llvm::promoteCallWithIfThenElse

Synopses

Declared in <llvm/Transforms/Utils/CallPromotionUtils.h>

Promote an indirect call conditionally while updating contextual profiles.

CallBase*
promoteCallWithIfThenElse(
    CallBase& CB,
    Function& Callee,
    PGOContextualProfile& CtxProf);

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Promote the given indirect call site to conditionally call Callee. The promoted direct call instruction is predicated on `CB.getCalledOperand() == Callee`.

CallBase&
promoteCallWithIfThenElse(
    CallBase& CB,
    Function* Callee,
    MDNode* BranchWeights = nullptr);

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Return Value

The promoted direct call, or nullptr if promotion is not possible.
The promoted direct call placed in the "then" block.

Parameters

Name	Description
CB	Indirect call site to promote conditionally.
Callee	Function to call on the promoted path.
CtxProf	Contextual profile used to validate and update instrumentation.
BranchWeights	Optional !prof metadata for the new conditional branch.