LLVM 24.0.0git
Public Types | Public Member Functions | List of all members
llvm::RISCVMachineFunctionInfo Class Reference

RISCVMachineFunctionInfo - This class is derived from MachineFunctionInfo and contains private RISCV-specific information for each MachineFunction. More...

#include "Target/RISCV/RISCVMachineFunctionInfo.h"

Inheritance diagram for llvm::RISCVMachineFunctionInfo:
[legend]

Public Types

enum class  ShadowStackKind { None = 0 , Hardware , Software }
enum class  PushPopKind { None = 0 , StdExtZcmp , VendorXqccmp }
enum class  InterruptStackKind {
  None = 0 , QCINest , QCINoNest , SiFiveCLICPreemptible ,
  SiFiveCLICStackSwap , SiFiveCLICPreemptibleStackSwap
}

Public Member Functions

 RISCVMachineFunctionInfo (const Function &F, const RISCVSubtarget *STI)
MachineFunctionInfo * clone (BumpPtrAllocator &Allocator, MachineFunction &DestMF, const DenseMap< MachineBasicBlock *, MachineBasicBlock * > &Src2DstMBB) const override
 Make a functionally equivalent copy of this MachineFunctionInfo in MF.
int getVarArgsFrameIndex () const
void setVarArgsFrameIndex (int Index)
unsigned getVarArgsSaveSize () const
void setVarArgsSaveSize (int Size)
int getMoveF64FrameIndex (MachineFunction &MF)
int getBranchRelaxationScratchFrameIndex () const
void setBranchRelaxationScratchFrameIndex (int Index)
unsigned getReservedSpillsSize () const
unsigned getLibCallStackSize () const
void setLibCallStackSize (unsigned Size)
bool useSaveRestoreLibCalls (const MachineFunction &MF) const
uint64_t getRVVStackSize () const
void setRVVStackSize (uint64_t Size)
Align getRVVStackAlign () const
void setRVVStackAlign (Align StackAlign)
uint64_t getRVVPadding () const
void setRVVPadding (uint64_t Padding)
unsigned getCalleeSavedStackSize () const
void setCalleeSavedStackSize (unsigned Size)
void setIncomingIndirectArg (unsigned ArgIndex, Register Reg)
Register getIncomingIndirectArg (unsigned ArgIndex) const
ShadowStackKind getShadowStackKind (const MachineFunction &MF) const
bool hasShadowStack (const MachineFunction &MF) const
PushPopKind getPushPopKind (const MachineFunction &MF) const
bool isPushable (const MachineFunction &MF) const
unsigned getRVPushRegs () const
void setRVPushRegs (unsigned Regs)
unsigned getRVPushStackSize () const
void setRVPushStackSize (unsigned Size)
InterruptStackKind getInterruptStackKind (const MachineFunction &MF) const
bool useQCIInterrupt (const MachineFunction &MF) const
unsigned getQCIInterruptStackSize () const
void setQCIInterruptStackSize (unsigned Size)
bool useSiFiveInterrupt (const MachineFunction &MF) const
bool isSiFivePreemptibleInterrupt (const MachineFunction &MF) const
bool isSiFiveStackSwapInterrupt (const MachineFunction &MF) const
void pushInterruptCSRFrameIndex (int FI)
int getInterruptCSRFrameIndex (size_t Idx) const
bool hasImplicitFPUpdates (const MachineFunction &MF) const
void initializeBaseYamlFields (const yaml::RISCVMachineFunctionInfo &YamlMFI)
void addSExt32Register (Register Reg)
bool isSExt32Register (Register Reg) const
bool isVectorCall () const
void setIsVectorCall ()
bool hasDynamicAllocation () const
void setDynamicAllocation ()
bool hasCFProtectionBranch () const
Public Member Functions inherited from llvm::MachineFunctionInfo
virtual ~MachineFunctionInfo ()

Additional Inherited Members

Static Public Member Functions inherited from llvm::MachineFunctionInfo
template<typename FuncInfoTy, typename SubtargetTy = TargetSubtargetInfo>
static FuncInfoTy * create (BumpPtrAllocator &Allocator, const Function &F, const SubtargetTy *STI)
 Factory function: default behavior is to call new using the supplied allocator.
template<typename Ty>
static Ty * create (BumpPtrAllocator &Allocator, const Ty &MFI)

Detailed Description

RISCVMachineFunctionInfo - This class is derived from MachineFunctionInfo and contains private RISCV-specific information for each MachineFunction.

Definition at line 48 of file RISCVMachineFunctionInfo.h.

Member Enumeration Documentation

◆ InterruptStackKind

enum class llvm::RISCVMachineFunctionInfo::InterruptStackKind
strong
Enumerator
None 
QCINest 
QCINoNest 
SiFiveCLICPreemptible 
SiFiveCLICStackSwap 
SiFiveCLICPreemptibleStackSwap 

Definition at line 187 of file RISCVMachineFunctionInfo.h.

◆ PushPopKind

enum class llvm::RISCVMachineFunctionInfo::PushPopKind
strong
Enumerator
None 
StdExtZcmp 
VendorXqccmp 

Definition at line 173 of file RISCVMachineFunctionInfo.h.

◆ ShadowStackKind

enum class llvm::RISCVMachineFunctionInfo::ShadowStackKind
strong
Enumerator
None 
Hardware 
Software 

Definition at line 166 of file RISCVMachineFunctionInfo.h.

Constructor & Destructor Documentation

◆ RISCVMachineFunctionInfo()

RISCVMachineFunctionInfo::RISCVMachineFunctionInfo ( const Function & F,
const RISCVSubtarget * STI )

Definition at line 30 of file RISCVMachineFunctionInfo.cpp.

References llvm::alignDown(), assert(), llvm::dyn_cast_or_null(), llvm::mdconst::extract_or_null(), F, llvm::RISCVSubtarget::getFrameLowering(), llvm::TargetFrameLowering::getTransientStackAlign(), llvm::StringRef::size(), and llvm::Align::value().

Referenced by clone().

Member Function Documentation

◆ addSExt32Register()

void RISCVMachineFunctionInfo::addSExt32Register ( Register Reg)

Definition at line 162 of file RISCVMachineFunctionInfo.cpp.

Referenced by markSExt32Registers(), and unpackFromRegLoc().

◆ clone()

MachineFunctionInfo * RISCVMachineFunctionInfo::clone ( BumpPtrAllocator & Allocator,
MachineFunction & DestMF,
const DenseMap< MachineBasicBlock *, MachineBasicBlock * > & Src2DstMBB ) const
overridevirtual

Make a functionally equivalent copy of this MachineFunctionInfo in MF.

This requires remapping MachineBasicBlock references from the original parent to values in the new function. Targets may assume that virtual register and frame index values are preserved in the new function.

Reimplemented from llvm::MachineFunctionInfo.

Definition at line 23 of file RISCVMachineFunctionInfo.cpp.

References llvm::MachineFunction::cloneInfo(), and RISCVMachineFunctionInfo().

◆ getBranchRelaxationScratchFrameIndex()

int llvm::RISCVMachineFunctionInfo::getBranchRelaxationScratchFrameIndex ( ) const
inline

Definition at line 122 of file RISCVMachineFunctionInfo.h.

Referenced by llvm::RISCVInstrInfo::insertIndirectBranch().

◆ getCalleeSavedStackSize()

unsigned llvm::RISCVMachineFunctionInfo::getCalleeSavedStackSize ( ) const
inline

Definition at line 154 of file RISCVMachineFunctionInfo.h.

◆ getIncomingIndirectArg()

Register llvm::RISCVMachineFunctionInfo::getIncomingIndirectArg ( unsigned ArgIndex) const
inline

Definition at line 160 of file RISCVMachineFunctionInfo.h.

References assert().

Referenced by llvm::RISCVTargetLowering::LowerCall().

◆ getInterruptCSRFrameIndex()

int llvm::RISCVMachineFunctionInfo::getInterruptCSRFrameIndex ( size_t Idx) const
inline

Definition at line 229 of file RISCVMachineFunctionInfo.h.

◆ getInterruptStackKind()

RISCVMachineFunctionInfo::InterruptStackKind RISCVMachineFunctionInfo::getInterruptStackKind ( const MachineFunction & MF) const

Definition at line 63 of file RISCVMachineFunctionInfo.cpp.

References assert(), llvm::StringSwitch< T, R >::Case(), llvm::StringSwitch< T, R >::Default(), llvm::Function::getFnAttribute(), llvm::MachineFunction::getFunction(), llvm::Attribute::getValueAsString(), llvm::Function::hasFnAttribute(), None, QCINest, QCINoNest, SiFiveCLICPreemptible, SiFiveCLICPreemptibleStackSwap, and SiFiveCLICStackSwap.

Referenced by hasImplicitFPUpdates(), isSiFivePreemptibleInterrupt(), isSiFiveStackSwapInterrupt(), llvm::RISCVFrameLowering::spillCalleeSavedRegisters(), useQCIInterrupt(), and useSiFiveInterrupt().

◆ getLibCallStackSize()

unsigned llvm::RISCVMachineFunctionInfo::getLibCallStackSize ( ) const
inline

Definition at line 133 of file RISCVMachineFunctionInfo.h.

◆ getMoveF64FrameIndex()

int llvm::RISCVMachineFunctionInfo::getMoveF64FrameIndex ( MachineFunction & MF)
inline

Definition at line 115 of file RISCVMachineFunctionInfo.h.

References llvm::MachineFrameInfo::CreateStackObject(), and llvm::MachineFunction::getFrameInfo().

◆ getPushPopKind()

RISCVMachineFunctionInfo::PushPopKind RISCVMachineFunctionInfo::getPushPopKind ( const MachineFunction & MF) const

Definition at line 109 of file RISCVMachineFunctionInfo.cpp.

References llvm::MachineFunction::disableFramePointerElim(), llvm::MachineFunction::getSubtarget(), None, StdExtZcmp, useSiFiveInterrupt(), and VendorXqccmp.

Referenced by hasImplicitFPUpdates(), isPushable(), llvm::RISCVFrameLowering::restoreCalleeSavedRegisters(), and llvm::RISCVFrameLowering::spillCalleeSavedRegisters().

◆ getQCIInterruptStackSize()

unsigned llvm::RISCVMachineFunctionInfo::getQCIInterruptStackSize ( ) const
inline

Definition at line 204 of file RISCVMachineFunctionInfo.h.

◆ getReservedSpillsSize()

unsigned llvm::RISCVMachineFunctionInfo::getReservedSpillsSize ( ) const
inline

Definition at line 129 of file RISCVMachineFunctionInfo.h.

◆ getRVPushRegs()

unsigned llvm::RISCVMachineFunctionInfo::getRVPushRegs ( ) const
inline

Definition at line 181 of file RISCVMachineFunctionInfo.h.

Referenced by llvm::RISCVFrameLowering::restoreCalleeSavedRegisters(), and llvm::RISCVFrameLowering::spillCalleeSavedRegisters().

◆ getRVPushStackSize()

unsigned llvm::RISCVMachineFunctionInfo::getRVPushStackSize ( ) const
inline

Definition at line 184 of file RISCVMachineFunctionInfo.h.

◆ getRVVPadding()

uint64_t llvm::RISCVMachineFunctionInfo::getRVVPadding ( ) const
inline

Definition at line 151 of file RISCVMachineFunctionInfo.h.

References uint64_t.

◆ getRVVStackAlign()

Align llvm::RISCVMachineFunctionInfo::getRVVStackAlign ( ) const
inline

Definition at line 148 of file RISCVMachineFunctionInfo.h.

◆ getRVVStackSize()

uint64_t llvm::RISCVMachineFunctionInfo::getRVVStackSize ( ) const
inline

Definition at line 145 of file RISCVMachineFunctionInfo.h.

References uint64_t.

◆ getShadowStackKind()

RISCVMachineFunctionInfo::ShadowStackKind RISCVMachineFunctionInfo::getShadowStackKind ( const MachineFunction & MF) const

Definition at line 91 of file RISCVMachineFunctionInfo.cpp.

References llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), Hardware, llvm::Function::hasFnAttribute(), None, and Software.

Referenced by hasShadowStack().

◆ getVarArgsFrameIndex()

int llvm::RISCVMachineFunctionInfo::getVarArgsFrameIndex ( ) const
inline

Definition at line 109 of file RISCVMachineFunctionInfo.h.

◆ getVarArgsSaveSize()

unsigned llvm::RISCVMachineFunctionInfo::getVarArgsSaveSize ( ) const
inline

Definition at line 112 of file RISCVMachineFunctionInfo.h.

◆ hasCFProtectionBranch()

bool llvm::RISCVMachineFunctionInfo::hasCFProtectionBranch ( ) const
inline

Definition at line 250 of file RISCVMachineFunctionInfo.h.

Referenced by llvm::RISCVInstrInfo::analyzeCandidate(), cannotInsertTailCall(), llvm::RISCVTargetLowering::expandIndirectJTBranch(), llvm::RISCVInstrInfo::insertOutlinedCall(), and llvm::RISCVTargetLowering::LowerCall().

◆ hasDynamicAllocation()

bool llvm::RISCVMachineFunctionInfo::hasDynamicAllocation ( ) const
inline

Definition at line 247 of file RISCVMachineFunctionInfo.h.

◆ hasImplicitFPUpdates()

bool RISCVMachineFunctionInfo::hasImplicitFPUpdates ( const MachineFunction & MF) const

Definition at line 133 of file RISCVMachineFunctionInfo.cpp.

References getInterruptStackKind(), getPushPopKind(), QCINest, QCINoNest, and VendorXqccmp.

◆ hasShadowStack()

bool llvm::RISCVMachineFunctionInfo::hasShadowStack ( const MachineFunction & MF) const
inline

Definition at line 169 of file RISCVMachineFunctionInfo.h.

References getShadowStackKind(), and None.

Referenced by llvm::RISCVFrameLowering::canUseAsEpilogue(), and llvm::RISCVFrameLowering::restoreCalleeSavedRegisters().

◆ initializeBaseYamlFields()

void RISCVMachineFunctionInfo::initializeBaseYamlFields ( const yaml::RISCVMachineFunctionInfo & YamlMFI)

Definition at line 156 of file RISCVMachineFunctionInfo.cpp.

References llvm::yaml::RISCVMachineFunctionInfo::VarArgsFrameIndex, and llvm::yaml::RISCVMachineFunctionInfo::VarArgsSaveSize.

◆ isPushable()

bool llvm::RISCVMachineFunctionInfo::isPushable ( const MachineFunction & MF) const
inline

Definition at line 177 of file RISCVMachineFunctionInfo.h.

References getPushPopKind(), and None.

Referenced by llvm::RISCVFrameLowering::restoreCalleeSavedRegisters(), llvm::RISCVFrameLowering::spillCalleeSavedRegisters(), and useSaveRestoreLibCalls().

◆ isSExt32Register()

bool RISCVMachineFunctionInfo::isSExt32Register ( Register Reg) const

Definition at line 166 of file RISCVMachineFunctionInfo.cpp.

References llvm::is_contained().

Referenced by isSignExtendedW().

◆ isSiFivePreemptibleInterrupt()

bool llvm::RISCVMachineFunctionInfo::isSiFivePreemptibleInterrupt ( const MachineFunction & MF) const
inline

Definition at line 214 of file RISCVMachineFunctionInfo.h.

References getInterruptStackKind(), SiFiveCLICPreemptible, and SiFiveCLICPreemptibleStackSwap.

Referenced by createSiFivePreemptibleInterruptFrameEntries(), and getUnmanagedInterruptCSI().

◆ isSiFiveStackSwapInterrupt()

bool llvm::RISCVMachineFunctionInfo::isSiFiveStackSwapInterrupt ( const MachineFunction & MF) const
inline

Definition at line 220 of file RISCVMachineFunctionInfo.h.

References getInterruptStackKind(), SiFiveCLICPreemptibleStackSwap, and SiFiveCLICStackSwap.

◆ isVectorCall()

bool llvm::RISCVMachineFunctionInfo::isVectorCall ( ) const
inline

Definition at line 244 of file RISCVMachineFunctionInfo.h.

◆ pushInterruptCSRFrameIndex()

void llvm::RISCVMachineFunctionInfo::pushInterruptCSRFrameIndex ( int FI)
inline

Definition at line 226 of file RISCVMachineFunctionInfo.h.

Referenced by createSiFivePreemptibleInterruptFrameEntries().

◆ setBranchRelaxationScratchFrameIndex()

void llvm::RISCVMachineFunctionInfo::setBranchRelaxationScratchFrameIndex ( int Index)
inline

Definition at line 125 of file RISCVMachineFunctionInfo.h.

◆ setCalleeSavedStackSize()

void llvm::RISCVMachineFunctionInfo::setCalleeSavedStackSize ( unsigned Size)
inline

Definition at line 155 of file RISCVMachineFunctionInfo.h.

References Size.

◆ setDynamicAllocation()

void llvm::RISCVMachineFunctionInfo::setDynamicAllocation ( )
inline

Definition at line 248 of file RISCVMachineFunctionInfo.h.

◆ setIncomingIndirectArg()

void llvm::RISCVMachineFunctionInfo::setIncomingIndirectArg ( unsigned ArgIndex,
Register Reg )
inline

Definition at line 157 of file RISCVMachineFunctionInfo.h.

References Reg.

Referenced by llvm::RISCVTargetLowering::LowerFormalArguments().

◆ setIsVectorCall()

void llvm::RISCVMachineFunctionInfo::setIsVectorCall ( )
inline

Definition at line 245 of file RISCVMachineFunctionInfo.h.

Referenced by llvm::RISCVTargetLowering::LowerFormalArguments(), llvm::RISCVCallLowering::lowerFormalArguments(), llvm::RISCVTargetLowering::LowerReturn(), and llvm::RISCVCallLowering::lowerReturn().

◆ setLibCallStackSize()

void llvm::RISCVMachineFunctionInfo::setLibCallStackSize ( unsigned Size)
inline

Definition at line 134 of file RISCVMachineFunctionInfo.h.

References Size.

◆ setQCIInterruptStackSize()

void llvm::RISCVMachineFunctionInfo::setQCIInterruptStackSize ( unsigned Size)
inline

Definition at line 205 of file RISCVMachineFunctionInfo.h.

References Size.

◆ setRVPushRegs()

void llvm::RISCVMachineFunctionInfo::setRVPushRegs ( unsigned Regs)
inline

Definition at line 182 of file RISCVMachineFunctionInfo.h.

◆ setRVPushStackSize()

void llvm::RISCVMachineFunctionInfo::setRVPushStackSize ( unsigned Size)
inline

Definition at line 185 of file RISCVMachineFunctionInfo.h.

References Size.

◆ setRVVPadding()

void llvm::RISCVMachineFunctionInfo::setRVVPadding ( uint64_t Padding)
inline

Definition at line 152 of file RISCVMachineFunctionInfo.h.

References uint64_t.

◆ setRVVStackAlign()

void llvm::RISCVMachineFunctionInfo::setRVVStackAlign ( Align StackAlign)
inline

Definition at line 149 of file RISCVMachineFunctionInfo.h.

◆ setRVVStackSize()

void llvm::RISCVMachineFunctionInfo::setRVVStackSize ( uint64_t Size)
inline

Definition at line 146 of file RISCVMachineFunctionInfo.h.

References Size, and uint64_t.

◆ setVarArgsFrameIndex()

void llvm::RISCVMachineFunctionInfo::setVarArgsFrameIndex ( int Index)
inline

Definition at line 110 of file RISCVMachineFunctionInfo.h.

Referenced by llvm::RISCVTargetLowering::LowerFormalArguments().

◆ setVarArgsSaveSize()

void llvm::RISCVMachineFunctionInfo::setVarArgsSaveSize ( int Size)
inline

Definition at line 113 of file RISCVMachineFunctionInfo.h.

References Size.

Referenced by llvm::RISCVTargetLowering::LowerFormalArguments().

◆ useQCIInterrupt()

bool llvm::RISCVMachineFunctionInfo::useQCIInterrupt ( const MachineFunction & MF) const
inline

Definition at line 198 of file RISCVMachineFunctionInfo.h.

References getInterruptStackKind(), QCINest, and QCINoNest.

Referenced by llvm::RISCVFrameLowering::enableShrinkWrapping(), llvm::RISCVFrameLowering::restoreCalleeSavedRegisters(), and llvm::RISCVFrameLowering::spillCalleeSavedRegisters().

◆ useSaveRestoreLibCalls()

bool llvm::RISCVMachineFunctionInfo::useSaveRestoreLibCalls ( const MachineFunction & MF) const
inline

Definition at line 136 of file RISCVMachineFunctionInfo.h.

References llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::MachineFunction::getSubtarget(), llvm::Function::hasFnAttribute(), llvm::MachineFrameInfo::hasTailCall(), and isPushable().

Referenced by llvm::RISCVFrameLowering::canUseAsEpilogue(), and llvm::RISCVFrameLowering::canUseAsPrologue().

◆ useSiFiveInterrupt()

bool llvm::RISCVMachineFunctionInfo::useSiFiveInterrupt ( const MachineFunction & MF) const
inline

Definition at line 207 of file RISCVMachineFunctionInfo.h.

References getInterruptStackKind(), SiFiveCLICPreemptible, SiFiveCLICPreemptibleStackSwap, and SiFiveCLICStackSwap.

Referenced by llvm::RISCVFrameLowering::enableShrinkWrapping(), and getPushPopKind().

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