[clang] [clang][CodeGen] Promote point of GRO(CWG2563) (PR #151067)

[Chuanqi Xu via cfe-commits]

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@@ -973,8 +1028,27 @@ void CodeGenFunction::EmitCoroutineBody(const CoroutineBodyStmt &S) {
     // shouldn't change the AST.
     if (PreviousRetValue)
       cast<ReturnStmt>(Ret)->setRetValue(PreviousRetValue);
-  }
 
+    if (!GroManager.DirectEmit) {
+      // Send GRO conversion to ConvBB
+      auto *ConvBB =
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ChuanqiXu9 wrote:

Similarly, let's record ConvBB. It looks not very good to access from the IR directly. It requries implicit assumption for the structure of the IR.

https://github.com/llvm/llvm-project/pull/151067