1 // Copyright (c) 2019 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "source/reduce/remove_selection_reduction_opportunity.h" 16 17 #include "source/opt/basic_block.h" 18 #include "source/opt/ir_context.h" 19 20 namespace spvtools { 21 namespace reduce { 22 PreconditionHolds()23bool RemoveSelectionReductionOpportunity::PreconditionHolds() { return true; } 24 Apply()25void RemoveSelectionReductionOpportunity::Apply() { 26 auto merge_instruction = header_block_->GetMergeInst(); 27 merge_instruction->context()->KillInst(merge_instruction); 28 } 29 30 } // namespace reduce 31 } // namespace spvtools 32