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 19namespace llvm { 20 21class X86TargetLowering; 22class X86TargetMachine; 23class X86Subtarget; 24 25class 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 31public: 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 53