[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:650
 
-  if (Stmt *Ret = S.getReturnStmt())
+  if (Stmt *Ret = S.getReturnStmt()) {
+    // Since we already emitted the return value above, so we shouldn't
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junparser wrote:
> can we just remove this?
We couldn't. Otherwise it would emit the return expression again.


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  https://reviews.llvm.org/D117087/new/

https://reviews.llvm.org/D117087