[llvm] [Utils] Extract CollectDebugInfoForCloning from CloneFunctionInto (PR #114537)

[Artem Pianykh via llvm-commits]

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@@ -207,6 +207,20 @@ void CloneAndPruneFunctionInto(Function *NewFunc, const Function *OldFunc,
                                const char *NameSuffix = "",
                                ClonedCodeInfo *CodeInfo = nullptr);
 
+/// Collect debug information such as types, compile units, and other
+/// subprograms that are reachable from \p F and can be considered global for
+/// the purposes of cloning (and hence not needing to be cloned).
+///
+/// The latter depends on \p Changes: when cloning into the same module we
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artempyanykh wrote:

Good point @felipepiovezan! I'll fix that.

https://github.com/llvm/llvm-project/pull/114537