52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
// Copyright (c) 2018 The Khronos Group Inc.
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// Copyright (c) 2018 Valve Corporation
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// Copyright (c) 2018 LunarG 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 SOURCE_OPT_COMPOSITE_H_
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#define SOURCE_OPT_COMPOSITE_H_
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#include <algorithm>
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#include <map>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "source/opt/basic_block.h"
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#include "source/opt/def_use_manager.h"
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#include "source/opt/ir_context.h"
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#include "source/opt/module.h"
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namespace spvtools {
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namespace opt {
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// Return true if the extract indices in |extIndices| starting at |extOffset|
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// match indices of insert |insInst|.
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bool ExtInsMatch(const std::vector<uint32_t>& extIndices,
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const Instruction* insInst, const uint32_t extOffset);
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// Return true if indices in |extIndices| starting at |extOffset| and
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// indices of insert |insInst| conflict, specifically, if the insert
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// changes bits specified by the extract, but changes either more bits
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// or less bits than the extract specifies, meaning the exact value being
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// inserted cannot be used to replace the extract.
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bool ExtInsConflict(const std::vector<uint32_t>& extIndices,
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const Instruction* insInst, const uint32_t extOffset);
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} // namespace opt
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} // namespace spvtools
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#endif // SOURCE_OPT_COMPOSITE_H_
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