[llvm-branch-commits] [llvm] release/18.x: [X86][FP16] Do not create VBROADCAST_LOAD for f16 without AVX2 (#91125) (PR #91425)

[Phoebe Wang via llvm-branch-commits]

phoebewang wrote:

> @phoebewang (or anyone else). If you would like to add a note about this fix in the release notes (completely optional). Please reply to this comment with a one or two sentence description of the fix. When you are done, please add the release:note label to this PR.

This patch fixes a bug that tries to do VBROADCAST_LOAD for f16 without AVX2.

https://github.com/llvm/llvm-project/pull/91425