llvm/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
  18 namespace llvm {
  19
  20 class X86SelectionDAGInfo : public SelectionDAGTargetInfo {
  21   /// Returns true if it is possible for the base register to conflict with the
  22   /// given set of clobbers for a memory intrinsic.
  23   bool isBaseRegConflictPossible(SelectionDAG &DAG,
  24                                  ArrayRef<MCPhysReg> ClobberSet) const;
  25
  26 public:
  27   explicit X86SelectionDAGInfo() = default;
  28
  29   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl,
  30                                   SDValue Chain, SDValue Dst, SDValue Src,
  31                                   SDValue Size, Align Alignment,
  32                                   bool isVolatile, bool AlwaysInline,
  33                                   MachinePointerInfo DstPtrInfo) const override;
  34
  35   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl,
  36                                   SDValue Chain, SDValue Dst, SDValue Src,
  37                                   SDValue Size, Align Alignment,
  38                                   bool isVolatile, bool AlwaysInline,
  39                                   MachinePointerInfo DstPtrInfo,
  40                                   MachinePointerInfo SrcPtrInfo) const override;
  41 };
  42
  43 }
  44
  45 #endif