[clang] [CIR] Flatten loop ops with a cleanup region (PR #210472)

[Erich Keane via cfe-commits]

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@@ -518,6 +518,164 @@ class CIRLoopOpInterfaceFlattening
                                                exit);
   }
 
+  // Return the cleanup-kind attribute or a null attribute if the loop has no
+  // cleanups.
+  static cir::CleanupKindAttr getLoopCleanupKind(cir::LoopOpInterface op) {
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erichkeane wrote:

Hmm... ok, I am willing to 'punt' on the request for a 'fixme' (and just return a null attribute) until I see the future patches.  So lgtm.

https://github.com/llvm/llvm-project/pull/210472