llvm-project

b0bc4674 - [X86] Fix bad instregex in VPMOVSX/ZX znver4 512-bit patterns.

[X86] Fix bad instregex in VPMOVSX/ZX znver4 512-bit patterns. The Z size was optional, meaning it matched with the 128-bit SSE instructions as well. Noticed while triaging the strange perf numbers on #110308