[PATCH] D68089: [InstCombine] Optimize some memccpy calls to memcpy

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 created this revision.
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return memccpy(d, "helloworld", 'r', 20)

>
=

return memcpy(d, "helloworld", 8 /* pos of 'r' in string */), d + 8


Repository:
  rL LLVM

https://reviews.llvm.org/D68089

Files:
  include/llvm/Transforms/Utils/SimplifyLibCalls.h
  lib/Transforms/Utils/SimplifyLibCalls.cpp
  test/Transforms/InstCombine/memccpy-memcpy.ll

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