[llvm] [ElimAvailExtern] Add an option to allow to convert global variables in a specified address space to local (PR #144287)

[Mircea Trofin via llvm-commits]

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@@ -35,8 +35,14 @@ static cl::opt<bool> ConvertToLocal(
     cl::desc("Convert available_externally into locals, renaming them "
              "to avoid link-time clashes."));
 
+static cl::opt<unsigned> ConvertGlobalVariableInAddrSpace(
+    "avail-extern-gv-in-addrspace-to-local", cl::Hidden,
+    cl::desc(
+        "Convert available_externally global variables into locals if they are "
+        "in specificed addrspace, renaming them to avoid link-time clashes."));
+
 STATISTIC(NumRemovals, "Number of functions removed");
-STATISTIC(NumConversions, "Number of functions converted");
+STATISTIC(NumConversions, "Number of functions and globals converted");
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mtrofin wrote:

would it help if we split this statistic in `NumFunctionsConverted` and `NumGlobalVariablesConverted`?

https://github.com/llvm/llvm-project/pull/144287