This function determines whether a value for the pointer LoadPtr can be extracted from the load at DepLI.

Synopsis

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

int
analyzeLoadFromClobberingLoad(
    Type* LoadTy,
    Value* LoadPtr,
    LoadInst* DepLI,
    DataLayout const& DL);

Description

On success, it returns the offset into DepLI that extraction would start. On failure, it returns ‐1.

Return Value

Offset into DepLI at which extraction would start, or ‐1 on failure.

Parameters

Name

Description

LoadTy

Type of the load being analyzed.

LoadPtr

Pointer operand of the load.

DepLI

Load that may clobber the loaded location.

DL

Data layout used for size and offset calculations.

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