[PATCH] D131487: [TypePromotion] Don't insert Truncate for a no-op ZExt

[Sergei Barannikov via Phabricator via llvm-commits]

barannikov88 accepted this revision.
barannikov88 added a comment.

In D131487#3713019 <https://reviews.llvm.org/D131487#3713019>, @avieira wrote:

> Is that somewhat clearer? I suspect the reason we never see a failure is because we 'replace' the input, rather than create a new ZExt. But like I said in the comment, it get's deleted. And as it is the trunc would just stay there dangling and get in the way of things.

With that comment is is pretty much clear now, thanks.


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