xref: /llvm-project/llvm/test/Transforms/InstCombine/div-shift-crash.ll (revision 4ab40eca080965c65802710e39adbb78c4ce7bde)
1; RUN: opt -passes=instcombine < %s
2target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64"
3target triple = "powerpc64-unknown-linux-gnu"
4
5%struct.S0.0.1.2.3.4.13.22.31.44.48.53.54.55.56.58.59.60.66.68.70.74.77.106.107.108.109.110.113.117.118.128.129 = type <{ i64 }>
6
7define void @main(i1 %c1, i1 %c2, i1 %c3, i1 %c4, i1 %c5, i1 %c6, i1 %c7, i1 %c8, i1 %c9, i1 %c10) {
8entry:
9  %l_819.i.i = alloca %struct.S0.0.1.2.3.4.13.22.31.44.48.53.54.55.56.58.59.60.66.68.70.74.77.106.107.108.109.110.113.117.118.128.129, align 8
10  br i1 %c1, label %land.lhs.true, label %for.cond.i
11
12land.lhs.true:                                    ; preds = %entry
13  br label %for.cond.i
14
15for.cond.i:                                       ; preds = %land.lhs.true, %entry
16  br label %for.cond.i6.i.i
17
18for.cond.i6.i.i:                                  ; preds = %for.body.i8.i.i, %for.cond.i
19  br i1 %c2, label %for.body.i8.i.i, label %lbl_707.i.i.i
20
21for.body.i8.i.i:                                  ; preds = %for.cond.i6.i.i
22  br label %for.cond.i6.i.i
23
24lbl_707.i.i.i:                                    ; preds = %for.cond.i6.i.i
25  br i1 %c3, label %lor.rhs.i.i.i, label %lor.end.i.i.i
26
27lor.rhs.i.i.i:                                    ; preds = %lbl_707.i.i.i
28  br label %lor.end.i.i.i
29
30lor.end.i.i.i:                                    ; preds = %lor.rhs.i.i.i, %lbl_707.i.i.i
31  br label %for.cond1.i.i.i.i
32
33for.cond1.i.i.i.i:                                ; preds = %for.body4.i.i.i.i, %lor.end.i.i.i
34  br i1 %c4, label %for.body4.i.i.i.i, label %func_39.exit.i.i
35
36for.body4.i.i.i.i:                                ; preds = %for.cond1.i.i.i.i
37  br label %for.cond1.i.i.i.i
38
39func_39.exit.i.i:                                 ; preds = %for.cond1.i.i.i.i
40  %l_8191.sroa.0.0.copyload.i.i = load i64, ptr %l_819.i.i, align 1
41  br label %for.cond1.i.i.i
42
43for.cond1.i.i.i:                                  ; preds = %safe_div_func_uint32_t_u_u.exit.i.i.i, %func_39.exit.i.i
44  br i1 %c5, label %for.cond7.i.i.i, label %func_11.exit.i
45
46for.cond7.i.i.i:                                  ; preds = %for.end30.i.i.i, %for.cond1.i.i.i
47  %storemerge.i.i.i = phi i32 [ %sub.i.i.i, %for.end30.i.i.i ], [ 4, %for.cond1.i.i.i ]
48  br i1 %c6, label %for.cond22.i.i.i, label %for.end32.i.i.i
49
50for.cond22.i.i.i:                                 ; preds = %for.body25.i.i.i, %for.cond7.i.i.i
51  br i1 %c7, label %for.body25.i.i.i, label %for.end30.i.i.i
52
53for.body25.i.i.i:                                 ; preds = %for.cond22.i.i.i
54  br label %for.cond22.i.i.i
55
56for.end30.i.i.i:                                  ; preds = %for.cond22.i.i.i
57  %sub.i.i.i = add nsw i32 0, -1
58  br label %for.cond7.i.i.i
59
60for.end32.i.i.i:                                  ; preds = %for.cond7.i.i.i
61  %conv33.i.i.i = trunc i64 %l_8191.sroa.0.0.copyload.i.i to i32
62  %xor.i.i.i.i = xor i32 %storemerge.i.i.i, -701565022
63  %sub.i.i.i.i = sub nsw i32 0, %storemerge.i.i.i
64  %xor3.i.i.i.i = xor i32 %sub.i.i.i.i, %storemerge.i.i.i
65  %and4.i.i.i.i = and i32 %xor.i.i.i.i, %xor3.i.i.i.i
66  %cmp.i.i.i.i = icmp slt i32 %and4.i.i.i.i, 0
67  %sub5.i.i.i.i = sub nsw i32 -701565022, %storemerge.i.i.i
68  %.sub5.i.i.i.i = select i1 %cmp.i.i.i.i, i32 -701565022, i32 %sub5.i.i.i.i
69  br i1 %c8, label %safe_div_func_uint32_t_u_u.exit.i.i.i, label %cond.false.i.i.i.i
70
71cond.false.i.i.i.i:                               ; preds = %for.end32.i.i.i
72  %div.i.i.i.i = udiv i32 %conv33.i.i.i, %.sub5.i.i.i.i
73  br label %safe_div_func_uint32_t_u_u.exit.i.i.i
74
75safe_div_func_uint32_t_u_u.exit.i.i.i:            ; preds = %cond.false.i.i.i.i, %for.end32.i.i.i
76  %cond.i.i.i.i = phi i32 [ %div.i.i.i.i, %cond.false.i.i.i.i ], [ %conv33.i.i.i, %for.end32.i.i.i ]
77  %cmp35.i.i.i = icmp ne i32 %cond.i.i.i.i, -7
78  br label %for.cond1.i.i.i
79
80func_11.exit.i:                                   ; preds = %for.cond1.i.i.i
81  br i1 %c9, label %for.body, label %for.end
82
83for.body:                                         ; preds = %func_11.exit.i
84  unreachable
85
86for.end:                                          ; preds = %func_11.exit.i
87  br label %for.cond15
88
89for.cond15:                                       ; preds = %for.cond19, %for.end
90  br i1 %c10, label %for.cond19, label %for.end45
91
92for.cond19:                                       ; preds = %for.cond15
93  br label %for.cond15
94
95for.end45:                                        ; preds = %for.cond15
96  unreachable
97}
98