; RUN: llc < %s -march=bfin -verify-machineinstrs ; When joining live intervals of sub-registers, an MBB live-in list is not ; updated properly. The register scavenger asserts on an undefined register. define i32 @foo(i8 %bar) { entry: switch i8 %bar, label %bb1203 [ i8 117, label %bb1204 i8 85, label %bb1204 i8 106, label %bb1204 ] bb1203: ; preds = %entry ret i32 1 bb1204: ; preds = %entry, %entry, %entry ret i32 2 }