1 //===-- X86SelectionDAGInfo.h - X86 SelectionDAG Info -----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines the X86 subclass for TargetSelectionDAGInfo.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
15 #define LLVM_LIB_TARGET_X86_X86SELECTIONDAGINFO_H
17 #include "llvm/Target/TargetSelectionDAGInfo.h"
21 class X86TargetLowering;
22 class X86TargetMachine;
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;
32 explicit X86SelectionDAGInfo() = default;
34 SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, SDLoc dl,
36 SDValue Dst, SDValue Src,
37 SDValue Size, unsigned Align,
39 MachinePointerInfo DstPtrInfo) const override;
41 SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, SDLoc dl,
43 SDValue Dst, SDValue Src,
44 SDValue Size, unsigned Align,
45 bool isVolatile, bool AlwaysInline,
46 MachinePointerInfo DstPtrInfo,
47 MachinePointerInfo SrcPtrInfo) const override;