; LLVM IR from smv1999/CompetitiveProgrammingQuestionBank :: Standard Template Library (balancedparenthesis_stl)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"struct.std::pair" = type { i8, i32 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.std::initializer_list" = type { ptr, i64 }
%"struct.std::hash" = type { i8 }
%"struct.std::equal_to" = type { i8 }
%"class.std::allocator.5" = type { i8 }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }

@constinit = external hidden constant [6 x %"struct.std::pair"], align 4
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10isBalancedNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::unordered_map", align 8
  %6 = alloca %"class.std::initializer_list", align 8
  %7 = alloca [6 x %"struct.std::pair"], align 4
  %8 = alloca %"struct.std::hash", align 1
  %9 = alloca %"struct.std::equal_to", align 1
  %10 = alloca %"class.std::allocator.5", align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::stack", align 8
  %14 = alloca ptr, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca i32, align 4
  %18 = alloca i8, align 1
  %19 = alloca %"class.std::allocator", align 1
  %20 = alloca i8, align 1
  %21 = alloca %"class.std::allocator", align 1
  %22 = alloca %"class.std::allocator", align 1
  %23 = alloca %"class.std::allocator", align 1
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 56, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 48, ptr %7) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 4 @constinit, i64 48, i1 false), !tbaa.struct !9
  %24 = getelementptr inbounds %"class.std::initializer_list", ptr %6, i32 0, i32 0
  store ptr %7, ptr %24, align 8, !tbaa !11
  %25 = getelementptr inbounds %"class.std::initializer_list", ptr %6, i32 0, i32 1
  store i64 6, ptr %25, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #5
  call void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  %26 = getelementptr inbounds { ptr, i64 }, ptr %6, i32 0, i32 0
  %27 = load ptr, ptr %26, align 8
  %28 = getelementptr inbounds { ptr, i64 }, ptr %6, i32 0, i32 1
  %29 = load i64, ptr %28, align 8
  invoke void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr %27, i64 %29, i64 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %8, ptr noundef nonnull align 1 dereferenceable(1) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %30 unwind label %41

30:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 80, ptr %13) #5
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %13)
          to label %31 unwind label %45

31:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store ptr %1, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %32 = load ptr, ptr %14, align 8, !tbaa !5
  %33 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %32) #5
  %34 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %33, ptr %34, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %35 = load ptr, ptr %14, align 8, !tbaa !5
  %36 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %35) #5
  %37 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %36, ptr %37, align 8
  br label %38

38:                                               ; preds = %103, %31
  %39 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #5
  br i1 %39, label %49, label %40

40:                                               ; preds = %38
  store i32 2, ptr %17, align 4
  br label %106

41:                                               ; preds = %2
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %11, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %12, align 4
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %7) #5
  br label %130

45:                                               ; preds = %30
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %11, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %12, align 4
  br label %129

49:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #5
  %50 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  %51 = load i8, ptr %50, align 1, !tbaa !10
  store i8 %51, ptr %18, align 1, !tbaa !10
  %52 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %53 unwind label %58

53:                                               ; preds = %49
  %54 = load i32, ptr %52, align 4, !tbaa !15
  %55 = icmp slt i32 %54, 0
  br i1 %55, label %56, label %62

56:                                               ; preds = %53
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80) %13, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %57 unwind label %58

57:                                               ; preds = %56
  br label %99

58:                                               ; preds = %62, %56, %49
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %11, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %12, align 4
  br label %105

62:                                               ; preds = %53
  %63 = invoke noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %13)
          to label %64 unwind label %58

64:                                               ; preds = %62
  br i1 %63, label %65, label %71

65:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 1, ptr %19) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %66 unwind label %67

66:                                               ; preds = %65
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #5
  store i32 1, ptr %17, align 4
  br label %100

67:                                               ; preds = %65
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %11, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #5
  br label %105

71:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #5
  %72 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %13)
          to label %73 unwind label %86

73:                                               ; preds = %71
  %74 = load i8, ptr %72, align 1, !tbaa !10
  store i8 %74, ptr %20, align 1, !tbaa !10
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %13)
          to label %75 unwind label %86

75:                                               ; preds = %73
  %76 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %77 unwind label %86

77:                                               ; preds = %75
  %78 = load i32, ptr %76, align 4, !tbaa !15
  %79 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %80 unwind label %86

80:                                               ; preds = %77
  %81 = load i32, ptr %79, align 4, !tbaa !15
  %82 = add nsw i32 %78, %81
  %83 = icmp ne i32 %82, 0
  br i1 %83, label %84, label %94

84:                                               ; preds = %80
  call void @llvm.lifetime.start.p0(i64 1, ptr %21) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %21)
          to label %85 unwind label %90

85:                                               ; preds = %84
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #5
  store i32 1, ptr %17, align 4
  br label %95

86:                                               ; preds = %77, %75, %73, %71
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %11, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %12, align 4
  br label %98

90:                                               ; preds = %84
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %11, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #5
  br label %98

94:                                               ; preds = %80
  store i32 0, ptr %17, align 4
  br label %95

95:                                               ; preds = %94, %85
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #5
  %96 = load i32, ptr %17, align 4
  switch i32 %96, label %100 [
    i32 0, label %97
  ]

97:                                               ; preds = %95
  br label %99

98:                                               ; preds = %90, %86
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #5
  br label %105

99:                                               ; preds = %97, %57
  store i32 0, ptr %17, align 4
  br label %100

100:                                              ; preds = %99, %95, %66
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #5
  %101 = load i32, ptr %17, align 4
  switch i32 %101, label %106 [
    i32 0, label %102
  ]

102:                                              ; preds = %100
  br label %103

103:                                              ; preds = %102
  %104 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  br label %38

105:                                              ; preds = %98, %67, %58
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %128

106:                                              ; preds = %100, %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  %107 = load i32, ptr %17, align 4
  switch i32 %107, label %127 [
    i32 2, label %108
  ]

108:                                              ; preds = %106
  %109 = invoke noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %13)
          to label %110 unwind label %113

110:                                              ; preds = %108
  br i1 %109, label %121, label %111

111:                                              ; preds = %110
  call void @llvm.lifetime.start.p0(i64 1, ptr %22) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %22)
          to label %112 unwind label %117

112:                                              ; preds = %111
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %22) #5
  store i32 1, ptr %17, align 4
  br label %127

113:                                              ; preds = %108
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %11, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %12, align 4
  br label %128

117:                                              ; preds = %111
  %118 = landingpad { ptr, i32 }
          cleanup
  %119 = extractvalue { ptr, i32 } %118, 0
  store ptr %119, ptr %11, align 8
  %120 = extractvalue { ptr, i32 } %118, 1
  store i32 %120, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %22) #5
  br label %128

121:                                              ; preds = %110
  call void @llvm.lifetime.start.p0(i64 1, ptr %23) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %23)
          to label %122 unwind label %123

122:                                              ; preds = %121
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #5
  store i32 1, ptr %17, align 4
  br label %127

123:                                              ; preds = %121
  %124 = landingpad { ptr, i32 }
          cleanup
  %125 = extractvalue { ptr, i32 } %124, 0
  store ptr %125, ptr %11, align 8
  %126 = extractvalue { ptr, i32 } %124, 1
  store i32 %126, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #5
  br label %128

127:                                              ; preds = %122, %112, %106
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %13) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr %13) #5
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #5
  ret void

128:                                              ; preds = %123, %117, %113, %105
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %13) #5
  br label %129

129:                                              ; preds = %128, %45
  call void @llvm.lifetime.end.p0(i64 80, ptr %13) #5
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #5
  br label %130

130:                                              ; preds = %129, %41
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #5
  br label %131

131:                                              ; preds = %130
  %132 = load ptr, ptr %11, align 8
  %133 = load i32, ptr %12, align 4
  %134 = insertvalue { ptr, i32 } poison, ptr %132, 0
  %135 = insertvalue { ptr, i32 } %134, i32 %133, 1
  resume { ptr, i32 } %135
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr, i64, i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 48, !10}
!10 = !{!7, !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt16initializer_listISt4pairIKciEE", !6, i64 0, !13, i64 8}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, i64 8}
!15 = !{!16, !16, i64 0}
!16 = !{!"int", !7, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"struct.std::pair" = type { i8, i32 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::hash" = type { i8 }
%"struct.std::equal_to" = type { i8 }
%"class.std::allocator.5" = type { i8 }
%"class.std::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl" = type { %"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" }
%"struct.std::_Deque_base<char, std::allocator<char>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::allocator" = type { i8 }

@constinit = external hidden local_unnamed_addr constant [6 x %"struct.std::pair"], align 4
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10isBalancedNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, ptr noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::unordered_map", align 8
  %4 = alloca [6 x %"struct.std::pair"], align 4
  %5 = alloca %"struct.std::hash", align 1
  %6 = alloca %"struct.std::equal_to", align 1
  %7 = alloca %"class.std::allocator.5", align 1
  %8 = alloca %"class.std::stack", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca i8, align 1
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca i8, align 1
  %14 = alloca %"class.std::allocator", align 1
  %15 = alloca %"class.std::allocator", align 1
  %16 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(48) @constinit, i64 48, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #5
  call void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr nonnull %4, i64 6, i64 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %5, ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %17 unwind label %22

17:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %8) #5
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
          to label %18 unwind label %24

18:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %19 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  store ptr %19, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #5
  %20 = call ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #5
  store ptr %20, ptr %10, align 8
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  br i1 %21, label %.lr.ph, label %._crit_edge

22:                                               ; preds = %2
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #5
  br label %74

24:                                               ; preds = %17
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %73

.lr.ph:                                           ; preds = %18, %.critedge24
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #5
  %26 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  %27 = load i8, ptr %26, align 1, !tbaa !6
  store i8 %27, ptr %11, align 1, !tbaa !6
  %28 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %29 unwind label %33

29:                                               ; preds = %.lr.ph
  %30 = load i32, ptr %28, align 4, !tbaa !9
  %31 = icmp slt i32 %30, 0
  br i1 %31, label %32, label %35

32:                                               ; preds = %29
  invoke void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80) %8, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %.critedge24 unwind label %33

33:                                               ; preds = %32, %.lr.ph
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %61

35:                                               ; preds = %29
  %36 = call noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  br i1 %36, label %37, label %41

37:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %38 unwind label %39

38:                                               ; preds = %37
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #5
  br label %60

39:                                               ; preds = %37
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #5
  br label %61

41:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %13) #5
  %42 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  %43 = load i8, ptr %42, align 1, !tbaa !6
  store i8 %43, ptr %13, align 1, !tbaa !6
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  %44 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %45 unwind label %53

45:                                               ; preds = %41
  %46 = load i32, ptr %44, align 4, !tbaa !9
  %47 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %48 unwind label %53

48:                                               ; preds = %45
  %49 = load i32, ptr %47, align 4, !tbaa !9
  %50 = sub i32 0, %49
  %.not = icmp eq i32 %46, %50
  br i1 %.not, label %.critedge, label %51

51:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %14) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %52 unwind label %55

52:                                               ; preds = %51
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #5
  br label %60

53:                                               ; preds = %45, %41
  %54 = landingpad { ptr, i32 }
          cleanup
  br label %57

55:                                               ; preds = %51
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %14) #5
  br label %57

57:                                               ; preds = %55, %53
  %.pn = phi { ptr, i32 } [ %56, %55 ], [ %54, %53 ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #5
  br label %61

.critedge:                                        ; preds = %48
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #5
  br label %.critedge24

.critedge24:                                      ; preds = %.critedge, %32
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  %59 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  br i1 %59, label %.lr.ph, label %._crit_edge

60:                                               ; preds = %52, %38
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  br label %71

61:                                               ; preds = %57, %39, %33
  %.pn17 = phi { ptr, i32 } [ %34, %33 ], [ %40, %39 ], [ %.pn, %57 ]
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  br label %72

._crit_edge:                                      ; preds = %.critedge24, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  %62 = call noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  br i1 %62, label %67, label %63

63:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %15) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %64 unwind label %65

64:                                               ; preds = %63
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %15) #5
  br label %71

65:                                               ; preds = %63
  %66 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %15) #5
  br label %72

67:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %16) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %68 unwind label %69

68:                                               ; preds = %67
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %16) #5
  br label %71

69:                                               ; preds = %67
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %16) #5
  br label %72

71:                                               ; preds = %60, %68, %64
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %8) #5
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #5
  ret void

72:                                               ; preds = %69, %65, %61
  %.pn19 = phi { ptr, i32 } [ %70, %69 ], [ %66, %65 ], [ %.pn17, %61 ]
  call void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #5
  br label %73

73:                                               ; preds = %72, %24
  %.pn19.pn = phi { ptr, i32 } [ %.pn19, %72 ], [ %25, %24 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %8) #5
  call void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  br label %74

74:                                               ; preds = %73, %22
  %.pn19.pn.pn = phi { ptr, i32 } [ %.pn19.pn, %73 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #5
  resume { ptr, i32 } %.pn19.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIKciEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEC2ESt16initializer_listIS6_EmRKS1_RKS3_RKS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr, i64, i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIKciEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5beginEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE3endEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE4pushERKc(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIcSt5dequeIcSaIcEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt5stackIcSt5dequeIcSaIcEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPcNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIcSt5dequeIcSaIcEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIciSt4hashIcESt8equal_toIcESaISt4pairIKciEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{i64 0, i64 48, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass