[PATCH] D89952: [SelectionDAG] Enable CTPOP optimization fine tuning

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Nov 3 11:00:46 PST 2020


spatel added a comment.

In D89952#2359357 <https://reviews.llvm.org/D89952#2359357>, @davezarzycki wrote:

> Rebase. No change.
>
> The patch now has no test suite impact because all of the vector CTPOP tests that should be eliminated before code gen have been removed on trunk/master.

Is this a no-functional-change patch for cases that are not reduced in IR? Do we have regression test coverage for a target with a legal CTPOP vector instruction (like AArch64 `cnt`)?


Repository:
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CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D89952/new/

https://reviews.llvm.org/D89952



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