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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_add_global_variable.h"
#include "gtest/gtest.h"
#include "source/fuzz/fuzzer_util.h"
#include "test/fuzz/fuzz_test_util.h"
namespace spvtools {
namespace fuzz {
namespace {
TEST(TransformationAddGlobalVariableTest, 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 = OpTypeFloat 32
%40 = OpConstant %6 0
%7 = OpTypeInt 32 1
%8 = OpTypeVector %6 2
%41 = OpConstantComposite %8 %40 %40
%9 = OpTypePointer Function %6
%10 = OpTypePointer Private %6
%20 = OpTypePointer Uniform %6
%11 = OpTypePointer Function %7
%12 = OpTypePointer Private %7
%13 = OpTypePointer Private %8
%14 = OpVariable %10 Private
%15 = OpVariable %20 Uniform
%16 = OpConstant %7 1
%17 = OpTypePointer Private %10
%18 = OpTypeBool
%19 = OpTypePointer Private %18
%21 = OpConstantTrue %18
%22 = OpConstantFalse %18
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
const auto env = SPV_ENV_UNIVERSAL_1_3;
const auto consumer = nullptr;
const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption);
spvtools::ValidatorOptions validator_options;
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
TransformationContext transformation_context(
MakeUnique<FactManager>(context.get()), validator_options);
// Id already in use
ASSERT_FALSE(
TransformationAddGlobalVariable(4, 10, SpvStorageClassPrivate, 0, true)
.IsApplicable(context.get(), transformation_context));
// %1 is not a type
ASSERT_FALSE(
TransformationAddGlobalVariable(100, 1, SpvStorageClassPrivate, 0, false)
.IsApplicable(context.get(), transformation_context));
// %7 is not a pointer type
ASSERT_FALSE(
TransformationAddGlobalVariable(100, 7, SpvStorageClassPrivate, 0, true)
.IsApplicable(context.get(), transformation_context));
// %9 does not have Private storage class
ASSERT_FALSE(
TransformationAddGlobalVariable(100, 9, SpvStorageClassPrivate, 0, false)
.IsApplicable(context.get(), transformation_context));
// %15 does not have Private storage class
ASSERT_FALSE(
TransformationAddGlobalVariable(100, 15, SpvStorageClassPrivate, 0, true)
.IsApplicable(context.get(), transformation_context));
// %10 is a pointer to float, while %16 is an int constant
ASSERT_FALSE(TransformationAddGlobalVariable(100, 10, SpvStorageClassPrivate,
16, false)
.IsApplicable(context.get(), transformation_context));
// %10 is a Private pointer to float, while %15 is a variable with type
// Uniform float pointer
ASSERT_FALSE(
TransformationAddGlobalVariable(100, 10, SpvStorageClassPrivate, 15, true)
.IsApplicable(context.get(), transformation_context));
// %12 is a Private pointer to int, while %10 is a variable with type
// Private float pointer
ASSERT_FALSE(TransformationAddGlobalVariable(100, 12, SpvStorageClassPrivate,
10, false)
.IsApplicable(context.get(), transformation_context));
// %10 is pointer-to-float, and %14 has type pointer-to-float; that's not OK
// since the initializer's type should be the *pointee* type.
ASSERT_FALSE(
TransformationAddGlobalVariable(104, 10, SpvStorageClassPrivate, 14, true)
.IsApplicable(context.get(), transformation_context));
// This would work in principle, but logical addressing does not allow
// a pointer to a pointer.
ASSERT_FALSE(TransformationAddGlobalVariable(104, 17, SpvStorageClassPrivate,
14, false)
.IsApplicable(context.get(), transformation_context));
{
// %100 = OpVariable %12 Private
ASSERT_EQ(nullptr, context->get_def_use_mgr()->GetDef(100));
TransformationAddGlobalVariable transformation(
100, 12, SpvStorageClassPrivate, 16, true);
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
ASSERT_EQ(SpvOpVariable, context->get_def_use_mgr()->GetDef(100)->opcode());
ASSERT_EQ(
SpvStorageClassPrivate,
static_cast<SpvStorageClass>(
context->get_def_use_mgr()->GetDef(100)->GetSingleWordInOperand(
0)));
}
TransformationAddGlobalVariable transformations[] = {
// %101 = OpVariable %10 Private
TransformationAddGlobalVariable(101, 10, SpvStorageClassPrivate, 40,
false),
// %102 = OpVariable %13 Private
TransformationAddGlobalVariable(102, 13, SpvStorageClassPrivate, 41,
true),
// %103 = OpVariable %12 Private %16
TransformationAddGlobalVariable(103, 12, SpvStorageClassPrivate, 16,
false),
// %104 = OpVariable %19 Private %21
TransformationAddGlobalVariable(104, 19, SpvStorageClassPrivate, 21,
true),
// %105 = OpVariable %19 Private %22
TransformationAddGlobalVariable(105, 19, SpvStorageClassPrivate, 22,
false)};
for (auto& transformation : transformations) {
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
}
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(104));
ASSERT_FALSE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
ASSERT_FALSE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(103));
ASSERT_FALSE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(105));
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
std::string after_transformation = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "main"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 32
%40 = OpConstant %6 0
%7 = OpTypeInt 32 1
%8 = OpTypeVector %6 2
%41 = OpConstantComposite %8 %40 %40
%9 = OpTypePointer Function %6
%10 = OpTypePointer Private %6
%20 = OpTypePointer Uniform %6
%11 = OpTypePointer Function %7
%12 = OpTypePointer Private %7
%13 = OpTypePointer Private %8
%14 = OpVariable %10 Private
%15 = OpVariable %20 Uniform
%16 = OpConstant %7 1
%17 = OpTypePointer Private %10
%18 = OpTypeBool
%19 = OpTypePointer Private %18
%21 = OpConstantTrue %18
%22 = OpConstantFalse %18
%100 = OpVariable %12 Private %16
%101 = OpVariable %10 Private %40
%102 = OpVariable %13 Private %41
%103 = OpVariable %12 Private %16
%104 = OpVariable %19 Private %21
%105 = OpVariable %19 Private %22
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
TEST(TransformationAddGlobalVariableTest, TestEntryPointInterfaceEnlargement) {
// This checks that when global variables are added to a SPIR-V 1.4+ module,
// they are also added to entry points of that module.
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "m1"
OpEntryPoint Vertex %5 "m2"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 32
%7 = OpTypeInt 32 1
%8 = OpTypeVector %6 2
%9 = OpTypePointer Function %6
%10 = OpTypePointer Private %6
%11 = OpTypePointer Function %7
%12 = OpTypePointer Private %7
%13 = OpTypePointer Private %8
%14 = OpVariable %10 Private
%16 = OpConstant %7 1
%17 = OpTypePointer Private %10
%18 = OpTypeBool
%19 = OpTypePointer Private %18
%21 = OpConstantTrue %18
%4 = OpFunction %2 None %3
%30 = OpLabel
OpReturn
OpFunctionEnd
%5 = OpFunction %2 None %3
%31 = OpLabel
OpReturn
OpFunctionEnd
)";
for (auto env : {SPV_ENV_UNIVERSAL_1_4, SPV_ENV_UNIVERSAL_1_5,
SPV_ENV_VULKAN_1_1_SPIRV_1_4, SPV_ENV_VULKAN_1_2}) {
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);
TransformationAddGlobalVariable transformations[] = {
// %100 = OpVariable %12 Private
TransformationAddGlobalVariable(100, 12, SpvStorageClassPrivate, 16,
true),
// %101 = OpVariable %12 Private %16
TransformationAddGlobalVariable(101, 12, SpvStorageClassPrivate, 16,
false),
// %102 = OpVariable %19 Private %21
TransformationAddGlobalVariable(102, 19, SpvStorageClassPrivate, 21,
true)};
for (auto& transformation : transformations) {
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
}
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
ASSERT_FALSE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
std::string after_transformation_enlarged_interface = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "m1" %100 %101 %102
OpEntryPoint Vertex %5 "m2" %100 %101 %102
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 32
%7 = OpTypeInt 32 1
%8 = OpTypeVector %6 2
%9 = OpTypePointer Function %6
%10 = OpTypePointer Private %6
%11 = OpTypePointer Function %7
%12 = OpTypePointer Private %7
%13 = OpTypePointer Private %8
%14 = OpVariable %10 Private
%16 = OpConstant %7 1
%17 = OpTypePointer Private %10
%18 = OpTypeBool
%19 = OpTypePointer Private %18
%21 = OpConstantTrue %18
%100 = OpVariable %12 Private %16
%101 = OpVariable %12 Private %16
%102 = OpVariable %19 Private %21
%4 = OpFunction %2 None %3
%30 = OpLabel
OpReturn
OpFunctionEnd
%5 = OpFunction %2 None %3
%31 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(
IsEqual(env, after_transformation_enlarged_interface, context.get()));
}
}
TEST(TransformationAddGlobalVariableTest,
TestEntryPointInterfaceNoEnlargement) {
// This checks that when global variables are added to a SPIR-V 1.3- module,
// they are not added to entry points of that module.
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "m1"
OpEntryPoint Vertex %5 "m2"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 32
%7 = OpTypeInt 32 1
%8 = OpTypeVector %6 2
%9 = OpTypePointer Function %6
%10 = OpTypePointer Private %6
%11 = OpTypePointer Function %7
%12 = OpTypePointer Private %7
%13 = OpTypePointer Private %8
%14 = OpVariable %10 Private
%16 = OpConstant %7 1
%17 = OpTypePointer Private %10
%18 = OpTypeBool
%19 = OpTypePointer Private %18
%21 = OpConstantTrue %18
%4 = OpFunction %2 None %3
%30 = OpLabel
OpReturn
OpFunctionEnd
%5 = OpFunction %2 None %3
%31 = OpLabel
OpReturn
OpFunctionEnd
)";
for (auto env :
{SPV_ENV_UNIVERSAL_1_0, SPV_ENV_UNIVERSAL_1_1, SPV_ENV_UNIVERSAL_1_2,
SPV_ENV_UNIVERSAL_1_3, SPV_ENV_VULKAN_1_0, SPV_ENV_VULKAN_1_1}) {
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);
TransformationAddGlobalVariable transformations[] = {
// %100 = OpVariable %12 Private
TransformationAddGlobalVariable(100, 12, SpvStorageClassPrivate, 16,
true),
// %101 = OpVariable %12 Private %16
TransformationAddGlobalVariable(101, 12, SpvStorageClassPrivate, 16,
false),
// %102 = OpVariable %19 Private %21
TransformationAddGlobalVariable(102, 19, SpvStorageClassPrivate, 21,
true)};
for (auto& transformation : transformations) {
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
}
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(100));
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(102));
ASSERT_FALSE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(101));
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(
context.get(), validator_options, kConsoleMessageConsumer));
std::string after_transformation_fixed_interface = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %4 "m1"
OpEntryPoint Vertex %5 "m2"
OpExecutionMode %4 OriginUpperLeft
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeFloat 32
%7 = OpTypeInt 32 1
%8 = OpTypeVector %6 2
%9 = OpTypePointer Function %6
%10 = OpTypePointer Private %6
%11 = OpTypePointer Function %7
%12 = OpTypePointer Private %7
%13 = OpTypePointer Private %8
%14 = OpVariable %10 Private
%16 = OpConstant %7 1
%17 = OpTypePointer Private %10
%18 = OpTypeBool
%19 = OpTypePointer Private %18
%21 = OpConstantTrue %18
%100 = OpVariable %12 Private %16
%101 = OpVariable %12 Private %16
%102 = OpVariable %19 Private %21
%4 = OpFunction %2 None %3
%30 = OpLabel
OpReturn
OpFunctionEnd
%5 = OpFunction %2 None %3
%31 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(
IsEqual(env, after_transformation_fixed_interface, context.get()));
}
}
TEST(TransformationAddGlobalVariableTest, TestAddingWorkgroupGlobals) {
// This checks that workgroup globals can be added to a compute shader.
std::string shader = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %4 "main"
OpExecutionMode %4 LocalSize 1 1 1
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Workgroup %6
%50 = OpConstant %6 2
%4 = OpFunction %2 None %3
%5 = 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);
#ifndef NDEBUG
ASSERT_DEATH(
TransformationAddGlobalVariable(8, 7, SpvStorageClassWorkgroup, 50, true)
.IsApplicable(context.get(), transformation_context),
"By construction this transformation should not have an.*initializer "
"when Workgroup storage class is used");
#endif
TransformationAddGlobalVariable transformations[] = {
// %8 = OpVariable %7 Workgroup
TransformationAddGlobalVariable(8, 7, SpvStorageClassWorkgroup, 0, true),
// %10 = OpVariable %7 Workgroup
TransformationAddGlobalVariable(10, 7, SpvStorageClassWorkgroup, 0,
false)};
for (auto& transformation : transformations) {
ASSERT_TRUE(
transformation.IsApplicable(context.get(), transformation_context));
ApplyAndCheckFreshIds(transformation, context.get(),
&transformation_context);
}
ASSERT_TRUE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(8));
ASSERT_FALSE(
transformation_context.GetFactManager()->PointeeValueIsIrrelevant(10));
ASSERT_TRUE(fuzzerutil::IsValidAndWellFormed(context.get(), validator_options,
kConsoleMessageConsumer));
std::string after_transformation = R"(
OpCapability Shader
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %4 "main" %8 %10
OpExecutionMode %4 LocalSize 1 1 1
OpSource ESSL 310
%2 = OpTypeVoid
%3 = OpTypeFunction %2
%6 = OpTypeInt 32 1
%7 = OpTypePointer Workgroup %6
%50 = OpConstant %6 2
%8 = OpVariable %7 Workgroup
%10 = OpVariable %7 Workgroup
%4 = OpFunction %2 None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
ASSERT_TRUE(IsEqual(env, after_transformation, context.get()));
}
} // namespace
} // namespace fuzz
} // namespace spvtools
|
