[PATCH] D153453: [MemCpyOpt] implement single BB stack-move optimization which unify the static unescaped allocas
Kohei Asano via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Aug 13 05:47:41 PDT 2023
khei4 added a comment.
@vitalybuka
> Looks strange that we add lifetime markers on alloca which has no markers before.
> Can't create counterexample, precondition blocks transformation.
Yeah, this is hard, but I believe capture tracking does guarantee that this is safe for unescaped allocas.
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https://reviews.llvm.org/D153453/new/
https://reviews.llvm.org/D153453
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