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// Copyright (c) 2016 Google Inc.
//
// 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 "spirv-tools/optimizer.hpp"
#include "build_module.h"
#include "make_unique.h"
#include "pass_manager.h"
#include "passes.h"
namespace spvtools {
struct Optimizer::PassToken::Impl {
Impl(std::unique_ptr<opt::Pass> p) : pass(std::move(p)) {}
std::unique_ptr<opt::Pass> pass; // Internal implementation pass.
};
Optimizer::PassToken::PassToken(
std::unique_ptr<Optimizer::PassToken::Impl> impl)
: impl_(std::move(impl)) {}
Optimizer::PassToken::PassToken(PassToken&& that)
: impl_(std::move(that.impl_)) {}
Optimizer::PassToken& Optimizer::PassToken::operator=(PassToken&& that) {
impl_ = std::move(that.impl_);
return *this;
}
Optimizer::PassToken::~PassToken() {}
struct Optimizer::Impl {
explicit Impl(spv_target_env env) : target_env(env), pass_manager() {}
const spv_target_env target_env; // Target environment.
opt::PassManager pass_manager; // Internal implementation pass manager.
};
Optimizer::Optimizer(spv_target_env env) : impl_(new Impl(env)) {}
Optimizer::~Optimizer() {}
void Optimizer::SetMessageConsumer(MessageConsumer c) {
// All passes' message consumer needs to be updated.
for (uint32_t i = 0; i < impl_->pass_manager.NumPasses(); ++i) {
impl_->pass_manager.GetPass(i)->SetMessageConsumer(c);
}
impl_->pass_manager.SetMessageConsumer(std::move(c));
}
Optimizer& Optimizer::RegisterPass(PassToken&& p) {
// Change to use the pass manager's consumer.
p.impl_->pass->SetMessageConsumer(impl_->pass_manager.consumer());
impl_->pass_manager.AddPass(std::move(p.impl_->pass));
return *this;
}
bool Optimizer::Run(const uint32_t* original_binary,
const size_t original_binary_size,
std::vector<uint32_t>* optimized_binary) const {
std::unique_ptr<ir::Module> module =
BuildModule(impl_->target_env, impl_->pass_manager.consumer(),
original_binary, original_binary_size);
if (module == nullptr) return false;
auto status = impl_->pass_manager.Run(module.get());
if (status == opt::Pass::Status::SuccessWithChange ||
(status == opt::Pass::Status::SuccessWithoutChange &&
(optimized_binary->data() != original_binary ||
optimized_binary->size() != original_binary_size))) {
optimized_binary->clear();
module->ToBinary(optimized_binary, /* skip_nop = */ true);
}
return status != opt::Pass::Status::Failure;
}
Optimizer::PassToken CreateNullPass() {
return MakeUnique<Optimizer::PassToken::Impl>(MakeUnique<opt::NullPass>());
}
Optimizer::PassToken CreateStripDebugInfoPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::StripDebugInfoPass>());
}
Optimizer::PassToken CreateSetSpecConstantDefaultValuePass(
const std::unordered_map<uint32_t, std::string>& id_value_map) {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::SetSpecConstantDefaultValuePass>(id_value_map));
}
Optimizer::PassToken CreateSetSpecConstantDefaultValuePass(
const std::unordered_map<uint32_t, std::vector<uint32_t>>& id_value_map) {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::SetSpecConstantDefaultValuePass>(id_value_map));
}
Optimizer::PassToken CreateFlattenDecorationPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::FlattenDecorationPass>());
}
Optimizer::PassToken CreateFreezeSpecConstantValuePass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::FreezeSpecConstantValuePass>());
}
Optimizer::PassToken CreateFoldSpecConstantOpAndCompositePass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::FoldSpecConstantOpAndCompositePass>());
}
Optimizer::PassToken CreateUnifyConstantPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::UnifyConstantPass>());
}
Optimizer::PassToken CreateEliminateDeadConstantPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::EliminateDeadConstantPass>());
}
Optimizer::PassToken CreateBlockMergePass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::BlockMergePass>());
}
Optimizer::PassToken CreateInlinePass() {
return MakeUnique<Optimizer::PassToken::Impl>(MakeUnique<opt::InlinePass>());
}
Optimizer::PassToken CreateLocalAccessChainConvertPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::LocalAccessChainConvertPass>());
}
Optimizer::PassToken CreateLocalSingleBlockLoadStoreElimPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::LocalSingleBlockLoadStoreElimPass>());
}
Optimizer::PassToken CreateLocalSingleStoreElimPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::LocalSingleStoreElimPass>());
}
Optimizer::PassToken CreateInsertExtractElimPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::InsertExtractElimPass>());
}
Optimizer::PassToken CreateDeadBranchElimPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::DeadBranchElimPass>());
}
Optimizer::PassToken CreateLocalMultiStoreElimPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::LocalMultiStoreElimPass>());
}
Optimizer::PassToken CreateAggressiveDCEPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::AggressiveDCEPass>());
}
Optimizer::PassToken CreateCompactIdsPass() {
return MakeUnique<Optimizer::PassToken::Impl>(
MakeUnique<opt::CompactIdsPass>());
}
} // namespace spvtools
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