lib/Target/X86/X86SelectionDAGInfo.h

   1 //===-- X86SelectionDAGInfo.h - X86 SelectionDAG Info -----------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file defines the X86 subclass for SelectionDAGTargetInfo.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
  15 #define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
  16
  17 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
  18 #include "llvm/MC/MCRegisterInfo.h"
  19
  20 namespace llvm {
  21
  22 class X86TargetLowering;
  23 class X86TargetMachine;
  24 class X86Subtarget;
  25
  26 class X86SelectionDAGInfo : public SelectionDAGTargetInfo {
  27   /// Returns true if it is possible for the base register to conflict with the
  28   /// given set of clobbers for a memory intrinsic.
  29   bool isBaseRegConflictPossible(SelectionDAG &DAG,
  30                                  ArrayRef<MCPhysReg> ClobberSet) const;
  31
  32 public:
  33   explicit X86SelectionDAGInfo() = default;
  34
  35   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl,
  36                                   SDValue Chain, SDValue Dst, SDValue Src,
  37                                   SDValue Size, unsigned Align, bool isVolatile,
  38                                   MachinePointerInfo DstPtrInfo) const override;
  39
  40   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
  41                                   SDValue Chain, SDValue Dst, SDValue Src,
  42                                   SDValue Size, unsigned Align, bool isVolatile,
  43                                   bool AlwaysInline,
  44                                   MachinePointerInfo DstPtrInfo,
  45                                   MachinePointerInfo SrcPtrInfo) const override;
  46 };
  47
  48 }
  49
  50 #endif