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1; RUN: opt < %s -analyze -basicaa -da
2
3; Test that the dependence analysis pass does seg-fault due to a null pointer
4; dereference. The code in gcdMIVTest requires a null check for the result of
5; getConstantPart.
6
7target datalayout = "e-m:e-p:32:32-i1:32-i64:64-a:0-v32:32-n16:32"
8
9%0 = type { i32 }
10%1 = type { [2 x [512 x %0]], [512 x %0], %2, [144 x i8], %9, %10, %11, %12, %17, [12 x i8], %18, %19, %21, [128 x i8] }
11%2 = type { [64 x i16], [64 x i16], [64 x %0], [64 x %0], [128 x %0], [128 x %0], [256 x %0], [256 x %0], [32 x %0], [32 x %0], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], %3, %4, %5, [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], %6, %7, [32 x i32], [32 x i32], [32 x i32], [64 x i16], %8, [8 x i64], [4 x i64], [2 x i64], [256 x i8], [256 x i32], [64 x i16], [64 x i16] }
12%3 = type { [64 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [64 x i32], [64 x i32], [64 x i32], [64 x i32], [64 x i32], [64 x i32], [64 x i32], [64 x i32], [64 x i32], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [32 x %0], [32 x %0], [128 x i8] }
13%4 = type { [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16] }
14%5 = type { [128 x i8], [256 x i8], [256 x i8] }
15%6 = type { [64 x i32], [128 x i16], [64 x i16], [64 x i16], [64 x i16] }
16%7 = type { [192 x %0], [192 x %0], [384 x %0], [1984 x %0] }
17%8 = type { [128 x i8], [128 x i8], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16], [64 x i16] }
18%9 = type { [32 x %0], [32 x %0], [64 x i32], [64 x i32], [64 x i32], [64 x i32] }
19%10 = type { [1536 x %0], [2048 x %0], [512 x i32], [256 x i32], [32 x %0], [64 x i32], [128 x i8], [512 x i32], [1024 x %0] }
20%11 = type { [512 x i32], [512 x i32], [1024 x %0], [512 x i32], [512 x %0] }
21%12 = type { %13, [2048 x %0], [2048 x %0], [256 x i32], [1024 x i32], %14, [512 x %0], [256 x i32], %15, [4 x [256 x %0]], [4 x [256 x %0]], [256 x i32], [8 x [32 x i32]], [8 x [32 x %0]], [384 x %0], [256 x i32], %16 }
22%13 = type { [2048 x %0] }
23%14 = type { [1024 x %0], [1024 x %0] }
24%15 = type { [256 x %0], [256 x %0] }
25%16 = type { [128 x %0], [128 x %0] }
26%17 = type { [32 x %0], [32 x i32], [32 x i32], [32 x i32], [32 x i32], [2 x [8 x [32 x %0]]], [512 x %0], [512 x %0], [58 x i16] }
27%18 = type { [512 x i8] }
28%19 = type { [2048 x %0], [2560 x i16], %20, [512 x i32], [256 x i32], [512 x i8] }
29%20 = type { [768 x i32] }
30%21 = type { [416 x i32] }
31
32define void @test(%1* %A) #0 align 2 {
33entry:
34  %v1 = load i32, i32* undef, align 4
35  br label %bb13
36
37bb13:
38  %v2 = phi i32 [ undef, %entry ], [ %v39, %bb38 ]
39  br i1 undef, label %bb15, label %bb38
40
41bb15:
42  %v3 = mul nsw i32 %v2, undef
43  br label %bb17
44
45bb17:
46  br i1 undef, label %bb21, label %bb37
47
48bb21:
49  %v22 = add nsw i32 undef, 1
50  %v23 = add i32 %v22, %v3
51  %v24 = mul nsw i32 %v23, %v1
52  %v25 = getelementptr inbounds %1, %1* %A, i32 0, i32 7, i32 1, i32 %v24
53  %v26 = bitcast %0* %v25 to <32 x i32>*
54  %v27 = load <32 x i32>, <32 x i32>* %v26, align 256
55  %v28 = add i32 undef, %v3
56  %v29 = mul nsw i32 %v28, 32
57  %v30 = getelementptr inbounds %1, %1* %A, i32 0, i32 7, i32 14, i32 %v29
58  %v31 = bitcast %0* %v30 to <32 x i32>*
59  %v32 = load <32 x i32>, <32 x i32>* %v31, align 128
60  br i1 undef, label %bb21, label %bb37
61
62bb37:
63  br i1 undef, label %bb17, label %bb38
64
65bb38:
66  %v39 = add nsw i32 %v2, 1
67  br label %bb13
68
69bb40:
70  ret void
71}
72
73attributes #0 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
74