[llvm] [SDAG[[X86] Added method to scalarize `STRICT_FSETCC` (PR #154486)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,1298 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s
+
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arsenm wrote:

Maybe test the raw 1 x vector case that this directly handles 

https://github.com/llvm/llvm-project/pull/154486