LLVM 22.0.0git
Public Types | Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
llvm::AArch64PrologueEpilogueCommon Class Reference

#include "Target/AArch64/AArch64PrologueEpilogue.h"

Inheritance diagram for llvm::AArch64PrologueEpilogueCommon:
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Public Types

enum class  SVEStackLayout { Default , Split , CalleeSavesAboveFrameRecord }

Public Member Functions

 AArch64PrologueEpilogueCommon (MachineFunction &MF, MachineBasicBlock &MBB, const AArch64FrameLowering &AFL)

Protected Member Functions

bool requiresGetVGCall () const
bool isVGInstruction (MachineBasicBlock::iterator MBBI, const TargetLowering &TLI) const
MachineBasicBlock::iterator convertCalleeSaveRestoreToSPPrePostIncDec (MachineBasicBlock::iterator MBBI, const DebugLoc &DL, int CSStackSizeInc, bool EmitCFI, MachineInstr::MIFlag FrameFlag=MachineInstr::FrameSetup, int CFAOffset=0) const
void fixupCalleeSaveRestoreStackOffset (MachineInstr &MI, uint64_t LocalStackSize) const
bool shouldCombineCSRLocalStackBump (uint64_t StackBumpBytes) const
SVEFrameSizes getSVEStackFrameSizes () const
SVEStackAllocations getSVEStackAllocations (SVEFrameSizes const &)

Protected Attributes

MachineFunction & MF
MachineBasicBlock & MBB
const MachineFrameInfo & MFI
const AArch64Subtarget & Subtarget
const AArch64FrameLowering & AFL
const AArch64RegisterInfo & RegInfo
bool HasFP = false
bool EmitCFI = false
bool IsFunclet = false
bool NeedsWinCFI = false
bool HomPrologEpilog = false
SVEStackLayout SVELayout = SVEStackLayout::Default
bool HasWinCFI = false
const TargetInstrInfo * TII = nullptr
AArch64FunctionInfo * AFI = nullptr

Detailed Description

Definition at line 41 of file AArch64PrologueEpilogue.h.

Member Enumeration Documentation

◆ SVEStackLayout

enum class llvm::AArch64PrologueEpilogueCommon::SVEStackLayout
strong
Enumerator
Default 
Split 
CalleeSavesAboveFrameRecord 

Definition at line 46 of file AArch64PrologueEpilogue.h.

Constructor & Destructor Documentation

◆ AArch64PrologueEpilogueCommon()

llvm::AArch64PrologueEpilogueCommon::AArch64PrologueEpilogueCommon ( MachineFunction & MF,
MachineBasicBlock & MBB,
const AArch64FrameLowering & AFL )

Definition at line 87 of file AArch64PrologueEpilogue.cpp.

References AFI, AFL, HasFP, if(), MBB, MF, MFI, NeedsWinCFI, RegInfo, Subtarget, and TII.

Referenced by llvm::AArch64EpilogueEmitter::AArch64EpilogueEmitter(), and llvm::AArch64PrologueEmitter::AArch64PrologueEmitter().

Member Function Documentation

◆ convertCalleeSaveRestoreToSPPrePostIncDec()

MachineBasicBlock::iterator llvm::AArch64PrologueEpilogueCommon::convertCalleeSaveRestoreToSPPrePostIncDec ( MachineBasicBlock::iterator MBBI,
const DebugLoc & DL,
int CSStackSizeInc,
bool EmitCFI,
MachineInstr::MIFlag FrameFlag = MachineInstr::FrameSetup,
int CFAOffset = 0 ) const
protected

Definition at line 121 of file AArch64PrologueEpilogue.cpp.

References llvm::MachineInstrBuilder::add(), llvm::MachineInstrBuilder::addImm(), llvm::MachineInstrBuilder::addReg(), AFL, assert(), llvm::CFIInstBuilder::buildDefCFAOffset(), llvm::BuildMI(), llvm::RegState::Define, DL, EmitCFI, llvm::emitFrameOffset(), llvm::MachineInstr::FrameDestroy, llvm::StackOffset::getFixed(), llvm::TypeSize::getFixed(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), HasWinCFI, isVGInstruction(), llvm_unreachable, MBB, MBBI, MF, NeedsWinCFI, llvm::MachineInstrBuilder::setMemRefs(), llvm::MachineInstrBuilder::setMIFlags(), Subtarget, llvm::Success, and TII.

Referenced by llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ fixupCalleeSaveRestoreStackOffset()

void llvm::AArch64PrologueEpilogueCommon::fixupCalleeSaveRestoreStackOffset ( MachineInstr & MI,
uint64_t LocalStackSize ) const
protected

Definition at line 265 of file AArch64PrologueEpilogue.cpp.

References assert(), llvm::fixupSEHOpcode(), llvm::MachineOperand::getImm(), HasWinCFI, llvm_unreachable, MBBI, MI, NeedsWinCFI, Opc, and llvm::MachineOperand::setImm().

Referenced by llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ getSVEStackAllocations()

SVEStackAllocations llvm::AArch64PrologueEpilogueCommon::getSVEStackAllocations ( SVEFrameSizes const & SVE)
protected

Definition at line 373 of file AArch64PrologueEpilogue.cpp.

References Split, llvm::SVE, and SVELayout.

Referenced by llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ getSVEStackFrameSizes()

SVEFrameSizes llvm::AArch64PrologueEpilogueCommon::getSVEStackFrameSizes ( ) const
protected

Definition at line 358 of file AArch64PrologueEpilogue.cpp.

References AFI, AFL, llvm::StackOffset::getScalable(), MF, Split, and SVELayout.

Referenced by llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ isVGInstruction()

bool llvm::AArch64PrologueEpilogueCommon::isVGInstruction ( MachineBasicBlock::iterator MBBI,
const TargetLowering & TLI ) const
protected

Definition at line 36 of file AArch64PrologueEpilogue.cpp.

References llvm::matchLibcall(), MBBI, Opc, and requiresGetVGCall().

Referenced by convertCalleeSaveRestoreToSPPrePostIncDec(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ requiresGetVGCall()

bool llvm::AArch64PrologueEpilogueCommon::requiresGetVGCall ( ) const
protected

Definition at line 31 of file AArch64PrologueEpilogue.cpp.

References AFI, and MF.

Referenced by isVGInstruction().

◆ shouldCombineCSRLocalStackBump()

bool llvm::AArch64PrologueEpilogueCommon::shouldCombineCSRLocalStackBump ( uint64_t StackBumpBytes) const
protected

Definition at line 312 of file AArch64PrologueEpilogue.cpp.

References AFI, AFL, MF, MFI, and RegInfo.

Member Data Documentation

◆ AFI

AArch64FunctionInfo* llvm::AArch64PrologueEpilogueCommon::AFI = nullptr
protected

Definition at line 97 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64EpilogueEmitter::AArch64EpilogueEmitter(), llvm::AArch64PrologueEmitter::AArch64PrologueEmitter(), AArch64PrologueEpilogueCommon(), llvm::AArch64EpilogueEmitter::emitEpilogue(), llvm::AArch64PrologueEmitter::emitPrologue(), getSVEStackFrameSizes(), requiresGetVGCall(), and shouldCombineCSRLocalStackBump().

◆ AFL

const AArch64FrameLowering& llvm::AArch64PrologueEpilogueCommon::AFL
protected

Definition at line 81 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64EpilogueEmitter::AArch64EpilogueEmitter(), llvm::AArch64PrologueEmitter::AArch64PrologueEmitter(), AArch64PrologueEpilogueCommon(), convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), llvm::AArch64PrologueEmitter::emitPrologue(), getSVEStackFrameSizes(), and shouldCombineCSRLocalStackBump().

◆ EmitCFI

bool llvm::AArch64PrologueEpilogueCommon::EmitCFI = false
protected

Definition at line 87 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64EpilogueEmitter::AArch64EpilogueEmitter(), llvm::AArch64PrologueEmitter::AArch64PrologueEmitter(), convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ HasFP

bool llvm::AArch64PrologueEpilogueCommon::HasFP = false
protected

Definition at line 86 of file AArch64PrologueEpilogue.h.

Referenced by AArch64PrologueEpilogueCommon(), llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ HasWinCFI

bool llvm::AArch64PrologueEpilogueCommon::HasWinCFI = false
mutableprotected

Definition at line 94 of file AArch64PrologueEpilogue.h.

Referenced by convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), llvm::AArch64PrologueEmitter::emitPrologue(), fixupCalleeSaveRestoreStackOffset(), and llvm::AArch64PrologueEmitter::~AArch64PrologueEmitter().

◆ HomPrologEpilog

bool llvm::AArch64PrologueEpilogueCommon::HomPrologEpilog = false
protected

Definition at line 90 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64EpilogueEmitter::AArch64EpilogueEmitter(), llvm::AArch64PrologueEmitter::AArch64PrologueEmitter(), llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ IsFunclet

bool llvm::AArch64PrologueEpilogueCommon::IsFunclet = false
protected

Definition at line 88 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64PrologueEmitter::AArch64PrologueEmitter(), llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ MBB

MachineBasicBlock& llvm::AArch64PrologueEpilogueCommon::MBB
protected

Definition at line 77 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64EpilogueEmitter::AArch64EpilogueEmitter(), llvm::AArch64PrologueEmitter::AArch64PrologueEmitter(), AArch64PrologueEpilogueCommon(), convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ MF

MachineFunction& llvm::AArch64PrologueEpilogueCommon::MF
protected

Definition at line 76 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64EpilogueEmitter::AArch64EpilogueEmitter(), llvm::AArch64PrologueEmitter::AArch64PrologueEmitter(), AArch64PrologueEpilogueCommon(), convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), llvm::AArch64PrologueEmitter::emitPrologue(), getSVEStackFrameSizes(), requiresGetVGCall(), shouldCombineCSRLocalStackBump(), and llvm::AArch64PrologueEmitter::~AArch64PrologueEmitter().

◆ MFI

const MachineFrameInfo& llvm::AArch64PrologueEpilogueCommon::MFI
protected

Definition at line 79 of file AArch64PrologueEpilogue.h.

Referenced by AArch64PrologueEpilogueCommon(), llvm::AArch64EpilogueEmitter::emitEpilogue(), llvm::AArch64PrologueEmitter::emitPrologue(), and shouldCombineCSRLocalStackBump().

◆ NeedsWinCFI

bool llvm::AArch64PrologueEpilogueCommon::NeedsWinCFI = false
protected

Definition at line 89 of file AArch64PrologueEpilogue.h.

Referenced by AArch64PrologueEpilogueCommon(), convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), llvm::AArch64PrologueEmitter::emitPrologue(), and fixupCalleeSaveRestoreStackOffset().

◆ RegInfo

const AArch64RegisterInfo& llvm::AArch64PrologueEpilogueCommon::RegInfo
protected

Definition at line 82 of file AArch64PrologueEpilogue.h.

Referenced by AArch64PrologueEpilogueCommon(), llvm::AArch64PrologueEmitter::emitPrologue(), and shouldCombineCSRLocalStackBump().

◆ Subtarget

const AArch64Subtarget& llvm::AArch64PrologueEpilogueCommon::Subtarget
protected

Definition at line 80 of file AArch64PrologueEpilogue.h.

Referenced by AArch64PrologueEpilogueCommon(), convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

◆ SVELayout

SVEStackLayout llvm::AArch64PrologueEpilogueCommon::SVELayout = SVEStackLayout::Default
protected

Definition at line 91 of file AArch64PrologueEpilogue.h.

Referenced by llvm::AArch64EpilogueEmitter::emitEpilogue(), llvm::AArch64PrologueEmitter::emitPrologue(), getSVEStackAllocations(), and getSVEStackFrameSizes().

◆ TII

const TargetInstrInfo* llvm::AArch64PrologueEpilogueCommon::TII = nullptr
protected

Definition at line 96 of file AArch64PrologueEpilogue.h.

Referenced by AArch64PrologueEpilogueCommon(), convertCalleeSaveRestoreToSPPrePostIncDec(), llvm::AArch64EpilogueEmitter::emitEpilogue(), and llvm::AArch64PrologueEmitter::emitPrologue().

The documentation for this class was generated from the following files:
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