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 
19 namespace llvm {
20 
21 class X86Subtarget;
22 class X86TargetMachine;
23 
24 /// This class provides the information for the target register banks.
25 class X86LegalizerInfo : public LegalizerInfo {
26 private:
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 
32 public:
33   X86LegalizerInfo(const X86Subtarget &STI, const X86TargetMachine &TM);
34 
35   bool legalizeIntrinsic(LegalizerHelper &Helper,
36                          MachineInstr &MI) const override;
37 
38 private:
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