[llvm] [X86] Combine `uitofp <v x i32> to <v x half>` (PR #121809)

[Phoebe Wang via llvm-commits]

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@@ -0,0 +1,404 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc < %s -mtriple=x86_64-- -mcpu=corei7-avx | FileCheck %s
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phoebewang wrote:

But the codegen doesn't look correct me either: https://godbolt.org/z/ovo5Yzhev

https://github.com/llvm/llvm-project/pull/121809