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