[PATCH] D62531: SpeculateAroundPHIs: Respect convergent
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue May 28 11:16:07 PDT 2019
arsenm added a comment.
In D62531#1519636 <https://reviews.llvm.org/D62531#1519636>, @jdoerfert wrote:
> I don't think we need the AMDGPU test case specialization here. A generic test with a convergent and one with a non-duplicatable call would make more sense to me.
It concludes an arbitrary call is too expensive, so the problem doesn't manifest. I didn't see any control to override the cost
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