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

// Copyright (c) 2018 The Khronos Group Inc.
// Copyright (c) 2018 Valve Corporation
// Copyright (c) 2018 LunarG 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 "source/opt/dead_insert_elim_pass.h"

#include "source/opt/composite.h"
#include "source/opt/ir_context.h"
#include "source/opt/iterator.h"
#include "spirv/1.2/GLSL.std.450.h"

namespace spvtools {
namespace opt {
namespace {
constexpr uint32_t kTypeVectorCountInIdx = …;
constexpr uint32_t kTypeMatrixCountInIdx = …;
constexpr uint32_t kTypeArrayLengthIdInIdx = …;
constexpr uint32_t kTypeIntWidthInIdx = …;
constexpr uint32_t kConstantValueInIdx = …;
constexpr uint32_t kInsertObjectIdInIdx = …;
constexpr uint32_t kInsertCompositeIdInIdx = …;
}  // namespace

uint32_t DeadInsertElimPass::NumComponents(Instruction* typeInst) { … }

void DeadInsertElimPass::MarkInsertChain(
    Instruction* insertChain, std::vector<uint32_t>* pExtIndices,
    uint32_t extOffset, std::unordered_set<uint32_t>* visited_phis) { … }

bool DeadInsertElimPass::EliminateDeadInserts(Function* func) { … }

bool DeadInsertElimPass::EliminateDeadInsertsOnePass(Function* func) { … }

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

}  // namespace opt
}  // namespace spvtools