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

[Guray Ozen via llvm-commits]

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@@ -53,6 +53,12 @@ static cl::opt<bool>
                    cl::desc("Split without externalizing locals"),
                    cl::cat(SplitCategory));
 
+static cl::opt<bool>
+    TryToAvoidEmptyModules("avoid-empty-modules", cl::Prefix, cl::init(false),
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grypp wrote:

I am wondering can we make this option default? We could still introduce a flag that opt-outs?

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