[PATCH] D126774: [InstCombine] Use +0.0 instead of -0.0 as the FP identity for some folds

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jun 7 07:49:45 PDT 2022


spatel added a comment.

In D126774#3563036 <https://reviews.llvm.org/D126774#3563036>, @david-arm wrote:

> - Added more pattern matches for MVE targets so we detect splats of +0.0 as well as -0.0.

The backend code change and tests should be a separate patch/review that lands before the InstCombine change, so we don't regress those patterns.


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