| ; RUN: opt < %s -analyze -scalar-evolution | |
| ; PR2602 | |
| define i32 @a() nounwind { | |
| entry: | |
| br label %bb | |
| bb: ; preds = %bb, %entry | |
| %w.0 = phi i32 [ 0, %entry ], [ %tmp, %bb ] ; <i32> [#uses=2] | |
| %e.0 = phi i32 [ 0, %entry ], [ %e.1, %bb ] ; <i32> [#uses=2] | |
| %w.1 = add i32 0, %w.0 ; <i32>:0 [#uses=1] | |
| %tmp = add i32 %e.0, %w.0 ; <i32>:1 [#uses=1] | |
| %e.1 = add i32 %e.0, 1 ; <i32>:2 [#uses=1] | |
| %cond = icmp eq i32 %w.1, -1 ; <i1>:3 [#uses=1] | |
| br i1 %cond, label %return, label %bb | |
| return: ; preds = %bb | |
| ret i32 undef | |
| } |