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1; RUN: opt < %s -globalopt -disable-output
2; PR820
3target datalayout = "e-p:32:32"
4target triple = "i686-pc-linux-gnu"
5	%struct..0FileDescriptor = type { i32 }
6	%"struct.FlagDescription<int32>" = type { i8*, i32*, i1, i1, i32, i8* }
7	%"struct.FlagRegisterer<bool>" = type { i8 }
8	%struct.MutexLock = type { %struct..0FileDescriptor* }
9	%"struct.std::DisabledRangeMap" = type { %"struct.std::_Rb_tree<const char*,std::pair<const char* const, FlagDescription<bool> >,std::_Select1st<std::pair<const char* const, FlagDescription<bool> > >,StringCmp,std::allocator<std::pair<const char* const, FlagDescription<bool> > > >" }
10	%"struct.std::_Rb_tree<const char*,std::pair<const char* const, FlagDescription<bool> >,std::_Select1st<std::pair<const char* const, FlagDescription<bool> > >,StringCmp,std::allocator<std::pair<const char* const, FlagDescription<bool> > > >" = type { %"struct.std::_Rb_tree<const char*,std::pair<const char* const, FlagDescription<bool> >,std::_Select1st<std::pair<const char* const, FlagDescription<bool> > >,StringCmp,std::allocator<std::pair<const char* const, FlagDescription<bool> > > >::_Rb_tree_impl<StringCmp,false>" }
11	%"struct.std::_Rb_tree<const char*,std::pair<const char* const, FlagDescription<bool> >,std::_Select1st<std::pair<const char* const, FlagDescription<bool> > >,StringCmp,std::allocator<std::pair<const char* const, FlagDescription<bool> > > >::_Rb_tree_impl<StringCmp,false>" = type { %"struct.FlagRegisterer<bool>", %"struct.std::_Rb_tree_node_base", i32 }
12	%"struct.std::_Rb_tree_const_iterator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >" = type { %"struct.std::_Rb_tree_node_base"* }
13	%"struct.std::_Rb_tree_node_base" = type { i32, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"*, %"struct.std::_Rb_tree_node_base"* }
14	%"struct.std::_Vector_base<int,std::allocator<int> >" = type { %"struct.std::_Vector_base<int,std::allocator<int> >::_Vector_impl" }
15	%"struct.std::_Vector_base<int,std::allocator<int> >::_Vector_impl" = type { i32*, i32*, i32* }
16	%"struct.std::vector<int,std::allocator<int> >" = type { %"struct.std::_Vector_base<int,std::allocator<int> >" }
17@registry_lock = external global %struct..0FileDescriptor		; <%struct..0FileDescriptor*> [#uses=0]
18@_ZN61FLAG__foo_int32_44FLAGS_E = external global %"struct.FlagRegisterer<bool>"		; <%"struct.FlagRegisterer<bool>"*> [#uses=0]
19@llvm.global_ctors = appending global [20 x { i32, void ()* }] [ { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN62FLAG__foo_string_10FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN60FLAG__foo_bool_19FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZNK5Bzh4Enum13is_contiguousEv }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN62FLAG__foo_string_17FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN61FLAG__foo_int32_21FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN7ScannerC2Ev }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__Z11StripStringPSsPKcc }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZNK9__gnu_cxx4hashI11StringPieceEclERKS1_ }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN8Hasher325ResetEj }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__Z25ACLRv }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN61FLAG__foo_int64_25FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN61FLAG__foo_int32_7FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN62FLAG__foo_string_18FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN62FLAG__foo_string_17FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN61FLAG__foo_int32_25FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_eventbuf }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN61FLAG__foo_int32_26FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN62FLAG__foo_string_16FLAGS_E }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__ZN17InitializerC2EPKcS1_PFvvE }, { i32, void ()* } { i32 65535, void ()* @_GLOBAL__I__checker_bcad_variable } ]		; <[20 x { i32, void ()* }]*> [#uses=0]
20
21declare void @_GLOBAL__I__ZN62FLAG__foo_string_10FLAGS_E()
22
23declare void @_GLOBAL__I__ZN60FLAG__foo_bool_19FLAGS_E()
24
25declare void @_GLOBAL__I__ZNK5Bzh4Enum13is_contiguousEv()
26
27declare void @_GLOBAL__I__ZN62FLAG__foo_string_17FLAGS_E()
28
29declare void @_GLOBAL__I__ZN61FLAG__foo_int32_21FLAGS_E()
30
31define void @_ZN14FlagRegistererIiEC1EPKcRK15FlagDescriptionIiE() {
32entry:
33	call void @_Z12RegisterFlagIiEvPKcRK15FlagDescriptionIT_E( )
34	ret void
35}
36
37define void @_Z12RegisterFlagIiEvPKcRK15FlagDescriptionIT_E() {
38entry:
39	call void @_ZN9MutexLockC1EP5Mutex( )
40	ret void
41}
42
43declare void @_GLOBAL__I__ZN7ScannerC2Ev()
44
45declare void @_GLOBAL__I__Z11StripStringPSsPKcc()
46
47define void @_ZNSt6vectorIiSaIiEEC1ERKS0_() {
48entry:
49	unreachable
50}
51
52declare void @_GLOBAL__I__ZNK9__gnu_cxx4hashI11StringPieceEclERKS1_()
53
54declare void @_GLOBAL__I__ZN8Hasher325ResetEj()
55
56declare void @_GLOBAL__I__Z25ACLRv()
57
58define void @_ZN9MutexLockC1EP5Mutex() {
59entry:
60	call void @_ZN5Mutex4LockEv( )
61	ret void
62}
63
64define void @_ZN5Mutex4LockEv() {
65entry:
66	call void @_Z22Acquire_CASPViii( )
67	ret void
68}
69
70define void @_ZNSt3mapIPKc15FlagDescriptionIiE9StringCmpSaISt4pairIKS1_S3_EEE3endEv(%"struct.std::_Rb_tree_const_iterator<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >"* sret  %agg.result) {
71entry:
72	unreachable
73}
74
75declare void @_GLOBAL__I__ZN61FLAG__foo_int64_25FLAGS_E()
76
77define void @_Z14CASPViii() {
78entry:
79	%tmp3 = call i32 asm sideeffect "lock; cmpxchg $1,$2", "={ax},q,m,0,~{dirflag},~{fpsr},~{flags},~{memory}"( i32 0, i32* null, i32 0 )		; <i32> [#uses=0]
80	unreachable
81}
82
83declare void @_GLOBAL__I__ZN61FLAG__foo_int32_7FLAGS_E()
84
85declare void @_GLOBAL__I__ZN62FLAG__foo_string_18FLAGS_E()
86
87define void @_Z22Acquire_CASPViii() {
88entry:
89	call void @_Z14CASPViii( )
90	unreachable
91}
92
93declare void @_GLOBAL__I__ZN61FLAG__foo_int32_25FLAGS_E()
94
95declare void @_GLOBAL__I_eventbuf()
96
97define void @_GLOBAL__I__ZN61FLAG__foo_int32_26FLAGS_E() {
98entry:
99	call void @_Z41__static_initialization_and_destruction_0ii1662( i32 1, i32 65535 )
100	ret void
101}
102
103define void @_Z41__static_initialization_and_destruction_0ii1662(i32 %__initialize_p, i32 %__priority) {
104entry:
105	%__initialize_p_addr = alloca i32		; <i32*> [#uses=2]
106	%__priority_addr = alloca i32		; <i32*> [#uses=2]
107	store i32 %__initialize_p, i32* %__initialize_p_addr
108	store i32 %__priority, i32* %__priority_addr
109	%tmp = load i32* %__priority_addr		; <i32> [#uses=1]
110	%tmp.upgrd.1 = icmp eq i32 %tmp, 65535		; <i1> [#uses=1]
111	br i1 %tmp.upgrd.1, label %cond_true, label %cond_next14
112
113cond_true:		; preds = %entry
114	%tmp8 = load i32* %__initialize_p_addr		; <i32> [#uses=1]
115	%tmp9 = icmp eq i32 %tmp8, 1		; <i1> [#uses=1]
116	br i1 %tmp9, label %cond_true10, label %cond_next14
117
118cond_true10:		; preds = %cond_true
119	call void @_ZN14FlagRegistererIiEC1EPKcRK15FlagDescriptionIiE( )
120	ret void
121
122cond_next14:		; preds = %cond_true, %entry
123	ret void
124}
125
126declare void @_GLOBAL__I__ZN62FLAG__foo_string_16FLAGS_E()
127
128define void @_ZN9__gnu_cxx13new_allocatorIPNS_15_Hashtable_nodeIjEEEC2Ev() {
129entry:
130	unreachable
131}
132
133declare void @_GLOBAL__I__ZN17InitializerC2EPKcS1_PFvvE()
134
135declare void @_GLOBAL__I__checker_bcad_variable()
136