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 TargetSelectionDAGInfo.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
  15 #define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
  16
  17 #include "llvm/Target/TargetSelectionDAGInfo.h"
  18
  19 namespace llvm {
  20
  21 class X86TargetLowering;
  22 class X86TargetMachine;
  23 class X86Subtarget;
  24
  25 class X86SelectionDAGInfo : public TargetSelectionDAGInfo {
  26   /// Returns true if it is possible for the base register to conflict with the
  27   /// given set of clobbers for a memory intrinsic.
  28   bool isBaseRegConflictPossible(SelectionDAG &DAG,
  29                                  ArrayRef<unsigned> ClobberSet) const;
  30
  31 public:
  32   explicit X86SelectionDAGInfo() = default;
  33
  34   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,
  35                                   SDValue Chain,
  36                                   SDValue Dst, SDValue Src,
  37                                   SDValue Size, unsigned Align,
  38                                   bool isVolatile,
  39                                   MachinePointerInfo DstPtrInfo) const override;
  40
  41   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl,
  42                                   SDValue Chain,
  43                                   SDValue Dst, SDValue Src,
  44                                   SDValue Size, unsigned Align,
  45                                   bool isVolatile, bool AlwaysInline,
  46                                   MachinePointerInfo DstPtrInfo,
  47                                   MachinePointerInfo SrcPtrInfo) const override;
  48 };
  49
  50 }
  51
  52 #endif