lib/Target/X86/X86LegalizerInfo.h

   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(MachineInstr &MI, MachineRegisterInfo &MRI,
  36                          MachineIRBuilder &MIRBuilder) 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