16 #ifndef LLVM_CODEGEN_SELECTIONDAGTARGETINFO_H
17 #define LLVM_CODEGEN_SELECTIONDAGTARGETINFO_H
90 virtual std::pair<SDValue, SDValue>
102 virtual std::pair<SDValue, SDValue>
115 virtual std::pair<SDValue, SDValue>
127 virtual std::pair<SDValue, SDValue>
135 virtual std::pair<SDValue, SDValue>
141 virtual std::pair<SDValue, SDValue>
virtual SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Op1, SDValue Op2, SDValue Op3, unsigned Align, bool isVolatile, bool AlwaysInline, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) const
Emit target-specific code that performs a memcpy.
virtual std::pair< SDValue, SDValue > EmitTargetCodeForStrcmp(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Op1, SDValue Op2, MachinePointerInfo Op1PtrInfo, MachinePointerInfo Op2PtrInfo) const
Emit target-specific code that performs a strcmp, in cases where that is faster than a libcall...
virtual SDValue EmitTargetCodeForMemmove(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Op1, SDValue Op2, SDValue Op3, unsigned Align, bool isVolatile, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo) const
Emit target-specific code that performs a memmove.
virtual ~SelectionDAGTargetInfo()
virtual std::pair< SDValue, SDValue > EmitTargetCodeForMemcmp(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Op1, SDValue Op2, SDValue Op3, MachinePointerInfo Op1PtrInfo, MachinePointerInfo Op2PtrInfo) const
Emit target-specific code that performs a memcmp, in cases where that is faster than a libcall...
virtual std::pair< SDValue, SDValue > EmitTargetCodeForStrlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Src, MachinePointerInfo SrcPtrInfo) const
virtual std::pair< SDValue, SDValue > EmitTargetCodeForStrnlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Src, SDValue MaxLength, MachinePointerInfo SrcPtrInfo) const
virtual bool generateFMAsInMachineCombiner(CodeGenOpt::Level OptLevel) const
SelectionDAGTargetInfo()=default
Targets can subclass this to parameterize the SelectionDAG lowering and instruction selection process...
virtual std::pair< SDValue, SDValue > EmitTargetCodeForStrcpy(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dest, SDValue Src, MachinePointerInfo DestPtrInfo, MachinePointerInfo SrcPtrInfo, bool isStpcpy) const
Emit target-specific code that performs a strcpy or stpcpy, in cases where that is faster than a libc...
This class contains a discriminated union of information about pointers in memory operands...
This is used to represent a portion of an LLVM function in a low-level Data Dependence DAG representa...
Wrapper class for IR location info (IR ordering and DebugLoc) to be passed into SDNode creation funct...
virtual SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Op1, SDValue Op2, SDValue Op3, unsigned Align, bool isVolatile, MachinePointerInfo DstPtrInfo) const
Emit target-specific code that performs a memset.
static bool isVolatile(Instruction *Inst)
Unlike LLVM values, Selection DAG nodes may return multiple values as the result of a computation...
virtual std::pair< SDValue, SDValue > EmitTargetCodeForMemchr(SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Src, SDValue Char, SDValue Length, MachinePointerInfo SrcPtrInfo) const
Emit target-specific code that performs a memchr, in cases where that is faster than a libcall...