mirror of
https://github.com/KhronosGroup/SPIRV-Tools
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203 lines
8.0 KiB
C++
203 lines
8.0 KiB
C++
// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef LIBSPIRV_TEST_OPT_PASS_FIXTURE_H_
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#define LIBSPIRV_TEST_OPT_PASS_FIXTURE_H_
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#include <iostream>
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#include <string>
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#include <tuple>
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#include <vector>
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#include <gtest/gtest.h>
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#include "opt/build_module.h"
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#include "opt/make_unique.h"
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#include "opt/pass_manager.h"
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#include "opt/passes.h"
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#include "spirv-tools/libspirv.hpp"
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namespace spvtools {
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// Template class for testing passes. It contains some handy utility methods for
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// running passes and checking results.
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//
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// To write value-Parameterized tests:
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// using ValueParamTest = PassTest<::testing::TestWithParam<std::string>>;
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// To use as normal fixture:
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// using FixtureTest = PassTest<::testing::Test>;
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template <typename TestT>
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class PassTest : public TestT {
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public:
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PassTest()
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: consumer_(nullptr),
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tools_(SPV_ENV_UNIVERSAL_1_1),
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manager_(new opt::PassManager()),
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assemble_options_(SpirvTools::kDefaultAssembleOption),
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disassemble_options_(SpirvTools::kDefaultDisassembleOption) {}
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// Runs the given |pass| on the binary assembled from the |original|.
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// Returns a tuple of the optimized binary and the boolean value returned
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// from pass Process() function.
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std::tuple<std::vector<uint32_t>, opt::Pass::Status> OptimizeToBinary(
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opt::Pass* pass, const std::string& original, bool skip_nop) {
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std::unique_ptr<ir::Module> module = BuildModule(
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SPV_ENV_UNIVERSAL_1_1, consumer_, original, assemble_options_);
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EXPECT_NE(nullptr, module) << "Assembling failed for shader:\n"
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<< original << std::endl;
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if (!module) {
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return std::make_tuple(std::vector<uint32_t>(),
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opt::Pass::Status::Failure);
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}
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const auto status = pass->Process(module.get());
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std::vector<uint32_t> binary;
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module->ToBinary(&binary, skip_nop);
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return std::make_tuple(binary, status);
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}
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// Runs a single pass of class |PassT| on the binary assembled from the
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// |assembly|. Returns a tuple of the optimized binary and the boolean value
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// from the pass Process() function.
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template <typename PassT, typename... Args>
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std::tuple<std::vector<uint32_t>, opt::Pass::Status> SinglePassRunToBinary(
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const std::string& assembly, bool skip_nop, Args&&... args) {
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auto pass = MakeUnique<PassT>(std::forward<Args>(args)...);
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pass->SetMessageConsumer(consumer_);
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return OptimizeToBinary(pass.get(), assembly, skip_nop);
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}
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// Runs a single pass of class |PassT| on the binary assembled from the
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// |assembly|, disassembles the optimized binary. Returns a tuple of
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// disassembly string and the boolean value from the pass Process() function.
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template <typename PassT, typename... Args>
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std::tuple<std::string, opt::Pass::Status> SinglePassRunAndDisassemble(
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const std::string& assembly, bool skip_nop, Args&&... args) {
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std::vector<uint32_t> optimized_bin;
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auto status = opt::Pass::Status::SuccessWithoutChange;
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std::tie(optimized_bin, status) = SinglePassRunToBinary<PassT>(
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assembly, skip_nop, std::forward<Args>(args)...);
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std::string optimized_asm;
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EXPECT_TRUE(tools_.Disassemble(optimized_bin, &optimized_asm,
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disassemble_options_))
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<< "Disassembling failed for shader:\n"
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<< assembly << std::endl;
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return std::make_tuple(optimized_asm, status);
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}
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// Runs a single pass of class |PassT| on the binary assembled from the
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// |original| assembly, and checks whether the optimized binary can be
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// disassembled to the |expected| assembly. Optionally will also validate
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// the optimized binary. This does *not* involve pass manager. Callers
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// are suggested to use SCOPED_TRACE() for better messages.
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template <typename PassT, typename... Args>
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void SinglePassRunAndCheck(const std::string& original,
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const std::string& expected, bool skip_nop,
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bool do_validation, Args&&... args) {
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std::vector<uint32_t> optimized_bin;
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auto status = opt::Pass::Status::SuccessWithoutChange;
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std::tie(optimized_bin, status) = SinglePassRunToBinary<PassT>(
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original, skip_nop, std::forward<Args>(args)...);
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// Check whether the pass returns the correct modification indication.
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EXPECT_NE(opt::Pass::Status::Failure, status);
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EXPECT_EQ(original == expected,
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status == opt::Pass::Status::SuccessWithoutChange);
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if (do_validation) {
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spv_target_env target_env = SPV_ENV_UNIVERSAL_1_1;
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spv_context context = spvContextCreate(target_env);
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spv_diagnostic diagnostic = nullptr;
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spv_const_binary_t binary = {optimized_bin.data(),
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optimized_bin.size()};
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spv_result_t error = spvValidate(context, &binary, &diagnostic);
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EXPECT_EQ(error, 0);
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if (error != 0)
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spvDiagnosticPrint(diagnostic);
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spvDiagnosticDestroy(diagnostic);
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spvContextDestroy(context);
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}
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std::string optimized_asm;
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EXPECT_TRUE(tools_.Disassemble(optimized_bin, &optimized_asm,
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disassemble_options_))
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<< "Disassembling failed for shader:\n"
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<< original << std::endl;
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EXPECT_EQ(expected, optimized_asm);
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}
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// Runs a single pass of class |PassT| on the binary assembled from the
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// |original| assembly, and checks whether the optimized binary can be
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// disassembled to the |expected| assembly. This does *not* involve pass
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// manager. Callers are suggested to use SCOPED_TRACE() for better messages.
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template <typename PassT, typename... Args>
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void SinglePassRunAndCheck(const std::string& original,
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const std::string& expected, bool skip_nop,
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Args&&... args) {
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SinglePassRunAndCheck<PassT>(original, expected, skip_nop, false,
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std::forward<Args>(args)...);
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}
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// Adds a pass to be run.
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template <typename PassT, typename... Args>
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void AddPass(Args&&... args) {
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manager_->AddPass<PassT>(std::forward<Args>(args)...);
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}
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// Renews the pass manager, including clearing all previously added passes.
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void RenewPassManger() {
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manager_.reset(new opt::PassManager());
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manager_->SetMessageConsumer(consumer_);
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}
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// Runs the passes added thus far using a pass manager on the binary assembled
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// from the |original| assembly, and checks whether the optimized binary can
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// be disassembled to the |expected| assembly. Callers are suggested to use
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// SCOPED_TRACE() for better messages.
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void RunAndCheck(const std::string& original, const std::string& expected) {
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assert(manager_->NumPasses());
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std::unique_ptr<ir::Module> module = BuildModule(
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SPV_ENV_UNIVERSAL_1_1, nullptr, original, assemble_options_);
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ASSERT_NE(nullptr, module);
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manager_->Run(module.get());
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std::vector<uint32_t> binary;
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module->ToBinary(&binary, /* skip_nop = */ false);
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std::string optimized;
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EXPECT_TRUE(tools_.Disassemble(binary, &optimized,
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disassemble_options_));
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EXPECT_EQ(expected, optimized);
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}
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void SetAssembleOptions(uint32_t assemble_options) {
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assemble_options_ = assemble_options;
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}
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void SetDisassembleOptions(uint32_t disassemble_options) {
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disassemble_options_ = disassemble_options;
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}
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private:
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MessageConsumer consumer_; // Message consumer.
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SpirvTools tools_; // An instance for calling SPIRV-Tools functionalities.
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std::unique_ptr<opt::PassManager> manager_; // The pass manager.
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uint32_t assemble_options_;
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uint32_t disassemble_options_;
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};
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} // namespace spvtools
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#endif // LIBSPIRV_TEST_OPT_PASS_FIXTURE_H_
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