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llvm-mirror/lib/Target/X86/X86SelectionDAGInfo.h
Chris Lattner f94de5bf46 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.

llvm-svn: 114401
2010-09-21 05:40:29 +00:00

57 lines
1.9 KiB
C++

//===-- X86SelectionDAGInfo.h - X86 SelectionDAG Info -----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the X86 subclass for TargetSelectionDAGInfo.
//
//===----------------------------------------------------------------------===//
#ifndef X86SELECTIONDAGINFO_H
#define X86SELECTIONDAGINFO_H
#include "llvm/Target/TargetSelectionDAGInfo.h"
namespace llvm {
class X86TargetLowering;
class X86TargetMachine;
class X86Subtarget;
class X86SelectionDAGInfo : public TargetSelectionDAGInfo {
/// Subtarget - Keep a pointer to the X86Subtarget around so that we can
/// make the right decision when generating code for different targets.
const X86Subtarget *Subtarget;
const X86TargetLowering &TLI;
public:
explicit X86SelectionDAGInfo(const X86TargetMachine &TM);
~X86SelectionDAGInfo();
virtual
SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, DebugLoc dl,
SDValue Chain,
SDValue Dst, SDValue Src,
SDValue Size, unsigned Align,
bool isVolatile,
MachinePointerInfo DstPtrInfo) const;
virtual
SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
SDValue Chain,
SDValue Dst, SDValue Src,
SDValue Size, unsigned Align,
bool isVolatile, bool AlwaysInline,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo) const;
};
}
#endif