[PATCH] D35075: [AArch64] Redundant copy elimination - remove more zero copies.

Andrew Pinski via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 6 11:47:59 PDT 2017


apinski-cavium added a comment.

Why did it not produce:

  str wzr, [x2]

Instead?  this saves the one instruction like before and also seems better for some better in general as it is not dependent on the subs.


https://reviews.llvm.org/D35075





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