1; RUN: opt < %s -instcombine -disable-output
2target datalayout = "E-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f128:64:128"
3target triple = "powerpc-apple-darwin8"
4
5define i32 @test() {
6entry:
7	%tmp50.i17 = icmp slt i32 0, 4		; <i1> [#uses=1]
8	br i1 %tmp50.i17, label %bb.i, label %calculateColorSpecificBlackLevel.exit
9
10bb.i:		; preds = %entry
11	br label %bb51.i.i
12
13bb27.i.i:		; preds = %bb51.i.i
14	%tmp31.i.i = load i16, i16* null, align 2		; <i16> [#uses=2]
15	%tmp35.i.i = icmp ult i16 %tmp31.i.i, 1		; <i1> [#uses=1]
16	%tmp41.i.i = icmp ugt i16 %tmp31.i.i, -1		; <i1> [#uses=1]
17	%bothcond.i.i = or i1 %tmp35.i.i, %tmp41.i.i		; <i1> [#uses=1]
18	%bothcond1.i.i = zext i1 %bothcond.i.i to i32		; <i32> [#uses=1]
19	%tmp46.i.i = xor i32 %bothcond1.i.i, 1		; <i32> [#uses=1]
20	%count.0.i.i = add i32 %count.1.i.i, %tmp46.i.i		; <i32> [#uses=1]
21	%tmp50.i.i = add i32 %x.0.i.i, 2		; <i32> [#uses=1]
22	br label %bb51.i.i
23
24bb51.i.i:		; preds = %bb27.i.i, %bb.i
25	%count.1.i.i = phi i32 [ %count.0.i.i, %bb27.i.i ], [ 0, %bb.i ]		; <i32> [#uses=1]
26	%x.0.i.i = phi i32 [ %tmp50.i.i, %bb27.i.i ], [ 0, %bb.i ]		; <i32> [#uses=2]
27	%tmp54.i.i = icmp slt i32 %x.0.i.i, 0		; <i1> [#uses=1]
28	br i1 %tmp54.i.i, label %bb27.i.i, label %bb57.i.i
29
30bb57.i.i:		; preds = %bb51.i.i
31	ret i32 0
32
33calculateColorSpecificBlackLevel.exit:		; preds = %entry
34	ret i32 undef
35}
36