[llvm] [llvm-reduce]: print short form, actionable names in the log (PR #133561)

[Matt Arsenault via llvm-commits]

================
@@ -14,20 +14,19 @@
 #include "ReduceGlobalVarInitializers.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/GlobalValue.h"
+#include "llvm/IR/Value.h"
+#include "llvm/Transforms/Utils/Cloning.h"
 
 using namespace llvm;
 
 /// Removes all the Initialized GVs that aren't inside the desired Chunks.
-static void extractGVsFromModule(Oracle &O, ReducerWorkItem &WorkItem) {
+void llvm::reduceGlobalsInitializersDeltaPass(Oracle &O,
+                                              ReducerWorkItem &WorkItem) {
   // Drop initializers of out-of-chunk GVs
   for (auto &GV : WorkItem.getModule().globals())
     if (GV.hasInitializer() && !O.shouldKeep()) {
       GV.setInitializer(nullptr);
       GV.setLinkage(GlobalValue::LinkageTypes::ExternalLinkage);
       GV.setComdat(nullptr);
     }
-}
-
-void llvm::reduceGlobalsInitializersDeltaPass(TestRunner &Test) {
-  runDeltaPass(Test, extractGVsFromModule, "Reducing GV Initializers");
-}
+}
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arsenm wrote:

```suggestion
}

```

https://github.com/llvm/llvm-project/pull/133561