1; RUN: llc < %s -march=x86-64
2; PR6086
3define fastcc void @prepOutput() nounwind {
4bb:                                               ; preds = %output.exit
5  br label %bb.i1
6
7bb.i1:                                            ; preds = %bb7.i, %bb
8  br i1 undef, label %bb7.i, label %bb.nph.i
9
10bb.nph.i:                                         ; preds = %bb.i1
11  br label %bb3.i
12
13bb3.i:                                            ; preds = %bb5.i6, %bb.nph.i
14  %tmp10.i = trunc i64 undef to i32               ; <i32> [#uses=1]
15  br i1 undef, label %bb4.i, label %bb5.i6
16
17bb4.i:                                            ; preds = %bb3.i
18  br label %bb5.i6
19
20bb5.i6:                                           ; preds = %bb4.i, %bb3.i
21  %0 = phi i32 [ undef, %bb4.i ], [ undef, %bb3.i ] ; <i32> [#uses=1]
22  %1 = icmp slt i32 %0, %tmp10.i                  ; <i1> [#uses=1]
23  br i1 %1, label %bb7.i, label %bb3.i
24
25bb7.i:                                            ; preds = %bb5.i6, %bb.i1
26  br label %bb.i1
27}
28