[PATCH] D16598: DAGCombiner: don't do (zext (trunc x)) -> (and x, 65535) if !hasOneUse(trunc x) and zext is free
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 26 13:33:26 PST 2016
arsenm added a comment.
Actually shouldn't the and turn back into a trunc if it is free?
Repository:
rL LLVM
http://reviews.llvm.org/D16598
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