1 //===- AArch64LegalizerInfo --------------------------------------*- 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 /// \file 9 /// This file declares the targeting of the Machinelegalizer class for 10 /// AArch64. 11 /// \todo This should be generated by TableGen. 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H 15 #define LLVM_LIB_TARGET_AARCH64_AARCH64MACHINELEGALIZER_H 16 17 #include "llvm/CodeGen/GlobalISel/GISelChangeObserver.h" 18 #include "llvm/CodeGen/GlobalISel/LegalizerHelper.h" 19 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h" 20 #include "llvm/CodeGen/MachineRegisterInfo.h" 21 22 namespace llvm { 23 24 class AArch64Subtarget; 25 26 class AArch64LegalizerInfo : public LegalizerInfo { 27 public: 28 AArch64LegalizerInfo(const AArch64Subtarget &ST); 29 30 bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI, 31 LostDebugLocObserver &LocObserver) const override; 32 33 bool legalizeIntrinsic(LegalizerHelper &Helper, 34 MachineInstr &MI) const override; 35 36 private: 37 bool legalizeVaArg(MachineInstr &MI, MachineRegisterInfo &MRI, 38 MachineIRBuilder &MIRBuilder) const; 39 bool legalizeLoadStore(MachineInstr &MI, MachineRegisterInfo &MRI, 40 MachineIRBuilder &MIRBuilder, 41 GISelChangeObserver &Observer) const; 42 bool legalizeShlAshrLshr(MachineInstr &MI, MachineRegisterInfo &MRI, 43 MachineIRBuilder &MIRBuilder, 44 GISelChangeObserver &Observer) const; 45 46 bool legalizeSmallCMGlobalValue(MachineInstr &MI, MachineRegisterInfo &MRI, 47 MachineIRBuilder &MIRBuilder, 48 GISelChangeObserver &Observer) const; 49 bool legalizeBitfieldExtract(MachineInstr &MI, MachineRegisterInfo &MRI, 50 LegalizerHelper &Helper) const; 51 bool legalizeRotate(MachineInstr &MI, MachineRegisterInfo &MRI, 52 LegalizerHelper &Helper) const; 53 bool legalizeFunnelShift(MachineInstr &MI, MachineRegisterInfo &MRI, 54 MachineIRBuilder &MIRBuilder, 55 GISelChangeObserver &Observer, 56 LegalizerHelper &Helper) const; 57 bool legalizeCTPOP(MachineInstr &MI, MachineRegisterInfo &MRI, 58 LegalizerHelper &Helper) const; 59 bool legalizeAtomicCmpxchg128(MachineInstr &MI, MachineRegisterInfo &MRI, 60 LegalizerHelper &Helper) const; 61 bool legalizeCTTZ(MachineInstr &MI, LegalizerHelper &Helper) const; 62 bool legalizeMemOps(MachineInstr &MI, LegalizerHelper &Helper) const; 63 bool legalizeFCopySign(MachineInstr &MI, LegalizerHelper &Helper) const; 64 bool legalizeExtractVectorElt(MachineInstr &MI, MachineRegisterInfo &MRI, 65 LegalizerHelper &Helper) const; 66 bool legalizeDynStackAlloc(MachineInstr &MI, LegalizerHelper &Helper) const; 67 bool legalizePrefetch(MachineInstr &MI, LegalizerHelper &Helper) const; 68 const AArch64Subtarget *ST; 69 }; 70 } // End llvm namespace. 71 #endif 72