::Op::OpCopyObject, 0)),
|
|
TransformationAddSynonym(
|
|
17, protobufs::TransformationAddSynonym::COPY_OBJECT, 106,
|
|
MakeInstructionDescriptor(22, spv::Op::OpCopyObject, 0))};
|
|
|
|
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
|
|
OpName %4 "main"
|
|
OpName %8 "b"
|
|
OpName %11 "g"
|
|
OpName %16 "h"
|
|
OpName %17 "a"
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%9 = OpTypeFloat 32
|
|
%10 = OpTypePointer Private %9
|
|
%11 = OpVariable %10 Private
|
|
%14 = OpTypeVector %9 4
|
|
%15 = OpTypePointer Private %14
|
|
%16 = OpVariable %15 Private
|
|
%20 = OpTypeInt 32 0
|
|
%21 = OpConstant %20 0
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%17 = OpVariable %7 Function
|
|
%12 = OpLoad %9 %11
|
|
%13 = OpConvertFToS %6 %12
|
|
OpStore %8 %13
|
|
%18 = OpLoad %6 %17
|
|
%19 = OpConvertSToF %9 %18
|
|
%22 = OpAccessChain %10 %16 %21
|
|
%106 = OpCopyObject %7 %17
|
|
%105 = OpCopyObject %7 %8
|
|
%104 = OpCopyObject %15 %16
|
|
%103 = OpCopyObject %10 %11
|
|
%102 = OpCopyObject %9 %12
|
|
%101 = OpCopyObject %10 %22
|
|
%100 = OpCopyObject %9 %19
|
|
OpStore %22 %19
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, DoNotCopyNullPointers) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
OpCapability VariablePointers
|
|
%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 = OpConstantNull %7
|
|
%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);
|
|
// Illegal to copy null.
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
8, protobufs::TransformationAddSynonym::COPY_OBJECT, 100,
|
|
MakeInstructionDescriptor(5, spv::Op::OpReturn, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, PropagateIrrelevantPointeeFact) {
|
|
// Checks that if a pointer is known to have an irrelevant value, the same
|
|
// holds after the pointer is copied.
|
|
|
|
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
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%9 = OpVariable %7 Function
|
|
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);
|
|
transformation_context.GetFactManager()->AddFactValueOfPointeeIsIrrelevant(8);
|
|
|
|
TransformationAddSynonym transformation1(
|
|
8, protobufs::TransformationAddSynonym::COPY_OBJECT, 100,
|
|
MakeInstructionDescriptor(9, spv::Op::OpReturn, 0));
|
|
TransformationAddSynonym transformation2(
|
|
9, protobufs::TransformationAddSynonym::COPY_OBJECT, 101,
|
|
MakeInstructionDescriptor(9, spv::Op::OpReturn, 0));
|
|
TransformationAddSynonym transformation3(
|
|
100, protobufs::TransformationAddSynonym::COPY_OBJECT, 102,
|
|
MakeInstructionDescriptor(9, spv::Op::OpReturn, 0));
|
|
|
|
ASSERT_TRUE(
|
|
transformation1.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation1, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(
|
|
transformation2.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation2, context.get(),
|
|
&transformation_context);
|
|
ASSERT_TRUE(
|
|
transformation3.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation3, context.get(),
|
|
&transformation_context);
|
|
|
|
ASSERT_TRUE(
|
|
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(8));
|
|
ASSERT_TRUE(
|
|
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
|
|
ASSERT_TRUE(
|
|
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
|
|
ASSERT_FALSE(
|
|
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(9));
|
|
ASSERT_FALSE(
|
|
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, DoNotCopyOpSampledImage) {
|
|
// This checks that we do not try to copy the result id of an OpSampledImage
|
|
// instruction.
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
OpCapability SampledBuffer
|
|
OpCapability ImageBuffer
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %2 "main" %40 %41
|
|
OpExecutionMode %2 OriginUpperLeft
|
|
OpSource GLSL 450
|
|
OpDecorate %40 DescriptorSet 0
|
|
OpDecorate %40 Binding 69
|
|
OpDecorate %41 DescriptorSet 0
|
|
OpDecorate %41 Binding 1
|
|
%54 = OpTypeFloat 32
|
|
%76 = OpTypeVector %54 4
|
|
%55 = OpConstant %54 0
|
|
%56 = OpTypeVector %54 3
|
|
%94 = OpTypeVector %54 2
|
|
%112 = OpConstantComposite %94 %55 %55
|
|
%57 = OpConstantComposite %56 %55 %55 %55
|
|
%15 = OpTypeImage %54 2D 2 0 0 1 Unknown
|
|
%114 = OpTypePointer UniformConstant %15
|
|
%38 = OpTypeSampler
|
|
%125 = OpTypePointer UniformConstant %38
|
|
%132 = OpTypeVoid
|
|
%133 = OpTypeFunction %132
|
|
%45 = OpTypeSampledImage %15
|
|
%40 = OpVariable %114 UniformConstant
|
|
%41 = OpVariable %125 UniformConstant
|
|
%2 = OpFunction %132 None %133
|
|
%164 = OpLabel
|
|
%184 = OpLoad %15 %40
|
|
%213 = OpLoad %38 %41
|
|
%216 = OpSampledImage %45 %184 %213
|
|
%217 = OpImageSampleImplicitLod %76 %216 %112 Bias %55
|
|
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;
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TransformationContext transformation_context(
|
|
MakeUnique<FactManager>(context.get()), validator_options);
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ASSERT_FALSE(
|
|
TransformationAddSynonym(
|
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216, protobufs::TransformationAddSynonym::COPY_OBJECT, 500,
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|
MakeInstructionDescriptor(217, spv::Op::OpImageSampleImplicitLod, 0))
|
|
.IsApplicable(context.get(), transformation_context));
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|
}
|
|
|
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TEST(TransformationAddSynonymTest, DoNotCopyVoidRunctionResult) {
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// This checks that we do not try to copy the result of a void function.
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std::string shader = R"(
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|
OpCapability Shader
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|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
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|
OpExecutionMode %4 OriginUpperLeft
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|
OpSource ESSL 320
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|
OpName %4 "main"
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|
OpName %6 "foo("
|
|
%2 = OpTypeVoid
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|
%3 = OpTypeFunction %2
|
|
%4 = OpFunction %2 None %3
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|
%5 = OpLabel
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|
%8 = OpFunctionCall %2 %6
|
|
OpReturn
|
|
OpFunctionEnd
|
|
%6 = OpFunction %2 None %3
|
|
%7 = 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;
|
|
TransformationContext transformation_context(
|
|
MakeUnique<FactManager>(context.get()), validator_options);
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
8, protobufs::TransformationAddSynonym::COPY_OBJECT, 500,
|
|
MakeInstructionDescriptor(8, spv::Op::OpReturn, 0))
|
|
.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
TEST(TransformationAddSynonymTest, HandlesDeadBlocks) {
|
|
std::string shader = R"(
|
|
OpCapability Shader
|
|
%1 = OpExtInstImport "GLSL.std.450"
|
|
OpMemoryModel Logical GLSL450
|
|
OpEntryPoint Fragment %4 "main"
|
|
OpExecutionMode %4 OriginUpperLeft
|
|
OpSource ESSL 320
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeBool
|
|
%7 = OpConstantTrue %6
|
|
%11 = OpTypePointer Function %6
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%12 = OpVariable %11 Function
|
|
OpSelectionMerge %10 None
|
|
OpBranchConditional %7 %8 %9
|
|
%8 = OpLabel
|
|
OpBranch %10
|
|
%9 = OpLabel
|
|
OpBranch %10
|
|
%10 = 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;
|
|
TransformationContext transformation_context(
|
|
MakeUnique<FactManager>(context.get()), validator_options);
|
|
|
|
transformation_context.GetFactManager()->AddFactBlockIsDead(9);
|
|
|
|
auto insert_before = MakeInstructionDescriptor(9, spv::Op::OpBranch, 0);
|
|
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
7, protobufs::TransformationAddSynonym::COPY_OBJECT, 100,
|
|
insert_before)
|
|
.IsApplicable(context.get(), transformation_context));
|
|
|
|
ASSERT_FALSE(TransformationAddSynonym(
|
|
12, protobufs::TransformationAddSynonym::COPY_OBJECT, 100,
|
|
insert_before)
|
|
.IsApplicable(context.get(), transformation_context));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|