[llvm-commits] [llvm] r98663 - /llvm/trunk/lib/Transforms/Scalar/SimplifyLibCalls.cpp

[Duncan Sands]

Hi Benjamin,

> +        } else if (Name == "strchr" ||
> +                   Name == "strrchr") {
> +          if (FTy->getNumParams() != 2 ||
> +              !FTy->getParamType(0)->isPointerTy() ||
> +              !FTy->getParamType(1)->isIntegerTy())
> +            continue;
> +          setOnlyReadsMemory(F);
> +          setDoesNotThrow(F);
> +          setDoesNotCapture(F, 1);

since strchr returns its pointer argument (offset a bit, usually), that
means that it is captured.

Ciao,

Duncan.