[llvm] [LoopVectorize] Support vectorization of overflow intrinsics (PR #174835)

[Benjamin Maxwell via llvm-commits]

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@@ -1,4 +1,4 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --filter "(:|sincos|frexp|modf|extract|store)" --version 5
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --filter "(:|sincos|frexp|modf|extract|store|uadd|sadd|usub|ssub|umul|smul)" --version 5
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MacDue wrote:

nit: Match `with\.overflow` (since it's the overflow intrinsics we care about)
```suggestion
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --filter "(:|sincos|frexp|modf|extract|store|with\.overflow" --version 5
```

https://github.com/llvm/llvm-project/pull/174835