; LLVM IR from DionysiosB/CodeForces :: 1833B-RestoreTheWeather (main)

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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i64, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.5" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [1 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 i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca %"struct.std::pair", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.std::vector.0", align 8
  %15 = alloca %"class.std::allocator.2", align 1
  %16 = alloca i64, align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator.5", align 8
  %19 = alloca %"class.std::vector.0", align 8
  %20 = alloca %"class.std::allocator.2", align 1
  %21 = alloca i64, align 8
  %22 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %24

24:                                               ; preds = %160, %0
  %25 = load i64, ptr %2, align 8, !tbaa !5
  %26 = add nsw i64 %25, -1
  store i64 %26, ptr %2, align 8, !tbaa !5
  %27 = icmp ne i64 %25, 0
  br i1 %27, label %28, label %171

28:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %29 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  %30 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %30, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %31 unwind label %37

31:                                               ; preds = %28
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %32

32:                                               ; preds = %53, %31
  %33 = load i64, ptr %9, align 8, !tbaa !5
  %34 = load i64, ptr %3, align 8, !tbaa !5
  %35 = icmp slt i64 %33, %34
  br i1 %35, label %41, label %36

36:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %65

37:                                               ; preds = %28
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %7, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %8, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  br label %170

41:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %42 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %10)
          to label %43 unwind label %56

43:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #6
  %44 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %45 unwind label %60

45:                                               ; preds = %43
  %46 = getelementptr inbounds { i64, i64 }, ptr %11, i32 0, i32 0
  %47 = extractvalue { i64, i64 } %44, 0
  store i64 %47, ptr %46, align 8
  %48 = getelementptr inbounds { i64, i64 }, ptr %11, i32 0, i32 1
  %49 = extractvalue { i64, i64 } %44, 1
  store i64 %49, ptr %48, align 8
  %50 = load i64, ptr %9, align 8, !tbaa !5
  %51 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %50) #6
  %52 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %51, ptr noundef nonnull align 8 dereferenceable(16) %11) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %53

53:                                               ; preds = %45
  %54 = load i64, ptr %9, align 8, !tbaa !5
  %55 = add nsw i64 %54, 1
  store i64 %55, ptr %9, align 8, !tbaa !5
  br label %32, !llvm.loop !9

56:                                               ; preds = %41
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %7, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %8, align 4
  br label %64

60:                                               ; preds = %43
  %61 = landingpad { ptr, i32 }
          cleanup
  %62 = extractvalue { ptr, i32 } %61, 0
  store ptr %62, ptr %7, align 8
  %63 = extractvalue { ptr, i32 } %61, 1
  store i32 %63, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  br label %64

64:                                               ; preds = %60, %56
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %169

65:                                               ; preds = %36
  %66 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %66, ptr %67, align 8
  %68 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %69 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  %70 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  %71 = load ptr, ptr %70, align 8
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %73 = load ptr, ptr %72, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %71, ptr %73)
          to label %74 unwind label %82

74:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #6
  %75 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %75, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %76 unwind label %86

76:                                               ; preds = %74
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  store i64 0, ptr %16, align 8, !tbaa !5
  br label %77

77:                                               ; preds = %95, %76
  %78 = load i64, ptr %16, align 8, !tbaa !5
  %79 = load i64, ptr %3, align 8, !tbaa !5
  %80 = icmp slt i64 %78, %79
  br i1 %80, label %90, label %81

81:                                               ; preds = %77
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %102

82:                                               ; preds = %65
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %7, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %8, align 4
  br label %169

86:                                               ; preds = %74
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %7, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  br label %168

90:                                               ; preds = %77
  %91 = load i64, ptr %16, align 8, !tbaa !5
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %91) #6
  %93 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %92)
          to label %94 unwind label %98

94:                                               ; preds = %90
  br label %95

95:                                               ; preds = %94
  %96 = load i64, ptr %16, align 8, !tbaa !5
  %97 = add nsw i64 %96, 1
  store i64 %97, ptr %16, align 8, !tbaa !5
  br label %77, !llvm.loop !11

98:                                               ; preds = %90
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %7, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %167

102:                                              ; preds = %81
  %103 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  %104 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %17, i32 0, i32 0
  store ptr %103, ptr %104, align 8
  %105 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  %106 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %18, i32 0, i32 0
  store ptr %105, ptr %106, align 8
  %107 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %17, i32 0, i32 0
  %108 = load ptr, ptr %107, align 8
  %109 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.5", ptr %18, i32 0, i32 0
  %110 = load ptr, ptr %109, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %108, ptr %110)
          to label %111 unwind label %119

111:                                              ; preds = %102
  call void @llvm.lifetime.start.p0(i64 24, ptr %19) #6
  %112 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %112, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %113 unwind label %123

113:                                              ; preds = %111
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  store i64 0, ptr %21, align 8, !tbaa !5
  br label %114

114:                                              ; preds = %136, %113
  %115 = load i64, ptr %21, align 8, !tbaa !5
  %116 = load i64, ptr %3, align 8, !tbaa !5
  %117 = icmp slt i64 %115, %116
  br i1 %117, label %127, label %118

118:                                              ; preds = %114
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  br label %139

119:                                              ; preds = %102
  %120 = landingpad { ptr, i32 }
          cleanup
  %121 = extractvalue { ptr, i32 } %120, 0
  store ptr %121, ptr %7, align 8
  %122 = extractvalue { ptr, i32 } %120, 1
  store i32 %122, ptr %8, align 4
  br label %167

123:                                              ; preds = %111
  %124 = landingpad { ptr, i32 }
          cleanup
  %125 = extractvalue { ptr, i32 } %124, 0
  store ptr %125, ptr %7, align 8
  %126 = extractvalue { ptr, i32 } %124, 1
  store i32 %126, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #6
  br label %166

127:                                              ; preds = %114
  %128 = load i64, ptr %21, align 8, !tbaa !5
  %129 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %128) #6
  %130 = load i64, ptr %129, align 8, !tbaa !5
  %131 = load i64, ptr %21, align 8, !tbaa !5
  %132 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %131) #6
  %133 = getelementptr inbounds %"struct.std::pair", ptr %132, i32 0, i32 1
  %134 = load i64, ptr %133, align 8, !tbaa !12
  %135 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %134) #6
  store i64 %130, ptr %135, align 8, !tbaa !5
  br label %136

136:                                              ; preds = %127
  %137 = load i64, ptr %21, align 8, !tbaa !5
  %138 = add nsw i64 %137, 1
  store i64 %138, ptr %21, align 8, !tbaa !5
  br label %114, !llvm.loop !14

139:                                              ; preds = %118
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #6
  store i64 0, ptr %22, align 8, !tbaa !5
  br label %140

140:                                              ; preds = %151, %139
  %141 = load i64, ptr %22, align 8, !tbaa !5
  %142 = load i64, ptr %3, align 8, !tbaa !5
  %143 = icmp slt i64 %141, %142
  br i1 %143, label %145, label %144

144:                                              ; preds = %140
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  br label %158

145:                                              ; preds = %140
  %146 = load i64, ptr %22, align 8, !tbaa !5
  %147 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %146) #6
  %148 = load i64, ptr %147, align 8, !tbaa !5
  %149 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %148)
          to label %150 unwind label %154

150:                                              ; preds = %145
  br label %151

151:                                              ; preds = %150
  %152 = load i64, ptr %22, align 8, !tbaa !5
  %153 = add nsw i64 %152, 1
  store i64 %153, ptr %22, align 8, !tbaa !5
  br label %140, !llvm.loop !15

154:                                              ; preds = %145
  %155 = landingpad { ptr, i32 }
          cleanup
  %156 = extractvalue { ptr, i32 } %155, 0
  store ptr %156, ptr %7, align 8
  %157 = extractvalue { ptr, i32 } %155, 1
  store i32 %157, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  br label %165

158:                                              ; preds = %144
  %159 = invoke i32 @puts(ptr noundef @.str.3)
          to label %160 unwind label %161

160:                                              ; preds = %158
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %24, !llvm.loop !16

161:                                              ; preds = %158
  %162 = landingpad { ptr, i32 }
          cleanup
  %163 = extractvalue { ptr, i32 } %162, 0
  store ptr %163, ptr %7, align 8
  %164 = extractvalue { ptr, i32 } %162, 1
  store i32 %164, ptr %8, align 4
  br label %165

165:                                              ; preds = %161, %154
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #6
  br label %166

166:                                              ; preds = %165, %123
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #6
  br label %167

167:                                              ; preds = %166, %119, %98
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #6
  br label %168

168:                                              ; preds = %167, %86
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #6
  br label %169

169:                                              ; preds = %168, %82, %64
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %170

170:                                              ; preds = %169, %37
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %173

171:                                              ; preds = %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %172 = load i32, ptr %1, align 4
  ret i32 %172

173:                                              ; preds = %170
  %174 = load ptr, ptr %7, align 8
  %175 = load i32, ptr %8, align 4
  %176 = insertvalue { ptr, i32 } poison, ptr %174, 0
  %177 = insertvalue { ptr, i32 } %176, i32 %175, 1
  resume { ptr, i32 } %177
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

declare i32 @puts(ptr noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !6, i64 8}
!13 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long, long>, std::allocator<std::pair<long, long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i64, i64 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [1 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 i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca %"class.std::vector.0", align 8
  %10 = alloca %"class.std::allocator.2", align 1
  %11 = alloca %"class.std::vector.0", align 8
  %12 = alloca %"class.std::allocator.2", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %14 = load i64, ptr %1, align 8, !tbaa !5
  %15 = add nsw i64 %14, -1
  store i64 %15, ptr %1, align 8, !tbaa !5
  %.not37 = icmp eq i64 %14, 0
  br i1 %.not37, label %._crit_edge40, label %.lr.ph39

.lr.ph39:                                         ; preds = %0
  %16 = getelementptr inbounds i8, ptr %8, i64 8
  br label %17

17:                                               ; preds = %.lr.ph39, %._crit_edge36
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %19 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %19, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %20 unwind label %25

20:                                               ; preds = %17
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  store i64 0, ptr %6, align 8, !tbaa !5
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = icmp sgt i64 %21, 0
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %29, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  %23 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %24 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %23, ptr %24)
          to label %41 unwind label %48

25:                                               ; preds = %17
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  br label %88

.lr.ph:                                           ; preds = %20, %29
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %27 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %7)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #6
  %28 = invoke { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %6)
          to label %29 unwind label %39

29:                                               ; preds = %.lr.ph
  %30 = extractvalue { i64, i64 } %28, 0
  store i64 %30, ptr %8, align 8
  %31 = extractvalue { i64, i64 } %28, 1
  store i64 %31, ptr %16, align 8
  %32 = load i64, ptr %6, align 8, !tbaa !5
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %32) #6
  %34 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16) %33, ptr noundef nonnull align 8 dereferenceable(16) %8) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %35 = load i64, ptr %6, align 8, !tbaa !5
  %36 = add nsw i64 %35, 1
  store i64 %36, ptr %6, align 8, !tbaa !5
  %37 = load i64, ptr %2, align 8, !tbaa !5
  %38 = icmp slt i64 %36, %37
  br i1 %38, label %.lr.ph, label %._crit_edge, !llvm.loop !9

39:                                               ; preds = %.lr.ph
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  br label %87

41:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #6
  %42 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %42, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %43 unwind label %50

43:                                               ; preds = %41
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #6
  %44 = load i64, ptr %2, align 8, !tbaa !5
  %45 = icmp sgt i64 %44, 0
  br i1 %45, label %.lr.ph29, label %._crit_edge30

._crit_edge30:                                    ; preds = %.lr.ph29, %43
  %46 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  %47 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %46, ptr %47)
          to label %57 unwind label %63

48:                                               ; preds = %._crit_edge
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %87

50:                                               ; preds = %41
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #6
  br label %86

.lr.ph29:                                         ; preds = %43, %.lr.ph29
  %.02127 = phi i64 [ %54, %.lr.ph29 ], [ 0, %43 ]
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %.02127) #6
  %53 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %52)
  %54 = add nuw nsw i64 %.02127, 1
  %55 = load i64, ptr %2, align 8, !tbaa !5
  %56 = icmp slt i64 %54, %55
  br i1 %56, label %.lr.ph29, label %._crit_edge30, !llvm.loop !11

57:                                               ; preds = %._crit_edge30
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %11) #6
  %58 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %58, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %59 unwind label %65

59:                                               ; preds = %57
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  %60 = load i64, ptr %2, align 8, !tbaa !5
  %61 = icmp sgt i64 %60, 0
  br i1 %61, label %.lr.ph33, label %._crit_edge36

.preheader:                                       ; preds = %.lr.ph33
  %62 = icmp sgt i64 %74, 0
  br i1 %62, label %.lr.ph35, label %._crit_edge36

63:                                               ; preds = %._crit_edge30
  %64 = landingpad { ptr, i32 }
          cleanup
  br label %85

65:                                               ; preds = %57
  %66 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #6
  br label %85

.lr.ph33:                                         ; preds = %59, %.lr.ph33
  %.01531 = phi i64 [ %73, %.lr.ph33 ], [ 0, %59 ]
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %.01531) #6
  %68 = load i64, ptr %67, align 8, !tbaa !5
  %69 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.01531) #6
  %70 = getelementptr inbounds i8, ptr %69, i64 8
  %71 = load i64, ptr %70, align 8, !tbaa !12
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %71) #6
  store i64 %68, ptr %72, align 8, !tbaa !5
  %73 = add nuw nsw i64 %.01531, 1
  %74 = load i64, ptr %2, align 8, !tbaa !5
  %75 = icmp slt i64 %73, %74
  br i1 %75, label %.lr.ph33, label %.preheader, !llvm.loop !14

._crit_edge36:                                    ; preds = %.lr.ph35, %59, %.preheader
  %76 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.3)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  %77 = load i64, ptr %1, align 8, !tbaa !5
  %78 = add nsw i64 %77, -1
  store i64 %78, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %77, 0
  br i1 %.not, label %._crit_edge40, label %17, !llvm.loop !15

.lr.ph35:                                         ; preds = %.preheader, %.lr.ph35
  %.034 = phi i64 [ %82, %.lr.ph35 ], [ 0, %.preheader ]
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %.034) #6
  %80 = load i64, ptr %79, align 8, !tbaa !5
  %81 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %80)
  %82 = add nuw nsw i64 %.034, 1
  %83 = load i64, ptr %2, align 8, !tbaa !5
  %84 = icmp slt i64 %82, %83
  br i1 %84, label %.lr.ph35, label %._crit_edge36, !llvm.loop !16

85:                                               ; preds = %65, %63
  %.pn = phi { ptr, i32 } [ %66, %65 ], [ %64, %63 ]
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  br label %86

86:                                               ; preds = %85, %50
  %.pn.pn = phi { ptr, i32 } [ %.pn, %85 ], [ %51, %50 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #6
  br label %87

87:                                               ; preds = %86, %48, %39
  %.pn24 = phi { ptr, i32 } [ %40, %39 ], [ %.pn.pn, %86 ], [ %49, %48 ]
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %88

88:                                               ; preds = %87, %25
  %.pn24.pn = phi { ptr, i32 } [ %.pn24, %87 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn24.pn

._crit_edge40:                                    ; preds = %._crit_edge36, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  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

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRlS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt4pairIllEaSEOS0_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !6, i64 8}
!13 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}


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