1 //=== lib/CodeGen/GlobalISel/AMDGPUCombinerHelper.h -------------*- C++ -*-===// 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 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUCOMBINERHELPER_H 16 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUCOMBINERHELPER_H 17 18 #include "llvm/CodeGen/GlobalISel/Combiner.h" 19 #include "llvm/CodeGen/GlobalISel/CombinerHelper.h" 20 21 using namespace llvm; 22 23 class AMDGPUCombinerHelper : public CombinerHelper { 24 public: 25 using CombinerHelper::CombinerHelper; 26 27 bool matchFoldableFneg(MachineInstr &MI, MachineInstr *&MatchInfo); 28 void applyFoldableFneg(MachineInstr &MI, MachineInstr *&MatchInfo); 29 30 bool matchExpandPromotedF16FMed3(MachineInstr &MI, Register Src0, 31 Register Src1, Register Src2); 32 void applyExpandPromotedF16FMed3(MachineInstr &MI, Register Src0, 33 Register Src1, Register Src2); 34 }; 35 36 #endif // LLVM_LIB_TARGET_AMDGPU_AMDGPUCOMBINERHELPER_H 37