1; RUN: opt < %s -indvars -S > %t
2; RUN: not grep sext %t
3; RUN: grep phi %t | count 1
4
5define void @foo(i64* nocapture %x, i32 %n) nounwind {
6entry:
7	%tmp102 = icmp sgt i32 %n, 0		; <i1> [#uses=1]
8	br i1 %tmp102, label %bb.nph, label %return
9
10bb.nph:		; preds = %entry
11	br label %bb
12
13bb:		; preds = %bb7, %bb.nph
14	%i.01 = phi i32 [ %tmp6, %bb7 ], [ 0, %bb.nph ]		; <i32> [#uses=3]
15	%tmp1 = sext i32 %i.01 to i64		; <i64> [#uses=1]
16	%tmp4 = getelementptr i64* %x, i32 %i.01		; <i64*> [#uses=1]
17	store i64 %tmp1, i64* %tmp4, align 8
18	%tmp6 = add i32 %i.01, 1		; <i32> [#uses=2]
19	br label %bb7
20
21bb7:		; preds = %bb
22	%tmp10 = icmp slt i32 %tmp6, %n		; <i1> [#uses=1]
23	br i1 %tmp10, label %bb, label %bb7.return_crit_edge
24
25bb7.return_crit_edge:		; preds = %bb7
26	br label %return
27
28return:		; preds = %bb7.return_crit_edge, %entry
29	ret void
30}
31