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1; RUN: opt -indvars -S %s | FileCheck %s
2
3%struct.A = type { i8 }
4
5@c = global %struct.A* null
6@d = global i32 4
7
8define void @_Z3fn1v() {
9  %x2 = load i32, i32* @d
10  %x3 = icmp slt i32 %x2, 1
11  %x4 = select i1 %x3, i32 1, i32 %x2
12  %x5 = load %struct.A*, %struct.A** @c
13  %j.sroa.0.0..sroa_idx = getelementptr %struct.A, %struct.A* %x5, i64 0, i32 0
14  %j.sroa.0.0.copyload = load i8, i8* %j.sroa.0.0..sroa_idx
15  br label %.preheader4.lr.ph
16
17.preheader4.lr.ph:                                ; preds = %0
18  ; CHECK-NOT: add i64 {{.*}}, 4294967296
19  br label %.preheader4
20
21.preheader4:                                      ; preds = %x22, %.preheader4.lr.ph
22  %k.09 = phi i8* [ undef, %.preheader4.lr.ph ], [ %x25, %x22 ]
23  %x8 = icmp ult i32 0, 4
24  br i1 %x8, label %.preheader.lr.ph, label %x22
25
26.preheader.lr.ph:                                 ; preds = %.preheader4
27  br label %.preheader
28
29.preheader:                                       ; preds = %x17, %.preheader.lr.ph
30  %k.17 = phi i8* [ %k.09, %.preheader.lr.ph ], [ %x19, %x17 ]
31  %v.06 = phi i32 [ 0, %.preheader.lr.ph ], [ %x20, %x17 ]
32  br label %x17
33
34x17:                                              ; preds = %.preheader
35  %x18 = sext i8 %j.sroa.0.0.copyload to i64
36  %x19 = getelementptr i8, i8* %k.17, i64 %x18
37  %x20 = add i32 %v.06, 1
38  %x21 = icmp ult i32 %x20, %x4
39  br i1 %x21, label %.preheader, label %._crit_edge.8
40
41._crit_edge.8:                                    ; preds = %x17
42  %split = phi i8* [ %x19, %x17 ]
43  br label %x22
44
45x22:                                              ; preds = %._crit_edge.8, %.preheader4
46  %k.1.lcssa = phi i8* [ %split, %._crit_edge.8 ], [ %k.09, %.preheader4 ]
47  %x25 = getelementptr i8, i8* %k.1.lcssa
48  br label %.preheader4
49}
50