[PATCH] D82314: [RFC][Coroutines] Optimize the lifespan of temporary co_await object

[Xun Li via Phabricator via llvm-commits]

lxfind updated this revision to Diff 272904.
lxfind added a comment.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

Tackle this problem inside CoroSplit as an optimization. Instead of only handling one particular case, we now look at every local variable in the coroutine, and sink their lifetime start markers when possible. This will bring in more benefits than doing so during IR emit. Confirmed that it works.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82314/new/

https://reviews.llvm.org/D82314

Files:
  llvm/lib/Transforms/Coroutines/CoroSplit.cpp

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