[llvm] [NFC][LoopFlatten] Lift loop versioning to function (PR #166156)

[Nashe Mncube via llvm-commits]

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@@ -102,6 +102,10 @@ static cl::opt<bool>
     VersionLoops("loop-flatten-version-loops", cl::Hidden, cl::init(true),
                  cl::desc("Version loops if flattened loop could overflow"));
 
+static cl::opt<bool> VersionLoopsOverWiden(
+    "loop-flatten-version-over-widen", cl::Hidden, cl::init(false),
+    cl::desc("Version loops and generate runtime checks over widening the IV"));
+
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nasherm wrote:

Yes you're right. Setting ```loop-flatten-widen-iv=false``` does achieve the same result. This makes the patch just a simple refactor. Thanks for pointing this out :smile: 

https://github.com/llvm/llvm-project/pull/166156