[llvm] [llvm][transforms] Add a new algorithm to SplitModule (PR #95941)

[Mehdi Amini via llvm-commits]

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@@ -35,7 +35,7 @@ class Module;
 void SplitModule(
     Module &M, unsigned N,
     function_ref<void(std::unique_ptr<Module> MPart)> ModuleCallback,
-    bool PreserveLocals = false);
+    bool PreserveLocals = false, bool TryToAvoidEmptyModules = false);
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joker-eph wrote:

Can you document this flag? (if you can also document the PreserveLocals while we're here?)

https://github.com/llvm/llvm-project/pull/95941