llvm::updateCGAndAnalysisManagerForFunctionPass

Helper to update the call graph after running a function pass.

Synopsis

Declared in <llvm/Analysis/CGSCCPassManager.h>

LazyCallGraph::SCC&
updateCGAndAnalysisManagerForFunctionPass(
    LazyCallGraph& G,
    LazyCallGraph::SCC& C,
    LazyCallGraph::Node& N,
    CGSCCAnalysisManager& AM,
    CGSCCUpdateResult& UR,
    FunctionAnalysisManager& FAM);

Description

Function passes can only mutate the call graph in specific ways. This routine provides a helper that updates the call graph in those ways including returning whether any changes were made and populating a CG update result struct for the overall CGSCC walk.

Return Value

The SCC that should be considered current after the update.

Parameters

Name

Description

Lazy call graph to update.

SCC currently being processed.

Call graph node for the function that was transformed.

CGSCC analysis manager.

Structure for communicating call graph updates.

FAM

Function analysis manager.

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