llvm-project

2c7d40b2 - [VPlan] Generalize SCALAR-STEPS removal to any unroll factor.

[VPlan] Generalize SCALAR-STEPS removal to any unroll factor. Follow-up to dfca6c0d3bf9d1a056 to extend isUnrolled handle any unrolled VPlan, which means there's a single UF, but it will be > 1 if unrolling took place.