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

[JunMa via Phabricator via llvm-commits]

junparser added a comment.

@lxfind, Thank you!  And could you please add some testcases?



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Comment at: llvm/lib/Transforms/Coroutines/CoroSplit.cpp:1286
+        continue;
+      if (CastInst) {
+        // If we have multiple cast instructions for the alloca, don't
----------------
It is possible to handle multiple cast instructions as long as they are only used by lifetime marker intrinsic. 


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