[PATCH] D32839: SimplifyLibCalls: Optimize wcslen

[Matthias Braun via Phabricator via llvm-commits]

MatzeB updated this revision to Diff 98206.
MatzeB marked 3 inline comments as done.
MatzeB added a comment.

- Check type in !Array zeroinitializer case. (Technically this shouldn't be necessary as it would be UB otherwise, but optimizing based on this will hardly buy us anything).


Repository:
  rL LLVM

https://reviews.llvm.org/D32839

Files:
  include/llvm/Analysis/TargetLibraryInfo.h
  include/llvm/Analysis/ValueTracking.h
  include/llvm/IR/Constants.h
  include/llvm/Transforms/Utils/SimplifyLibCalls.h
  lib/Analysis/TargetLibraryInfo.cpp
  lib/Analysis/ValueTracking.cpp
  lib/IR/Constants.cpp
  lib/Transforms/Utils/SimplifyLibCalls.cpp
  test/Transforms/InstCombine/wcslen-1.ll
  test/Transforms/InstCombine/wcslen-2.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D32839.98206.patch
Type: text/x-patch
Size: 27673 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20170508/addc477c/attachment.bin>