SystemZSelectionDAGInfo.cpp File Reference

#include "SystemZTargetMachine.h"
#include "llvm/CodeGen/SelectionDAG.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "systemz-selectiondag-info"

Functions
static unsigned	getMemMemLenAdj (unsigned Op)
static SDValue	createMemMemNode (SelectionDAG &DAG, const SDLoc &DL, unsigned Op, SDValue Chain, SDValue Dst, SDValue Src, SDValue LenAdj, SDValue Byte)
static SDValue	emitMemMemImm (SelectionDAG &DAG, const SDLoc &DL, unsigned Op, SDValue Chain, SDValue Dst, SDValue Src, uint64_t Size, SDValue Byte=SDValue())
static SDValue	emitMemMemReg (SelectionDAG &DAG, const SDLoc &DL, unsigned Op, SDValue Chain, SDValue Dst, SDValue Src, SDValue Size, SDValue Byte=SDValue())
static SDValue	memsetStore (SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dst, uint64_t ByteVal, uint64_t Size, Align Alignment, MachinePointerInfo DstPtrInfo)
static SDValue	addIPMSequence (const SDLoc &DL, SDValue CCReg, SelectionDAG &DAG)
static std::pair< SDValue, SDValue >	getBoundedStrlen (SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Src, SDValue Limit)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "systemz-selectiondag-info"

Definition at line 18 of file SystemZSelectionDAGInfo.cpp.

Function Documentation

addIPMSequence()

static SDValue addIPMSequence ( const SDLoc &  DL, SDValue  CCReg, SelectionDAG &  DAG  )

static

Definition at line 162 of file SystemZSelectionDAGInfo.cpp.

References DL, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SystemZISD::IPM, llvm::SystemZ::IPM_CC, llvm::ISD::SHL, and llvm::ISD::SRA.

Referenced by llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemcmp(), and llvm::SystemZSelectionDAGInfo::EmitTargetCodeForStrcmp().

createMemMemNode()

static SDValue createMemMemNode ( SelectionDAG &  DAG, const SDLoc &  DL, unsigned  Op, SDValue  Chain, SDValue  Dst, SDValue  Src, SDValue  LenAdj, SDValue  Byte  )

static

Definition at line 24 of file SystemZSelectionDAGInfo.cpp.

References llvm::SystemZISD::CLC, DL, llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getVTList(), and llvm::SystemZISD::MEMSET_MVC.

Referenced by emitMemMemImm(), and emitMemMemReg().

emitMemMemImm()

static SDValue emitMemMemImm ( SelectionDAG &  DAG, const SDLoc &  DL, unsigned  Op, SDValue  Chain, SDValue  Dst, SDValue  Src, uint64_t  Size, SDValue  Byte = SDValue()  )

static

Definition at line 41 of file SystemZSelectionDAGInfo.cpp.

References assert(), createMemMemNode(), DL, llvm::SelectionDAG::getConstant(), getMemMemLenAdj(), and Size.

Referenced by llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemcmp(), llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemcpy(), and llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemset().

emitMemMemReg()

static SDValue emitMemMemReg ( SelectionDAG &  DAG, const SDLoc &  DL, unsigned  Op, SDValue  Chain, SDValue  Dst, SDValue  Src, SDValue  Size, SDValue  Byte = SDValue()  )

static

Definition at line 50 of file SystemZSelectionDAGInfo.cpp.

References llvm::ISD::ADD, createMemMemNode(), DL, llvm::SelectionDAG::getConstant(), getMemMemLenAdj(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getZExtOrTrunc(), and Size.

Referenced by llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemcmp(), llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemcpy(), and llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemset().

getBoundedStrlen()

static std::pair< SDValue, SDValue > getBoundedStrlen ( SelectionDAG &  DAG, const SDLoc &  DL, SDValue  Chain, SDValue  Src, SDValue  Limit  )

static

Definition at line 242 of file SystemZSelectionDAGInfo.cpp.

References DL, End, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getVTList(), llvm::SystemZISD::SEARCH_STRING, and llvm::ISD::SUB.

Referenced by llvm::SystemZSelectionDAGInfo::EmitTargetCodeForStrlen(), and llvm::SystemZSelectionDAGInfo::EmitTargetCodeForStrnlen().

getMemMemLenAdj()

static unsigned getMemMemLenAdj ( unsigned  Op )

static

Definition at line 20 of file SystemZSelectionDAGInfo.cpp.

References llvm::SystemZISD::MEMSET_MVC.

Referenced by emitMemMemImm(), and emitMemMemReg().

memsetStore()

static SDValue memsetStore ( SelectionDAG &  DAG, const SDLoc &  DL, SDValue  Chain, SDValue  Dst, uint64_t  ByteVal, uint64_t  Size, Align  Alignment, MachinePointerInfo  DstPtrInfo  )

static

Definition at line 77 of file SystemZSelectionDAGInfo.cpp.

References DL, llvm::SelectionDAG::getConstant(), llvm::MVT::getIntegerVT(), llvm::SelectionDAG::getStore(), I, and Size.

Referenced by llvm::SystemZSelectionDAGInfo::EmitTargetCodeForMemset().