[PATCH] D125712: [SLP][X86] Improve reordering to consider alternate instruction bundles

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Do you have many more examples of these patterns? If the addsub<->subadd pattern is the main problem it shouldn't take much to fix it later on in the backend


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https://reviews.llvm.org/D125712