1 //===- X86LegalizerInfo.h ------------------------------------------*- C++
2 //-*-==//
3 //
4 //                     The LLVM Compiler Infrastructure
5 //
6 // This file is distributed under the University of Illinois Open Source
7 // License. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10 /// \file
11 /// This file declares the targeting of the Machinelegalizer class for X86.
12 /// \todo This should be generated by TableGen.
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
16 #define LLVM_LIB_TARGET_X86_X86MACHINELEGALIZER_H
17 
18 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
19 
20 namespace llvm {
21 
22 class X86Subtarget;
23 class X86TargetMachine;
24 
25 /// This class provides the information for the target register banks.
26 class X86LegalizerInfo : public LegalizerInfo {
27 private:
28   /// Keep a reference to the X86Subtarget around so that we can
29   /// make the right decision when generating code for different targets.
30   const X86Subtarget &Subtarget;
31   const X86TargetMachine &TM;
32 
33 public:
34   X86LegalizerInfo(const X86Subtarget &STI, const X86TargetMachine &TM);
35 
36 private:
37   void setLegalizerInfo32bit();
38   void setLegalizerInfo64bit();
39   void setLegalizerInfoSSE1();
40   void setLegalizerInfoSSE2();
41   void setLegalizerInfoSSE41();
42   void setLegalizerInfoAVX();
43   void setLegalizerInfoAVX2();
44   void setLegalizerInfoAVX512();
45   void setLegalizerInfoAVX512DQ();
46   void setLegalizerInfoAVX512BW();
47 };
48 } // namespace llvm
49 #endif
50