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// Copyright (c) 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "source/fuzz/transformation_vector_shuffle.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "source/fuzz/instruction_descriptor.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationVectorShuffleTest, BasicTest) {
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 = OpTypeVector %6 2
%10 = OpConstantTrue %6
%11 = OpConstantFalse %6
%12 = OpConstantComposite %7 %10 %11
%112 = OpUndef %7
%13 = OpTypeVector %6 3
%16 = OpConstantComposite %13 %10 %11 %10
%17 = OpTypeVector %6 4
%20 = OpConstantComposite %17 %10 %11 %10 %11
%21 = OpTypeInt 32 1
%22 = OpTypeVector %21 2
%25 = OpConstant %21 1
%26 = OpConstant %21 0
%27 = OpConstantComposite %22 %25 %26
%28 = OpTypeVector %21 3
%31 = OpConstantComposite %28 %25 %26 %25
%32 = OpTypeVector %21 4
%33 = OpTypePointer Function %32
%35 = OpConstantComposite %32 %25 %26 %25 %26
%36 = OpTypeInt 32 0
%37 = OpTypeVector %36 2
%40 = OpConstant %36 1
%41 = OpConstant %36 0
%42 = OpConstantComposite %37 %40 %41
%43 = OpTypeVector %36 3
%46 = OpConstantComposite %43 %40 %41 %40
%47 = OpTypeVector %36 4
%50 = OpConstantComposite %47 %40 %41 %40 %41
%51 = OpTypeFloat 32
%55 = OpConstant %51 1
%56 = OpConstant %51 0
%58 = OpTypeVector %51 3
%61 = OpConstantComposite %58 %55 %56 %55
%62 = OpTypeVector %51 4
%65 = OpConstantComposite %62 %55 %56 %55 %56
%4 = OpFunction %2 None %3
%5 = OpLabel
OpSelectionMerge %100 None
OpBranchConditional %10 %101 %102
%101 = OpLabel
%103 = OpCompositeConstruct %62 %55 %55 %55 %56
OpBranch %100
%102 = OpLabel
OpBranch %100
%100 = 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()->AddFactDataSynonym(
MakeDataDescriptor(10, {}), MakeDataDescriptor(12, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(11, {}), MakeDataDescriptor(12, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(10, {}), MakeDataDescriptor(16, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(11, {}), MakeDataDescriptor(16, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(10, {}), MakeDataDescriptor(16, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(10, {}), MakeDataDescriptor(20, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(11, {}), MakeDataDescriptor(20, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(10, {}), MakeDataDescriptor(20, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(11, {}), MakeDataDescriptor(20, {3}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(25, {}), MakeDataDescriptor(27, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(26, {}), MakeDataDescriptor(27, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(25, {}), MakeDataDescriptor(31, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(26, {}), MakeDataDescriptor(31, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(25, {}), MakeDataDescriptor(31, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(25, {}), MakeDataDescriptor(35, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(26, {}), MakeDataDescriptor(35, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(25, {}), MakeDataDescriptor(35, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(26, {}), MakeDataDescriptor(35, {3}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(40, {}), MakeDataDescriptor(42, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(41, {}), MakeDataDescriptor(42, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(40, {}), MakeDataDescriptor(46, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(41, {}), MakeDataDescriptor(46, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(40, {}), MakeDataDescriptor(46, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(40, {}), MakeDataDescriptor(50, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(41, {}), MakeDataDescriptor(50, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(40, {}), MakeDataDescriptor(50, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(41, {}), MakeDataDescriptor(50, {3}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(55, {}), MakeDataDescriptor(61, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(56, {}), MakeDataDescriptor(61, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(55, {}), MakeDataDescriptor(61, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(55, {}), MakeDataDescriptor(65, {0}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(56, {}), MakeDataDescriptor(65, {1}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(55, {}), MakeDataDescriptor(65, {2}));
transformation_context.GetFactManager()->AddFactDataSynonym(
MakeDataDescriptor(56, {}), MakeDataDescriptor(65, {3}));
// %103 does not dominate the return instruction.
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 103, 65,
{3, 5, 7})
.IsApplicable(context.get(), transformation_context));
// Illegal to shuffle a bvec2 and a vec3
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 112, 61,
{0, 2, 4})
.IsApplicable(context.get(), transformation_context));
// Illegal to shuffle an ivec2 and a uvec4
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 27, 50,
{1, 3, 5})
.IsApplicable(context.get(), transformation_context));
// Vector 1 does not exist
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 300, 50,
{1, 3, 5})
.IsApplicable(context.get(), transformation_context));
// Vector 2 does not exist
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 27, 300,
{1, 3, 5})
.IsApplicable(context.get(), transformation_context));
// Index out of range
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 12, 112, {0, 20})
.IsApplicable(context.get(), transformation_context));
// Too many indices
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 12, 112,
{0, 1, 0, 1, 0, 1, 0, 1})
.IsApplicable(context.get(), transformation_context));
// Too few indices
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 12, 112, {})
.IsApplicable(context.get(), transformation_context));
// Too few indices again
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 12, 112, {0})
.IsApplicable(context.get(), transformation_context));
// Indices define unknown type: we do not have vec2
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 65, 65, {0, 1})
.IsApplicable(context.get(), transformation_context));
// The instruction to insert before does not exist
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpCompositeConstruct, 1),
201, 20, 12, {0xFFFFFFFF, 3, 5})
.IsApplicable(context.get(), transformation_context));
// The 'fresh' id is already in use
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 12, 12, 112, {})
.IsApplicable(context.get(), transformation_context));
protobufs::DataDescriptor temp_dd;
TransformationVectorShuffle transformation1(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 12, 112, {1, 0});
ASSERT_TRUE(
transformation1.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation1, context.get(),
&transformation_context);
temp_dd = MakeDataDescriptor(200, {0});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(11, {}), temp_dd));
temp_dd = MakeDataDescriptor(200, {1});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(10, {}), temp_dd));
TransformationVectorShuffle transformation2(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 201, 20, 12,
{0xFFFFFFFF, 3, 5});
ASSERT_TRUE(
transformation2.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation2, context.get(),
&transformation_context);
temp_dd = MakeDataDescriptor(201, {1});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(11, {}), temp_dd));
temp_dd = MakeDataDescriptor(201, {2});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(11, {}), temp_dd));
TransformationVectorShuffle transformation3(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 202, 27, 35, {5, 4, 1});
ASSERT_TRUE(
transformation3.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation3, context.get(),
&transformation_context);
temp_dd = MakeDataDescriptor(202, {0});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(26, {}), temp_dd));
temp_dd = MakeDataDescriptor(202, {1});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(25, {}), temp_dd));
temp_dd = MakeDataDescriptor(202, {2});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(26, {}), temp_dd));
TransformationVectorShuffle transformation4(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 203, 42, 46, {0, 1});
ASSERT_TRUE(
transformation4.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation4, context.get(),
&transformation_context);
temp_dd = MakeDataDescriptor(203, {0});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(40, {}), temp_dd));
temp_dd = MakeDataDescriptor(203, {1});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(41, {}), temp_dd));
TransformationVectorShuffle transformation5(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 204, 42, 46, {2, 3, 4});
ASSERT_TRUE(
transformation5.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation5, context.get(),
&transformation_context);
temp_dd = MakeDataDescriptor(204, {0});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(40, {}), temp_dd));
temp_dd = MakeDataDescriptor(204, {1});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(41, {}), temp_dd));
temp_dd = MakeDataDescriptor(204, {2});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(40, {}), temp_dd));
TransformationVectorShuffle transformation6(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 205, 42, 42,
{0, 1, 2, 3});
ASSERT_TRUE(
transformation6.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation6, context.get(),
&transformation_context);
temp_dd = MakeDataDescriptor(205, {0});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(40, {}), temp_dd));
temp_dd = MakeDataDescriptor(205, {1});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(41, {}), temp_dd));
temp_dd = MakeDataDescriptor(205, {2});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(40, {}), temp_dd));
temp_dd = MakeDataDescriptor(205, {3});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(41, {}), temp_dd));
// swizzle vec4 from vec4 and vec4 using some undefs
TransformationVectorShuffle transformation7(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 206, 65, 65,
{0xFFFFFFFF, 3, 6, 0xFFFFFFFF});
ASSERT_TRUE(
transformation7.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation7, context.get(),
&transformation_context);
temp_dd = MakeDataDescriptor(206, {1});
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(56, {}), temp_dd));
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
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeBool
%7 = OpTypeVector %6 2
%10 = OpConstantTrue %6
%11 = OpConstantFalse %6
%12 = OpConstantComposite %7 %10 %11
%112 = OpUndef %7
%13 = OpTypeVector %6 3
%16 = OpConstantComposite %13 %10 %11 %10
%17 = OpTypeVector %6 4
%20 = OpConstantComposite %17 %10 %11 %10 %11
%21 = OpTypeInt 32 1
%22 = OpTypeVector %21 2
%25 = OpConstant %21 1
%26 = OpConstant %21 0
%27 = OpConstantComposite %22 %25 %26
%28 = OpTypeVector %21 3
%31 = OpConstantComposite %28 %25 %26 %25
%32 = OpTypeVector %21 4
%33 = OpTypePointer Function %32
%35 = OpConstantComposite %32 %25 %26 %25 %26
%36 = OpTypeInt 32 0
%37 = OpTypeVector %36 2
%40 = OpConstant %36 1
%41 = OpConstant %36 0
%42 = OpConstantComposite %37 %40 %41
%43 = OpTypeVector %36 3
%46 = OpConstantComposite %43 %40 %41 %40
%47 = OpTypeVector %36 4
%50 = OpConstantComposite %47 %40 %41 %40 %41
%51 = OpTypeFloat 32
%55 = OpConstant %51 1
%56 = OpConstant %51 0
%58 = OpTypeVector %51 3
%61 = OpConstantComposite %58 %55 %56 %55
%62 = OpTypeVector %51 4
%65 = OpConstantComposite %62 %55 %56 %55 %56
%4 = OpFunction %2 None %3
%5 = OpLabel
OpSelectionMerge %100 None
OpBranchConditional %10 %101 %102
%101 = OpLabel
%103 = OpCompositeConstruct %62 %55 %55 %55 %56
OpBranch %100
%102 = OpLabel
OpBranch %100
%100 = OpLabel
%200 = OpVectorShuffle %7 %12 %112 1 0
%201 = OpVectorShuffle %13 %20 %12 0xFFFFFFFF 3 5
%202 = OpVectorShuffle %28 %27 %35 5 4 1
%203 = OpVectorShuffle %37 %42 %46 0 1
%204 = OpVectorShuffle %43 %42 %46 2 3 4
%205 = OpVectorShuffle %47 %42 %42 0 1 2 3
%206 = OpVectorShuffle %62 %65 %65 0xFFFFFFFF 3 6 0xFFFFFFFF
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
TEST(TransformationVectorShuffleTest, IllegalInsertionPoints) {
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main" %51 %27
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
OpName %4 "main"
OpName %25 "buf"
OpMemberName %25 0 "value"
OpName %27 ""
OpName %51 "color"
OpMemberDecorate %25 0 Offset 0
OpDecorate %25 Block
OpDecorate %27 DescriptorSet 0
OpDecorate %27 Binding 0
OpDecorate %51 Location 0
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 32
%7 = OpTypeVector %6 4
%150 = OpTypeVector %6 2
%10 = OpConstant %6 0.300000012
%11 = OpConstant %6 0.400000006
%12 = OpConstant %6 0.5
%13 = OpConstant %6 1
%14 = OpConstantComposite %7 %10 %11 %12 %13
%15 = OpTypeInt 32 1
%18 = OpConstant %15 0
%25 = OpTypeStruct %6
%26 = OpTypePointer Uniform %25
%27 = OpVariable %26 Uniform
%28 = OpTypePointer Uniform %6
%32 = OpTypeBool
%103 = OpConstantTrue %32
%34 = OpConstant %6 0.100000001
%48 = OpConstant %15 1
%50 = OpTypePointer Output %7
%51 = OpVariable %50 Output
%100 = OpTypePointer Function %6
%4 = OpFunction %2 None %3
%5 = OpLabel
%101 = OpVariable %100 Function
%102 = OpVariable %100 Function
OpBranch %19
%19 = OpLabel
%60 = OpPhi %7 %14 %5 %58 %20
%59 = OpPhi %15 %18 %5 %49 %20
%29 = OpAccessChain %28 %27 %18
%30 = OpLoad %6 %29
%31 = OpConvertFToS %15 %30
%33 = OpSLessThan %32 %59 %31
OpLoopMerge %21 %20 None
OpBranchConditional %33 %20 %21
%20 = OpLabel
%39 = OpCompositeExtract %6 %60 0
%40 = OpFAdd %6 %39 %34
%55 = OpCompositeInsert %7 %40 %60 0
%44 = OpCompositeExtract %6 %60 1
%45 = OpFSub %6 %44 %34
%58 = OpCompositeInsert %7 %45 %55 1
%49 = OpIAdd %15 %59 %48
OpBranch %19
%21 = OpLabel
OpStore %51 %60
OpSelectionMerge %105 None
OpBranchConditional %103 %104 %105
%104 = OpLabel
OpBranch %105
%105 = 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);
// Cannot insert before the OpVariables of a function.
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(101, SpvOpVariable, 0), 200, 14, 14, {0, 1})
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(101, SpvOpVariable, 1), 200, 14, 14, {1, 2})
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(102, SpvOpVariable, 0), 200, 14, 14, {1, 2})
.IsApplicable(context.get(), transformation_context));
// OK to insert right after the OpVariables.
ASSERT_FALSE(
TransformationVectorShuffle(
MakeInstructionDescriptor(102, SpvOpBranch, 1), 200, 14, 14, {1, 1})
.IsApplicable(context.get(), transformation_context));
// Cannot insert before the OpPhis of a block.
ASSERT_FALSE(
TransformationVectorShuffle(MakeInstructionDescriptor(60, SpvOpPhi, 0),
200, 14, 14, {2, 0})
.IsApplicable(context.get(), transformation_context));
ASSERT_FALSE(
TransformationVectorShuffle(MakeInstructionDescriptor(59, SpvOpPhi, 0),
200, 14, 14, {3, 0})
.IsApplicable(context.get(), transformation_context));
// OK to insert after the OpPhis.
ASSERT_TRUE(TransformationVectorShuffle(
MakeInstructionDescriptor(59, SpvOpAccessChain, 0), 200, 14,
14, {3, 4})
.IsApplicable(context.get(), transformation_context));
// Cannot insert before OpLoopMerge
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(33, SpvOpBranchConditional, 0),
200, 14, 14, {3})
.IsApplicable(context.get(), transformation_context));
// Cannot insert before OpSelectionMerge
ASSERT_FALSE(TransformationVectorShuffle(
MakeInstructionDescriptor(21, SpvOpBranchConditional, 0),
200, 14, 14, {2})
.IsApplicable(context.get(), transformation_context));
}
TEST(TransformationVectorShuffleTest, HandlesIrrelevantIds1) {
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 = OpTypeVector %6 2
%10 = OpConstantTrue %6
%11 = OpConstantFalse %6
%12 = OpConstantComposite %7 %10 %11
%112 = OpConstantComposite %7 %11 %10
%13 = OpTypeVector %6 3
%16 = OpConstantComposite %13 %10 %11 %10
%17 = OpTypeVector %6 4
%20 = OpConstantComposite %17 %10 %11 %10 %11
%21 = OpTypeInt 32 1
%22 = OpTypeVector %21 2
%25 = OpConstant %21 1
%26 = OpConstant %21 0
%27 = OpConstantComposite %22 %25 %26
%28 = OpTypeVector %21 3
%31 = OpConstantComposite %28 %25 %26 %25
%32 = OpTypeVector %21 4
%33 = OpTypePointer Function %32
%35 = OpConstantComposite %32 %25 %26 %25 %26
%36 = OpTypeInt 32 0
%37 = OpTypeVector %36 2
%40 = OpConstant %36 1
%41 = OpConstant %36 0
%42 = OpConstantComposite %37 %40 %41
%43 = OpTypeVector %36 3
%46 = OpConstantComposite %43 %40 %41 %40
%47 = OpTypeVector %36 4
%50 = OpConstantComposite %47 %40 %41 %40 %41
%51 = OpTypeFloat 32
%55 = OpConstant %51 1
%56 = OpConstant %51 0
%58 = OpTypeVector %51 3
%61 = OpConstantComposite %58 %55 %56 %55
%62 = OpTypeVector %51 4
%65 = OpConstantComposite %62 %55 %56 %55 %56
%4 = OpFunction %2 None %3
%5 = OpLabel
OpSelectionMerge %100 None
OpBranchConditional %10 %101 %102
%101 = OpLabel
%103 = OpCompositeConstruct %62 %55 %55 %55 %56
OpBranch %100
%102 = OpLabel
OpBranch %100
%100 = 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);
TransformationVectorShuffle transformation(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 12, 112, {2, 0});
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(12, {0}), MakeDataDescriptor(200, {1})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(112, {0}), MakeDataDescriptor(200, {0})));
}
TEST(TransformationVectorShuffleTest, HandlesIrrelevantIds2) {
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 = OpTypeVector %6 2
%10 = OpConstantTrue %6
%11 = OpConstantFalse %6
%12 = OpConstantComposite %7 %10 %11
%112 = OpConstantComposite %7 %11 %10
%13 = OpTypeVector %6 3
%16 = OpConstantComposite %13 %10 %11 %10
%17 = OpTypeVector %6 4
%20 = OpConstantComposite %17 %10 %11 %10 %11
%21 = OpTypeInt 32 1
%22 = OpTypeVector %21 2
%25 = OpConstant %21 1
%26 = OpConstant %21 0
%27 = OpConstantComposite %22 %25 %26
%28 = OpTypeVector %21 3
%31 = OpConstantComposite %28 %25 %26 %25
%32 = OpTypeVector %21 4
%33 = OpTypePointer Function %32
%35 = OpConstantComposite %32 %25 %26 %25 %26
%36 = OpTypeInt 32 0
%37 = OpTypeVector %36 2
%40 = OpConstant %36 1
%41 = OpConstant %36 0
%42 = OpConstantComposite %37 %40 %41
%43 = OpTypeVector %36 3
%46 = OpConstantComposite %43 %40 %41 %40
%47 = OpTypeVector %36 4
%50 = OpConstantComposite %47 %40 %41 %40 %41
%51 = OpTypeFloat 32
%55 = OpConstant %51 1
%56 = OpConstant %51 0
%58 = OpTypeVector %51 3
%61 = OpConstantComposite %58 %55 %56 %55
%62 = OpTypeVector %51 4
%65 = OpConstantComposite %62 %55 %56 %55 %56
%4 = OpFunction %2 None %3
%5 = OpLabel
OpSelectionMerge %100 None
OpBranchConditional %10 %101 %102
%101 = OpLabel
%103 = OpCompositeConstruct %62 %55 %55 %55 %56
OpBranch %100
%102 = OpLabel
OpBranch %100
%100 = 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()->AddFactIdIsIrrelevant(112);
TransformationVectorShuffle transformation(
MakeInstructionDescriptor(100, SpvOpReturn, 0), 200, 12, 112, {2, 0});
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(), &transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Because %12 is not irrelevant, we get a synonym between it and %200[1].
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(12, {0}), MakeDataDescriptor(200, {1})));
// Because %112 is irrelevant, we do not get a synonym between it and %200[0].
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(112, {0}), MakeDataDescriptor(200, {0})));
}
TEST(TransformationVectorShuffleTest, HandlesIrrelevantIds3) {
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
%40 = 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()->AddFactIdIsIrrelevant(40);
transformation_context.GetFactManager()->AddFactBlockIsDead(15);
TransformationVectorShuffle transformation1(
MakeInstructionDescriptor(15, SpvOpBranch, 0), 200, 12, 12, {0, 3});
ASSERT_TRUE(
transformation1.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation1, context.get(),
&transformation_context);
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(200, {0}), MakeDataDescriptor(12, {0})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(200, {1}), MakeDataDescriptor(12, {1})));
TransformationVectorShuffle transformation2(
MakeInstructionDescriptor(16, SpvOpReturn, 0), 201, 12, 40, {0, 1});
ASSERT_TRUE(
transformation2.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation2, context.get(),
&transformation_context);
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(201, {0}), MakeDataDescriptor(12, {0})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(201, {1}), MakeDataDescriptor(12, {1})));
TransformationVectorShuffle transformation3(
MakeInstructionDescriptor(16, SpvOpReturn, 0), 202, 40, 12, {2, 3});
ASSERT_TRUE(
transformation3.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation3, context.get(),
&transformation_context);
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(202, {0}), MakeDataDescriptor(12, {0})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(202, {1}), MakeDataDescriptor(12, {1})));
TransformationVectorShuffle transformation4(
MakeInstructionDescriptor(16, SpvOpReturn, 0), 203, 40, 12, {0, 3});
ASSERT_TRUE(
transformation4.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation4, context.get(),
&transformation_context);
// Because %40 is irrelevant we do not get a synonym between it and %203[0].
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(203, {0}), MakeDataDescriptor(40, {0})));
// Because %12 is *not* irrelevant we do get a synonym between it and %203[1].
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(203, {1}), MakeDataDescriptor(12, {1})));
}
} // namespace
} // namespace fuzz
} // namespace spvtools