[llvm] [SCEV] Collect and merge loop guards through PHI nodes with multiple incoming values (PR #113915)

[Florian Hahn via llvm-commits]

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@@ -211,3 +211,217 @@ for.body:
 exit:
   ret void
 }
+
+define void @epilogue(i64 %count) {
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fhahn wrote:

It would probably make sense to move the tests to a separate file, perhaps `max-backedge-taken-count-guard-info-with-multiple-predecessors.ll`

https://github.com/llvm/llvm-project/pull/113915