X86LegalizerInfo.h revision 360784 
1//===- X86LegalizerInfo.h ------------------------------------------*- C++
2//-*-==//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9/// \file
10/// This file declares the targeting of the Machinelegalizer class for X86.
11/// \todo This should be generated by TableGen.
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
15#define LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
16
17#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
18
19namespace llvm {
20
21class X86Subtarget;
22class X86TargetMachine;
23
24/// This class provides the information for the target register banks.
25class X86LegalizerInfo : public LegalizerInfo {
26private:
27  /// Keep a reference to the X86Subtarget around so that we can
28  /// make the right decision when generating code for different targets.
29  const X86Subtarget &Subtarget;
30  const X86TargetMachine &TM;
31
32public:
33  X86LegalizerInfo(const X86Subtarget &STI, const X86TargetMachine &TM);
34
35  bool legalizeIntrinsic(MachineInstr &MI, MachineRegisterInfo &MRI,
36                         MachineIRBuilder &MIRBuilder) const override;
37
38private:
39  void setLegalizerInfo32bit();
40  void setLegalizerInfo64bit();
41  void setLegalizerInfoSSE1();
42  void setLegalizerInfoSSE2();
43  void setLegalizerInfoSSE41();
44  void setLegalizerInfoAVX();
45  void setLegalizerInfoAVX2();
46  void setLegalizerInfoAVX512();
47  void setLegalizerInfoAVX512DQ();
48  void setLegalizerInfoAVX512BW();
49};
50} // namespace llvm
51#endif
52