[PATCH] D101176: [SimplifyLibCalls] Transform malloc to calloc with redundant memsets elimination (PR25892)
Dawid Jurczak via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 28 03:53:17 PDT 2021
yurai007 added a comment.
@efriedma @xbolva00 : Ok. I can try to integrate this with memcpyopt or DCE. It should simplify scanning stores part. Not sure if it's possible to get rid of rest.
For example we still need to perform malloc/calloc checks (for now memcpyopt knows nothing about allocation functions) and some kind of matching for icmp+br pattern.
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https://reviews.llvm.org/D101176/new/
https://reviews.llvm.org/D101176
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