[PATCH] D111237: [TypePromotion] Promote PHI + [SZ]Ext

[Andre Vieira via Phabricator via llvm-commits]

avieira added a comment.

I forgot to mention this address https://bugs.llvm.org/show_bug.cgi?id=51317 which is a suboptimal codegen issue encountered in snappy. Currently Snappy uses an inline asm workaround to make sure it doesn't end up with an extra 'and', this patch removes the need for that workaround.


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  https://reviews.llvm.org/D111237/new/

https://reviews.llvm.org/D111237