[PATCH] D153453: [MemCpyOpt] implement single BB stack-move optimization which unify the static unescaped allocas

[Kohei Asano via Phabricator via llvm-commits]

khei4 added a comment.

@nikic

> We shouldn't use dominates() in this patch, as it's not always semantically correct. Just the BB check you added should be enough to fix the issue, no?

Thanks! Right! The semantics would be different (strict?) from the multi-BB case, and checking is enough to prevent crashes.


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