1 // Copyright (c) 2018 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/change_operand_reduction_opportunity.h" 16 17 #include "source/opt/ir_context.h" 18 19 namespace spvtools { 20 namespace reduce { 21 PreconditionHolds()22bool ChangeOperandReductionOpportunity::PreconditionHolds() { 23 // Check that the instruction still has the original operand. 24 return inst_->NumOperands() > operand_index_ && 25 inst_->GetOperand(operand_index_).words[0] == original_id_ && 26 inst_->GetOperand(operand_index_).type == original_type_; 27 } 28 Apply()29void ChangeOperandReductionOpportunity::Apply() { 30 inst_->SetOperand(operand_index_, {new_id_}); 31 inst_->context()->get_def_use_mgr()->UpdateDefUse(inst_); 32 } 33 34 } // namespace reduce 35 } // namespace spvtools 36