LLVM: llvm::MachineBlockFrequencyInfo Class Reference (original) (raw)

MachineBlockFrequencyInfo pass uses BlockFrequencyInfoImpl implementation to estimate machine basic block frequencies. More...

#include "[llvm/CodeGen/MachineBlockFrequencyInfo.h](MachineBlockFrequencyInfo%5F8h%5Fsource.html)"

Public Member Functions
LLVM_ABI MachineBlockFrequencyInfo ()
LLVM_ABI MachineBlockFrequencyInfo (const MachineFunction &F, const MachineBranchProbabilityInfo &MBPI, const MachineLoopInfo &MLI)
LLVM_ABI MachineBlockFrequencyInfo (MachineBlockFrequencyInfo &&)
LLVM_ABI ~MachineBlockFrequencyInfo ()
LLVM_ABI bool invalidate (MachineFunction &F, const PreservedAnalyses &PA, MachineFunctionAnalysisManager::Invalidator &)
Handle invalidation explicitly.
LLVM_ABI void calculate (const MachineFunction &F, const MachineBranchProbabilityInfo &MBPI, const MachineLoopInfo &MLI)
calculate - compute block frequency info for the given function.
LLVM_ABI void print (raw_ostream &OS)
LLVM_ABI void releaseMemory ()
LLVM_ABI BlockFrequency getBlockFreq (const MachineBasicBlock *MBB) const
getblockFreq - Return block frequency.
double getBlockFreqRelativeToEntryBlock (const MachineBasicBlock *MBB) const
Compute the frequency of the block, relative to the entry block.
LLVM_ABI std::optional< uint64_t > getBlockProfileCount (const MachineBasicBlock *MBB) const
LLVM_ABI std::optional< uint64_t > getProfileCountFromFreq (BlockFrequency Freq) const
LLVM_ABI bool isIrrLoopHeader (const MachineBasicBlock *MBB) const
LLVM_ABI void onEdgeSplit (const MachineBasicBlock &NewPredecessor, const MachineBasicBlock &NewSuccessor, const MachineBranchProbabilityInfo &MBPI)
incrementally calculate block frequencies when we split edges, to avoid full CFG traversal.
LLVM_ABI const MachineFunction * getFunction () const
LLVM_ABI const MachineBranchProbabilityInfo * getMBPI () const
LLVM_ABI void view (const Twine &Name, bool isSimple=true) const
Pop up a ghostview window with the current block frequency propagation rendered using dot.
LLVM_ABI BlockFrequency getEntryFreq () const
Divide a block's BlockFrequency::getFrequency() value by this value to obtain the entry block - relative frequency of said block.

MachineBlockFrequencyInfo pass uses BlockFrequencyInfoImpl implementation to estimate machine basic block frequencies.

Definition at line 35 of file MachineBlockFrequencyInfo.h.

MachineBlockFrequencyInfo::MachineBlockFrequencyInfo ( ) default

◆ MachineBlockFrequencyInfo() [2/3]

◆ MachineBlockFrequencyInfo() [3/3]

◆ ~MachineBlockFrequencyInfo()

MachineBlockFrequencyInfo::~MachineBlockFrequencyInfo ( ) default

◆ calculate()

◆ getBlockFreq()

◆ getBlockFreqRelativeToEntryBlock()

double llvm::MachineBlockFrequencyInfo::getBlockFreqRelativeToEntryBlock ( const MachineBasicBlock * MBB) const inline

◆ getBlockProfileCount()

◆ getEntryFreq()

◆ getFunction()

◆ getMBPI()

◆ getProfileCountFromFreq()

◆ invalidate()

◆ isIrrLoopHeader()

◆ onEdgeSplit()

◆ print()

void MachineBlockFrequencyInfo::print ( raw_ostream & OS )

◆ releaseMemory()

void MachineBlockFrequencyInfo::releaseMemory ( )

◆ view()

void MachineBlockFrequencyInfo::view ( const Twine & Name,
bool isSimple = true ) const

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