; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Company Contests/Cisco iCode/2016/Problem C (C)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i8, i32 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z1dRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorISt4pairIciESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(24)) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca i8, align 1
  %13 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %14 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %15 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %16 = getelementptr i8, ptr %15, i64 -24
  %17 = load i64, ptr %16, align 8
  %18 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %17
  %19 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %18, ptr noundef null)
  %20 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %21 = getelementptr i8, ptr %20, i64 -24
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %22
  %24 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %23, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %25 = 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)
  br label %26

26:                                               ; preds = %131, %129, %0
  %27 = load i32, ptr %2, align 4, !tbaa !8
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %2, align 4, !tbaa !8
  %29 = icmp ne i32 %27, 0
  br i1 %29, label %30, label %135

30:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %32 unwind label %47

32:                                               ; preds = %30
  %33 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %34 unwind label %47

34:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %35 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %36 = trunc i64 %35 to i32
  store i32 %36, ptr %7, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  %37 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %38 = trunc i64 %37 to i32
  store i32 %38, ptr %8, align 4, !tbaa !8
  %39 = load i32, ptr %7, align 4, !tbaa !8
  %40 = load i32, ptr %8, align 4, !tbaa !8
  %41 = icmp slt i32 %39, %40
  br i1 %41, label %42, label %55

42:                                               ; preds = %34
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %44 unwind label %51

44:                                               ; preds = %42
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %43, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %46 unwind label %51

46:                                               ; preds = %44
  store i32 2, ptr %9, align 4
  br label %129, !llvm.loop !11

47:                                               ; preds = %32, %30
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %5, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %6, align 4
  br label %134

51:                                               ; preds = %44, %42
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %5, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %6, align 4
  br label %133

55:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  invoke void @_Z1dRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorISt4pairIciESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(24) %10)
          to label %56 unwind label %66

56:                                               ; preds = %55
  invoke void @_Z1dRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorISt4pairIciESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(24) %11)
          to label %57 unwind label %66

57:                                               ; preds = %56
  %58 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  %59 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %60 = icmp ne i64 %58, %59
  br i1 %60, label %61, label %70

61:                                               ; preds = %57
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %63 unwind label %66

63:                                               ; preds = %61
  %64 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %62, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %65 unwind label %66

65:                                               ; preds = %63
  store i32 2, ptr %9, align 4
  br label %128, !llvm.loop !11

66:                                               ; preds = %63, %61, %56, %55
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %5, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %6, align 4
  br label %132

70:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #6
  store i8 1, ptr %12, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !8
  br label %71

71:                                               ; preds = %107, %70
  %72 = load i32, ptr %13, align 4, !tbaa !8
  %73 = sext i32 %72 to i64
  %74 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  %75 = icmp ult i64 %73, %74
  br i1 %75, label %77, label %76

76:                                               ; preds = %71
  store i32 4, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %110

77:                                               ; preds = %71
  %78 = load i32, ptr %13, align 4, !tbaa !8
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %79) #6
  %81 = getelementptr inbounds %"struct.std::pair", ptr %80, i32 0, i32 0
  %82 = load i8, ptr %81, align 4, !tbaa !15
  %83 = sext i8 %82 to i32
  %84 = load i32, ptr %13, align 4, !tbaa !8
  %85 = sext i32 %84 to i64
  %86 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %85) #6
  %87 = getelementptr inbounds %"struct.std::pair", ptr %86, i32 0, i32 0
  %88 = load i8, ptr %87, align 4, !tbaa !15
  %89 = sext i8 %88 to i32
  %90 = icmp ne i32 %83, %89
  br i1 %90, label %91, label %92

91:                                               ; preds = %77
  store i8 0, ptr %12, align 1, !tbaa !13
  br label %106

92:                                               ; preds = %77
  %93 = load i32, ptr %13, align 4, !tbaa !8
  %94 = sext i32 %93 to i64
  %95 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %94) #6
  %96 = getelementptr inbounds %"struct.std::pair", ptr %95, i32 0, i32 1
  %97 = load i32, ptr %96, align 4, !tbaa !17
  %98 = load i32, ptr %13, align 4, !tbaa !8
  %99 = sext i32 %98 to i64
  %100 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %99) #6
  %101 = getelementptr inbounds %"struct.std::pair", ptr %100, i32 0, i32 1
  %102 = load i32, ptr %101, align 4, !tbaa !17
  %103 = icmp slt i32 %97, %102
  br i1 %103, label %104, label %105

104:                                              ; preds = %92
  store i8 0, ptr %12, align 1, !tbaa !13
  br label %105

105:                                              ; preds = %104, %92
  br label %106

106:                                              ; preds = %105, %91
  br label %107

107:                                              ; preds = %106
  %108 = load i32, ptr %13, align 4, !tbaa !8
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %13, align 4, !tbaa !8
  br label %71, !llvm.loop !18

110:                                              ; preds = %76
  %111 = load i8, ptr %12, align 1, !tbaa !13, !range !19, !noundef !20
  %112 = trunc i8 %111 to i1
  br i1 %112, label %113, label %122

113:                                              ; preds = %110
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %115 unwind label %118

115:                                              ; preds = %113
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %114, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %117 unwind label %118

117:                                              ; preds = %115
  br label %127

118:                                              ; preds = %124, %122, %115, %113
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %5, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  br label %132

122:                                              ; preds = %110
  %123 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %124 unwind label %118

124:                                              ; preds = %122
  %125 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %123, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %126 unwind label %118

126:                                              ; preds = %124
  br label %127

127:                                              ; preds = %126, %117
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  store i32 0, ptr %9, align 4
  br label %128

128:                                              ; preds = %127, %65
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  br label %129

129:                                              ; preds = %128, %46
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  %130 = load i32, ptr %9, align 4
  switch i32 %130, label %142 [
    i32 0, label %131
    i32 2, label %26
  ]

131:                                              ; preds = %129
  br label %26, !llvm.loop !11

132:                                              ; preds = %118, %66
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  br label %133

133:                                              ; preds = %132, %51
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %134

134:                                              ; preds = %133, %47
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %137

135:                                              ; preds = %26
  store i32 0, ptr %1, align 4
  store i32 1, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %136 = load i32, ptr %1, align 4
  ret i32 %136

137:                                              ; preds = %134
  %138 = load ptr, ptr %5, align 8
  %139 = load i32, ptr %6, align 4
  %140 = insertvalue { ptr, i32 } poison, ptr %138, 0
  %141 = insertvalue { ptr, i32 } %140, i32 %139, 1
  resume { ptr, i32 } %141

142:                                              ; preds = %129
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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 @_ZNSt6vectorISt4pairIciESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !10, i64 0}
!15 = !{!16, !10, i64 0}
!16 = !{!"_ZTSSt4pairIciE", !10, i64 0, !9, i64 4}
!17 = !{!16, !9, i64 4}
!18 = distinct !{!18, !12}
!19 = !{i8 0, i8 2}
!20 = !{}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<char, int>, std::allocator<std::pair<char, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z1dRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorISt4pairIciESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0

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

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %7 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %8 = getelementptr i8, ptr %7, i64 -24
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %9
  %11 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %10, ptr noundef null)
  %12 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %13 = getelementptr i8, ptr %12, i64 -24
  %14 = load i64, ptr %13, align 8
  %15 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %14
  %16 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %15, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %17 = 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)
  %18 = load i32, ptr %1, align 4, !tbaa !8
  %19 = add nsw i32 %18, -1
  store i32 %19, ptr %1, align 4, !tbaa !8
  %.not26 = icmp eq i32 %18, 0
  br i1 %.not26, label %._crit_edge29, label %.lr.ph28

.lr.ph28:                                         ; preds = %0, %71
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %21 unwind label %33

21:                                               ; preds = %.lr.ph28
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %23 unwind label %33

23:                                               ; preds = %21
  %24 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %25 = trunc i64 %24 to i32
  %26 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %27 = trunc i64 %26 to i32
  %28 = icmp slt i32 %25, %27
  br i1 %28, label %29, label %37

29:                                               ; preds = %23
  %30 = 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)
          to label %31 unwind label %35

31:                                               ; preds = %29
  %32 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %30, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %71 unwind label %35, !llvm.loop !11

33:                                               ; preds = %21, %.lr.ph28
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %75

35:                                               ; preds = %31, %29
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %75

37:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  invoke void @_Z1dRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorISt4pairIciESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %38 unwind label %47

38:                                               ; preds = %37
  invoke void @_Z1dRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt6vectorISt4pairIciESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %39 unwind label %47

39:                                               ; preds = %38
  %40 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %41 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %.not18 = icmp eq i64 %40, %41
  br i1 %.not18, label %.preheader, label %43

.preheader:                                       ; preds = %39
  %42 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %.not30 = icmp eq i64 %42, 0
  br i1 %.not30, label %.critedge, label %.lr.ph

43:                                               ; preds = %39
  %44 = 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)
          to label %45 unwind label %47

45:                                               ; preds = %43
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %70 unwind label %47, !llvm.loop !11

47:                                               ; preds = %45, %43, %38, %37
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %74

._crit_edge:                                      ; preds = %53
  br i1 %spec.select, label %.critedge, label %._crit_edge.thread.invoke

.lr.ph:                                           ; preds = %.preheader, %.lr.ph.backedge
  %indvars.iv = phi i64 [ %indvars.iv.be, %.lr.ph.backedge ], [ 0, %.preheader ]
  %.01124 = phi i1 [ %.01124.be, %.lr.ph.backedge ], [ true, %.preheader ]
  %49 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #6
  %50 = load i8, ptr %49, align 4, !tbaa !13
  %51 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #6
  %52 = load i8, ptr %51, align 4, !tbaa !13
  %.not19 = icmp eq i8 %50, %52
  br i1 %.not19, label %53, label %.thread

53:                                               ; preds = %.lr.ph
  %54 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #6
  %55 = getelementptr inbounds i8, ptr %54, i64 4
  %56 = load i32, ptr %55, align 4, !tbaa !15
  %57 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #6
  %58 = getelementptr inbounds i8, ptr %57, i64 4
  %59 = load i32, ptr %58, align 4, !tbaa !15
  %60 = icmp sge i32 %56, %59
  %spec.select = select i1 %60, i1 %.01124, i1 false
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %61 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %62 = icmp ugt i64 %61, %indvars.iv.next
  br i1 %62, label %.lr.ph.backedge, label %._crit_edge

.lr.ph.backedge:                                  ; preds = %53, %.thread
  %indvars.iv.be = phi i64 [ %indvars.iv.next, %53 ], [ %indvars.iv.next32, %.thread ]
  %.01124.be = phi i1 [ %spec.select, %53 ], [ false, %.thread ]
  br label %.lr.ph, !llvm.loop !16

.thread:                                          ; preds = %.lr.ph
  %indvars.iv.next32 = add nuw nsw i64 %indvars.iv, 1
  %63 = call noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %64 = icmp ugt i64 %63, %indvars.iv.next32
  br i1 %64, label %.lr.ph.backedge, label %._crit_edge.thread.invoke

.critedge:                                        ; preds = %.preheader, %._crit_edge
  br label %._crit_edge.thread.invoke

65:                                               ; preds = %._crit_edge.thread.invoke, %.invoke
  %66 = landingpad { ptr, i32 }
          cleanup
  br label %74

._crit_edge.thread.invoke:                        ; preds = %.thread, %._crit_edge, %.critedge
  %67 = phi ptr [ @.str.1, %.critedge ], [ @.str, %._crit_edge ], [ @.str, %.thread ]
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %67)
          to label %.invoke unwind label %65

.invoke:                                          ; preds = %._crit_edge.thread.invoke
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %70 unwind label %65

70:                                               ; preds = %.invoke, %45
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %71

71:                                               ; preds = %31, %70
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  %72 = load i32, ptr %1, align 4, !tbaa !8
  %73 = add nsw i32 %72, -1
  store i32 %73, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %72, 0
  br i1 %.not, label %._crit_edge29, label %.lr.ph28

74:                                               ; preds = %65, %47
  %.pn = phi { ptr, i32 } [ %48, %47 ], [ %66, %65 ]
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %75

75:                                               ; preds = %35, %74, %33
  %.pn21.pn = phi { ptr, i32 } [ %34, %33 ], [ %36, %35 ], [ %.pn, %74 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn21.pn

._crit_edge29:                                    ; preds = %71, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

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 #4

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 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 @_ZNSt6vectorISt4pairIciESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIciESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIciESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIciESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTSSt4pairIciE", !10, i64 0, !9, i64 4}
!15 = !{!14, !9, i64 4}
!16 = distinct !{!16, !12}


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