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Author SHA1 Message Date
Dávid Bolvanský
bb7b8540f0 [InstCombine] Optimize some memccpy calls to memcpy/null 
Summary:
return memccpy(d, "helloworld", 'r', 20)
=>
return memcpy(d, "helloworld", 8 /* pos of 'r' in string */), d + 8

Reviewers: efriedma, jdoerfert

Reviewed By: jdoerfert

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68089
 2019-11-26 10:54:47 +01:00
David Bolvansky
f1a5a93157 [NFC] Precommit tests for D68089 
llvm-svn: 373006
 2019-09-26 19:01:18 +00:00