[llvm-branch-commits] [llvm] release/18.x: [X86][EVEX512] Check hasEVEX512 for canExtendTo512DQ (#90390) (PR #90422)

[Tom Stellard via llvm-branch-commits]

tstellar wrote:

Hi @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.

https://github.com/llvm/llvm-project/pull/90422