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1; PR1015
2; RUN: opt < %s -indvars -S | FileCheck %s
3
4target datalayout = "e-p:32:32"
5target triple = "i686-apple-darwin8"
6@foo = internal constant [5 x i8] c"\00abc\00"		; <[5 x i8]*> [#uses=1]
7@str = internal constant [4 x i8] c"%d\0A\00"		; <[4 x i8]*> [#uses=1]
8
9
10define i32 @test(i32 %J) {
11; CHECK-LABEL: @test(
12; CHECK-NOT: ret i32 0
13entry:
14	br label %bb2
15
16bb:		; preds = %cond_next, %cond_true
17	%tmp1 = add i32 %i.0, 1		; <i32> [#uses=1]
18	br label %bb2
19
20bb2:		; preds = %bb, %entry
21	%i.0 = phi i32 [ 0, %entry ], [ %tmp1, %bb ]		; <i32> [#uses=4]
22	%tmp = icmp eq i32 %i.0, 0		; <i1> [#uses=1]
23	br i1 %tmp, label %cond_true, label %cond_next
24
25cond_true:		; preds = %bb2
26	br label %bb
27
28cond_next:		; preds = %bb2
29	%tmp2 = getelementptr [5 x i8], [5 x i8]* @foo, i32 0, i32 %i.0		; <i8*> [#uses=1]
30	%tmp3 = load i8, i8* %tmp2		; <i8> [#uses=1]
31	%tmp5 = icmp eq i8 %tmp3, 0		; <i1> [#uses=1]
32	br i1 %tmp5, label %bb6, label %bb
33
34bb6:		; preds = %cond_next
35	br label %return
36
37return:		; preds = %bb6
38	ret i32 %i.0
39}
40
41