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()

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

static

Definition at line 172 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()

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

static

Definition at line 34 of file SystemZSelectionDAGInfo.cpp.

References AbstractManglingParser< Derived, Alloc >::Ops, llvm::SystemZISD::CLC, DL, llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getVTList(), and llvm::SystemZISD::MEMSET_MVC.

Referenced by emitMemMemImm(), and emitMemMemReg().

emitMemMemImm()

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 51 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()

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

static

Definition at line 60 of file SystemZSelectionDAGInfo.cpp.

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

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

getBoundedStrlen()

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

static

Definition at line 251 of file SystemZSelectionDAGInfo.cpp.

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

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

getMemMemLenAdj()

unsigned getMemMemLenAdj ( unsigned Op )

static

Definition at line 30 of file SystemZSelectionDAGInfo.cpp.

References llvm::SystemZISD::MEMSET_MVC.

Referenced by emitMemMemImm(), and emitMemMemReg().

memsetStore()

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 87 of file SystemZSelectionDAGInfo.cpp.

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

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