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52 lines
1.8 KiB
52 lines
1.8 KiB
// Copyright (c) 2018 Google LLC
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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_REDUCE_REDUCTION_UTIL_H_
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#define SOURCE_REDUCE_REDUCTION_UTIL_H_
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#include "spirv-tools/libspirv.hpp"
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#include "source/opt/ir_context.h"
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#include "source/reduce/reduction_opportunity.h"
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namespace spvtools {
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namespace reduce {
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extern const uint32_t kTrueBranchOperandIndex;
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extern const uint32_t kFalseBranchOperandIndex;
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// Returns a global OpVariable of type |pointer_type_id|, adding one if none
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// exist.
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uint32_t FindOrCreateGlobalVariable(opt::IRContext* context,
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uint32_t pointer_type_id);
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// Returns an OpVariable of type |pointer_type_id| declared in |function|,
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// adding one if none exist.
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uint32_t FindOrCreateFunctionVariable(opt::IRContext* context, opt::Function*,
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uint32_t pointer_type_id);
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// Returns an OpUndef id from the global value list that is of the given type,
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// adding one if it does not exist.
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uint32_t FindOrCreateGlobalUndef(opt::IRContext* context, uint32_t type_id);
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// Removes any components of |to_block|'s phi instructions relating to
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// |from_id|.
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void AdaptPhiInstructionsForRemovedEdge(uint32_t from_id,
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opt::BasicBlock* to_block);
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} // namespace reduce
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} // namespace spvtools
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#endif // SOURCE_REDUCE_REDUCTION_UTIL_H_
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