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 #include "llvm/MC/MCRegisterInfo.h" 18 19 namespace llvm { 20 21 class X86TargetLowering; 22 class X86TargetMachine; 23 class X86Subtarget; 24 25 class X86SelectionDAGInfo : public SelectionDAGTargetInfo { 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<MCPhysReg> ClobberSet) const; 30 31 public: 32 explicit X86SelectionDAGInfo() = default; 33 34 SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl, 35 SDValue Chain, SDValue Dst, SDValue Src, 36 SDValue Size, unsigned Align, bool isVolatile, 37 MachinePointerInfo DstPtrInfo) const override; 38 39 SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl, 40 SDValue Chain, SDValue Dst, SDValue Src, 41 SDValue Size, unsigned Align, bool isVolatile, 42 bool AlwaysInline, 43 MachinePointerInfo DstPtrInfo, 44 MachinePointerInfo SrcPtrInfo) const override; 45 }; 46 47 } 48 49 #endif 50