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 19 namespace llvm { 20 21 class X86TargetLowering; 22 class X86TargetMachine; 23 class X86Subtarget; 24 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; 30 31 public: 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
