[PATCH] D102574: [InstCombine] Missed optimization for pow(x, y) * pow(x, z) with fast-math

Fri Jun 4 07:19:01 PDT 2021

spatel added a comment.

In D102574#2791437 <https://reviews.llvm.org/D102574#2791437>, @vdsered wrote:

> @spatel you mentioned one more optimization with sext that we miss because of too strict use-constraint here. I'll create another patch for that. I think, it's going to be the last one. I don't know any other transformations for mul/fmul that would benefit from the new method.

Yes, that was:
https://alive2.llvm.org/ce/z/27ryac
...and it would be another patch

I pushed the baseline tests for this patch with:
f03f4944cf <https://reviews.llvm.org/rGf03f4944cf829c86bc2c080b9a564bbc59aad277>

Please update/rebase her in Phab, so we'll see just the diffs from this patch.

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