1 //=== lib/CodeGen/GlobalISel/AMDGPUCombinerHelper.h -----------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// This contains common combine transformations that may be used in a combine 11 /// pass. 12 /// 13 //===----------------------------------------------------------------------===// 14 15 #include "llvm/CodeGen/GlobalISel/Combiner.h" 16 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h" 17 18 using namespace llvm; 19 20 class AMDGPUCombinerHelper : public CombinerHelper { 21 public: 22 using CombinerHelper::CombinerHelper; 23 24 bool matchFoldableFneg(MachineInstr &MI, MachineInstr *&MatchInfo); 25 void applyFoldableFneg(MachineInstr &MI, MachineInstr *&MatchInfo); 26 }; 27