; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI (1944)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::initializer_list" = type { ptr, i64 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::vector.0", align 8
  %7 = alloca i8, align 1
  %8 = alloca %"class.std::allocator.2", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::vector.0", align 8
  %12 = alloca %"class.std::initializer_list", align 8
  %13 = alloca [4 x i8], align 1
  %14 = alloca %"class.std::allocator.2", align 1
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %"class.std::vector.0", align 8
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"class.std::vector.0", align 8
  %21 = alloca %"class.std::initializer_list", align 8
  %22 = alloca [4 x i8], align 1
  %23 = alloca %"class.std::allocator.2", align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  %24 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  store i8 32, ptr %7, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 4, ptr noundef nonnull align 1 dereferenceable(1) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %25 unwind label %46

25:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i8 70, ptr %13, align 1, !tbaa !9
  %26 = getelementptr inbounds i8, ptr %13, i64 1
  store i8 65, ptr %26, align 1, !tbaa !9
  %27 = getelementptr inbounds i8, ptr %13, i64 2
  store i8 67, ptr %27, align 1, !tbaa !9
  %28 = getelementptr inbounds i8, ptr %13, i64 3
  store i8 69, ptr %28, align 1, !tbaa !9
  %29 = getelementptr inbounds %"class.std::initializer_list", ptr %12, i32 0, i32 0
  store ptr %13, ptr %29, align 8, !tbaa !10
  %30 = getelementptr inbounds %"class.std::initializer_list", ptr %12, i32 0, i32 1
  store i64 4, ptr %30, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  %31 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 0
  %32 = load ptr, ptr %31, align 8
  %33 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 1
  %34 = load i64, ptr %33, align 8
  invoke void @_ZNSt6vectorIcSaIcEEC2ESt16initializer_listIcERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %11, ptr %32, i64 %34, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %35 unwind label %50

35:                                               ; preds = %25
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %11)
          to label %36 unwind label %54

36:                                               ; preds = %35
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  br label %37

37:                                               ; preds = %143, %36
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %2, align 4, !tbaa !5
  %40 = icmp ne i32 %38, 0
  br i1 %40, label %41, label %146

41:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %65, %41
  %43 = load i32, ptr %15, align 4, !tbaa !5
  %44 = icmp slt i32 %43, 4
  br i1 %44, label %59, label %45

45:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %72

46:                                               ; preds = %0
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %9, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  br label %158

50:                                               ; preds = %25
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %9, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %10, align 4
  br label %58

54:                                               ; preds = %35
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %9, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %10, align 4
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  br label %58

58:                                               ; preds = %54, %50
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  br label %157

59:                                               ; preds = %42
  %60 = load i32, ptr %15, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %61) #6
  %63 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %62)
          to label %64 unwind label %68

64:                                               ; preds = %59
  br label %65

65:                                               ; preds = %64
  %66 = load i32, ptr %15, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %15, align 4, !tbaa !5
  br label %42, !llvm.loop !15

68:                                               ; preds = %59
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %9, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %157

72:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  store i32 0, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #6
  %73 = call noundef i64 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %74 = trunc i64 %73 to i32
  %75 = sub nsw i32 %74, 1
  %76 = sext i32 %75 to i64
  %77 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %76) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(24) %77)
          to label %78 unwind label %83

78:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  store i32 0, ptr %18, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #6
  store i32 3, ptr %19, align 4, !tbaa !5
  br label %79

79:                                               ; preds = %103, %78
  %80 = load i32, ptr %18, align 4, !tbaa !5
  %81 = icmp slt i32 %80, 4
  br i1 %81, label %87, label %82

82:                                               ; preds = %79
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  br label %108

83:                                               ; preds = %72
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %9, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %10, align 4
  br label %145

87:                                               ; preds = %79
  %88 = load i32, ptr %18, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %89) #6
  %91 = load i8, ptr %90, align 1, !tbaa !9
  %92 = sext i8 %91 to i32
  %93 = load i32, ptr %19, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %94) #6
  %96 = load i8, ptr %95, align 1, !tbaa !9
  %97 = sext i8 %96 to i32
  %98 = icmp eq i32 %92, %97
  br i1 %98, label %99, label %102

99:                                               ; preds = %87
  %100 = load i32, ptr %16, align 4, !tbaa !5
  %101 = add nsw i32 %100, 1
  store i32 %101, ptr %16, align 4, !tbaa !5
  br label %102

102:                                              ; preds = %99, %87
  br label %103

103:                                              ; preds = %102
  %104 = load i32, ptr %18, align 4, !tbaa !5
  %105 = add nsw i32 %104, 1
  store i32 %105, ptr %18, align 4, !tbaa !5
  %106 = load i32, ptr %19, align 4, !tbaa !5
  %107 = add nsw i32 %106, -1
  store i32 %107, ptr %19, align 4, !tbaa !5
  br label %79, !llvm.loop !17

108:                                              ; preds = %82
  %109 = load i32, ptr %16, align 4, !tbaa !5
  %110 = icmp eq i32 %109, 4
  br i1 %110, label %111, label %137

111:                                              ; preds = %108
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %112 = call noundef zeroext i1 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br i1 %112, label %113, label %134

113:                                              ; preds = %111
  call void @llvm.lifetime.start.p0(i64 24, ptr %20) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #6
  store i8 70, ptr %22, align 1, !tbaa !9
  %114 = getelementptr inbounds i8, ptr %22, i64 1
  store i8 65, ptr %114, align 1, !tbaa !9
  %115 = getelementptr inbounds i8, ptr %22, i64 2
  store i8 67, ptr %115, align 1, !tbaa !9
  %116 = getelementptr inbounds i8, ptr %22, i64 3
  store i8 69, ptr %116, align 1, !tbaa !9
  %117 = getelementptr inbounds %"class.std::initializer_list", ptr %21, i32 0, i32 0
  store ptr %22, ptr %117, align 8, !tbaa !10
  %118 = getelementptr inbounds %"class.std::initializer_list", ptr %21, i32 0, i32 1
  store i64 4, ptr %118, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 1, ptr %23) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #6
  %119 = getelementptr inbounds { ptr, i64 }, ptr %21, i32 0, i32 0
  %120 = load ptr, ptr %119, align 8
  %121 = getelementptr inbounds { ptr, i64 }, ptr %21, i32 0, i32 1
  %122 = load i64, ptr %121, align 8
  invoke void @_ZNSt6vectorIcSaIcEEC2ESt16initializer_listIcERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %20, ptr %120, i64 %122, ptr noundef nonnull align 1 dereferenceable(1) %23)
          to label %123 unwind label %125

123:                                              ; preds = %113
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %20)
          to label %124 unwind label %129

124:                                              ; preds = %123
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %20) #6
  br label %134

125:                                              ; preds = %113
  %126 = landingpad { ptr, i32 }
          cleanup
  %127 = extractvalue { ptr, i32 } %126, 0
  store ptr %127, ptr %9, align 8
  %128 = extractvalue { ptr, i32 } %126, 1
  store i32 %128, ptr %10, align 4
  br label %133

129:                                              ; preds = %123
  %130 = landingpad { ptr, i32 }
          cleanup
  %131 = extractvalue { ptr, i32 } %130, 0
  store ptr %131, ptr %9, align 8
  %132 = extractvalue { ptr, i32 } %130, 1
  store i32 %132, ptr %10, align 4
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #6
  br label %133

133:                                              ; preds = %129, %125
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %23) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %23) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %20) #6
  br label %144

134:                                              ; preds = %124, %111
  %135 = load i32, ptr %4, align 4, !tbaa !5
  %136 = add nsw i32 %135, 1
  store i32 %136, ptr %4, align 4, !tbaa !5
  br label %143

137:                                              ; preds = %108
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %138 unwind label %139

138:                                              ; preds = %137
  br label %143

139:                                              ; preds = %137
  %140 = landingpad { ptr, i32 }
          cleanup
  %141 = extractvalue { ptr, i32 } %140, 0
  store ptr %141, ptr %9, align 8
  %142 = extractvalue { ptr, i32 } %140, 1
  store i32 %142, ptr %10, align 4
  br label %144

143:                                              ; preds = %138, %134
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %37, !llvm.loop !18

144:                                              ; preds = %139, %133
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #6
  br label %145

145:                                              ; preds = %144, %83
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  br label %157

146:                                              ; preds = %37
  %147 = load i32, ptr %4, align 4, !tbaa !5
  %148 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %147)
          to label %149 unwind label %153

149:                                              ; preds = %146
  %150 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %148, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %151 unwind label %153

151:                                              ; preds = %149
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %152 = load i32, ptr %1, align 4
  ret i32 %152

153:                                              ; preds = %149, %146
  %154 = landingpad { ptr, i32 }
          cleanup
  %155 = extractvalue { ptr, i32 } %154, 0
  store ptr %155, ptr %9, align 8
  %156 = extractvalue { ptr, i32 } %154, 1
  store i32 %156, ptr %10, align 4
  br label %157

157:                                              ; preds = %153, %145, %68, %58
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  br label %158

158:                                              ; preds = %157, %46
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %159

159:                                              ; preds = %158
  %160 = load ptr, ptr %9, align 8
  %161 = load i32, ptr %10, align 4
  %162 = insertvalue { ptr, i32 } poison, ptr %160, 0
  %163 = insertvalue { ptr, i32 } %162, i32 %161, 1
  resume { ptr, i32 } %163
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2ESt16initializer_listIcERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 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 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 = { "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 = { 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 = { 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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !12, i64 0}
!11 = !{!"_ZTSSt16initializer_listIcE", !12, i64 0, !13, i64 8}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!"long", !7, i64 0}
!14 = !{!11, !13, i64 8}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}
!18 = distinct !{!18, !16}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<char>, std::allocator<std::vector<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl" = type { %"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" }
%"struct.std::_Vector_base<char, std::allocator<char>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca i8, align 1
  %5 = alloca %"class.std::allocator.2", align 1
  %6 = alloca %"class.std::vector.0", align 8
  %7 = alloca [4 x i8], align 4
  %8 = alloca %"class.std::allocator.2", align 1
  %9 = alloca %"class.std::vector.0", align 8
  %10 = alloca %"class.std::vector.0", align 8
  %11 = alloca [4 x i8], align 4
  %12 = alloca %"class.std::allocator.2", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  store i8 32, ptr %4, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 4, ptr noundef nonnull align 1 dereferenceable(1) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %14 unwind label %46

14:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  store <4 x i8> <i8 70, i8 65, i8 67, i8 69>, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2ESt16initializer_listIcERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr nonnull %7, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %15 unwind label %48

15:                                               ; preds = %14
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %16 unwind label %50

16:                                               ; preds = %15
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  %17 = load i32, ptr %1, align 4, !tbaa !8
  %18 = add nsw i32 %17, -1
  store i32 %18, ptr %1, align 4, !tbaa !8
  %.not47 = icmp eq i32 %17, 0
  br i1 %.not47, label %._crit_edge, label %.preheader37

.preheader37:                                     ; preds = %16, %86
  %.048 = phi i32 [ %.1, %86 ], [ 0, %16 ]
  %19 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %53 unwind label %67

.preheader.preheader:                             ; preds = %62
  %21 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %22 = load i8, ptr %21, align 1, !tbaa !5
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 3) #6
  %24 = load i8, ptr %23, align 1, !tbaa !5
  %25 = icmp eq i8 %22, %24
  %26 = zext i1 %25 to i32
  %27 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #6
  %28 = load i8, ptr %27, align 1, !tbaa !5
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 2) #6
  %30 = load i8, ptr %29, align 1, !tbaa !5
  %31 = icmp eq i8 %28, %30
  %32 = zext i1 %31 to i32
  %spec.select.1 = add nuw nsw i32 %26, %32
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 2) #6
  %34 = load i8, ptr %33, align 1, !tbaa !5
  %35 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 1) #6
  %36 = load i8, ptr %35, align 1, !tbaa !5
  %37 = icmp eq i8 %34, %36
  %38 = zext i1 %37 to i32
  %spec.select.2 = add nuw nsw i32 %spec.select.1, %38
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 3) #6
  %40 = load i8, ptr %39, align 1, !tbaa !5
  %41 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 0) #6
  %42 = load i8, ptr %41, align 1, !tbaa !5
  %43 = icmp eq i8 %40, %42
  %44 = zext i1 %43 to i32
  %spec.select.3 = add nuw nsw i32 %spec.select.2, %44
  %45 = icmp eq i32 %spec.select.3, 4
  br i1 %45, label %71, label %83

46:                                               ; preds = %0
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %98

48:                                               ; preds = %14
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %52

50:                                               ; preds = %15
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  br label %52

52:                                               ; preds = %50, %48
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  br label %97

53:                                               ; preds = %.preheader37
  %54 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #6
  %55 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %54)
          to label %56 unwind label %67

56:                                               ; preds = %53
  %57 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 2) #6
  %58 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %57)
          to label %59 unwind label %67

59:                                               ; preds = %56
  %60 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 3) #6
  %61 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 1 dereferenceable(1) %60)
          to label %62 unwind label %67

62:                                               ; preds = %59
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #6
  %63 = call noundef i64 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %64 = shl i64 %63, 32
  %sext = add i64 %64, -4294967296
  %65 = ashr exact i64 %sext, 32
  %66 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %65) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %66)
          to label %.preheader.preheader unwind label %69

67:                                               ; preds = %59, %56, %53, %.preheader37
  %68 = landingpad { ptr, i32 }
          cleanup
  br label %97

69:                                               ; preds = %62
  %70 = landingpad { ptr, i32 }
          cleanup
  br label %90

71:                                               ; preds = %.preheader.preheader
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  %72 = call noundef zeroext i1 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br i1 %72, label %73, label %81

73:                                               ; preds = %71
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #6
  store <4 x i8> <i8 70, i8 65, i8 67, i8 69>, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt6vectorIcSaIcEEC2ESt16initializer_listIcERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr nonnull %11, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %74 unwind label %76

74:                                               ; preds = %73
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %10)
          to label %75 unwind label %78

75:                                               ; preds = %74
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #6
  br label %81

76:                                               ; preds = %73
  %77 = landingpad { ptr, i32 }
          cleanup
  br label %80

78:                                               ; preds = %74
  %79 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  br label %80

80:                                               ; preds = %78, %76
  %.pn30 = phi { ptr, i32 } [ %79, %78 ], [ %77, %76 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #6
  br label %89

81:                                               ; preds = %75, %71
  %82 = add nsw i32 %.048, 1
  br label %86

83:                                               ; preds = %.preheader.preheader
  invoke void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %86 unwind label %84

84:                                               ; preds = %83
  %85 = landingpad { ptr, i32 }
          cleanup
  br label %89

86:                                               ; preds = %83, %81
  %.1 = phi i32 [ %82, %81 ], [ %.048, %83 ]
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #6
  %87 = load i32, ptr %1, align 4, !tbaa !8
  %88 = add nsw i32 %87, -1
  store i32 %88, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %87, 0
  br i1 %.not, label %._crit_edge, label %.preheader37, !llvm.loop !10

89:                                               ; preds = %84, %80
  %.pn30.pn = phi { ptr, i32 } [ %.pn30, %80 ], [ %85, %84 ]
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  br label %90

90:                                               ; preds = %89, %69
  %.pn30.pn.pn = phi { ptr, i32 } [ %.pn30.pn, %89 ], [ %70, %69 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #6
  br label %97

._crit_edge:                                      ; preds = %86, %16
  %.0.lcssa = phi i32 [ 0, %16 ], [ %.1, %86 ]
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.0.lcssa)
          to label %92 unwind label %95

92:                                               ; preds = %._crit_edge
  %93 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %91, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %94 unwind label %95

94:                                               ; preds = %92
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

95:                                               ; preds = %92, %._crit_edge
  %96 = landingpad { ptr, i32 }
          cleanup
  br label %97

97:                                               ; preds = %95, %90, %67, %52
  %.pn34 = phi { ptr, i32 } [ %68, %67 ], [ %.pn30.pn.pn, %90 ], [ %96, %95 ], [ %.pn, %52 ]
  call void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %98

98:                                               ; preds = %97, %46
  %.pn34.pn = phi { ptr, i32 } [ %.pn34, %97 ], [ %47, %46 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn34.pn
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 @_ZNSt6vectorIcSaIcEEC2EmRKcRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; 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 @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2ESt16initializer_listIcERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt6vectorIcSaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IcSaIcEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIcSaIcEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIS_IcSaIcEESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IcSaIcEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 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 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 = { "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 = { 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 = { 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SLPVectorizerPass,SROAPass,SimplifyCFGPass