llvm::emitMemChr

Emit a call to memchr with a pointer, int Val, and size_t Len.

Synopsis

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

Value*
emitMemChr(
    Value* Ptr,
    Value* Val,
    Value* Len,
    IRBuilderBase& B,
    DataLayout const& DL,
    TargetLibraryInfo const* TLI);

This assumes that Ptr is a pointer, Val is an 'int' value, and Len is an 'size_t' value.

The memchr call, or null if unavailable.

Name

Description

Ptr

Memory region to search.

Val

Byte value to search for.

Len

Number of bytes to examine.

IR builder used to create the call.

Data layout used for size_t typing.

TLI

Target library info describing available libcalls.

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