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

[Xun Li via Phabricator via cfe-commits]

lxfind added a comment.

@rsmith Thanks. That's a good point. Do you know if there already exists optimization passes in LLVM that attempts to shrink the range of lifetime intrinsics? If so, I am curious why that does not help in this case. Or is it generally unsafe to move the lifetime intrinsics, and we could only do it here with specific context knowledge about coroutines.


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