[PATCH] D98963: [LoopVectorize] Change the identity element for FAdd where nsz is false

[David Sherwood via Phabricator via llvm-commits]

david-arm added a comment.

In D98963#2638353 <https://reviews.llvm.org/D98963#2638353>, @lebedev.ri wrote:

> Why not just always use `-0.0`?

We could do that - I guess we might see quite a few test failures though. Is there potential for less optimal code because the FP vector can no longer be a `zeroinitializer`?


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