[PATCH] D78932: [DSE,MSSA] Relax post-dom restriction for objs visible after return.
Eli Friedman via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Apr 28 14:34:44 PDT 2020
efriedma added a comment.
postdominance should work with invokes. I was thinking more of plain calls that unwind. But now I'm remembering: MemorySSA treats a potentially throwing call as a read of the value, even if the call itself can't actually read the value. But still, the new code isn't consistent with the mayThrowBetween() check. I forget the end result of the discussion of whether we still need that check at all.
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https://reviews.llvm.org/D78932/new/
https://reviews.llvm.org/D78932
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