1; RUN: opt < %s -analyze -scalar-evolution | FileCheck %s
2
3; CHECK: %tmp3 = sext i8 %tmp2 to i32
4; CHECK: -->  (sext i8 {0,+,1}<%bb1> to i32){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: -1
5; CHECK: %tmp4 = mul i32 %tmp3, %i.02
6; CHECK: -->  ((sext i8 {0,+,1}<%bb1> to i32) * {0,+,1}<%bb>){{ U: [^ ]+ S: [^ ]+}}{{ *}}Exits: {0,+,-1}<%bb>
7
8; These sexts are not foldable.
9
10target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64"
11
12@table = common global [32 x [256 x i32]] zeroinitializer, align 32		; <[32 x [256 x i32]]*> [#uses=2]
13
14define i32 @main() nounwind {
15entry:
16	br i1 false, label %bb5, label %bb.nph3
17
18bb.nph3:		; preds = %entry
19	br label %bb
20
21bb:		; preds = %bb4, %bb.nph3
22	%i.02 = phi i32 [ %tmp10, %bb4 ], [ 0, %bb.nph3 ]		; <i32> [#uses=3]
23	br i1 false, label %bb3, label %bb.nph
24
25bb.nph:		; preds = %bb
26	br label %bb1
27
28bb1:		; preds = %bb2, %bb.nph
29	%j.01 = phi i32 [ %tmp8, %bb2 ], [ 0, %bb.nph ]		; <i32> [#uses=3]
30	%tmp2 = trunc i32 %j.01 to i8		; <i8> [#uses=1]
31	%tmp3 = sext i8 %tmp2 to i32		; <i32> [#uses=1]
32	%tmp4 = mul i32 %tmp3, %i.02		; <i32> [#uses=1]
33	%tmp5 = sext i32 %i.02 to i64		; <i64> [#uses=1]
34	%tmp6 = sext i32 %j.01 to i64		; <i64> [#uses=1]
35	%tmp7 = getelementptr [32 x [256 x i32]], [32 x [256 x i32]]* @table, i64 0, i64 %tmp5, i64 %tmp6		; <i32*> [#uses=1]
36	store i32 %tmp4, i32* %tmp7, align 4
37	%tmp8 = add i32 %j.01, 1		; <i32> [#uses=2]
38	br label %bb2
39
40bb2:		; preds = %bb1
41	%phitmp1 = icmp sgt i32 %tmp8, 255		; <i1> [#uses=1]
42	br i1 %phitmp1, label %bb2.bb3_crit_edge, label %bb1
43
44bb2.bb3_crit_edge:		; preds = %bb2
45	br label %bb3
46
47bb3:		; preds = %bb2.bb3_crit_edge, %bb
48	%tmp10 = add i32 %i.02, 1		; <i32> [#uses=2]
49	br label %bb4
50
51bb4:		; preds = %bb3
52	%phitmp = icmp sgt i32 %tmp10, 31		; <i1> [#uses=1]
53	br i1 %phitmp, label %bb4.bb5_crit_edge, label %bb
54
55bb4.bb5_crit_edge:		; preds = %bb4
56	br label %bb5
57
58bb5:		; preds = %bb4.bb5_crit_edge, %entry
59	%tmp12 = load i32, i32* getelementptr ([32 x [256 x i32]], [32 x [256 x i32]]* @table, i64 0, i64 9, i64 132), align 16		; <i32> [#uses=1]
60	%tmp13 = icmp eq i32 %tmp12, -1116		; <i1> [#uses=1]
61	br i1 %tmp13, label %bb7, label %bb6
62
63bb6:		; preds = %bb5
64	call void @abort() noreturn nounwind
65	unreachable
66
67bb7:		; preds = %bb5
68	br label %return
69
70return:		; preds = %bb7
71	ret i32 0
72}
73
74declare void @abort() noreturn nounwind
75