LLVM  10.0.0svn
Public Types | Public Member Functions | Static Public Member Functions | Protected Member Functions | Static Protected Member Functions | List of all members
llvm::SwitchInstProfUpdateWrapper Class Reference

A wrapper class to simplify modification of SwitchInst cases along with their prof branch_weights metadata. More...

#include "llvm/IR/Instructions.h"

Public Types

using CaseWeightOpt = Optional< uint32_t >
 

Public Member Functions

SwitchInstoperator-> ()
 
SwitchInstoperator* ()
 
 operator SwitchInst * ()
 
 SwitchInstProfUpdateWrapper (SwitchInst &SI)
 
 ~SwitchInstProfUpdateWrapper ()
 
SwitchInst::CaseIt removeCase (SwitchInst::CaseIt I)
 Delegate the call to the underlying SwitchInst::removeCase() and remove correspondent branch weight. More...
 
void addCase (ConstantInt *OnVal, BasicBlock *Dest, CaseWeightOpt W)
 Delegate the call to the underlying SwitchInst::addCase() and set the specified branch weight for the added case. More...
 
SymbolTableList< Instruction >::iterator eraseFromParent ()
 Delegate the call to the underlying SwitchInst::eraseFromParent() and mark this object to not touch the underlying SwitchInst in destructor. More...
 
void setSuccessorWeight (unsigned idx, CaseWeightOpt W)
 
CaseWeightOpt getSuccessorWeight (unsigned idx)
 

Static Public Member Functions

static CaseWeightOpt getSuccessorWeight (const SwitchInst &SI, unsigned idx)
 

Protected Member Functions

MDNodebuildProfBranchWeightsMD ()
 
void init ()
 

Static Protected Member Functions

static MDNodegetProfBranchWeightsMD (const SwitchInst &SI)
 

Detailed Description

A wrapper class to simplify modification of SwitchInst cases along with their prof branch_weights metadata.

Definition at line 3459 of file Instructions.h.

Member Typedef Documentation

◆ CaseWeightOpt

Definition at line 3481 of file Instructions.h.

Constructor & Destructor Documentation

◆ SwitchInstProfUpdateWrapper()

llvm::SwitchInstProfUpdateWrapper::SwitchInstProfUpdateWrapper ( SwitchInst SI)
inline

Definition at line 3486 of file Instructions.h.

References llvm::cl::init().

◆ ~SwitchInstProfUpdateWrapper()

llvm::SwitchInstProfUpdateWrapper::~SwitchInstProfUpdateWrapper ( )
inline

Member Function Documentation

◆ addCase()

void SwitchInstProfUpdateWrapper::addCase ( ConstantInt OnVal,
BasicBlock Dest,
SwitchInstProfUpdateWrapper::CaseWeightOpt  W 
)

Delegate the call to the underlying SwitchInst::addCase() and set the specified branch weight for the added case.

Definition at line 3946 of file Instructions.cpp.

References llvm::SwitchInst::addCase(), assert(), llvm::SwitchInst::getNumSuccessors(), and llvm::RISCVFenceField::W.

Referenced by SimplifyIndirectBrOnSelect().

◆ buildProfBranchWeightsMD()

MDNode * SwitchInstProfUpdateWrapper::buildProfBranchWeightsMD ( )
protected

◆ eraseFromParent()

SymbolTableList< Instruction >::iterator SwitchInstProfUpdateWrapper::eraseFromParent ( )

Delegate the call to the underlying SwitchInst::eraseFromParent() and mark this object to not touch the underlying SwitchInst in destructor.

Definition at line 3968 of file Instructions.cpp.

References llvm::Instruction::eraseFromParent().

Referenced by unswitchTrivialSwitch().

◆ getProfBranchWeightsMD()

MDNode * SwitchInstProfUpdateWrapper::getProfBranchWeightsMD ( const SwitchInst SI)
staticprotected

Definition at line 3880 of file Instructions.cpp.

References llvm::Instruction::getMetadata().

◆ getSuccessorWeight() [1/2]

SwitchInstProfUpdateWrapper::CaseWeightOpt SwitchInstProfUpdateWrapper::getSuccessorWeight ( unsigned  idx)

Definition at line 3979 of file Instructions.cpp.

References llvm::None.

Referenced by SimplifyIndirectBrOnSelect(), and unswitchTrivialSwitch().

◆ getSuccessorWeight() [2/2]

SwitchInstProfUpdateWrapper::CaseWeightOpt SwitchInstProfUpdateWrapper::getSuccessorWeight ( const SwitchInst SI,
unsigned  idx 
)
static

◆ init()

void SwitchInstProfUpdateWrapper::init ( )
protected

◆ operator SwitchInst *()

llvm::SwitchInstProfUpdateWrapper::operator SwitchInst * ( )
inline

Definition at line 3484 of file Instructions.h.

References SI.

◆ operator*()

SwitchInst& llvm::SwitchInstProfUpdateWrapper::operator* ( )
inline

Definition at line 3483 of file Instructions.h.

References SI.

◆ operator->()

SwitchInst* llvm::SwitchInstProfUpdateWrapper::operator-> ( )
inline

Definition at line 3482 of file Instructions.h.

References SI.

◆ removeCase()

SwitchInst::CaseIt SwitchInstProfUpdateWrapper::removeCase ( SwitchInst::CaseIt  I)

Delegate the call to the underlying SwitchInst::removeCase() and remove correspondent branch weight.

Definition at line 3932 of file Instructions.cpp.

References assert(), llvm::SwitchInst::getNumSuccessors(), and llvm::SwitchInst::removeCase().

Referenced by setBranchWeights(), and unswitchTrivialSwitch().

◆ setSuccessorWeight()

void SwitchInstProfUpdateWrapper::setSuccessorWeight ( unsigned  idx,
SwitchInstProfUpdateWrapper::CaseWeightOpt  W 
)

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