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1; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution | FileCheck %s
2; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
3; PR3275
4
5; CHECK: Printing analysis 'Scalar Evolution Analysis' for function 'func_15'
6; CHECK-NOT: /u -1
7
8@g_16 = external global i16		; <i16*> [#uses=3]
9@.str = external constant [4 x i8]		; <[4 x i8]*> [#uses=0]
10
11define void @func_15() nounwind {
12entry:
13	%0 = load i16, i16* @g_16, align 2		; <i16> [#uses=1]
14	%1 = icmp sgt i16 %0, 0		; <i1> [#uses=1]
15	br i1 %1, label %bb2, label %bb.nph
16
17bb.nph:		; preds = %entry
18	%g_16.promoted = load i16, i16* @g_16		; <i16> [#uses=1]
19	br label %bb
20
21bb:		; preds = %bb1, %bb.nph
22	%g_16.tmp.0 = phi i16 [ %g_16.promoted, %bb.nph ], [ %2, %bb1 ]		; <i16> [#uses=1]
23	%2 = add i16 %g_16.tmp.0, -1		; <i16> [#uses=3]
24	br label %bb1
25
26bb1:		; preds = %bb
27	%3 = icmp sgt i16 %2, 0		; <i1> [#uses=1]
28	br i1 %3, label %bb1.bb2_crit_edge, label %bb
29
30bb1.bb2_crit_edge:		; preds = %bb1
31	store i16 %2, i16* @g_16
32	br label %bb2
33
34bb2:		; preds = %bb1.bb2_crit_edge, %entry
35	br label %return
36
37return:		; preds = %bb2
38	ret void
39}
40
41declare i32 @main() nounwind
42
43declare i32 @printf(i8*, ...) nounwind
44
45