xref: /llvm-project/llvm/test/Transforms/GlobalOpt/crash.ll (revision d586bd5ca231a6022f439d4c6e43cfeeb53eb1d6)
1; RUN: opt -passes=globalopt -disable-output < %s
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-f80:128:128-n8:16:32"
3target triple = "i386-apple-darwin9.8"
4
5%0 = type { i32, ptr, ptr }
6%struct.btSimdScalar = type { %"union.btSimdScalar::$_14" }
7%"union.btSimdScalar::$_14" = type { <4 x float> }
8
9@_ZL6vTwist =  global %struct.btSimdScalar zeroinitializer ; <ptr> [#uses=1]
10@llvm.global_ctors = appending global [1 x %0] [%0 { i32 65535, ptr @_GLOBAL__I__ZN21btConeTwistConstraintC2Ev, ptr null }] ; <ptr> [#uses=0]
11
12define internal void @_GLOBAL__I__ZN21btConeTwistConstraintC2Ev() nounwind section "__TEXT,__StaticInit,regular,pure_instructions" {
13entry:
14  store float 1.0, ptr getelementptr inbounds (%struct.btSimdScalar, ptr @_ZL6vTwist, i32 0, i32 0, i32 0, i32 3), align 4
15  ret void
16}
17
18
19; PR6760
20%T = type { [5 x i32] }
21
22@switch_inf = internal global ptr null
23
24define void @test(ptr %arch_file, i32 %route_type) {
25entry:
26  %A = sext i32 1 to i64
27  %B = mul i64 %A, 20
28  %C = call noalias ptr @malloc(i64 %B) nounwind
29  store ptr %C, ptr @switch_inf, align 8
30  unreachable
31
32bb.nph.i:
33  %scevgep.i539 = getelementptr i8, ptr %C, i64 4
34  unreachable
35
36xx:
37  %E = load ptr, ptr @switch_inf, align 8
38  unreachable
39}
40
41declare noalias ptr @malloc(i64) nounwind
42
43
44; PR8063
45@permute_bitrev.bitrev = internal global ptr null, align 8
46define void @permute_bitrev() nounwind {
47entry:
48  %tmp = load ptr, ptr @permute_bitrev.bitrev, align 8
49  %conv = sext i32 0 to i64
50  %mul = mul i64 %conv, 4
51  %call = call ptr @malloc(i64 %mul)
52  store ptr %call, ptr @permute_bitrev.bitrev, align 8
53  ret void
54}
55
56
57
58
59@data8 = internal global [8000 x i8] zeroinitializer, align 16
60define void @memset_with_strange_user() ssp {
61  call void @llvm.memset.p0.i64(ptr align 16 @data8, i8 undef, i64 ptrtoint (ptr getelementptr ([8000 x i8], ptr @data8, i64 1, i64 sub (i64 0, i64 ptrtoint (ptr @data8 to i64))) to i64), i1 false)
62  ret void
63}
64declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) nounwind
65
66
67; PR9856
68@g_52 = internal global ptr null, align 8
69@g_90 = external global ptr, align 8
70
71define void @icmp_user_of_stored_once() nounwind ssp {
72entry:
73  %tmp4 = load ptr, ptr @g_52, align 8
74  store ptr @g_90, ptr @g_52
75  %cmp17 = icmp ne ptr undef, @g_52
76  ret void
77}
78
79