lib/Target/X86/X86SelectionDAGInfo.h

   1 //===-- X86SelectionDAGInfo.h - X86 SelectionDAG Info -----------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file defines the X86 subclass for SelectionDAGTargetInfo.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
  14 #define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
  15
  16 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
  17 #include "llvm/MC/MCRegisterInfo.h"
  18
  19 namespace llvm {
  20
  21 class X86TargetLowering;
  22 class X86TargetMachine;
  23 class X86Subtarget;
  24
  25 class X86SelectionDAGInfo : public SelectionDAGTargetInfo {
  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<MCPhysReg> ClobberSet) const;
  30
  31 public:
  32   explicit X86SelectionDAGInfo() = default;
  33
  34   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl,
  35                                   SDValue Chain, SDValue Dst, SDValue Src,
  36                                   SDValue Size, unsigned Align, bool isVolatile,
  37                                   MachinePointerInfo DstPtrInfo) const override;
  38
  39   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
  40                                   SDValue Chain, SDValue Dst, SDValue Src,
  41                                   SDValue Size, unsigned Align, bool isVolatile,
  42                                   bool AlwaysInline,
  43                                   MachinePointerInfo DstPtrInfo,
  44                                   MachinePointerInfo SrcPtrInfo) const override;
  45 };
  46
  47 }
  48
  49 #endif