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
22namespace llvm {
23
24class AArch64Subtarget;
25
26class AArch64LegalizerInfo : public LegalizerInfo {
27public:
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
36private:
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 legalizeICMP(MachineInstr &MI, MachineRegisterInfo &MRI,
54 MachineIRBuilder &MIRBuilder) const;
55 bool legalizeFunnelShift(MachineInstr &MI, MachineRegisterInfo &MRI,
56 MachineIRBuilder &MIRBuilder,
57 GISelChangeObserver &Observer,
58 LegalizerHelper &Helper) const;
59 bool legalizeCTPOP(MachineInstr &MI, MachineRegisterInfo &MRI,
60 LegalizerHelper &Helper) const;
61 bool legalizeAtomicCmpxchg128(MachineInstr &MI, MachineRegisterInfo &MRI,
62 LegalizerHelper &Helper) const;
63 bool legalizeCTTZ(MachineInstr &MI, LegalizerHelper &Helper) const;
64 bool legalizeMemOps(MachineInstr &MI, LegalizerHelper &Helper) const;
65 bool legalizeExtractVectorElt(MachineInstr &MI, MachineRegisterInfo &MRI,
66 LegalizerHelper &Helper) const;
67 bool legalizeDynStackAlloc(MachineInstr &MI, LegalizerHelper &Helper) const;
68 bool legalizePrefetch(MachineInstr &MI, LegalizerHelper &Helper) const;
69 bool legalizeBitcast(MachineInstr &MI, LegalizerHelper &Helper) const;
70 const AArch64Subtarget *ST;
71};
72} // End llvm namespace.
73#endif
74