1; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
2; PR4569
3
4define i16 @main() nounwind {
5entry:
6        br label %bb.i
7
8bb.i:           ; preds = %bb1.i, %bb.nph
9; We should be able to find the range for this expression.
10; CHECK: %l_95.0.i1 = phi i8
11; CHECK: -->  {0,+,-1}<%bb.i> U: [2,1) S: [2,1){{ *}}Exits: 2
12
13        %l_95.0.i1 = phi i8 [ %tmp1, %bb.i ], [ 0, %entry ]
14
15; This cast shouldn't be folded into the addrec.
16; CHECK: %tmp = zext i8 %l_95.0.i1 to i16
17; CHECK: -->  (zext i8 {0,+,-1}<nw><%bb.i> to i16){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: 2
18
19        %tmp = zext i8 %l_95.0.i1 to i16
20
21        %tmp1 = add i8 %l_95.0.i1, -1
22        %phitmp = icmp eq i8 %tmp1, 1
23        br i1 %phitmp, label %bb1.i.func_36.exit_crit_edge, label %bb.i
24
25bb1.i.func_36.exit_crit_edge:
26        ret i16 %tmp
27}
28