; LLVM IR from viveakrt/Competitive-programing :: Codeforces (1579D_Productive_Meeting)

; 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::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::priority_queue", align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"struct.std::pair", align 4
  %12 = alloca %"struct.std::pair", align 4
  %13 = alloca %"struct.std::pair", align 4
  %14 = alloca ptr, align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"struct.std::pair", align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  %18 = 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 %19

19:                                               ; preds = %154, %0
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, -1
  store i32 %21, ptr %2, align 4, !tbaa !5
  %22 = icmp ne i32 %20, 0
  br i1 %22, label %23, label %157

23:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #8
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %25 unwind label %31

25:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  store i32 1, ptr %7, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %40, %25
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = icmp sle i32 %27, %28
  br i1 %29, label %35, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %52

31:                                               ; preds = %23
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %5, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %6, align 4
  br label %156

35:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %37 unwind label %43

37:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #8
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %9, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %38 unwind label %47

38:                                               ; preds = %37
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %3, ptr noundef nonnull align 4 dereferenceable(8) %9)
          to label %39 unwind label %47

39:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  br label %40

40:                                               ; preds = %39
  %41 = load i32, ptr %7, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %7, align 4, !tbaa !5
  br label %26, !llvm.loop !9

43:                                               ; preds = %35
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %5, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %6, align 4
  br label %51

47:                                               ; preds = %38, %37
  %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
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  br label %51

51:                                               ; preds = %47, %43
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  br label %156

52:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #8
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  br label %53

53:                                               ; preds = %116, %52
  %54 = invoke noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %55 unwind label %63

55:                                               ; preds = %53
  %56 = zext i1 %54 to i32
  %57 = icmp eq i32 %56, 0
  br i1 %57, label %58, label %119

58:                                               ; preds = %55
  %59 = invoke noundef i64 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %60 unwind label %63

60:                                               ; preds = %58
  %61 = icmp ult i64 %59, 2
  br i1 %61, label %62, label %67

62:                                               ; preds = %60
  br label %119

63:                                               ; preds = %122, %119, %58, %53
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %5, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %6, align 4
  br label %155

67:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #8
  %68 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %69 unwind label %92

69:                                               ; preds = %67
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 4 %68, i64 8, i1 false)
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %70 unwind label %92

70:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #8
  %71 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %72 unwind label %96

72:                                               ; preds = %70
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 4 %71, i64 8, i1 false)
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %73 unwind label %96

73:                                               ; preds = %72
  %74 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %75 = load i32, ptr %74, align 4, !tbaa !11
  %76 = icmp ne i32 %75, 0
  br i1 %76, label %77, label %104

77:                                               ; preds = %73
  %78 = getelementptr inbounds %"struct.std::pair", ptr %12, i32 0, i32 0
  %79 = load i32, ptr %78, align 4, !tbaa !11
  %80 = icmp ne i32 %79, 0
  br i1 %80, label %81, label %104

81:                                               ; preds = %77
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #8
  %82 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 1
  %83 = getelementptr inbounds %"struct.std::pair", ptr %12, i32 0, i32 1
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %82, ptr noundef nonnull align 4 dereferenceable(4) %83)
          to label %84 unwind label %100

84:                                               ; preds = %81
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 4 dereferenceable(8) %13)
          to label %85 unwind label %100

85:                                               ; preds = %84
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #8
  %86 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %87 = load i32, ptr %86, align 4, !tbaa !11
  %88 = add nsw i32 %87, -1
  store i32 %88, ptr %86, align 4, !tbaa !11
  %89 = getelementptr inbounds %"struct.std::pair", ptr %12, i32 0, i32 0
  %90 = load i32, ptr %89, align 4, !tbaa !11
  %91 = add nsw i32 %90, -1
  store i32 %91, ptr %89, align 4, !tbaa !11
  br label %104

92:                                               ; preds = %69, %67
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %5, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %6, align 4
  br label %118

96:                                               ; preds = %114, %108, %72, %70
  %97 = landingpad { ptr, i32 }
          cleanup
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %5, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %6, align 4
  br label %117

100:                                              ; preds = %84, %81
  %101 = landingpad { ptr, i32 }
          cleanup
  %102 = extractvalue { ptr, i32 } %101, 0
  store ptr %102, ptr %5, align 8
  %103 = extractvalue { ptr, i32 } %101, 1
  store i32 %103, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #8
  br label %117

104:                                              ; preds = %85, %77, %73
  %105 = getelementptr inbounds %"struct.std::pair", ptr %11, i32 0, i32 0
  %106 = load i32, ptr %105, align 4, !tbaa !11
  %107 = icmp ne i32 %106, 0
  br i1 %107, label %108, label %110

108:                                              ; preds = %104
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(25) %3, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %109 unwind label %96

109:                                              ; preds = %108
  br label %110

110:                                              ; preds = %109, %104
  %111 = getelementptr inbounds %"struct.std::pair", ptr %12, i32 0, i32 0
  %112 = load i32, ptr %111, align 4, !tbaa !11
  %113 = icmp ne i32 %112, 0
  br i1 %113, label %114, label %116

114:                                              ; preds = %110
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(25) %3, ptr noundef nonnull align 4 dereferenceable(8) %12)
          to label %115 unwind label %96

115:                                              ; preds = %114
  br label %116

116:                                              ; preds = %115, %110
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  br label %53, !llvm.loop !13

117:                                              ; preds = %100, %96
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #8
  br label %118

118:                                              ; preds = %117, %92
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #8
  br label %155

119:                                              ; preds = %62, %55
  %120 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  %121 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %120)
          to label %122 unwind label %63

122:                                              ; preds = %119
  %123 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %121, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %124 unwind label %63

124:                                              ; preds = %122
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #8
  store ptr %10, ptr %14, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #8
  %125 = load ptr, ptr %14, align 8, !tbaa !14
  %126 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %125) #8
  %127 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %126, ptr %127, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #8
  %128 = load ptr, ptr %14, align 8, !tbaa !14
  %129 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %128) #8
  %130 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %129, ptr %130, align 8
  br label %131

131:                                              ; preds = %148, %124
  %132 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #8
  br i1 %132, label %134, label %133

133:                                              ; preds = %131
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #8
  br label %154

134:                                              ; preds = %131
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #8
  %135 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 4 %135, i64 8, i1 false)
  %136 = getelementptr inbounds %"struct.std::pair", ptr %17, i32 0, i32 0
  %137 = load i32, ptr %136, align 4, !tbaa !11
  %138 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %137)
          to label %139 unwind label %150

139:                                              ; preds = %134
  %140 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %138, ptr noundef @.str)
          to label %141 unwind label %150

141:                                              ; preds = %139
  %142 = getelementptr inbounds %"struct.std::pair", ptr %17, i32 0, i32 1
  %143 = load i32, ptr %142, align 4, !tbaa !16
  %144 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %140, i32 noundef %143)
          to label %145 unwind label %150

145:                                              ; preds = %141
  %146 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %144, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %147 unwind label %150

147:                                              ; preds = %145
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  br label %148

148:                                              ; preds = %147
  %149 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #8
  br label %131

150:                                              ; preds = %145, %141, %139, %134
  %151 = landingpad { ptr, i32 }
          cleanup
  %152 = extractvalue { ptr, i32 } %151, 0
  store ptr %152, ptr %5, align 8
  %153 = extractvalue { ptr, i32 } %151, 1
  store i32 %153, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #8
  br label %155

154:                                              ; preds = %133
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #8
  br label %19, !llvm.loop !17

155:                                              ; preds = %150, %118, %63
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #8
  br label %156

156:                                              ; preds = %155, %51, %31
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %158

157:                                              ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  ret i32 0

158:                                              ; preds = %156
  %159 = load ptr, ptr %5, align 8
  %160 = load i32, ptr %6, align 4
  %161 = insertvalue { ptr, i32 } poison, ptr %159, 0
  %162 = insertvalue { ptr, i32 } %161, i32 %160, 1
  resume { ptr, i32 } %162
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #3 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 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) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #7 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { 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 #7 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #8 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = distinct !{!13, !10}
!14 = !{!15, !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!12, !6, i64 4}
!17 = distinct !{!17, !10}


; 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::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::priority_queue", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %14 = load i32, ptr %1, align 4, !tbaa !5
  %15 = add nsw i32 %14, -1
  store i32 %15, ptr %1, align 4, !tbaa !5
  %.not28 = icmp eq i32 %14, 0
  br i1 %.not28, label %._crit_edge31, label %.lr.ph30

.lr.ph30:                                         ; preds = %0
  %16 = getelementptr inbounds i8, ptr %8, i64 4
  %17 = getelementptr inbounds i8, ptr %9, i64 4
  br label %18

18:                                               ; preds = %.lr.ph30, %._crit_edge27
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #7
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %19 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %20 unwind label %23

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 1, ptr %4, align 4, !tbaa !5
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %.not1020 = icmp slt i32 %21, 1
  br i1 %.not1020, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %27, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  %22 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
  br i1 %22, label %._crit_edge23, label %.lr.ph22

23:                                               ; preds = %18
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %98

.lr.ph:                                           ; preds = %20, %27
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %26 unwind label %31

26:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %4)
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %2, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %27 unwind label %33

27:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %4, align 4, !tbaa !5
  %30 = load i32, ptr %3, align 4, !tbaa !5
  %.not10.not = icmp slt i32 %28, %30
  br i1 %.not10.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9

31:                                               ; preds = %.lr.ph
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %35

33:                                               ; preds = %26
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %35

35:                                               ; preds = %33, %31
  %.pn17 = phi { ptr, i32 } [ %34, %33 ], [ %32, %31 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %98

.lr.ph22:                                         ; preds = %._crit_edge, %70
  %36 = call noundef i64 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
  %37 = icmp ult i64 %36, 2
  br i1 %37, label %._crit_edge23, label %40

38:                                               ; preds = %76, %._crit_edge23
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %97

40:                                               ; preds = %.lr.ph22
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #7
  %41 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
  %42 = load i64, ptr %41, align 4
  store i64 %42, ptr %8, align 8
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
          to label %43 unwind label %57

43:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #7
  %44 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
  %45 = load i64, ptr %44, align 4
  store i64 %45, ptr %9, align 8
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
          to label %46 unwind label %59

46:                                               ; preds = %43
  %47 = load i32, ptr %8, align 8, !tbaa !11
  %48 = icmp ne i32 %47, 0
  %49 = load i32, ptr %9, align 8
  %50 = icmp ne i32 %49, 0
  %or.cond = select i1 %48, i1 %50, i1 false
  br i1 %or.cond, label %51, label %63

51:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %17)
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %52 unwind label %61

52:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  %53 = load i32, ptr %8, align 8, !tbaa !11
  %54 = add nsw i32 %53, -1
  store i32 %54, ptr %8, align 8, !tbaa !11
  %55 = load i32, ptr %9, align 8, !tbaa !11
  %56 = add nsw i32 %55, -1
  store i32 %56, ptr %9, align 8, !tbaa !11
  br label %63

57:                                               ; preds = %40
  %58 = landingpad { ptr, i32 }
          cleanup
  br label %73

59:                                               ; preds = %69, %66, %43
  %60 = landingpad { ptr, i32 }
          cleanup
  br label %72

61:                                               ; preds = %51
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %72

63:                                               ; preds = %52, %46
  %64 = phi i32 [ %56, %52 ], [ %49, %46 ]
  %65 = phi i32 [ %54, %52 ], [ %47, %46 ]
  %.not11 = icmp eq i32 %65, 0
  br i1 %.not11, label %67, label %66

66:                                               ; preds = %63
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(25) %2, ptr noundef nonnull align 4 dereferenceable(8) %8)
          to label %._crit_edge32 unwind label %59

._crit_edge32:                                    ; preds = %66
  %.pre = load i32, ptr %9, align 8, !tbaa !11
  br label %67

67:                                               ; preds = %._crit_edge32, %63
  %68 = phi i32 [ %.pre, %._crit_edge32 ], [ %64, %63 ]
  %.not12 = icmp eq i32 %68, 0
  br i1 %.not12, label %70, label %69

69:                                               ; preds = %67
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(25) %2, ptr noundef nonnull align 4 dereferenceable(8) %9)
          to label %70 unwind label %59

70:                                               ; preds = %69, %67
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  %71 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %2)
  br i1 %71, label %._crit_edge23, label %.lr.ph22, !llvm.loop !13

72:                                               ; preds = %61, %59
  %.pn = phi { ptr, i32 } [ %60, %59 ], [ %62, %61 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #7
  br label %73

73:                                               ; preds = %72, %57
  %.pn.pn = phi { ptr, i32 } [ %.pn, %72 ], [ %58, %57 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #7
  br label %97

._crit_edge23:                                    ; preds = %70, %.lr.ph22, %._crit_edge
  %74 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %74)
          to label %76 unwind label %38

76:                                               ; preds = %._crit_edge23
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %78 unwind label %38

78:                                               ; preds = %76
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %79 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %79, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #7
  %80 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  store ptr %80, ptr %12, align 8
  %81 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  br i1 %81, label %.lr.ph26, label %._crit_edge27

._crit_edge27:                                    ; preds = %92, %78
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  %82 = load i32, ptr %1, align 4, !tbaa !5
  %83 = add nsw i32 %82, -1
  store i32 %83, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %82, 0
  br i1 %.not, label %._crit_edge31, label %18, !llvm.loop !14

.lr.ph26:                                         ; preds = %78, %92
  %84 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  %.sroa.0.0.copyload = load i32, ptr %84, align 4
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %84, i64 4
  %.sroa.5.0.copyload = load i32, ptr %.sroa.5.0..sroa_idx, align 4
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.sroa.0.0.copyload)
          to label %86 unwind label %95

86:                                               ; preds = %.lr.ph26
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %85, ptr noundef nonnull @.str)
          to label %88 unwind label %95

88:                                               ; preds = %86
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %87, i32 noundef %.sroa.5.0.copyload)
          to label %90 unwind label %95

90:                                               ; preds = %88
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %89, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %92 unwind label %95

92:                                               ; preds = %90
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  %94 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  br i1 %94, label %.lr.ph26, label %._crit_edge27

95:                                               ; preds = %90, %88, %86, %.lr.ph26
  %96 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  br label %97

97:                                               ; preds = %95, %73, %38
  %.pn15 = phi { ptr, i32 } [ %96, %95 ], [ %39, %38 ], [ %.pn.pn, %73 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  br label %98

98:                                               ; preds = %97, %35, %23
  %.pn17.pn = phi { ptr, i32 } [ %.pn17, %35 ], [ %.pn15, %97 ], [ %24, %23 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %2) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn17.pn

._crit_edge31:                                    ; preds = %._crit_edge27, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EE4pushERKS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt4lessIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #6 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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