* Encode vselect using BLEND instructions on x86 * Legalize vselect to bitselect * Optimize bitselect to vselect for some operands * Add run tests for bitselect-vselect optimization * Address review feedback
* Encode vselect using BLEND instructions on x86 * Legalize vselect to bitselect * Optimize bitselect to vselect for some operands * Add run tests for bitselect-vselect optimization * Address review feedback