[clang] [llvm] Vectorize: Support fminimumnum and fmaximumnum (PR #131781)

[Matt Arsenault via llvm-commits]

================
@@ -0,0 +1,407 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
----------------
arsenm wrote:

Should not be testing the vectorizer in clang. This needs a pure IR test in the backend 

https://github.com/llvm/llvm-project/pull/131781