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3 Commits

Author SHA1 Message Date
Kai Nacke a56bb78021 Add strchr(p, 0) -> p + strlen(p) to SimplifyLibCalls 
Add the missing transformation strchr(p, 0) -> p + strlen(p) to SimplifyLibCalls
and remove the ToDo comment.

Reviewer: Duncan P.N. Exan Smith
llvm-svn: 200736
 2014-02-04 05:55:16 +00:00
Yunzhong Gao c0c2b16932 Fixing a corner-case bug in strchr and strrchr lib call optimizations where 
the input character is not converted to char before comparing with zero.

The patch was discussed in this thread:
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20130812/184069.html

llvm-svn: 188489
 2013-08-15 20:58:59 +00:00
Meador Inge 174185084c instcombine: Migrate strchr and strrchr optimizations 
This patch migrates the strchr and strrchr optimizations from the
simplify-libcalls pass into the instcombine library call simplifier.

llvm-svn: 165875
 2012-10-13 16:45:37 +00:00