| // 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. |
| |
| #include "source/reduce/change_operand_reduction_opportunity.h" |
| |
| #include "source/opt/ir_context.h" |
| |
| namespace spvtools { |
| namespace reduce { |
| |
| bool ChangeOperandReductionOpportunity::PreconditionHolds() { |
| // Check that the instruction still has the original operand. |
| return inst_->NumOperands() > operand_index_ && |
| inst_->GetOperand(operand_index_).words[0] == original_id_ && |
| inst_->GetOperand(operand_index_).type == original_type_; |
| } |
| |
| void ChangeOperandReductionOpportunity::Apply() { |
| inst_->SetOperand(operand_index_, {new_id_}); |
| inst_->context()->get_def_use_mgr()->UpdateDefUse(inst_); |
| } |
| |
| } // namespace reduce |
| } // namespace spvtools |
