SPIRV-Tools/test/opt/pass_remove_duplicates_test.cpp

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// Copyright (c) 2017 Pierre Moreau
//
// 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 <iostream>
#include <memory>
#include <string>
#include <vector>
#include "gmock/gmock.h"
#include "source/opt/build_module.h"
#include "source/opt/ir_context.h"
#include "source/opt/pass_manager.h"
#include "source/opt/remove_duplicates_pass.h"
#include "source/spirv_constant.h"
#include "test/unit_spirv.h"
namespace spvtools {
namespace opt {
namespace {
class RemoveDuplicatesTest : public ::testing::Test {
public:
RemoveDuplicatesTest()
: tools_(SPV_ENV_UNIVERSAL_1_2),
context_(),
consumer_([this](spv_message_level_t level, const char*,
const spv_position_t& position, const char* message) {
if (!error_message_.empty()) error_message_ += "\n";
switch (level) {
case SPV_MSG_FATAL:
case SPV_MSG_INTERNAL_ERROR:
case SPV_MSG_ERROR:
error_message_ += "ERROR";
break;
case SPV_MSG_WARNING:
error_message_ += "WARNING";
break;
case SPV_MSG_INFO:
error_message_ += "INFO";
break;
case SPV_MSG_DEBUG:
error_message_ += "DEBUG";
break;
}
error_message_ +=
": " + std::to_string(position.index) + ": " + message;
}),
disassemble_options_(SPV_BINARY_TO_TEXT_OPTION_NO_HEADER),
error_message_() {
tools_.SetMessageConsumer(consumer_);
}
void TearDown() override { error_message_.clear(); }
std::string RunPass(const std::string& text) {
context_ = spvtools::BuildModule(SPV_ENV_UNIVERSAL_1_2, consumer_, text);
if (!context_.get()) return std::string();
PassManager manager;
manager.SetMessageConsumer(consumer_);
manager.AddPass<RemoveDuplicatesPass>();
Pass::Status pass_res = manager.Run(context_.get());
if (pass_res == Pass::Status::Failure) return std::string();
return ModuleToText();
}
// Disassembles |binary| and outputs the result in |text|. If |text| is a
// null pointer, SPV_ERROR_INVALID_POINTER is returned.
spv_result_t Disassemble(const std::vector<uint32_t>& binary,
std::string* text) {
if (!text) return SPV_ERROR_INVALID_POINTER;
return tools_.Disassemble(binary, text, disassemble_options_)
? SPV_SUCCESS
: SPV_ERROR_INVALID_BINARY;
}
// Returns the accumulated error messages for the test.
std::string GetErrorMessage() const { return error_message_; }
std::string ToText(const std::vector<Instruction*>& inst) {
std::vector<uint32_t> binary = {SpvMagicNumber, 0x10200, 0u, 2u, 0u};
for (const Instruction* i : inst)
i->ToBinaryWithoutAttachedDebugInsts(&binary);
std::string text;
Disassemble(binary, &text);
return text;
}
std::string ModuleToText() {
std::vector<uint32_t> binary;
context_->module()->ToBinary(&binary, false);
std::string text;
Disassemble(binary, &text);
return text;
}
private:
spvtools::SpirvTools
tools_; // An instance for calling SPIRV-Tools functionalities.
std::unique_ptr<IRContext> context_;
spvtools::MessageConsumer consumer_;
uint32_t disassemble_options_;
std::string error_message_;
};
TEST_F(RemoveDuplicatesTest, DuplicateCapabilities) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpCapability Shader
OpMemoryModel Logical GLSL450
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
TEST_F(RemoveDuplicatesTest, DuplicateExtInstImports) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
%1 = OpExtInstImport "OpenCL.std"
%2 = OpExtInstImport "OpenCL.std"
%3 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
%1 = OpExtInstImport "OpenCL.std"
%3 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical GLSL450
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
TEST_F(RemoveDuplicatesTest, DuplicateTypes) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
%1 = OpTypeInt 32 0
%2 = OpTypeInt 32 0
%3 = OpTypeStruct %1 %2
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
%1 = OpTypeInt 32 0
%3 = OpTypeStruct %1 %1
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
TEST_F(RemoveDuplicatesTest, SameTypeDifferentMemberDecoration) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 GLSLPacked
%2 = OpTypeInt 32 0
%1 = OpTypeStruct %2 %2
%3 = OpTypeStruct %2 %2
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 GLSLPacked
%2 = OpTypeInt 32 0
%1 = OpTypeStruct %2 %2
%3 = OpTypeStruct %2 %2
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
TEST_F(RemoveDuplicatesTest, SameTypeAndMemberDecoration) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 GLSLPacked
OpDecorate %2 GLSLPacked
%3 = OpTypeInt 32 0
%1 = OpTypeStruct %3 %3
%2 = OpTypeStruct %3 %3
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 GLSLPacked
%3 = OpTypeInt 32 0
%1 = OpTypeStruct %3 %3
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
TEST_F(RemoveDuplicatesTest, SameTypeAndDifferentName) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpName %1 "Type1"
OpName %2 "Type2"
%3 = OpTypeInt 32 0
%1 = OpTypeStruct %3 %3
%2 = OpTypeStruct %3 %3
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpName %1 "Type1"
%3 = OpTypeInt 32 0
%1 = OpTypeStruct %3 %3
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
// Check that #1033 has been fixed.
TEST_F(RemoveDuplicatesTest, DoNotRemoveDifferentOpDecorationGroup) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 Constant
%1 = OpDecorationGroup
OpDecorate %2 Restrict
%2 = OpDecorationGroup
OpGroupDecorate %3 %1 %2
%4 = OpTypeInt 32 0
%3 = OpVariable %4 Uniform
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 Constant
%1 = OpDecorationGroup
OpDecorate %2 Restrict
%2 = OpDecorationGroup
OpGroupDecorate %3 %1 %2
%4 = OpTypeInt 32 0
%3 = OpVariable %4 Uniform
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
TEST_F(RemoveDuplicatesTest, DifferentDecorationGroup) {
const std::string spirv = R"(
OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 Constant
OpDecorate %1 Restrict
%1 = OpDecorationGroup
OpDecorate %2 Constant
%2 = OpDecorationGroup
OpGroupDecorate %1 %3
OpGroupDecorate %2 %4
%5 = OpTypeInt 32 0
%3 = OpVariable %5 Uniform
%4 = OpVariable %5 Uniform
)";
const std::string after = R"(OpCapability Shader
OpCapability Linkage
OpMemoryModel Logical GLSL450
OpDecorate %1 Constant
OpDecorate %1 Restrict
%1 = OpDecorationGroup
OpDecorate %2 Constant
%2 = OpDecorationGroup
OpGroupDecorate %1 %3
OpGroupDecorate %2 %4
%5 = OpTypeInt 32 0
%3 = OpVariable %5 Uniform
%4 = OpVariable %5 Uniform
)";
EXPECT_EQ(RunPass(spirv), after);
EXPECT_EQ(GetErrorMessage(), "");
}
// Test what happens when a type is a resource type. For now we are merging
// them, but, if we want to merge types and make reflection work (issue #1372),
// we will not be able to merge %2 and %3 below.
TEST_F(RemoveDuplicatesTest, DontMergeNestedResourceTypes) {
const std::string spirv = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %2 "NormalAdjust"
OpMemberName %2 0 "XDir"
OpMemberName %3 0 "AdjustXYZ"
OpMemberName %3 1 "AdjustDir"
OpName %4 "Constants"
OpMemberDecorate %1 0 Offset 0
OpMemberDecorate %2 0 Offset 0
OpMemberDecorate %3 0 Offset 0
OpMemberDecorate %3 1 Offset 16
OpDecorate %3 Block
OpDecorate %4 DescriptorSet 0
OpDecorate %4 Binding 0
%5 = OpTypeFloat 32
%6 = OpTypeVector %5 3
%1 = OpTypeStruct %6
%2 = OpTypeStruct %6
%3 = OpTypeStruct %1 %2
%7 = OpTypePointer Uniform %3
%4 = OpVariable %7 Uniform
)";
const std::string result = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpMemberName %3 0 "AdjustXYZ"
OpMemberName %3 1 "AdjustDir"
OpName %4 "Constants"
OpMemberDecorate %1 0 Offset 0
OpMemberDecorate %3 0 Offset 0
OpMemberDecorate %3 1 Offset 16
OpDecorate %3 Block
OpDecorate %4 DescriptorSet 0
OpDecorate %4 Binding 0
%5 = OpTypeFloat 32
%6 = OpTypeVector %5 3
%1 = OpTypeStruct %6
%3 = OpTypeStruct %1 %1
%7 = OpTypePointer Uniform %3
%4 = OpVariable %7 Uniform
)";
EXPECT_EQ(RunPass(spirv), result);
EXPECT_EQ(GetErrorMessage(), "");
}
// See comment for DontMergeNestedResourceTypes.
TEST_F(RemoveDuplicatesTest, DontMergeResourceTypes) {
const std::string spirv = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %2 "NormalAdjust"
OpMemberName %2 0 "XDir"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpMemberDecorate %2 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
OpDecorate %4 DescriptorSet 1
OpDecorate %4 Binding 0
%5 = OpTypeFloat 32
%6 = OpTypeVector %5 3
%1 = OpTypeStruct %6
%2 = OpTypeStruct %6
%7 = OpTypePointer Uniform %1
%8 = OpTypePointer Uniform %2
%3 = OpVariable %7 Uniform
%4 = OpVariable %8 Uniform
)";
const std::string result = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
OpDecorate %4 DescriptorSet 1
OpDecorate %4 Binding 0
%5 = OpTypeFloat 32
%6 = OpTypeVector %5 3
%1 = OpTypeStruct %6
%7 = OpTypePointer Uniform %1
%3 = OpVariable %7 Uniform
%4 = OpVariable %7 Uniform
)";
EXPECT_EQ(RunPass(spirv), result);
EXPECT_EQ(GetErrorMessage(), "");
}
// See comment for DontMergeNestedResourceTypes.
TEST_F(RemoveDuplicatesTest, DontMergeResourceTypesContainingArray) {
const std::string spirv = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %2 "NormalAdjust"
OpMemberName %2 0 "XDir"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpMemberDecorate %2 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
OpDecorate %4 DescriptorSet 1
OpDecorate %4 Binding 0
%5 = OpTypeFloat 32
%6 = OpTypeVector %5 3
%1 = OpTypeStruct %6
%2 = OpTypeStruct %6
%7 = OpTypeInt 32 0
%8 = OpConstant %7 4
%9 = OpTypeArray %1 %8
%10 = OpTypeArray %2 %8
%11 = OpTypePointer Uniform %9
%12 = OpTypePointer Uniform %10
%3 = OpVariable %11 Uniform
%4 = OpVariable %12 Uniform
)";
const std::string result = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
OpDecorate %4 DescriptorSet 1
OpDecorate %4 Binding 0
%5 = OpTypeFloat 32
%6 = OpTypeVector %5 3
%1 = OpTypeStruct %6
%7 = OpTypeInt 32 0
%8 = OpConstant %7 4
%9 = OpTypeArray %1 %8
%11 = OpTypePointer Uniform %9
%3 = OpVariable %11 Uniform
%4 = OpVariable %11 Uniform
)";
EXPECT_EQ(RunPass(spirv), result);
EXPECT_EQ(GetErrorMessage(), "");
}
// Test that we merge the type of a resource with a type that is not the type
// a resource. The resource type appears first in this case. We must keep
// the resource type.
TEST_F(RemoveDuplicatesTest, MergeResourceTypeWithNonresourceType1) {
const std::string spirv = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %2 "NormalAdjust"
OpMemberName %2 0 "XDir"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpMemberDecorate %2 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
%4 = OpTypeFloat 32
%5 = OpTypeVector %4 3
%1 = OpTypeStruct %5
%2 = OpTypeStruct %5
%6 = OpTypePointer Uniform %1
%7 = OpTypePointer Uniform %2
%3 = OpVariable %6 Uniform
%8 = OpVariable %7 Uniform
)";
const std::string result = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
%4 = OpTypeFloat 32
%5 = OpTypeVector %4 3
%1 = OpTypeStruct %5
%6 = OpTypePointer Uniform %1
%3 = OpVariable %6 Uniform
%8 = OpVariable %6 Uniform
)";
EXPECT_EQ(RunPass(spirv), result);
EXPECT_EQ(GetErrorMessage(), "");
}
// Test that we merge the type of a resource with a type that is not the type
// a resource. The resource type appears second in this case. We must keep
// the resource type.
//
// See comment for DontMergeNestedResourceTypes.
TEST_F(RemoveDuplicatesTest, MergeResourceTypeWithNonresourceType2) {
const std::string spirv = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %2 "NormalAdjust"
OpMemberName %2 0 "XDir"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpMemberDecorate %2 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
%4 = OpTypeFloat 32
%5 = OpTypeVector %4 3
%1 = OpTypeStruct %5
%2 = OpTypeStruct %5
%6 = OpTypePointer Uniform %1
%7 = OpTypePointer Uniform %2
%8 = OpVariable %6 Uniform
%3 = OpVariable %7 Uniform
)";
const std::string result = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpSource HLSL 600
OpName %1 "PositionAdjust"
OpMemberName %1 0 "XAdjust"
OpName %3 "Constants"
OpMemberDecorate %1 0 Offset 0
OpDecorate %3 DescriptorSet 0
OpDecorate %3 Binding 0
%4 = OpTypeFloat 32
%5 = OpTypeVector %4 3
%1 = OpTypeStruct %5
%6 = OpTypePointer Uniform %1
%8 = OpVariable %6 Uniform
%3 = OpVariable %6 Uniform
)";
EXPECT_EQ(RunPass(spirv), result);
EXPECT_EQ(GetErrorMessage(), "");
}
// In this test, %8 and %9 are the same and only %9 is used in a resource.
// However, we cannot merge them unless we also merge %2 and %3, which cannot
// happen because both are used in resources.
//
// If we try to avoid replaces resource types, then remove duplicates should
// have not change in this case. That is not currently implemented.
TEST_F(RemoveDuplicatesTest, MergeResourceTypeWithNonresourceType3) {
const std::string spirv = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %1 "main"
OpSource HLSL 600
OpName %2 "PositionAdjust"
OpMemberName %2 0 "XAdjust"
OpName %3 "NormalAdjust"
OpMemberName %3 0 "XDir"
OpName %4 "Constants"
OpMemberDecorate %2 0 Offset 0
OpMemberDecorate %3 0 Offset 0
OpDecorate %4 DescriptorSet 0
OpDecorate %4 Binding 0
OpDecorate %5 DescriptorSet 1
OpDecorate %5 Binding 0
%6 = OpTypeFloat 32
%7 = OpTypeVector %6 3
%2 = OpTypeStruct %7
%3 = OpTypeStruct %7
%8 = OpTypePointer Uniform %3
%9 = OpTypePointer Uniform %2
%10 = OpTypeStruct %3
%11 = OpTypePointer Uniform %10
%5 = OpVariable %9 Uniform
%4 = OpVariable %11 Uniform
%12 = OpTypeVoid
%13 = OpTypeFunction %12
%14 = OpTypeInt 32 0
%15 = OpConstant %14 0
%1 = OpFunction %12 None %13
%16 = OpLabel
%17 = OpAccessChain %8 %4 %15
OpReturn
OpFunctionEnd
)";
const std::string result = R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint GLCompute %1 "main"
OpSource HLSL 600
OpName %2 "PositionAdjust"
OpMemberName %2 0 "XAdjust"
OpName %4 "Constants"
OpMemberDecorate %2 0 Offset 0
OpDecorate %4 DescriptorSet 0
OpDecorate %4 Binding 0
OpDecorate %5 DescriptorSet 1
OpDecorate %5 Binding 0
%6 = OpTypeFloat 32
%7 = OpTypeVector %6 3
%2 = OpTypeStruct %7
%8 = OpTypePointer Uniform %2
%10 = OpTypeStruct %2
%11 = OpTypePointer Uniform %10
%5 = OpVariable %8 Uniform
%4 = OpVariable %11 Uniform
%12 = OpTypeVoid
%13 = OpTypeFunction %12
%14 = OpTypeInt 32 0
%15 = OpConstant %14 0
%1 = OpFunction %12 None %13
%16 = OpLabel
%17 = OpAccessChain %8 %4 %15
OpReturn
OpFunctionEnd
)";
EXPECT_EQ(RunPass(spirv), result);
EXPECT_EQ(GetErrorMessage(), "");
}
} // namespace
} // namespace opt
} // namespace spvtools