[PATCH] D91800: [PassManager] Run Induction Variable Simplification pass *after* Recognize loop idioms pass, not before
Roman Lebedev via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Nov 20 09:02:39 PST 2020
lebedev.ri added a comment.
In D91800#2408151 <https://reviews.llvm.org/D91800#2408151>, @dmgreen wrote:
> Do we have phase ordering tests for various memset/memcpy loops?
We clearly do not.
> I have certainly seen places where we have managed to recognize a loop as a memcpy/memset, but not remove the remaining now empty loop. Here is some more fuel for your fire if you need it: https://godbolt.org/z/eW4rsY
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https://reviews.llvm.org/D91800/new/
https://reviews.llvm.org/D91800
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