llvm::ConstantFoldCall

Attempt to constant fold a call to the specified function with the specified arguments, returning null if unsuccessful.

Synopsis

Declared in <llvm/Analysis/ConstantFolding.h>

Constant*
ConstantFoldCall(
    CallBase const* Call,
    Function* F,
    ArrayRef<Constant*> Operands,
    TargetLibraryInfo const* TLI = nullptr,
    bool AllowNonDeterministic = true);

Return Value

The folded constant result, or null if unsuccessful.

Parameters

Name

Description

Call

Call site providing attributes and FP environment context.

Callee function to fold.

Operands

Constant arguments to the call.

TLI

Optional target library info for libcall recognition.

AllowNonDeterministic

Whether non‐deterministic fold results are OK.

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