[PATCH] D117087: [C++20] [Coroutines] Implement return value optimization for get_return_object

[Chuanqi Xu via Phabricator via cfe-commits]

ChuanqiXu added inline comments.


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Comment at: clang/lib/CodeGen/CGCoroutine.cpp:481-485
-  // The gro variable has to outlive coroutine frame and coroutine promise, but,
-  // it can only be initialized after coroutine promise was created, thus, we
-  // split its emission in two parts. EmitGroAlloca emits an alloca and sets up
-  // cleanups. Later when coroutine promise is available we initialize the gro
-  // and sets the flag that the cleanup is now active.
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Since we've deleted the gro variable, we could remove GetReturnObjectManager.


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https://reviews.llvm.org/D117087