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// Copyright (c) 2020 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_composite_insert.h"
#include "gtest/gtest.h"
#include "source/fuzz/data_descriptor.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(TransformationCompositeInsertTest, NotApplicableScenarios) {
// This test handles cases where IsApplicable() returns false.
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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b"
OpName %18 "level_1"
OpMemberName %18 0 "b1"
OpMemberName %18 1 "b2"
OpName %20 "l1"
OpName %24 "level_2"
OpMemberName %24 0 "c1"
OpMemberName %24 1 "c2"
OpName %26 "l2"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%12 = OpTypeStruct %6 %6
%13 = OpTypePointer Function %12
%18 = OpTypeStruct %12 %12
%19 = OpTypePointer Function %18
%24 = OpTypeStruct %18 %18
%25 = OpTypePointer Function %24
%30 = OpTypeBool
%31 = OpConstantTrue %30
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
%20 = OpVariable %19 Function
%26 = OpVariable %25 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
OpStore %14 %17
%21 = OpLoad %12 %14
%22 = OpLoad %12 %14
%23 = OpCompositeConstruct %18 %21 %22
OpStore %20 %23
%27 = OpLoad %18 %20
%28 = OpLoad %18 %20
%29 = OpCompositeConstruct %24 %27 %28
OpStore %26 %29
OpSelectionMerge %33 None
OpBranchConditional %31 %32 %33
%32 = OpLabel
OpBranch %33
%33 = 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);
// Bad: |fresh_id| is not fresh.
auto transformation_bad_1 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 20, 29, 11,
{1, 0, 0});
ASSERT_FALSE(
transformation_bad_1.IsApplicable(context.get(), transformation_context));
// Bad: |composite_id| does not refer to a existing instruction.
auto transformation_bad_2 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 50, 40, 11,
{1, 0, 0});
ASSERT_FALSE(
transformation_bad_2.IsApplicable(context.get(), transformation_context));
// Bad: |composite_id| does not refer to a composite value.
auto transformation_bad_3 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 50, 9, 11, {1, 0, 0});
ASSERT_FALSE(
transformation_bad_3.IsApplicable(context.get(), transformation_context));
// Bad: |object_id| does not refer to a defined instruction.
auto transformation_bad_4 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 50, 29, 40,
{1, 0, 0});
ASSERT_FALSE(
transformation_bad_4.IsApplicable(context.get(), transformation_context));
// Bad: |object_id| cannot refer to a pointer.
auto transformation_bad_5 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 50, 29, 8, {1, 0, 0});
ASSERT_FALSE(
transformation_bad_5.IsApplicable(context.get(), transformation_context));
// Bad: |index| is not a correct index.
auto transformation_bad_6 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 50, 29, 11,
{2, 0, 0});
ASSERT_FALSE(
transformation_bad_6.IsApplicable(context.get(), transformation_context));
// Bad: Type id of the object to be inserted and the type id of the
// component at |index| are not the same.
auto transformation_bad_7 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 50, 29, 11, {1, 0});
ASSERT_FALSE(
transformation_bad_7.IsApplicable(context.get(), transformation_context));
// Bad: |instruction_to_insert_before| does not refer to a defined
// instruction.
auto transformation_bad_8 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpIMul, 0), 50, 29, 11, {1, 0, 0});
ASSERT_FALSE(
transformation_bad_8.IsApplicable(context.get(), transformation_context));
// Bad: OpCompositeInsert cannot be inserted before OpBranchConditional with
// OpSelectionMerge above it.
auto transformation_bad_9 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpBranchConditional, 0), 50, 29,
11, {1, 0, 0});
ASSERT_FALSE(
transformation_bad_9.IsApplicable(context.get(), transformation_context));
// Bad: |composite_id| does not have a type_id.
auto transformation_bad_10 = TransformationCompositeInsert(
MakeInstructionDescriptor(29, spv::Op::OpStore, 0), 50, 1, 11, {1, 0, 0});
ASSERT_FALSE(transformation_bad_10.IsApplicable(context.get(),
transformation_context));
}
TEST(TransformationCompositeInsertTest, EmptyCompositeScenarios) {
// This test handles cases where either the composite is empty or the
// composite contains an empty composite.
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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b"
%2 = OpTypeVoid
%60 = OpTypeStruct
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%61 = OpConstantComposite %60
%62 = OpConstantComposite %60
%12 = OpTypeStruct %6 %6
%63 = OpTypeStruct %6 %60
%13 = OpTypePointer Function %12
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
%64 = OpCompositeConstruct %63 %15 %61
OpStore %14 %17
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);
// Bad: The composite with |composite_id| cannot be empty.
auto transformation_bad_1 = TransformationCompositeInsert(
MakeInstructionDescriptor(64, spv::Op::OpStore, 0), 50, 61, 62, {1});
ASSERT_FALSE(
transformation_bad_1.IsApplicable(context.get(), transformation_context));
// Good: It is possible to insert into a composite an element which is an
// empty composite.
auto transformation_good_1 = TransformationCompositeInsert(
MakeInstructionDescriptor(64, spv::Op::OpStore, 0), 50, 64, 62, {1});
ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
transformation_context));
ApplyAndCheckFreshIds(transformation_good_1, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
std::string after_transformations = 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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b"
%2 = OpTypeVoid
%60 = OpTypeStruct
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%61 = OpConstantComposite %60
%62 = OpConstantComposite %60
%12 = OpTypeStruct %6 %6
%63 = OpTypeStruct %6 %60
%13 = OpTypePointer Function %12
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
%64 = OpCompositeConstruct %63 %15 %61
%50 = OpCompositeInsert %63 %62 %64 1
OpStore %14 %17
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformations, context.get()));
}
TEST(TransformationCompositeInsertTest, IrrelevantCompositeNoSynonyms) {
// This test handles cases where either |composite| is irrelevant.
// The transformation shouldn't create any synonyms.
// The member composite has a different number of elements than the parent
// composite.
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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b"
OpName %18 "level_1"
OpMemberName %18 0 "b1"
OpMemberName %18 1 "b2"
OpMemberName %18 2 "b3"
OpName %20 "l1"
OpName %25 "level_2"
OpMemberName %25 0 "c1"
OpMemberName %25 1 "c2"
OpName %27 "l2"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%12 = OpTypeStruct %6 %6
%13 = OpTypePointer Function %12
%18 = OpTypeStruct %12 %12 %12
%19 = OpTypePointer Function %18
%25 = OpTypeStruct %18 %18
%26 = OpTypePointer Function %25
%31 = OpTypeBool
%32 = OpConstantTrue %31
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
%20 = OpVariable %19 Function
%27 = OpVariable %26 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
OpStore %14 %17
%21 = OpLoad %12 %14
%22 = OpLoad %12 %14
%23 = OpLoad %12 %14
%24 = OpCompositeConstruct %18 %21 %22 %23
OpStore %20 %24
%28 = OpLoad %18 %20
%29 = OpLoad %18 %20
%30 = OpCompositeConstruct %25 %28 %29
OpStore %27 %30
OpSelectionMerge %34 None
OpBranchConditional %32 %33 %34
%33 = OpLabel
OpBranch %34
%34 = 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);
// Add fact that the composite is irrelevant.
transformation_context.GetFactManager()->AddFactIdIsIrrelevant(30);
auto transformation_good_1 = TransformationCompositeInsert(
MakeInstructionDescriptor(30, spv::Op::OpStore, 0), 50, 30, 11,
{1, 0, 0});
ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
transformation_context));
ApplyAndCheckFreshIds(transformation_good_1, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// No synonyms that involve the original object - %30 - should have been
// added.
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {0}), MakeDataDescriptor(50, {0})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 1}), MakeDataDescriptor(50, {1, 1})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 2}), MakeDataDescriptor(50, {1, 2})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 0, 1}), MakeDataDescriptor(50, {1, 0, 1})));
// We *should* have a synonym between %11 and the component of %50 into which
// it has been inserted.
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {1, 0, 0}), MakeDataDescriptor(11, {})));
}
TEST(TransformationCompositeInsertTest, IrrelevantObjectNoSynonyms) {
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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b"
OpName %18 "level_1"
OpMemberName %18 0 "b1"
OpMemberName %18 1 "b2"
OpMemberName %18 2 "b3"
OpName %20 "l1"
OpName %25 "level_2"
OpMemberName %25 0 "c1"
OpMemberName %25 1 "c2"
OpName %27 "l2"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%12 = OpTypeStruct %6 %6
%13 = OpTypePointer Function %12
%18 = OpTypeStruct %12 %12 %12
%19 = OpTypePointer Function %18
%25 = OpTypeStruct %18 %18
%26 = OpTypePointer Function %25
%31 = OpTypeBool
%32 = OpConstantTrue %31
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
%20 = OpVariable %19 Function
%27 = OpVariable %26 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
OpStore %14 %17
%21 = OpLoad %12 %14
%22 = OpLoad %12 %14
%23 = OpLoad %12 %14
%24 = OpCompositeConstruct %18 %21 %22 %23
OpStore %20 %24
%28 = OpLoad %18 %20
%29 = OpLoad %18 %20
%30 = OpCompositeConstruct %25 %28 %29
OpStore %27 %30
OpSelectionMerge %34 None
OpBranchConditional %32 %33 %34
%33 = OpLabel
OpBranch %34
%34 = 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);
// Add fact that the object is irrelevant.
transformation_context.GetFactManager()->AddFactIdIsIrrelevant(11);
auto transformation_good_1 = TransformationCompositeInsert(
MakeInstructionDescriptor(30, spv::Op::OpStore, 0), 50, 30, 11,
{1, 0, 0});
ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
transformation_context));
ApplyAndCheckFreshIds(transformation_good_1, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// Since %30 and %50 are not irrelevant, they should be synonymous at all
// indices unaffected by the insertion.
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {0}), MakeDataDescriptor(50, {0})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 1}), MakeDataDescriptor(50, {1, 1})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 2}), MakeDataDescriptor(50, {1, 2})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 0, 1}), MakeDataDescriptor(50, {1, 0, 1})));
// Since %11 is irrelevant it should not be synonymous with the component into
// which it has been inserted.
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {1, 0, 0}), MakeDataDescriptor(11, {})));
}
TEST(TransformationCompositeInsertTest, ApplicableCreatedSynonyms) {
// This test handles cases where neither |composite| nor |object| is
// irrelevant. The transformation should create synonyms.
// The member composite has a different number of elements than the parent
// composite.
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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b"
OpName %18 "level_1"
OpMemberName %18 0 "b1"
OpMemberName %18 1 "b2"
OpMemberName %18 2 "b3"
OpName %20 "l1"
OpName %25 "level_2"
OpMemberName %25 0 "c1"
OpMemberName %25 1 "c2"
OpName %27 "l2"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%12 = OpTypeStruct %6 %6
%13 = OpTypePointer Function %12
%18 = OpTypeStruct %12 %12 %12
%19 = OpTypePointer Function %18
%25 = OpTypeStruct %18 %18
%26 = OpTypePointer Function %25
%31 = OpTypeBool
%32 = OpConstantTrue %31
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
%20 = OpVariable %19 Function
%27 = OpVariable %26 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
OpStore %14 %17
%21 = OpLoad %12 %14
%22 = OpLoad %12 %14
%23 = OpLoad %12 %14
%24 = OpCompositeConstruct %18 %21 %22 %23
OpStore %20 %24
%28 = OpLoad %18 %20
%29 = OpLoad %18 %20
%30 = OpCompositeConstruct %25 %28 %29
OpStore %27 %30
OpSelectionMerge %34 None
OpBranchConditional %32 %33 %34
%33 = OpLabel
OpBranch %34
%34 = 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);
auto transformation_good_1 = TransformationCompositeInsert(
MakeInstructionDescriptor(30, spv::Op::OpStore, 0), 50, 30, 11,
{1, 0, 0});
ASSERT_TRUE(transformation_good_1.IsApplicable(context.get(),
transformation_context));
ApplyAndCheckFreshIds(transformation_good_1, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// These synonyms should have been added.
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {0}), MakeDataDescriptor(50, {0})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 1}), MakeDataDescriptor(50, {1, 1})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 2}), MakeDataDescriptor(50, {1, 2})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 0, 1}), MakeDataDescriptor(50, {1, 0, 1})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {1, 0, 0}), MakeDataDescriptor(11, {})));
// These synonyms should not have been added.
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1}), MakeDataDescriptor(50, {1})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 0}), MakeDataDescriptor(50, {1, 0})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(30, {1, 0, 0}), MakeDataDescriptor(50, {1, 0, 0})));
auto transformation_good_2 = TransformationCompositeInsert(
MakeInstructionDescriptor(50, spv::Op::OpStore, 0), 51, 50, 11,
{0, 1, 1});
ASSERT_TRUE(transformation_good_2.IsApplicable(context.get(),
transformation_context));
ApplyAndCheckFreshIds(transformation_good_2, context.get(),
&transformation_context);
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
// These synonyms should have been added.
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {1}), MakeDataDescriptor(51, {1})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {0, 0}), MakeDataDescriptor(51, {0, 0})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {0, 2}), MakeDataDescriptor(51, {0, 2})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {0, 1, 0}), MakeDataDescriptor(51, {0, 1, 0})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(51, {0, 1, 1}), MakeDataDescriptor(11, {})));
// These synonyms should not have been added.
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {0}), MakeDataDescriptor(51, {0})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {0, 1}), MakeDataDescriptor(51, {0, 1})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(50, {0, 1, 1}), MakeDataDescriptor(51, {0, 1, 1})));
std::string after_transformations = 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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b"
OpName %18 "level_1"
OpMemberName %18 0 "b1"
OpMemberName %18 1 "b2"
OpMemberName %18 2 "b3"
OpName %20 "l1"
OpName %25 "level_2"
OpMemberName %25 0 "c1"
OpMemberName %25 1 "c2"
OpName %27 "l2"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%12 = OpTypeStruct %6 %6
%13 = OpTypePointer Function %12
%18 = OpTypeStruct %12 %12 %12
%19 = OpTypePointer Function %18
%25 = OpTypeStruct %18 %18
%26 = OpTypePointer Function %25
%31 = OpTypeBool
%32 = OpConstantTrue %31
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
%20 = OpVariable %19 Function
%27 = OpVariable %26 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
OpStore %14 %17
%21 = OpLoad %12 %14
%22 = OpLoad %12 %14
%23 = OpLoad %12 %14
%24 = OpCompositeConstruct %18 %21 %22 %23
OpStore %20 %24
%28 = OpLoad %18 %20
%29 = OpLoad %18 %20
%30 = OpCompositeConstruct %25 %28 %29
%50 = OpCompositeInsert %25 %11 %30 1 0 0
%51 = OpCompositeInsert %25 %11 %50 0 1 1
OpStore %27 %30
OpSelectionMerge %34 None
OpBranchConditional %32 %33 %34
%33 = OpLabel
OpBranch %34
%34 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformations, context.get()));
}
TEST(TransformationCompositeInsertTest, IdNotAvailableScenarios) {
// This test handles cases where either the composite or the object is not
// available before the |instruction_to_insert_before|.
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 "i1"
OpName %10 "i2"
OpName %12 "base"
OpMemberName %12 0 "a1"
OpMemberName %12 1 "a2"
OpName %14 "b1"
OpName %18 "b2"
OpName %22 "lvl1"
OpMemberName %22 0 "b1"
OpMemberName %22 1 "b2"
OpName %24 "l1"
OpName %28 "i3"
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Function %6
%9 = OpConstant %6 1
%11 = OpConstant %6 2
%12 = OpTypeStruct %6 %6
%13 = OpTypePointer Function %12
%22 = OpTypeStruct %12 %12
%23 = OpTypePointer Function %22
%4 = OpFunction %2 None %3
%5 = OpLabel
%8 = OpVariable %7 Function
%10 = OpVariable %7 Function
%14 = OpVariable %13 Function
%18 = OpVariable %13 Function
%24 = OpVariable %23 Function
%28 = OpVariable %7 Function
OpStore %8 %9
OpStore %10 %11
%15 = OpLoad %6 %8
%16 = OpLoad %6 %10
%17 = OpCompositeConstruct %12 %15 %16
OpStore %14 %17
%19 = OpLoad %6 %10
%20 = OpLoad %6 %8
%21 = OpCompositeConstruct %12 %19 %20
OpStore %18 %21
%25 = OpLoad %12 %14
%26 = OpLoad %12 %18
%27 = OpCompositeConstruct %22 %25 %26
OpStore %24 %27
%29 = OpLoad %6 %8
%30 = OpLoad %6 %10
%31 = OpIMul %6 %29 %30
OpStore %28 %31
%60 = OpCompositeConstruct %12 %20 %19
%61 = OpCompositeConstruct %22 %26 %25
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);
// Bad: The object with |object_id| is not available at
// |instruction_to_insert_before|.
auto transformation_bad_1 = TransformationCompositeInsert(
MakeInstructionDescriptor(31, spv::Op::OpIMul, 0), 50, 27, 60, {1});
ASSERT_FALSE(
transformation_bad_1.IsApplicable(context.get(), transformation_context));
// Bad: The composite with |composite_id| is not available at
// |instruction_to_insert_before|.
auto transformation_bad_2 = TransformationCompositeInsert(
MakeInstructionDescriptor(31, spv::Op::OpIMul, 0), 50, 61, 21, {1});
ASSERT_FALSE(
transformation_bad_2.IsApplicable(context.get(), transformation_context));
// Bad: The |instruction_to_insert_before| is the composite itself and is
// available.
auto transformation_bad_3 = TransformationCompositeInsert(
MakeInstructionDescriptor(61, spv::Op::OpCompositeConstruct, 0), 50, 61,
21, {1});
ASSERT_FALSE(
transformation_bad_3.IsApplicable(context.get(), transformation_context));
// Bad: The |instruction_to_insert_before| is the object itself and is not
// available.
auto transformation_bad_4 = TransformationCompositeInsert(
MakeInstructionDescriptor(60, spv::Op::OpCompositeConstruct, 0), 50, 27,
60, {1});
ASSERT_FALSE(
transformation_bad_4.IsApplicable(context.get(), transformation_context));
}
TEST(TransformationCompositeInsertTest, CompositeInsertionWithIrrelevantIds) {
// This checks that we do *not* get data synonym facts when we do composite
// insertion using irrelevant ids or in dead blocks.
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %12 "main"
OpExecutionMode %12 OriginUpperLeft
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypeVector %6 2
%8 = OpConstant %6 0
%9 = OpConstantComposite %7 %8 %8
%10 = OpTypeBool
%11 = OpConstantFalse %10
%16 = OpConstant %6 0
%17 = OpConstant %6 1
%18 = OpConstantComposite %7 %8 %8
%12 = OpFunction %2 None %3
%13 = OpLabel
OpSelectionMerge %15 None
OpBranchConditional %11 %14 %15
%14 = OpLabel
OpBranch %15
%15 = 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);
transformation_context.GetFactManager()->AddFactBlockIsDead(14);
transformation_context.GetFactManager()->AddFactIdIsIrrelevant(16);
transformation_context.GetFactManager()->AddFactIdIsIrrelevant(18);
// Leads to synonyms - nothing is irrelevant.
auto transformation1 = TransformationCompositeInsert(
MakeInstructionDescriptor(13, spv::Op::OpSelectionMerge, 0), 100, 9, 17,
{0});
ASSERT_TRUE(
transformation1.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation1, context.get(),
&transformation_context);
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(100, {0}), MakeDataDescriptor(17, {})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(100, {1}), MakeDataDescriptor(9, {1})));
// Because %16 is irrelevant, we don't get a synonym with the component to
// which it has been inserted (but we do for the other component).
auto transformation2 = TransformationCompositeInsert(
MakeInstructionDescriptor(13, spv::Op::OpSelectionMerge, 0), 101, 9, 16,
{0});
ASSERT_TRUE(
transformation2.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation2, context.get(),
&transformation_context);
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(101, {0}), MakeDataDescriptor(16, {})));
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(101, {1}), MakeDataDescriptor(9, {1})));
// Because %18 is irrelevant we only get a synonym for the component into
// which insertion has taken place.
auto transformation3 = TransformationCompositeInsert(
MakeInstructionDescriptor(13, spv::Op::OpSelectionMerge, 0), 102, 18, 17,
{0});
ASSERT_TRUE(
transformation3.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation3, context.get(),
&transformation_context);
ASSERT_TRUE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(102, {0}), MakeDataDescriptor(17, {})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(102, {1}), MakeDataDescriptor(18, {1})));
// Does not lead to synonyms as block %14 is dead.
auto transformation4 = TransformationCompositeInsert(
MakeInstructionDescriptor(14, spv::Op::OpBranch, 0), 103, 9, 17, {0});
ASSERT_TRUE(
transformation4.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation4, context.get(),
&transformation_context);
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(103, {0}), MakeDataDescriptor(17, {})));
ASSERT_FALSE(transformation_context.GetFactManager()->IsSynonymous(
MakeDataDescriptor(103, {1}), MakeDataDescriptor(9, {1})));
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
}
} // namespace
} // namespace fuzz
} // namespace spvtools