[PATCH] D70852: [InstCombine] Guard maxnum/minnum conversions with a TTI query
Ulrich Weigand via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Nov 29 06:29:48 PST 2019
uweigand added a comment.
In D70852#1763820 <https://reviews.llvm.org/D70852#1763820>, @lebedev.ri wrote:
> This seems like a lowering problem in SystemZ backend.
So is the backend supposed to lower minnum/maxnum always (to the obvious select sequence, I guess?), even if there's no instruction for it? Why would that be the job of the backend?
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https://reviews.llvm.org/D70852/new/
https://reviews.llvm.org/D70852
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