mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-10-18 11:10:05 +00:00
3d39517961
To help ensure that optimizations that do less cautious invalidation of analyses are implemented correctly, this change adds checks to the tests of various transformations to ensure that analyses such as def-use are up to date.
649 lines
26 KiB
C++
649 lines
26 KiB
C++
// Copyright (c) 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "source/fuzz/transformation_composite_extract.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(TransformationCompositeExtractTest, BasicTest) {
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std::string shader = R"(
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OpCapability Shader
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%1 = OpExtInstImport "GLSL.std.450"
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OpMemoryModel Logical GLSL450
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OpEntryPoint Fragment %4 "main"
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OpExecutionMode %4 OriginUpperLeft
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OpSource ESSL 310
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OpName %4 "main"
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OpName %8 "a"
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OpName %10 "b"
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OpName %17 "FunnyPoint"
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OpMemberName %17 0 "x"
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OpMemberName %17 1 "y"
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OpMemberName %17 2 "z"
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OpName %19 "p"
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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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%12 = OpTypeBool
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%16 = OpTypeFloat 32
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%17 = OpTypeStruct %16 %16 %6
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%81 = OpTypeStruct %17 %16
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%18 = OpTypePointer Function %17
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%20 = OpConstant %6 0
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%23 = OpTypePointer Function %16
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%26 = OpConstant %6 1
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%30 = OpConstant %6 2
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%80 = OpUndef %16
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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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%10 = OpVariable %7 Function
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%19 = OpVariable %18 Function
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%9 = OpLoad %6 %8
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%11 = OpLoad %6 %10
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%100 = OpCompositeConstruct %17 %80 %80 %26
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%104 = OpCompositeConstruct %81 %100 %80
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%13 = OpIEqual %12 %9 %11
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OpSelectionMerge %15 None
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OpBranchConditional %13 %14 %25
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%14 = OpLabel
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%21 = OpLoad %6 %8
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%22 = OpConvertSToF %16 %21
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%101 = OpCompositeConstruct %17 %22 %80 %30
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%24 = OpAccessChain %23 %19 %20
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OpStore %24 %22
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OpBranch %15
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%25 = OpLabel
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%27 = OpLoad %6 %10
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%28 = OpConvertSToF %16 %27
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%102 = OpCompositeConstruct %17 %80 %28 %27
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%29 = OpAccessChain %23 %19 %26
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OpStore %29 %28
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OpBranch %15
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%15 = OpLabel
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%31 = OpAccessChain %23 %19 %20
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%32 = OpLoad %16 %31
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%33 = OpAccessChain %23 %19 %26
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%34 = OpLoad %16 %33
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%103 = OpCompositeConstruct %17 %34 %32 %9
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%35 = OpFAdd %16 %32 %34
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%36 = OpConvertFToS %6 %35
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%37 = OpAccessChain %7 %19 %30
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OpStore %37 %36
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OpReturn
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OpFunctionEnd
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)";
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const auto env = SPV_ENV_UNIVERSAL_1_4;
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const auto consumer = nullptr;
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const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// Instruction does not exist.
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ASSERT_FALSE(TransformationCompositeExtract(
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MakeInstructionDescriptor(36, SpvOpIAdd, 0), 200, 101, {0})
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.IsApplicable(context.get(), transformation_context));
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// Id for composite is not a composite.
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(37, SpvOpAccessChain, 0), 200, 32, {})
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.IsApplicable(context.get(), transformation_context));
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// Composite does not dominate instruction being inserted before.
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(37, SpvOpAccessChain, 0), 200, 101, {0})
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.IsApplicable(context.get(), transformation_context));
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// Too many indices for extraction from struct composite.
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(24, SpvOpAccessChain, 0), 200, 101, {0, 0})
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.IsApplicable(context.get(), transformation_context));
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// Too many indices for extraction from struct composite.
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(13, SpvOpIEqual, 0), 200, 104, {0, 0, 0})
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.IsApplicable(context.get(), transformation_context));
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// Out of bounds index for extraction from struct composite.
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(13, SpvOpIEqual, 0), 200, 104, {0, 3})
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.IsApplicable(context.get(), transformation_context));
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// Result id already used.
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ASSERT_FALSE(TransformationCompositeExtract(
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MakeInstructionDescriptor(35, SpvOpFAdd, 0), 80, 103, {0})
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.IsApplicable(context.get(), transformation_context));
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TransformationCompositeExtract transformation_1(
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MakeInstructionDescriptor(36, SpvOpConvertFToS, 0), 201, 100, {2});
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ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(201));
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ASSERT_EQ(nullptr, context->get_instr_block(201));
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uint32_t num_uses_of_100_before = context->get_def_use_mgr()->NumUses(100);
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ASSERT_TRUE(
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transformation_1.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation_1, context.get(),
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&transformation_context);
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ASSERT_EQ(SpvOpCompositeExtract,
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context->get_def_use_mgr()->GetDef(201)->opcode());
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ASSERT_EQ(15, context->get_instr_block(201)->id());
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ASSERT_EQ(num_uses_of_100_before + 1,
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context->get_def_use_mgr()->NumUses(100));
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationCompositeExtract transformation_2(
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MakeInstructionDescriptor(37, SpvOpAccessChain, 0), 202, 104, {0, 2});
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ASSERT_TRUE(
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transformation_2.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation_2, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationCompositeExtract transformation_3(
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MakeInstructionDescriptor(29, SpvOpAccessChain, 0), 203, 104, {0});
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ASSERT_TRUE(
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transformation_3.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation_3, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationCompositeExtract transformation_4(
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MakeInstructionDescriptor(24, SpvOpStore, 0), 204, 101, {0});
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ASSERT_TRUE(
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transformation_4.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation_4, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationCompositeExtract transformation_5(
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MakeInstructionDescriptor(29, SpvOpBranch, 0), 205, 102, {2});
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ASSERT_TRUE(
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transformation_5.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation_5, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationCompositeExtract transformation_6(
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MakeInstructionDescriptor(37, SpvOpReturn, 0), 206, 103, {1});
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ASSERT_TRUE(
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transformation_6.IsApplicable(context.get(), transformation_context));
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ApplyAndCheckFreshIds(transformation_6, context.get(),
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&transformation_context);
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(201, {}), MakeDataDescriptor(100, {2})));
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(202, {}), MakeDataDescriptor(104, {0, 2})));
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(203, {}), MakeDataDescriptor(104, {0})));
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(204, {}), MakeDataDescriptor(101, {0})));
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(205, {}), MakeDataDescriptor(102, {2})));
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ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
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MakeDataDescriptor(206, {}), MakeDataDescriptor(103, {1})));
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std::string after_transformation = 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 "a"
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OpName %10 "b"
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OpName %17 "FunnyPoint"
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OpMemberName %17 0 "x"
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OpMemberName %17 1 "y"
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OpMemberName %17 2 "z"
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OpName %19 "p"
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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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%12 = OpTypeBool
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%16 = OpTypeFloat 32
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%17 = OpTypeStruct %16 %16 %6
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%81 = OpTypeStruct %17 %16
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%18 = OpTypePointer Function %17
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%20 = OpConstant %6 0
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%23 = OpTypePointer Function %16
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%26 = OpConstant %6 1
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%30 = OpConstant %6 2
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%80 = OpUndef %16
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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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%10 = OpVariable %7 Function
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%19 = OpVariable %18 Function
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%9 = OpLoad %6 %8
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%11 = OpLoad %6 %10
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%100 = OpCompositeConstruct %17 %80 %80 %26
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%104 = OpCompositeConstruct %81 %100 %80
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%13 = OpIEqual %12 %9 %11
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OpSelectionMerge %15 None
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OpBranchConditional %13 %14 %25
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%14 = OpLabel
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%21 = OpLoad %6 %8
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%22 = OpConvertSToF %16 %21
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%101 = OpCompositeConstruct %17 %22 %80 %30
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%24 = OpAccessChain %23 %19 %20
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%204 = OpCompositeExtract %16 %101 0
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OpStore %24 %22
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OpBranch %15
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%25 = OpLabel
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%27 = OpLoad %6 %10
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%28 = OpConvertSToF %16 %27
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%102 = OpCompositeConstruct %17 %80 %28 %27
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%203 = OpCompositeExtract %17 %104 0
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%29 = OpAccessChain %23 %19 %26
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OpStore %29 %28
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%205 = OpCompositeExtract %6 %102 2
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OpBranch %15
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%15 = OpLabel
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%31 = OpAccessChain %23 %19 %20
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%32 = OpLoad %16 %31
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%33 = OpAccessChain %23 %19 %26
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%34 = OpLoad %16 %33
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%103 = OpCompositeConstruct %17 %34 %32 %9
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%35 = OpFAdd %16 %32 %34
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%201 = OpCompositeExtract %6 %100 2
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%36 = OpConvertFToS %6 %35
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%202 = OpCompositeExtract %6 %104 0 2
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%37 = OpAccessChain %7 %19 %30
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OpStore %37 %36
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%206 = OpCompositeExtract %16 %103 1
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OpReturn
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OpFunctionEnd
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)";
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ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
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}
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TEST(TransformationCompositeExtractTest, IllegalInsertionPoints) {
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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" %51 %27
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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 %25 "buf"
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OpMemberName %25 0 "value"
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OpName %27 ""
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OpName %51 "color"
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OpMemberDecorate %25 0 Offset 0
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OpDecorate %25 Block
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OpDecorate %27 DescriptorSet 0
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OpDecorate %27 Binding 0
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OpDecorate %51 Location 0
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%2 = OpTypeVoid
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%3 = OpTypeFunction %2
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%6 = OpTypeFloat 32
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%7 = OpTypeVector %6 4
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%10 = OpConstant %6 0.300000012
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%11 = OpConstant %6 0.400000006
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%12 = OpConstant %6 0.5
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%13 = OpConstant %6 1
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%14 = OpConstantComposite %7 %10 %11 %12 %13
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%15 = OpTypeInt 32 1
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%18 = OpConstant %15 0
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%25 = OpTypeStruct %6
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%26 = OpTypePointer Uniform %25
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%27 = OpVariable %26 Uniform
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%28 = OpTypePointer Uniform %6
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%32 = OpTypeBool
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%103 = OpConstantTrue %32
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%34 = OpConstant %6 0.100000001
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%48 = OpConstant %15 1
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%50 = OpTypePointer Output %7
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%51 = OpVariable %50 Output
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%100 = OpTypePointer Function %6
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%4 = OpFunction %2 None %3
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%5 = OpLabel
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%101 = OpVariable %100 Function
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%102 = OpVariable %100 Function
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OpBranch %19
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%19 = OpLabel
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%60 = OpPhi %7 %14 %5 %58 %20
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%59 = OpPhi %15 %18 %5 %49 %20
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%29 = OpAccessChain %28 %27 %18
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%30 = OpLoad %6 %29
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%31 = OpConvertFToS %15 %30
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%33 = OpSLessThan %32 %59 %31
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OpLoopMerge %21 %20 None
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OpBranchConditional %33 %20 %21
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%20 = OpLabel
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%39 = OpCompositeExtract %6 %60 0
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%40 = OpFAdd %6 %39 %34
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%55 = OpCompositeInsert %7 %40 %60 0
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%44 = OpCompositeExtract %6 %60 1
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%45 = OpFSub %6 %44 %34
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%58 = OpCompositeInsert %7 %45 %55 1
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%49 = OpIAdd %15 %59 %48
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OpBranch %19
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%21 = OpLabel
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OpStore %51 %60
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OpSelectionMerge %105 None
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OpBranchConditional %103 %104 %105
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%104 = OpLabel
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OpBranch %105
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%105 = 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_4;
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const auto consumer = nullptr;
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const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
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spvtools::ValidatorOptions validator_options;
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ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
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kConsoleMessageConsumer));
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TransformationContext transformation_context(
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MakeUnique<FactManager>(context.get()), validator_options);
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// Cannot insert before the OpVariables of a function.
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(101, SpvOpVariable, 0), 200, 14, {0})
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(101, SpvOpVariable, 1), 200, 14, {1})
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(102, SpvOpVariable, 0), 200, 14, {1})
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.IsApplicable(context.get(), transformation_context));
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// OK to insert right after the OpVariables.
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ASSERT_FALSE(TransformationCompositeExtract(
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MakeInstructionDescriptor(102, SpvOpBranch, 1), 200, 14, {1})
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.IsApplicable(context.get(), transformation_context));
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// Cannot insert before the OpPhis of a block.
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ASSERT_FALSE(TransformationCompositeExtract(
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MakeInstructionDescriptor(60, SpvOpPhi, 0), 200, 14, {2})
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.IsApplicable(context.get(), transformation_context));
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ASSERT_FALSE(TransformationCompositeExtract(
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MakeInstructionDescriptor(59, SpvOpPhi, 0), 200, 14, {3})
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.IsApplicable(context.get(), transformation_context));
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// OK to insert after the OpPhis.
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ASSERT_TRUE(
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TransformationCompositeExtract(
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MakeInstructionDescriptor(59, SpvOpAccessChain, 0), 200, 14, {3})
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.IsApplicable(context.get(), transformation_context));
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// Cannot insert before OpLoopMerge
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ASSERT_FALSE(TransformationCompositeExtract(
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MakeInstructionDescriptor(33, SpvOpBranchConditional, 0),
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200, 14, {3})
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.IsApplicable(context.get(), transformation_context));
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// Cannot insert before OpSelectionMerge
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ASSERT_FALSE(TransformationCompositeExtract(
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MakeInstructionDescriptor(21, SpvOpBranchConditional, 0),
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200, 14, {2})
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.IsApplicable(context.get(), transformation_context));
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}
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TEST(TransformationCompositeExtractTest, AddSynonymsForRelevantIds) {
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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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OpName %4 "main"
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OpName %8 "a"
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OpName %10 "b"
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OpName %17 "FunnyPoint"
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OpMemberName %17 0 "x"
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OpMemberName %17 1 "y"
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OpMemberName %17 2 "z"
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OpName %19 "p"
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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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%12 = OpTypeBool
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%16 = OpTypeFloat 32
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%17 = OpTypeStruct %16 %16 %6
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%81 = OpTypeStruct %17 %16
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%18 = OpTypePointer Function %17
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%20 = OpConstant %6 0
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%23 = OpTypePointer Function %16
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%26 = OpConstant %6 1
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%30 = OpConstant %6 2
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%80 = OpUndef %16
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%4 = OpFunction %2 None %3
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%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%19 = OpVariable %18 Function
|
|
%9 = OpLoad %6 %8
|
|
%11 = OpLoad %6 %10
|
|
%100 = OpCompositeConstruct %17 %80 %80 %26
|
|
%104 = OpCompositeConstruct %81 %100 %80
|
|
%13 = OpIEqual %12 %9 %11
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %13 %14 %25
|
|
%14 = OpLabel
|
|
%21 = OpLoad %6 %8
|
|
%22 = OpConvertSToF %16 %21
|
|
%101 = OpCompositeConstruct %17 %22 %80 %30
|
|
%24 = OpAccessChain %23 %19 %20
|
|
OpStore %24 %22
|
|
OpBranch %15
|
|
%25 = OpLabel
|
|
%27 = OpLoad %6 %10
|
|
%28 = OpConvertSToF %16 %27
|
|
%102 = OpCompositeConstruct %17 %80 %28 %27
|
|
%29 = OpAccessChain %23 %19 %26
|
|
OpStore %29 %28
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
%31 = OpAccessChain %23 %19 %20
|
|
%32 = OpLoad %16 %31
|
|
%33 = OpAccessChain %23 %19 %26
|
|
%34 = OpLoad %16 %33
|
|
%103 = OpCompositeConstruct %17 %34 %32 %9
|
|
%35 = OpFAdd %16 %32 %34
|
|
%36 = OpConvertFToS %6 %35
|
|
%37 = OpAccessChain %7 %19 %30
|
|
OpStore %37 %36
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
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);
|
|
TransformationCompositeExtract transformation(
|
|
MakeInstructionDescriptor(36, SpvOpConvertFToS, 0), 201, 100, {2});
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
|
|
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(201, {}), MakeDataDescriptor(100, {2})));
|
|
}
|
|
|
|
TEST(TransformationCompositeExtractTest, DontAddSynonymsForIrrelevantIds) {
|
|
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 "a"
|
|
OpName %10 "b"
|
|
OpName %17 "FunnyPoint"
|
|
OpMemberName %17 0 "x"
|
|
OpMemberName %17 1 "y"
|
|
OpMemberName %17 2 "z"
|
|
OpName %19 "p"
|
|
%2 = OpTypeVoid
|
|
%3 = OpTypeFunction %2
|
|
%6 = OpTypeInt 32 1
|
|
%7 = OpTypePointer Function %6
|
|
%12 = OpTypeBool
|
|
%16 = OpTypeFloat 32
|
|
%17 = OpTypeStruct %16 %16 %6
|
|
%81 = OpTypeStruct %17 %16
|
|
%18 = OpTypePointer Function %17
|
|
%20 = OpConstant %6 0
|
|
%23 = OpTypePointer Function %16
|
|
%26 = OpConstant %6 1
|
|
%30 = OpConstant %6 2
|
|
%80 = OpUndef %16
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%8 = OpVariable %7 Function
|
|
%10 = OpVariable %7 Function
|
|
%19 = OpVariable %18 Function
|
|
%9 = OpLoad %6 %8
|
|
%11 = OpLoad %6 %10
|
|
%100 = OpCompositeConstruct %17 %80 %80 %26
|
|
%104 = OpCompositeConstruct %81 %100 %80
|
|
%13 = OpIEqual %12 %9 %11
|
|
OpSelectionMerge %15 None
|
|
OpBranchConditional %13 %14 %25
|
|
%14 = OpLabel
|
|
%21 = OpLoad %6 %8
|
|
%22 = OpConvertSToF %16 %21
|
|
%101 = OpCompositeConstruct %17 %22 %80 %30
|
|
%24 = OpAccessChain %23 %19 %20
|
|
OpStore %24 %22
|
|
OpBranch %15
|
|
%25 = OpLabel
|
|
%27 = OpLoad %6 %10
|
|
%28 = OpConvertSToF %16 %27
|
|
%102 = OpCompositeConstruct %17 %80 %28 %27
|
|
%29 = OpAccessChain %23 %19 %26
|
|
OpStore %29 %28
|
|
OpBranch %15
|
|
%15 = OpLabel
|
|
%31 = OpAccessChain %23 %19 %20
|
|
%32 = OpLoad %16 %31
|
|
%33 = OpAccessChain %23 %19 %26
|
|
%34 = OpLoad %16 %33
|
|
%103 = OpCompositeConstruct %17 %34 %32 %9
|
|
%35 = OpFAdd %16 %32 %34
|
|
%36 = OpConvertFToS %6 %35
|
|
%37 = OpAccessChain %7 %19 %30
|
|
OpStore %37 %36
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
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()->AddFactIdIsIrrelevant(100);
|
|
TransformationCompositeExtract transformation(
|
|
MakeInstructionDescriptor(36, SpvOpConvertFToS, 0), 201, 100, {2});
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(201, {}), MakeDataDescriptor(100, {2})));
|
|
}
|
|
|
|
TEST(TransformationCompositeExtractTest, DontAddSynonymInDeadBlock) {
|
|
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 = OpTypeInt 32 1
|
|
%7 = OpTypeVector %6 2
|
|
%8 = OpTypePointer Function %7
|
|
%10 = OpConstant %6 0
|
|
%11 = OpConstant %6 1
|
|
%12 = OpConstantComposite %7 %10 %11
|
|
%13 = OpTypeBool
|
|
%14 = OpConstantFalse %13
|
|
%4 = OpFunction %2 None %3
|
|
%5 = OpLabel
|
|
%9 = OpVariable %8 Function
|
|
OpStore %9 %12
|
|
OpSelectionMerge %16 None
|
|
OpBranchConditional %14 %15 %16
|
|
%15 = OpLabel
|
|
OpBranch %16
|
|
%16 = OpLabel
|
|
OpReturn
|
|
OpFunctionEnd
|
|
)";
|
|
|
|
const auto env = SPV_ENV_UNIVERSAL_1_4;
|
|
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()->AddFactBlockIsDead(15);
|
|
TransformationCompositeExtract transformation(
|
|
MakeInstructionDescriptor(15, SpvOpBranch, 0), 100, 12, {0});
|
|
ASSERT_TRUE(
|
|
transformation.IsApplicable(context.get(), transformation_context));
|
|
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
|
|
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
|
|
MakeDataDescriptor(100, {}), MakeDataDescriptor(12, {0})));
|
|
}
|
|
|
|
} // namespace
|
|
} // namespace fuzz
|
|
} // namespace spvtools
|