ARCFrameLowering.cpp File Reference

#include "ARCFrameLowering.h"
#include "ARCMachineFunctionInfo.h"
#include "ARCSubtarget.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/Support/Debug.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "arc-frame-lowering"

Functions
static void	generateStackAdjustment (MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, const ARCInstrInfo &TII, DebugLoc dl, int Amount, int StackPtr)
static unsigned	determineLastCalleeSave (ArrayRef< CalleeSavedInfo > CSI)
static std::vector< CalleeSavedInfo >::iterator	getSavedReg (std::vector< CalleeSavedInfo > &V, unsigned reg)
static void	emitRegUpdate (MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI, DebugLoc dl, unsigned Reg, int NumBytes, bool IsAdd, const ARCInstrInfo *TII)

Variables
static cl::opt< bool >	UseSaveRestoreFunclet ("arc-save-restore-funclet", cl::Hidden, cl::desc("Use arc callee save/restore functions"), cl::init(true))
static const char *	store_funclet_name []
static const char *	load_funclet_name []

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "arc-frame-lowering"

Definition at line 23 of file ARCFrameLowering.cpp.

Function Documentation

determineLastCalleeSave()

unsigned determineLastCalleeSave ( ArrayRef< CalleeSavedInfo > CSI )

static

Definition at line 77 of file ARCFrameLowering.cpp.

References assert(), llvm::Last, and Reg.

Referenced by llvm::ARCFrameLowering::assignCalleeSavedSpillSlots(), llvm::ARCFrameLowering::emitEpilogue(), llvm::ARCFrameLowering::emitPrologue(), llvm::ARCFrameLowering::restoreCalleeSavedRegisters(), and llvm::ARCFrameLowering::spillCalleeSavedRegisters().

emitRegUpdate()

void emitRegUpdate ( MachineBasicBlock & MBB, MachineBasicBlock::iterator & MBBI, DebugLoc dl, unsigned Reg, int NumBytes, bool IsAdd, const ARCInstrInfo * TII )

static

Definition at line 449 of file ARCFrameLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), llvm::BuildMI(), llvm::isInt(), llvm::isUInt(), llvm::RegState::Kill, MBB, MBBI, Opc, Reg, and TII.

Referenced by llvm::ARCFrameLowering::eliminateCallFramePseudoInstr().

generateStackAdjustment()

void generateStackAdjustment ( MachineBasicBlock & MBB, MachineBasicBlock::iterator MBBI, const ARCInstrInfo & TII, DebugLoc dl, int Amount, int StackPtr )

static

Definition at line 44 of file ARCFrameLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), assert(), llvm::BuildMI(), llvm::dbgs(), llvm::isInt(), llvm::isUInt(), LLVM_DEBUG, MBB, MBBI, and TII.

Referenced by llvm::ARCFrameLowering::emitPrologue().

getSavedReg()

std::vector< CalleeSavedInfo >::iterator getSavedReg ( std::vector< CalleeSavedInfo > & V, unsigned reg )

static

Definition at line 336 of file ARCFrameLowering.cpp.

References E(), and I.

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

Variable Documentation

load_funclet_name

const char* load_funclet_name[]

static

Initial value:

= {
    "__ld_r13_to_r15", "__ld_r13_to_r16", "__ld_r13_to_r17", "__ld_r13_to_r18",
    "__ld_r13_to_r19", "__ld_r13_to_r20", "__ld_r13_to_r21", "__ld_r13_to_r22",
    "__ld_r13_to_r23", "__ld_r13_to_r24", "__ld_r13_to_r25",
}

Definition at line 38 of file ARCFrameLowering.cpp.

Referenced by llvm::ARCFrameLowering::emitEpilogue().

store_funclet_name

const char* store_funclet_name[]

static

Initial value:

= {
    "__st_r13_to_r15", "__st_r13_to_r16", "__st_r13_to_r17", "__st_r13_to_r18",
    "__st_r13_to_r19", "__st_r13_to_r20", "__st_r13_to_r21", "__st_r13_to_r22",
    "__st_r13_to_r23", "__st_r13_to_r24", "__st_r13_to_r25",
}

Definition at line 32 of file ARCFrameLowering.cpp.

Referenced by llvm::ARCFrameLowering::emitPrologue().

UseSaveRestoreFunclet

cl::opt< bool > UseSaveRestoreFunclet("arc-save-restore-funclet", cl::Hidden, cl::desc("Use arc callee save/restore functions"), cl::init(true)) ( "arc-save-restore-funclet" , cl::Hidden , cl::desc("Use arc callee save/restore functions") , cl::init(true)  )

static

Referenced by llvm::ARCFrameLowering::assignCalleeSavedSpillSlots(), llvm::ARCFrameLowering::emitEpilogue(), llvm::ARCFrameLowering::emitPrologue(), llvm::ARCFrameLowering::restoreCalleeSavedRegisters(), and llvm::ARCFrameLowering::spillCalleeSavedRegisters().