1; RUN: opt < %s -loop-reduce -S | grep phi | count 2
2; PR 2779
3@g_19 = common global i32 0		; <i32*> [#uses=3]
4@"\01LC" = internal constant [4 x i8] c"%d\0A\00"		; <[4 x i8]*> [#uses=1]
5
6define i32 @func_8(i8 zeroext %p_9) nounwind {
7entry:
8	ret i32 1
9}
10
11define i32 @func_3(i8 signext %p_5) nounwind {
12entry:
13	ret i32 1
14}
15
16define void @func_1() nounwind {
17entry:
18	br label %bb
19
20bb:		; preds = %bb, %entry
21	%indvar = phi i16 [ 0, %entry ], [ %indvar.next, %bb ]		; <i16> [#uses=2]
22	%tmp = sub i16 0, %indvar		; <i16> [#uses=1]
23	%tmp27 = trunc i16 %tmp to i8		; <i8> [#uses=1]
24	load i32* @g_19, align 4		; <i32>:0 [#uses=2]
25	add i32 %0, 1		; <i32>:1 [#uses=1]
26	store i32 %1, i32* @g_19, align 4
27	trunc i32 %0 to i8		; <i8>:2 [#uses=1]
28	tail call i32 @func_8( i8 zeroext %2 ) nounwind		; <i32>:3 [#uses=0]
29	shl i8 %tmp27, 2		; <i8>:4 [#uses=1]
30	add i8 %4, -112		; <i8>:5 [#uses=1]
31	tail call i32 @func_3( i8 signext %5 ) nounwind		; <i32>:6 [#uses=0]
32	%indvar.next = add i16 %indvar, 1		; <i16> [#uses=2]
33	%exitcond = icmp eq i16 %indvar.next, -28		; <i1> [#uses=1]
34	br i1 %exitcond, label %return, label %bb
35
36return:		; preds = %bb
37	ret void
38}
39
40define i32 @main() nounwind {
41entry:
42	tail call void @func_1( ) nounwind
43	load i32* @g_19, align 4		; <i32>:0 [#uses=1]
44	tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @"\01LC", i32 0, i32 0), i32 %0 ) nounwind		; <i32>:1 [#uses=0]
45	ret i32 0
46}
47
48declare i32 @printf(i8*, ...) nounwind
49