llvm-project

139bcda5 - [X86] SimplifyDemandedVectorEltsForTargetNode - add basic CVTPH2PS/CVTPS2PH handling

[X86] SimplifyDemandedVectorEltsForTargetNode - add basic CVTPH2PS/CVTPS2PH handling Allows us to peek through the F16 conversion nodes, mainly to simplify shuffles An easy part of #83414