1; RUN: opt < %s -analyze -scalar-evolution \
2; RUN:  | FileCheck %s
3; PR4569
4
5define i16 @main() nounwind {
6entry:
7        br label %bb.i
8
9bb.i:           ; preds = %bb1.i, %bb.nph
10        %l_95.0.i1 = phi i8 [ %tmp1, %bb.i ], [ 0, %entry ]
11
12; This cast shouldn't be folded into the addrec.
13; CHECK: %tmp = zext i8 %l_95.0.i1 to i16
14; CHECK: -->  (zext i8 {0,+,-1}<%bb.i> to i16)    Exits: 2
15
16        %tmp = zext i8 %l_95.0.i1 to i16
17
18        %tmp1 = add i8 %l_95.0.i1, -1
19        %phitmp = icmp eq i8 %tmp1, 1
20        br i1 %phitmp, label %bb1.i.func_36.exit_crit_edge, label %bb.i
21
22bb1.i.func_36.exit_crit_edge:
23        ret i16 %tmp
24}
25