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/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/TargetLoweringObjectFileImpl.h"
#include "llvm/IR/CallingConv.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()

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

static

Definition at line 302 of file SystemZFrameLowering.cpp.

References llvm::MachineInstrBuilder::addReg(), llvm::getImplRegState(), llvm::getKillRegState(), llvm::MCRegisterInfo::getSubReg(), and MBB.

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

buildCFAOffs()

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

static

Definition at line 505 of file SystemZFrameLowering.cpp.

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

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

buildDefCFAReg()

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

static

Definition at line 516 of file SystemZFrameLowering.cpp.

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

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

emitIncrement()

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

static

Definition at line 477 of file SystemZFrameLowering.cpp.

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

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

isXPLeafCandidate()

bool isXPLeafCandidate ( const MachineFunction & MF )

static

Definition at line 947 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().