[PATCH] D113442: [InstCombine] Enable fold select into operand for FAdd, FMul, FSub and FDiv.

Dávid Bolvanský via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 1 08:49:29 PST 2022


xbolva00 added a comment.

In D113442#3206100 <https://reviews.llvm.org/D113442#3206100>, @goncharov wrote:

> Just FYI: I found that this change might affect of Ptrdist-ks benchmark from MultiSource suite on AMD Rome cores up to 30%. Don't have much details but leaving it here in case anyone else is affected.

This is huge regression. Does @spatel ´s parch fix it?

Any performance measurements of this patch alone? Or phoronix sill surprise (good/bad?) us again


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https://reviews.llvm.org/D113442



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