1; RUN: opt -jump-threading -disable-output %s 2; PR9112 3 4; This is actually a test for value tracking. Jump threading produces 5; "%phi = phi i16" when it removes all edges leading to %unreachable. 6; The .ll parser won't let us write that directly since it's invalid code. 7 8define void @func() nounwind { 9entry: 10 br label %bb 11 12bb: 13 br label %bb 14 15unreachable: 16 %phi = phi i16 [ %add, %unreachable ], [ 0, %next ] 17 %add = add i16 0, %phi 18 %cmp = icmp slt i16 %phi, 0 19 br i1 %cmp, label %unreachable, label %next 20 21next: 22 br label %unreachable 23} 24 25