Add comment after API changes in r225090

Code review suggestion by Eric Christopher.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@226395 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 3a990d21490ddd41b47ecdd5eb9d1170c2a0a0bd..16d236cc58b6afa1093cf3bceed0ae06f63aeeb3 100644 (file)
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -1258,8 +1258,10 @@ public:
   void EmitLambdaStaticInvokeFunction(const CXXMethodDecl *MD);
   void EmitAsanPrologueOrEpilogue(bool Prologue);
 
-  /// EmitReturnBlock - Emit the unified return block, trying to avoid its
-  /// emission when possible.
+  /// \brief Emit the unified return block, trying to avoid its emission when
+  /// possible.
+  /// \return The debug location of the user written return statement if the
+  /// return block is is avoided.
   llvm::DebugLoc EmitReturnBlock();
 
   /// FinishFunction - Complete IR generation of the current function. It is