; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (5C-LongestRegularBrackerSequence)

; 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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.0" = 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<long, std::allocator<long>>::_Deque_impl" }
%"struct.std::_Deque_base<long, std::allocator<long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long, std::allocator<long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long, std::allocator<long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::allocator.0", align 1
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::allocator.0", align 1
  %11 = alloca %"class.std::stack", align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %19 unwind label %30

19:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #7
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  store i64 -1, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %20, ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %21 unwind label %34

21:                                               ; preds = %19
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #7
  %22 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  store i64 -1, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %22, ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %23 unwind label %38

23:                                               ; preds = %21
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr %11) #7
  invoke void @_ZNSt5stackIlSt5dequeIlSaIlEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %24 unwind label %42

24:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  store i64 0, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  store i64 1, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %121, %24
  %26 = load i64, ptr %14, align 8, !tbaa !5
  %27 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  %28 = icmp ult i64 %26, %27
  br i1 %28, label %46, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %124

30:                                               ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %3, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %4, align 4
  br label %144

34:                                               ; preds = %19
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %3, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %4, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  br label %143

38:                                               ; preds = %21
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %3, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %4, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  br label %142

42:                                               ; preds = %23
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %3, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %4, align 4
  br label %141

46:                                               ; preds = %25
  %47 = load i64, ptr %14, align 8, !tbaa !5
  %48 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %47)
          to label %49 unwind label %55

49:                                               ; preds = %46
  %50 = load i8, ptr %48, align 1, !tbaa !9
  %51 = sext i8 %50 to i32
  %52 = icmp eq i32 %51, 40
  br i1 %52, label %53, label %59

53:                                               ; preds = %49
  invoke void @_ZNSt5stackIlSt5dequeIlSaIlEEE4pushERKl(ptr noundef nonnull align 8 dereferenceable(80) %11, ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %54 unwind label %55

54:                                               ; preds = %53
  br label %120

55:                                               ; preds = %71, %69, %66, %59, %53, %46
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %3, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %140

59:                                               ; preds = %49
  %60 = load i64, ptr %14, align 8, !tbaa !5
  %61 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %60)
          to label %62 unwind label %55

62:                                               ; preds = %59
  %63 = load i8, ptr %61, align 1, !tbaa !9
  %64 = sext i8 %63 to i32
  %65 = icmp eq i32 %64, 41
  br i1 %65, label %66, label %119

66:                                               ; preds = %62
  %67 = invoke noundef zeroext i1 @_ZNKSt5stackIlSt5dequeIlSaIlEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %68 unwind label %55

68:                                               ; preds = %66
  br i1 %67, label %119, label %69

69:                                               ; preds = %68
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIlSt5dequeIlSaIlEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %71 unwind label %55

71:                                               ; preds = %69
  %72 = load i64, ptr %70, align 8, !tbaa !5
  %73 = load i64, ptr %14, align 8, !tbaa !5
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %73) #7
  store i64 %72, ptr %74, align 8, !tbaa !5
  invoke void @_ZNSt5stackIlSt5dequeIlSaIlEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %11)
          to label %75 unwind label %55

75:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %76 = load i64, ptr %14, align 8, !tbaa !5
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %76) #7
  %78 = load i64, ptr %77, align 8, !tbaa !5
  store i64 %78, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  %79 = load i64, ptr %15, align 8, !tbaa !5
  %80 = icmp sgt i64 %79, 0
  br i1 %80, label %81, label %86

81:                                               ; preds = %75
  %82 = load i64, ptr %15, align 8, !tbaa !5
  %83 = sub nsw i64 %82, 1
  %84 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %83) #7
  %85 = load i64, ptr %84, align 8, !tbaa !5
  br label %87

86:                                               ; preds = %75
  br label %87

87:                                               ; preds = %86, %81
  %88 = phi i64 [ %85, %81 ], [ -1, %86 ]
  store i64 %88, ptr %16, align 8, !tbaa !5
  %89 = load i64, ptr %16, align 8, !tbaa !5
  %90 = icmp sge i64 %89, 0
  br i1 %90, label %91, label %93

91:                                               ; preds = %87
  %92 = load i64, ptr %16, align 8, !tbaa !5
  br label %95

93:                                               ; preds = %87
  %94 = load i64, ptr %15, align 8, !tbaa !5
  br label %95

95:                                               ; preds = %93, %91
  %96 = phi i64 [ %92, %91 ], [ %94, %93 ]
  %97 = load i64, ptr %14, align 8, !tbaa !5
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %97) #7
  store i64 %96, ptr %98, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %99 = load i64, ptr %14, align 8, !tbaa !5
  %100 = load i64, ptr %14, align 8, !tbaa !5
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %100) #7
  %102 = load i64, ptr %101, align 8, !tbaa !5
  %103 = sub nsw i64 %99, %102
  %104 = add nsw i64 %103, 1
  store i64 %104, ptr %17, align 8, !tbaa !5
  %105 = load i64, ptr %17, align 8, !tbaa !5
  %106 = load i64, ptr %12, align 8, !tbaa !5
  %107 = icmp sgt i64 %105, %106
  br i1 %107, label %108, label %110

108:                                              ; preds = %95
  %109 = load i64, ptr %17, align 8, !tbaa !5
  store i64 %109, ptr %12, align 8, !tbaa !5
  store i64 1, ptr %13, align 8, !tbaa !5
  br label %118

110:                                              ; preds = %95
  %111 = load i64, ptr %17, align 8, !tbaa !5
  %112 = load i64, ptr %12, align 8, !tbaa !5
  %113 = icmp eq i64 %111, %112
  br i1 %113, label %114, label %117

114:                                              ; preds = %110
  %115 = load i64, ptr %13, align 8, !tbaa !5
  %116 = add nsw i64 %115, 1
  store i64 %116, ptr %13, align 8, !tbaa !5
  br label %117

117:                                              ; preds = %114, %110
  br label %118

118:                                              ; preds = %117, %108
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %119

119:                                              ; preds = %118, %68, %62
  br label %120

120:                                              ; preds = %119, %54
  br label %121

121:                                              ; preds = %120
  %122 = load i64, ptr %14, align 8, !tbaa !5
  %123 = add nsw i64 %122, 1
  store i64 %123, ptr %14, align 8, !tbaa !5
  br label %25, !llvm.loop !10

124:                                              ; preds = %29
  %125 = load i64, ptr %12, align 8, !tbaa !5
  %126 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %125)
          to label %127 unwind label %136

127:                                              ; preds = %124
  %128 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %126, ptr noundef @.str)
          to label %129 unwind label %136

129:                                              ; preds = %127
  %130 = load i64, ptr %13, align 8, !tbaa !5
  %131 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %128, i64 noundef %130)
          to label %132 unwind label %136

132:                                              ; preds = %129
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %131, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %134 unwind label %136

134:                                              ; preds = %132
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @_ZNSt5stackIlSt5dequeIlSaIlEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #7
  %135 = load i32, ptr %1, align 4
  ret i32 %135

136:                                              ; preds = %132, %129, %127, %124
  %137 = landingpad { ptr, i32 }
          cleanup
  %138 = extractvalue { ptr, i32 } %137, 0
  store ptr %138, ptr %3, align 8
  %139 = extractvalue { ptr, i32 } %137, 1
  store i32 %139, ptr %4, align 4
  br label %140

140:                                              ; preds = %136, %55
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @_ZNSt5stackIlSt5dequeIlSaIlEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %11) #7
  br label %141

141:                                              ; preds = %140, %42
  call void @llvm.lifetime.end.p0(i64 80, ptr %11) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %142

142:                                              ; preds = %141, %38
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %143

143:                                              ; preds = %142, %34
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  br label %144

144:                                              ; preds = %143, %30
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #7
  br label %145

145:                                              ; preds = %144
  %146 = load ptr, ptr %3, align 8
  %147 = load i32, ptr %4, align 4
  %148 = insertvalue { ptr, i32 } poison, ptr %146, 0
  %149 = insertvalue { ptr, i32 } %148, i32 %147, 1
  resume { ptr, i32 } %149
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 @_ZNSt5stackIlSt5dequeIlSaIlEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIlSt5dequeIlSaIlEEE4pushERKl(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIlSt5dequeIlSaIlEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIlSt5dequeIlSaIlEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIlSt5dequeIlSaIlEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIlSt5dequeIlSaIlEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse 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 = { 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 #3 = { "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 = { 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 #5 = { inlinehint 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 #6 = { 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 #7 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; 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"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.0" = 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<long, std::allocator<long>>::_Deque_impl" }
%"struct.std::_Deque_base<long, std::allocator<long>>::_Deque_impl" = type { %"struct.std::_Deque_base<long, std::allocator<long>>::_Deque_impl_data" }
%"struct.std::_Deque_base<long, std::allocator<long>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::allocator.0", align 1
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::allocator.0", align 1
  %8 = alloca %"class.std::stack", align 8
  %9 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %11 unwind label %19

11:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %12 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  store i64 -1, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %12, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %13 unwind label %21

13:                                               ; preds = %11
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  %14 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  store i64 -1, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %14, ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %15 unwind label %23

15:                                               ; preds = %13
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %8) #7
  invoke void @_ZNSt5stackIlSt5dequeIlSaIlEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
          to label %16 unwind label %25

16:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  store i64 0, ptr %9, align 8, !tbaa !5
  %17 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %.not40 = icmp eq i64 %17, 0
  br i1 %.not40, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %67, %16
  %.023.lcssa = phi i64 [ 0, %16 ], [ %.225, %67 ]
  %.020.lcssa = phi i64 [ 1, %16 ], [ %.222, %67 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  %18 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.023.lcssa)
          to label %72 unwind label %79

19:                                               ; preds = %0
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %85

21:                                               ; preds = %11
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  br label %84

23:                                               ; preds = %13
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %83

25:                                               ; preds = %15
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %82

.lr.ph:                                           ; preds = %16, %67
  %.02038 = phi i64 [ %.222, %67 ], [ 1, %16 ]
  %.02337 = phi i64 [ %.225, %67 ], [ 0, %16 ]
  %27 = load i64, ptr %9, align 8, !tbaa !5
  %28 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %27)
  %29 = load i8, ptr %28, align 1, !tbaa !9
  %30 = icmp eq i8 %29, 40
  br i1 %30, label %31, label %34

31:                                               ; preds = %.lr.ph
  invoke void @_ZNSt5stackIlSt5dequeIlSaIlEEE4pushERKl(ptr noundef nonnull align 8 dereferenceable(80) %8, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %67 unwind label %32

32:                                               ; preds = %31
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  br label %81

34:                                               ; preds = %.lr.ph
  %35 = load i64, ptr %9, align 8, !tbaa !5
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %35)
  %37 = load i8, ptr %36, align 1, !tbaa !9
  %38 = icmp eq i8 %37, 41
  br i1 %38, label %39, label %67

39:                                               ; preds = %34
  %40 = call noundef zeroext i1 @_ZNKSt5stackIlSt5dequeIlSaIlEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  br i1 %40, label %67, label %41

41:                                               ; preds = %39
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIlSt5dequeIlSaIlEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = load i64, ptr %9, align 8, !tbaa !5
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %44) #7
  store i64 %43, ptr %45, align 8, !tbaa !5
  call void @_ZNSt5stackIlSt5dequeIlSaIlEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  %46 = load i64, ptr %9, align 8, !tbaa !5
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %46) #7
  %48 = load i64, ptr %47, align 8, !tbaa !5
  %49 = icmp sgt i64 %48, 0
  br i1 %49, label %50, label %.thread

50:                                               ; preds = %41
  %51 = add nsw i64 %48, -1
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %51) #7
  %53 = load i64, ptr %52, align 8, !tbaa !5
  %.fr = freeze i64 %53
  %54 = icmp slt i64 %.fr, 0
  br i1 %54, label %.thread, label %55

.thread:                                          ; preds = %41, %50
  br label %55

55:                                               ; preds = %50, %.thread
  %56 = phi i64 [ %48, %.thread ], [ %.fr, %50 ]
  %57 = load i64, ptr %9, align 8, !tbaa !5
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %57) #7
  store i64 %56, ptr %58, align 8, !tbaa !5
  %59 = load i64, ptr %9, align 8, !tbaa !5
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %59) #7
  %61 = load i64, ptr %60, align 8, !tbaa !5
  %62 = sub nsw i64 %59, %61
  %63 = add nsw i64 %62, 1
  %.not = icmp slt i64 %62, %.02337
  br i1 %.not, label %64, label %67

64:                                               ; preds = %55
  %65 = icmp eq i64 %63, %.02337
  %66 = zext i1 %65 to i64
  %spec.select = add nsw i64 %.02038, %66
  br label %67

67:                                               ; preds = %64, %55, %31, %39, %34
  %.225 = phi i64 [ %.02337, %31 ], [ %.02337, %39 ], [ %.02337, %34 ], [ %63, %55 ], [ %.02337, %64 ]
  %.222 = phi i64 [ %.02038, %31 ], [ %.02038, %39 ], [ %.02038, %34 ], [ 1, %55 ], [ %spec.select, %64 ]
  %68 = load i64, ptr %9, align 8, !tbaa !5
  %69 = add nsw i64 %68, 1
  store i64 %69, ptr %9, align 8, !tbaa !5
  %70 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %71 = icmp ult i64 %69, %70
  br i1 %71, label %.lr.ph, label %._crit_edge, !llvm.loop !10

72:                                               ; preds = %._crit_edge
  %73 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull @.str)
          to label %74 unwind label %79

74:                                               ; preds = %72
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %73, i64 noundef %.020.lcssa)
          to label %76 unwind label %79

76:                                               ; preds = %74
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %78 unwind label %79

78:                                               ; preds = %76
  call void @_ZNSt5stackIlSt5dequeIlSaIlEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %8) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  ret i32 0

79:                                               ; preds = %76, %74, %72, %._crit_edge
  %80 = landingpad { ptr, i32 }
          cleanup
  br label %81

81:                                               ; preds = %79, %32
  %.pn = phi { ptr, i32 } [ %33, %32 ], [ %80, %79 ]
  call void @_ZNSt5stackIlSt5dequeIlSaIlEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #7
  br label %82

82:                                               ; preds = %81, %25
  %.pn.pn = phi { ptr, i32 } [ %.pn, %81 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %8) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %83

83:                                               ; preds = %82, %23
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %82 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %84

84:                                               ; preds = %83, %21
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %83 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  br label %85

85:                                               ; preds = %84, %19
  %.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn.pn, %84 ], [ %20, %19 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn.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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 @_ZNSt5stackIlSt5dequeIlSaIlEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackIlSt5dequeIlSaIlEEE4pushERKl(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackIlSt5dequeIlSaIlEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt5stackIlSt5dequeIlSaIlEEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIlSt5dequeIlSaIlEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackIlSt5dequeIlSaIlEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse 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 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 #3 = { "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 = { 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 #5 = { inlinehint 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 #6 = { 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 #7 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


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