[PATCH] D68916: [ARM] Accept ldrb.w mnemonic for certain addressing modes (PR43382)

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a subscriber: sdesmalen.
efriedma added a comment.

Oh, that makes sense.  But needs a comment on the pattern, and in cvtThumb2LDRB_PRE/POST.

It looks like the normal instruction patterns resolve the issue using "Constraints", to specify "Rn_wb".  I guess that isn't possible for aliases, though, at least at the moment?

Do other PRE/POST load/store instructions have the same issue?


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