[llvm] [NFC][LoopVectorize] Add more simple early exit tests (PR #112529)

[Florian Hahn via llvm-commits]

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@@ -918,6 +917,189 @@ loop.end:
 }
 
 
+define i64 @multiple_exiting_one_early_same_exit_phi_of_consts() {
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fhahn wrote:

This file is getting a bit big , perhaps worth splitting it up into multiple files if possible?

https://github.com/llvm/llvm-project/pull/112529