Pass that matches Propeller profile basic blocks and infers their weights.

Synopsis

Declared in <llvm/CodeGen/BasicBlockMatchingAndInference.h>

class BasicBlockMatchingAndInference
    : public MachineFunctionPass

Description

Matches profiled blocks to the current MachineFunction by block hash, then infers weights for remaining blocks and edges.

Base Classes

Name

Description

MachineFunctionPass

FunctionPass adapter for passes that operate on a MachineFunction.

Member Functions

Name

Description

BasicBlockMatchingAndInference [constructor]

Construct the basic‐block matching and inference pass.

operator= [deleted]

Passes are not assignable.

assignPassManager

assignPassManager overloads

createPrinterPass [virtual]

createPrinterPass ‐ Get a function printer pass.

doFinalization [virtual]

Perform any cleanup needed after all passes have run.

doInitialization [virtual]

Cache this pass's MachineFunctionProperties at module initialization.

dump

Print this pass's state to stderr for debugging.

dumpPassStructure [virtual]

Print the pass nesting structure for ‐debug‐passes=PassStructure.

getAnalysis

getAnalysis overloads

getAnalysisID

getAnalysisID overloads

getAnalysisIfAvailable

Get an optional analysis result that may already be available.

getAnalysisUsage [virtual]

Declare analyses required and preserved by this pass.

getAsImmutablePass [virtual]

Return this pass as an ImmutablePass, or null if it is not one.

getAsPMDataManager [virtual]

Return this pass as a PMDataManager when it is a nested pass manager.

getPassArgument

Return a nice clean name for a pass corresponding to that used to enable the pass in opt.

getPassID

getPassID ‐ Return the PassID number that corresponds to this pass.

getPassKind

Return the kind of pass (module, function, loop, etc.).

getPassName [virtual]

Return the name of this pass.

getPotentialPassManagerType [virtual]

Return what kind of Pass Manager can manage this pass.

getResolver

Return the analysis resolver installed for this pass.

getWeightInfo

Return inferred weight info for function FuncName, if available.

mustPreserveAnalysisID

Report whether the analysis identified by AID must be preserved.

preparePassManager [virtual]

Check whether available pass managers are suitable for this pass.

print [virtual]

Print the internal state of this pass for analysis dumping.

printIRUnit [virtual]

Serialize the IR unit this pass operates on for ‐‐print‐changed.

releaseMemory [virtual]

Release memory held by this pass when it is no longer needed.

runOnFunction [virtual]

runOnFunction ‐ Virtual method overriden by subclasses to do the per‐function processing of the pass.

runOnMachineFunction [virtual]

Match and infer basic‐block weights for machine function F.

setResolver

Install the analysis resolver used to satisfy this pass's dependencies.

verifyAnalysis [virtual]

verifyAnalysis() ‐ This member can be implemented by a analysis pass to check state of analysis information.

Static Member Functions

Name

Description

createPass

Construct a new instance of the pass identified by ID.

lookupPassInfo

lookupPassInfo overloads

Static Data Members

Name

Description

ID

Pass identification, replacement for typeid.

Protected Member Functions

Name

Description

getAnalysisUsage [virtual]

getAnalysisUsage ‐ Subclasses that override getAnalysisUsage must call this.

getClearedProperties [virtual]

Return the MachineFunctionProperties this pass clears when it runs.

getRequiredProperties [virtual]

Return the MachineFunctionProperties this pass requires before running.

getSetProperties [virtual]

Return the MachineFunctionProperties this pass sets after running.

runOnMachineFunction [virtual]

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

skipFunction

Check whether this optional pass should be skipped for F.

Non-Member Functions

Name

Description

getBestSimplifyQuery

Build a SimplifyQuery from analyses currently valid in a pass.

getPassTimer

Request the timer for this legacy‐pass‐manager's pass instance.

isBitcodeWriterPass

Check whether a pass is a BitcodeWriterPass.

isIRPrintingPass

Return true if a pass is for IR printing.

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