SystemZFrameLowering.cpp File Reference

#include "SystemZFrameLowering.h"
#include "SystemZCallingConv.h"
#include "SystemZInstrInfo.h"
#include "SystemZMachineFunctionInfo.h"
#include "SystemZRegisterInfo.h"
#include "SystemZSubtarget.h"
#include "llvm/CodeGen/LivePhysRegs.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/IR/Function.h"
#include "llvm/Target/TargetMachine.h"

Go to the source code of this file.

Functions
static void	addSavedGPR (MachineBasicBlock &MBB, MachineInstrBuilder &MIB, unsigned GPR64, bool IsImplicit)
static void	emitIncrement (MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI, const DebugLoc &DL, Register Reg, int64_t NumBytes, const TargetInstrInfo *TII)
static void	buildCFAOffs (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, const DebugLoc &DL, int Offset, const SystemZInstrInfo *ZII)
static void	buildDefCFAReg (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, const DebugLoc &DL, unsigned Reg, const SystemZInstrInfo *ZII)
static bool	isXPLeafCandidate (const MachineFunction &MF)

Function Documentation

addSavedGPR()

static void addSavedGPR ( MachineBasicBlock &  MBB, MachineInstrBuilder &  MIB, unsigned  GPR64, bool  IsImplicit  )

static

Definition at line 300 of file SystemZFrameLowering.cpp.

References llvm::MachineBasicBlock::addLiveIn(), llvm::MachineInstrBuilder::addReg(), llvm::getImplRegState(), llvm::getKillRegState(), llvm::MachineBasicBlock::getParent(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::TargetRegisterInfo::getSubReg(), llvm::MachineFunction::getSubtarget(), llvm::MachineBasicBlock::isLiveIn(), and MBB.

Referenced by llvm::SystemZELFFrameLowering::spillCalleeSavedRegisters(), and llvm::SystemZXPLINKFrameLowering::spillCalleeSavedRegisters().

buildCFAOffs()

static void buildCFAOffs ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, const DebugLoc &  DL, int  Offset, const SystemZInstrInfo *  ZII  )

static

Definition at line 503 of file SystemZFrameLowering.cpp.

References llvm::MachineInstrBuilder::addCFIIndex(), llvm::MachineFunction::addFrameInst(), llvm::BuildMI(), llvm::MCCFIInstruction::cfiDefCfaOffset(), DL, llvm::MachineBasicBlock::getParent(), MBB, MBBI, and llvm::Offset.

Referenced by llvm::SystemZELFFrameLowering::emitPrologue(), and llvm::SystemZELFFrameLowering::inlineStackProbe().

buildDefCFAReg()

static void buildDefCFAReg ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator  MBBI, const DebugLoc &  DL, unsigned  Reg, const SystemZInstrInfo *  ZII  )

static

Definition at line 514 of file SystemZFrameLowering.cpp.

References llvm::MachineInstrBuilder::addCFIIndex(), llvm::MachineFunction::addFrameInst(), llvm::BuildMI(), llvm::MCCFIInstruction::createDefCfaRegister(), DL, llvm::MachineFunction::getContext(), llvm::MachineBasicBlock::getParent(), llvm::MCContext::getRegisterInfo(), MBB, MBBI, and MRI.

Referenced by llvm::SystemZELFFrameLowering::emitPrologue(), llvm::PPCFrameLowering::inlineStackProbe(), and llvm::SystemZELFFrameLowering::inlineStackProbe().

emitIncrement()

static void emitIncrement ( MachineBasicBlock &  MBB, MachineBasicBlock::iterator &  MBBI, const DebugLoc &  DL, Register  Reg, int64_t  NumBytes, const TargetInstrInfo *  TII  )

static

Definition at line 475 of file SystemZFrameLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), DL, MBB, MBBI, MI, and TII.

Referenced by llvm::SystemZELFFrameLowering::emitEpilogue(), llvm::SystemZXPLINKFrameLowering::emitEpilogue(), llvm::SystemZELFFrameLowering::emitPrologue(), llvm::SystemZXPLINKFrameLowering::emitPrologue(), and llvm::SystemZELFFrameLowering::inlineStackProbe().

isXPLeafCandidate()

static bool isXPLeafCandidate ( const MachineFunction &  MF )

static

Definition at line 917 of file SystemZFrameLowering.cpp.

References llvm::MachineFrameInfo::adjustsStack(), llvm::MachineFrameInfo::estimateStackSize(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getRegInfo(), llvm::SystemZSubtarget::getSpecialRegisters(), llvm::MachineFunction::getSubtarget(), llvm::MachineFrameInfo::hasCalls(), llvm::MachineFrameInfo::hasVarSizedObjects(), and MRI.

Referenced by llvm::SystemZXPLINKFrameLowering::assignCalleeSavedSpillSlots().