chromium/third_party/spirv-tools/src/source/opt/remove_duplicates_pass.cpp

// 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 "source/opt/remove_duplicates_pass.h"

#include <algorithm>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#include "source/opcode.h"
#include "source/opt/decoration_manager.h"
#include "source/opt/ir_context.h"

namespace spvtools {
namespace opt {

Pass::Status RemoveDuplicatesPass::Process() { … }

bool RemoveDuplicatesPass::RemoveDuplicateCapabilities() const { … }

bool RemoveDuplicatesPass::RemoveDuplicatesExtInstImports() const { … }

bool RemoveDuplicatesPass::RemoveDuplicateTypes() const { … }

// TODO(pierremoreau): Duplicate decoration groups should be removed. For
// example, in
//     OpDecorate %1 Constant
//     %1 = OpDecorationGroup
//     OpDecorate %2 Constant
//     %2 = OpDecorationGroup
//     OpGroupDecorate %1 %3
//     OpGroupDecorate %2 %4
// group %2 could be removed.
bool RemoveDuplicatesPass::RemoveDuplicateDecorations() const { … }

}  // namespace opt
}  // namespace spvtools