llvm-project

30f44c96 - [VPlan] Set values for non-header phis at construction. (NFC)

[VPlan] Set values for non-header phis at construction. (NFC) Update HCFG builder to set the incoming values directly at construction for non-header phis. Simplification/clarification as suggested independently in https://github.com/llvm/llvm-project/pull/126388.