; LLVM IR from Izaron/ACM-ICPC :: Timus Online Judge/Volume 5/1414. Astronomical Database (main)

; 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_ostream" = type { ptr, %"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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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::allocator.0" = type { i8 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca [64 x i8], align 16
  %3 = alloca %"class.std::set", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator.0", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca %"class.std::allocator.0", align 1
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %16 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %17 = alloca i32, align 4
  %18 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 64, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr %3) #6
  call void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %19 unwind label %46

19:                                               ; preds = %0
  %20 = invoke { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %21 unwind label %50

21:                                               ; preds = %19
  %22 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 0
  %23 = extractvalue { ptr, i8 } %20, 0
  store ptr %23, ptr %22, align 8
  %24 = getelementptr inbounds { ptr, i8 }, ptr %8, i32 0, i32 1
  %25 = extractvalue { ptr, i8 } %20, 1
  store i8 %25, ptr %24, align 8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  br label %26

26:                                               ; preds = %134, %21
  %27 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %2)
          to label %28 unwind label %55

28:                                               ; preds = %26
  %29 = icmp ne i32 %27, -1
  br i1 %29, label %30, label %137

30:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #6
  %31 = getelementptr inbounds [64 x i8], ptr %2, i64 0, i64 0
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef %31, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %32 unwind label %59

32:                                               ; preds = %30
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  %33 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef 0)
          to label %34 unwind label %63

34:                                               ; preds = %32
  %35 = load i8, ptr %33, align 1, !tbaa !5
  %36 = sext i8 %35 to i32
  %37 = icmp eq i32 %36, 43
  br i1 %37, label %38, label %76

38:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #6
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef 1, i64 noundef -1)
          to label %39 unwind label %67

39:                                               ; preds = %38
  %40 = invoke { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %41 unwind label %71

41:                                               ; preds = %39
  %42 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 0
  %43 = extractvalue { ptr, i8 } %40, 0
  store ptr %43, ptr %42, align 8
  %44 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 1
  %45 = extractvalue { ptr, i8 } %40, 1
  store i8 %45, ptr %44, align 8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  br label %134

46:                                               ; preds = %0
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %6, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %7, align 4
  br label %54

50:                                               ; preds = %19
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %6, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  br label %54

54:                                               ; preds = %50, %46
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  br label %139

55:                                               ; preds = %26
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %7, align 4
  br label %139

59:                                               ; preds = %30
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %6, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #6
  br label %136

63:                                               ; preds = %76, %32
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %6, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %7, align 4
  br label %135

67:                                               ; preds = %38
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %6, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %7, align 4
  br label %75

71:                                               ; preds = %39
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %6, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %7, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  br label %75

75:                                               ; preds = %71, %67
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  br label %135

76:                                               ; preds = %34
  %77 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef 0)
          to label %78 unwind label %63

78:                                               ; preds = %76
  %79 = load i8, ptr %77, align 1, !tbaa !5
  %80 = sext i8 %79 to i32
  %81 = icmp eq i32 %80, 63
  br i1 %81, label %82, label %133

82:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #6
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %14, ptr noundef nonnull align 8 dereferenceable(32) %9, i64 noundef 1, i64 noundef -1)
          to label %83 unwind label %95

83:                                               ; preds = %82
  %84 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %85 unwind label %99

85:                                               ; preds = %83
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %84, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %87 unwind label %99

87:                                               ; preds = %85
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %88 = call ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  %89 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %15, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  br label %90

90:                                               ; preds = %126, %87
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %91 = call ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  %92 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %16, i32 0, i32 0
  store ptr %91, ptr %92, align 8
  %93 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br i1 %93, label %103, label %94

94:                                               ; preds = %90
  store i32 4, ptr %17, align 4
  br label %129

95:                                               ; preds = %82
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %6, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %7, align 4
  br label %132

99:                                               ; preds = %85, %83
  %100 = landingpad { ptr, i32 }
          cleanup
  %101 = extractvalue { ptr, i32 } %100, 0
  store ptr %101, ptr %6, align 8
  %102 = extractvalue { ptr, i32 } %100, 1
  store i32 %102, ptr %7, align 4
  br label %131

103:                                              ; preds = %90
  %104 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  %105 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32) %104, ptr noundef nonnull align 8 dereferenceable(32) %14, i64 noundef 0) #6
  %106 = icmp eq i64 %105, 0
  br i1 %106, label %107, label %125

107:                                              ; preds = %103
  %108 = load i32, ptr %13, align 4, !tbaa !8
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %13, align 4, !tbaa !8
  %110 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
          to label %111 unwind label %120

111:                                              ; preds = %107
  %112 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  %113 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %110, ptr noundef nonnull align 8 dereferenceable(32) %112)
          to label %114 unwind label %120

114:                                              ; preds = %111
  %115 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %113, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %116 unwind label %120

116:                                              ; preds = %114
  %117 = load i32, ptr %13, align 4, !tbaa !8
  %118 = icmp eq i32 %117, 20
  br i1 %118, label %119, label %124

119:                                              ; preds = %116
  store i32 4, ptr %17, align 4
  br label %129

120:                                              ; preds = %114, %111, %107
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %6, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %131

124:                                              ; preds = %116
  br label %125

125:                                              ; preds = %124, %103
  br label %126

126:                                              ; preds = %125
  %127 = call ptr @_ZNSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %15, i32 noundef 0) #6
  %128 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %18, i32 0, i32 0
  store ptr %127, ptr %128, align 8
  br label %90, !llvm.loop !10

129:                                              ; preds = %119, %94
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %130

130:                                              ; preds = %129
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %133

131:                                              ; preds = %120, %99
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #6
  br label %132

132:                                              ; preds = %131, %95
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %135

133:                                              ; preds = %130, %78
  br label %134

134:                                              ; preds = %133, %41
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #6
  br label %26, !llvm.loop !12

135:                                              ; preds = %132, %75, %63
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #6
  br label %136

136:                                              ; preds = %135, %59
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #6
  br label %139

137:                                              ; preds = %28
  call void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr %2) #6
  %138 = load i32, ptr %1, align 4
  ret i32 %138

139:                                              ; preds = %136, %55, %54
  call void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr %2) #6
  br label %140

140:                                              ; preds = %139
  %141 = load ptr, ptr %6, align 8
  %142 = load i32, ptr %7, align 4
  %143 = insertvalue { ptr, i32 } poison, ptr %141, 0
  %144 = insertvalue { ptr, i32 } %143, i32 %142, 1
  resume { ptr, i32 } %144
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

; 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 void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 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 ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #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 nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

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

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 #4 = { "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"}
!12 = distinct !{!12, !11}


; 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_ostream" = type { ptr, %"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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char>, std::_Identity<std::__cxx11::basic_string<char>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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::allocator.0" = type { i8 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca [64 x i8], align 16
  %2 = alloca %"class.std::set", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator.0", align 1
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::allocator.0", align 1
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %10 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %2) #6
  call void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %11 unwind label %23

11:                                               ; preds = %0
  %12 = invoke { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %13 unwind label %25

13:                                               ; preds = %11
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  %.not28 = icmp eq i32 %14, -1
  br i1 %.not28, label %._crit_edge31, label %.lr.ph30

.lr.ph30:                                         ; preds = %13, %73
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull %1, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %15 unwind label %28

15:                                               ; preds = %.lr.ph30
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  %16 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef 0)
  %17 = load i8, ptr %16, align 1, !tbaa !5
  %18 = icmp eq i8 %17, 43
  br i1 %18, label %19, label %35

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #6
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %7, ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef 1, i64 noundef -1)
          to label %20 unwind label %30

20:                                               ; preds = %19
  %21 = invoke { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48) %2, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %22 unwind label %32

22:                                               ; preds = %20
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #6
  br label %73

23:                                               ; preds = %0
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %27

25:                                               ; preds = %11
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  br label %27

27:                                               ; preds = %25, %23
  %.pn = phi { ptr, i32 } [ %26, %25 ], [ %24, %23 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  br label %77

28:                                               ; preds = %.lr.ph30
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  br label %76

30:                                               ; preds = %19
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %34

32:                                               ; preds = %20
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  br label %34

34:                                               ; preds = %32, %30
  %.pn21 = phi { ptr, i32 } [ %33, %32 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #6
  br label %75

35:                                               ; preds = %15
  %36 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef 0)
  %37 = load i8, ptr %36, align 1, !tbaa !5
  %38 = icmp eq i8 %37, 63
  br i1 %38, label %39, label %73

39:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #6
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %5, i64 noundef 1, i64 noundef -1)
          to label %40 unwind label %48

40:                                               ; preds = %39
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %42 unwind label %50

42:                                               ; preds = %40
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %41, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %44 unwind label %50

44:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %45 = call ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  store ptr %45, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %46 = call ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  store ptr %46, ptr %10, align 8
  %47 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  br i1 %47, label %.lr.ph, label %._crit_edge

48:                                               ; preds = %39
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %72

50:                                               ; preds = %42, %40
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %71

.lr.ph:                                           ; preds = %44, %67
  %.0726 = phi i32 [ %.18, %67 ], [ 0, %44 ]
  %52 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  %53 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32) %52, ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef 0) #6
  %54 = icmp eq i64 %53, 0
  br i1 %54, label %55, label %67

55:                                               ; preds = %.lr.ph
  %56 = add nsw i32 %.0726, 1
  %57 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.2)
          to label %58 unwind label %65

58:                                               ; preds = %55
  %59 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %57, ptr noundef nonnull align 8 dereferenceable(32) %59)
          to label %61 unwind label %65

61:                                               ; preds = %58
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %63 unwind label %65

63:                                               ; preds = %61
  %64 = icmp eq i32 %56, 20
  br i1 %64, label %._crit_edge, label %67

65:                                               ; preds = %61, %58, %55
  %66 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  br label %71

67:                                               ; preds = %.lr.ph, %63
  %.18 = phi i32 [ %56, %63 ], [ %.0726, %.lr.ph ]
  %68 = call ptr @_ZNSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %9, i32 noundef 0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #6
  %69 = call ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  store ptr %69, ptr %10, align 8
  %70 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #6
  br i1 %70, label %.lr.ph, label %._crit_edge, !llvm.loop !8

._crit_edge:                                      ; preds = %67, %63, %44
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #6
  br label %73

71:                                               ; preds = %65, %50
  %.pn18 = phi { ptr, i32 } [ %66, %65 ], [ %51, %50 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  br label %72

72:                                               ; preds = %71, %48
  %.pn18.pn = phi { ptr, i32 } [ %.pn18, %71 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #6
  br label %75

73:                                               ; preds = %35, %._crit_edge, %22
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #6
  %74 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  %.not = icmp eq i32 %74, -1
  br i1 %.not, label %._crit_edge31, label %.lr.ph30, !llvm.loop !10

75:                                               ; preds = %72, %34
  %.pn21.pn = phi { ptr, i32 } [ %.pn21, %34 ], [ %.pn18.pn, %72 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  br label %76

76:                                               ; preds = %75, %28
  %.pn21.pn.pn = phi { ptr, i32 } [ %.pn21.pn, %75 ], [ %29, %28 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #6
  br label %77

._crit_edge31:                                    ; preds = %73, %13
  call void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %1) #6
  ret i32 0

77:                                               ; preds = %76, %27
  %.pn21.pn.pn.pn = phi { ptr, i32 } [ %.pn21.pn.pn, %76 ], [ %.pn, %27 ]
  call void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %2) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn21.pn.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE6insertEOS5_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; 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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; 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 void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5

; 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 #3 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 ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findERKS4_m(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) 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 nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4lessIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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 #4 = { nofree nounwind "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 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}


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