[PATCH] D78625: [ARM] Distribute post-inc for Thumb2 sign/zero extending loads/stores

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

I think we are still at the behests of LSR's cost modeling I'm afraid. This can just do slightly better at fixing up the results afterwards, it can slightly improve things in case ISel comes up with something unoptimal.


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https://reviews.llvm.org/D78625