LoongArchFrameLowering.cpp File Reference

#include "LoongArchFrameLowering.h"
#include "LoongArchMachineFunctionInfo.h"
#include "LoongArchSubtarget.h"
#include "MCTargetDesc/LoongArchBaseInfo.h"
#include "MCTargetDesc/LoongArchMCTargetDesc.h"
#include "llvm/CodeGen/CFIInstBuilder.h"
#include "llvm/CodeGen/LivePhysRegs.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/CodeGen/RegisterScavenging.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/MC/MCDwarf.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "loongarch-frame-lowering"

Functions
static uint64_t	estimateFunctionSizeInBytes (const LoongArchInstrInfo *TII, const MachineFunction &MF)
static bool	needScavSlotForCFR (MachineFunction &MF)
static void	emitStackProbeInline (MachineBasicBlock::iterator MBBI, DebugLoc DL, Register TargetReg)

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "loongarch-frame-lowering"

Definition at line 30 of file LoongArchFrameLowering.cpp.

Function Documentation

emitStackProbeInline()

void emitStackProbeInline ( MachineBasicBlock::iterator MBBI, DebugLoc DL, Register TargetReg )

static

Definition at line 463 of file LoongArchFrameLowering.cpp.

References llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addMBB(), llvm::MachineInstrBuilder::addReg(), llvm::MachineBasicBlock::addSuccessor(), assert(), llvm::BuildMI(), llvm::MachineFunction::CreateMachineBasicBlock(), DL, llvm::MachineBasicBlock::end(), llvm::MachineInstr::FrameSetup, llvm::fullyRecomputeLiveIns(), llvm::LoongArchSubtarget::getFrameLowering(), llvm::LoongArchSubtarget::getInstrInfo(), llvm::TargetFrameLowering::getStackAlign(), llvm::LoongArchTargetLowering::getStackProbeSize(), llvm::MachineFunction::getSubtarget(), llvm::LoongArchSubtarget::getTargetLowering(), llvm::MachineFunction::insert(), llvm::LoongArchSubtarget::is64Bit(), MBB, MBBI, llvm::MachineInstrBuilder::setMIFlag(), llvm::MachineBasicBlock::splice(), SPReg, TII, and llvm::MachineBasicBlock::transferSuccessorsAndUpdatePHIs().

Referenced by llvm::LoongArchFrameLowering::inlineStackProbe().

estimateFunctionSizeInBytes()

uint64_t estimateFunctionSizeInBytes ( const LoongArchInstrInfo * TII, const MachineFunction & MF )

static

Definition at line 124 of file LoongArchFrameLowering.cpp.

References MBB, MI, and TII.

Referenced by llvm::LoongArchFrameLowering::processFunctionBeforeFrameFinalized(), and llvm::RISCVFrameLowering::processFunctionBeforeFrameFinalized().

needScavSlotForCFR()

bool needScavSlotForCFR ( MachineFunction & MF )

static

Definition at line 133 of file LoongArchFrameLowering.cpp.

References llvm::MachineFunction::getSubtarget(), MBB, and MI.

Referenced by llvm::LoongArchFrameLowering::processFunctionBeforeFrameFinalized().