LLVM 22.0.0git
llvm::ErrataWorkaround Class Reference

#include "Target/Sparc/LeonPasses.h"

Inheritance diagram for llvm::ErrataWorkaround:
[legend]

Public Member Functions

 ErrataWorkaround ()
bool runOnMachineFunction (MachineFunction &MF) override
 runOnMachineFunction - This method must be overloaded to perform the desired machine code transformation or analysis.
StringRef getPassName () const override
 getPassName - Return a nice clean name for a pass.
Public Member Functions inherited from llvm::MachineFunctionPass
bool doInitialization (Module &) override
 doInitialization - Virtual method overridden by subclasses to do any necessary initialization before any pass is run.
Public Member Functions inherited from llvm::FunctionPass
 FunctionPass (char &pid)
void assignPassManager (PMStack &PMS, PassManagerType T) override
 Find appropriate Function Pass Manager or Call Graph Pass Manager in the PM Stack and add self into that manager.
PassManagerType getPotentialPassManagerType () const override
 Return what kind of Pass Manager can manage this pass.
Public Member Functions inherited from llvm::Pass
 Pass (PassKind K, char &pid)
 Pass (const Pass &)=delete
Passoperator= (const Pass &)=delete
virtual ~Pass ()
PassKind getPassKind () const
StringRef getPassArgument () const
 Return a nice clean name for a pass corresponding to that used to enable the pass in opt.
AnalysisID getPassID () const
 getPassID - Return the PassID number that corresponds to this pass.
virtual bool doFinalization (Module &)
 doFinalization - Virtual method overriden by subclasses to do any necessary clean up after all passes have run.
virtual void print (raw_ostream &OS, const Module *M) const
 print - Print out the internal state of the pass.
void dump () const
virtual void preparePassManager (PMStack &)
 Check if available pass managers are suitable for this pass or not.
void setResolver (AnalysisResolver *AR)
AnalysisResolvergetResolver () const
virtual void releaseMemory ()
 releaseMemory() - This member can be implemented by a pass if it wants to be able to release its memory when it is no longer needed.
virtual ImmutablePassgetAsImmutablePass ()
virtual PMDataManagergetAsPMDataManager ()
virtual void verifyAnalysis () const
 verifyAnalysis() - This member can be implemented by a analysis pass to check state of analysis information.
virtual void dumpPassStructure (unsigned Offset=0)
template<typename AnalysisType>
AnalysisType * getAnalysisIfAvailable () const
 getAnalysisIfAvailable<AnalysisType>() - Subclasses use this function to get analysis information that might be around, for example to update it.
bool mustPreserveAnalysisID (char &AID) const
 mustPreserveAnalysisID - This method serves the same function as getAnalysisIfAvailable, but works if you just have an AnalysisID.
template<typename AnalysisType>
AnalysisType & getAnalysis () const
 getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.
template<typename AnalysisType>
AnalysisType & getAnalysis (Function &F, bool *Changed=nullptr)
 getAnalysis<AnalysisType>() - This function is used by subclasses to get to the analysis information that they claim to use by overriding the getAnalysisUsage function.
template<typename AnalysisType>
AnalysisType & getAnalysisID (AnalysisID PI) const
template<typename AnalysisType>
AnalysisType & getAnalysisID (AnalysisID PI, Function &F, bool *Changed=nullptr)

Static Public Attributes

static char ID = 0

Protected Member Functions

bool checkSeqTN0009A (MachineBasicBlock::iterator I)
bool checkSeqTN0009B (MachineBasicBlock::iterator I)
bool checkSeqTN0010First (MachineBasicBlock &MBB)
bool checkSeqTN0010 (MachineBasicBlock::iterator I)
bool checkSeqTN0012 (MachineBasicBlock::iterator I)
bool checkSeqTN0013 (MachineBasicBlock::iterator I)
bool moveNext (MachineBasicBlock::iterator &I)
bool isFloat (MachineBasicBlock::iterator I)
bool isDivSqrt (MachineBasicBlock::iterator I)
void insertNop (MachineBasicBlock::iterator I)
Protected Member Functions inherited from llvm::MachineFunctionPass
 MachineFunctionPass (char &ID)
void getAnalysisUsage (AnalysisUsage &AU) const override
 getAnalysisUsage - Subclasses that override getAnalysisUsage must call this.
virtual MachineFunctionProperties getRequiredProperties () const
virtual MachineFunctionProperties getSetProperties () const
virtual MachineFunctionProperties getClearedProperties () const
Protected Member Functions inherited from llvm::FunctionPass
bool skipFunction (const Function &F) const
 Optional passes call this function to check whether the pass should be skipped.

Protected Attributes

const SparcSubtargetST
const TargetInstrInfoTII
const TargetRegisterInfoTRI

Additional Inherited Members

Static Public Member Functions inherited from llvm::Pass
static const PassInfolookupPassInfo (const void *TI)
static const PassInfolookupPassInfo (StringRef Arg)
static PasscreatePass (AnalysisID ID)

Detailed Description

Definition at line 40 of file LeonPasses.h.

Constructor & Destructor Documentation

◆ ErrataWorkaround()

Member Function Documentation

◆ checkSeqTN0009A()

bool ErrataWorkaround::checkSeqTN0009A ( MachineBasicBlock::iterator I)
protected

Definition at line 86 of file LeonPasses.cpp.

References I, insertNop(), MI, and moveNext().

Referenced by runOnMachineFunction().

◆ checkSeqTN0009B()

bool ErrataWorkaround::checkSeqTN0009B ( MachineBasicBlock::iterator I)
protected

Definition at line 124 of file LeonPasses.cpp.

References I, insertNop(), MI, and moveNext().

Referenced by runOnMachineFunction().

◆ checkSeqTN0010()

bool ErrataWorkaround::checkSeqTN0010 ( MachineBasicBlock::iterator I)
protected

◆ checkSeqTN0010First()

bool ErrataWorkaround::checkSeqTN0010First ( MachineBasicBlock & MBB)
protected

Definition at line 197 of file LeonPasses.cpp.

References I, insertNop(), and MBB.

Referenced by runOnMachineFunction().

◆ checkSeqTN0012()

bool ErrataWorkaround::checkSeqTN0012 ( MachineBasicBlock::iterator I)
protected

◆ checkSeqTN0013()

bool ErrataWorkaround::checkSeqTN0013 ( MachineBasicBlock::iterator I)
protected

Definition at line 245 of file LeonPasses.cpp.

References I, insertNop(), isDivSqrt(), isFloat(), MI, moveNext(), and TRI.

Referenced by runOnMachineFunction().

◆ getPassName()

StringRef llvm::ErrataWorkaround::getPassName ( ) const
inlineoverridevirtual

getPassName - Return a nice clean name for a pass.

This usually implemented in terms of the name that is registered by one of the Registration templates, but can be overloaded directly.

Reimplemented from llvm::Pass.

Definition at line 64 of file LeonPasses.h.

◆ insertNop()

void ErrataWorkaround::insertNop ( MachineBasicBlock::iterator I)
protected

◆ isDivSqrt()

bool ErrataWorkaround::isDivSqrt ( MachineBasicBlock::iterator I)
protected

Definition at line 71 of file LeonPasses.cpp.

References I.

Referenced by checkSeqTN0013(), and moveNext().

◆ isFloat()

bool ErrataWorkaround::isFloat ( MachineBasicBlock::iterator I)
protected

Definition at line 56 of file LeonPasses.cpp.

References contains(), and I.

Referenced by checkSeqTN0012(), checkSeqTN0013(), and moveNext().

◆ moveNext()

bool llvm::ErrataWorkaround::moveNext ( MachineBasicBlock::iterator & I)
protected

◆ runOnMachineFunction()

bool ErrataWorkaround::runOnMachineFunction ( MachineFunction & MF)
overridevirtual

runOnMachineFunction - This method must be overloaded to perform the desired machine code transformation or analysis.

Implements llvm::MachineFunctionPass.

Definition at line 295 of file LeonPasses.cpp.

References Changed, checkSeqTN0009A(), checkSeqTN0009B(), checkSeqTN0010(), checkSeqTN0010First(), checkSeqTN0012(), checkSeqTN0013(), llvm::MachineFunction::front(), llvm::MachineFunction::getSubtarget(), I, MBB, ST, TII, and TRI.

Member Data Documentation

◆ ID

char ErrataWorkaround::ID = 0
static

Definition at line 59 of file LeonPasses.h.

Referenced by ErrataWorkaround().

◆ ST

const SparcSubtarget* llvm::ErrataWorkaround::ST
protected

Definition at line 42 of file LeonPasses.h.

Referenced by runOnMachineFunction().

◆ TII

const TargetInstrInfo* llvm::ErrataWorkaround::TII
protected

Definition at line 43 of file LeonPasses.h.

Referenced by insertNop(), and runOnMachineFunction().

◆ TRI

const TargetRegisterInfo* llvm::ErrataWorkaround::TRI
protected

Definition at line 44 of file LeonPasses.h.

Referenced by checkSeqTN0013(), and runOnMachineFunction().


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