; LLVM IR from DionysiosB/CodeForces :: 0400-0499 (479B-Towers)

; 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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i64, i64 }

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 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 %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %20 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %21 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %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 %21, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %22 unwind label %29

22:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %23

23:                                               ; preds = %48, %22
  %24 = load i32, ptr %8, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  %26 = load i64, ptr %2, align 8, !tbaa !5
  %27 = icmp slt i64 %25, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %55

29:                                               ; preds = %0
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %6, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #6
  br label %171

33:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %34 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %9)
          to label %35 unwind label %51

35:                                               ; preds = %33
  %36 = load i64, ptr %9, align 8, !tbaa !5
  %37 = load i32, ptr %8, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %38) #6
  %40 = getelementptr inbounds %"struct.std::pair", ptr %39, i32 0, i32 0
  store i64 %36, ptr %40, align 8, !tbaa !11
  %41 = load i32, ptr %8, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  %43 = sext i32 %42 to i64
  %44 = load i32, ptr %8, align 4, !tbaa !9
  %45 = sext i32 %44 to i64
  %46 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %45) #6
  %47 = getelementptr inbounds %"struct.std::pair", ptr %46, i32 0, i32 1
  store i64 %43, ptr %47, align 8, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %48

48:                                               ; preds = %35
  %49 = load i32, ptr %8, align 4, !tbaa !9
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %8, align 4, !tbaa !9
  br label %23, !llvm.loop !14

51:                                               ; preds = %33
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %6, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %170

55:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  store i64 0, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %56

56:                                               ; preds = %106, %55
  %57 = load i32, ptr %12, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = load i64, ptr %3, align 8, !tbaa !5
  %60 = icmp slt i64 %58, %59
  br i1 %60, label %62, label %61

61:                                               ; preds = %56
  store i32 5, ptr %13, align 4
  br label %113

62:                                               ; preds = %56
  %63 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %64 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %63, ptr %64, align 8
  %65 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %66 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %65, ptr %66, align 8
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %68 = load ptr, ptr %67, align 8
  %69 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %70 = load ptr, ptr %69, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %68, ptr %70)
          to label %71 unwind label %83

71:                                               ; preds = %62
  %72 = load i64, ptr %2, align 8, !tbaa !5
  %73 = sub nsw i64 %72, 1
  %74 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %73) #6
  %75 = getelementptr inbounds %"struct.std::pair", ptr %74, i32 0, i32 0
  %76 = load i64, ptr %75, align 8, !tbaa !11
  %77 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #6
  %78 = getelementptr inbounds %"struct.std::pair", ptr %77, i32 0, i32 0
  %79 = load i64, ptr %78, align 8, !tbaa !11
  %80 = add nsw i64 %79, 1
  %81 = icmp sle i64 %76, %80
  br i1 %81, label %82, label %87

82:                                               ; preds = %71
  store i32 5, ptr %13, align 4
  br label %113

83:                                               ; preds = %62
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %6, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %7, align 4
  br label %114

87:                                               ; preds = %71
  %88 = load i64, ptr %2, align 8, !tbaa !5
  %89 = sub nsw i64 %88, 1
  %90 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %89) #6
  %91 = getelementptr inbounds %"struct.std::pair", ptr %90, i32 0, i32 0
  %92 = load i64, ptr %91, align 8, !tbaa !11
  %93 = add nsw i64 %92, -1
  store i64 %93, ptr %91, align 8, !tbaa !11
  %94 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #6
  %95 = getelementptr inbounds %"struct.std::pair", ptr %94, i32 0, i32 0
  %96 = load i64, ptr %95, align 8, !tbaa !11
  %97 = add nsw i64 %96, 1
  store i64 %97, ptr %95, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #6
  %98 = load i64, ptr %2, align 8, !tbaa !5
  %99 = sub nsw i64 %98, 1
  %100 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %99) #6
  %101 = getelementptr inbounds %"struct.std::pair", ptr %100, i32 0, i32 1
  %102 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #6
  %103 = getelementptr inbounds %"struct.std::pair", ptr %102, i32 0, i32 1
  invoke void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef nonnull align 8 dereferenceable(8) %103)
          to label %104 unwind label %109

104:                                              ; preds = %87
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(16) %16)
          to label %105 unwind label %109

105:                                              ; preds = %104
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #6
  br label %106

106:                                              ; preds = %105
  %107 = load i32, ptr %12, align 4, !tbaa !9
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %12, align 4, !tbaa !9
  br label %56, !llvm.loop !16

109:                                              ; preds = %104, %87
  %110 = landingpad { ptr, i32 }
          cleanup
  %111 = extractvalue { ptr, i32 } %110, 0
  store ptr %111, ptr %6, align 8
  %112 = extractvalue { ptr, i32 } %110, 1
  store i32 %112, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #6
  br label %114

113:                                              ; preds = %82, %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %115

114:                                              ; preds = %109, %83
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %169

115:                                              ; preds = %113
  %116 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %117 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %116, ptr %117, align 8
  %118 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %119 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %118, ptr %119, align 8
  %120 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  %121 = load ptr, ptr %120, align 8
  %122 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %123 = load ptr, ptr %122, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %121, ptr %123)
          to label %124 unwind label %143

124:                                              ; preds = %115
  %125 = load i64, ptr %2, align 8, !tbaa !5
  %126 = sub nsw i64 %125, 1
  %127 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %126) #6
  %128 = getelementptr inbounds %"struct.std::pair", ptr %127, i32 0, i32 0
  %129 = load i64, ptr %128, align 8, !tbaa !11
  %130 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #6
  %131 = getelementptr inbounds %"struct.std::pair", ptr %130, i32 0, i32 0
  %132 = load i64, ptr %131, align 8, !tbaa !11
  %133 = sub nsw i64 %129, %132
  %134 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %135 = invoke i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %133, i64 noundef %134)
          to label %136 unwind label %143

136:                                              ; preds = %124
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #6
  store i32 0, ptr %19, align 4, !tbaa !9
  br label %137

137:                                              ; preds = %160, %136
  %138 = load i32, ptr %19, align 4, !tbaa !9
  %139 = sext i32 %138 to i64
  %140 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %141 = icmp ult i64 %139, %140
  br i1 %141, label %147, label %142

142:                                              ; preds = %137
  store i32 8, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  br label %167

143:                                              ; preds = %124, %115
  %144 = landingpad { ptr, i32 }
          cleanup
  %145 = extractvalue { ptr, i32 } %144, 0
  store ptr %145, ptr %6, align 8
  %146 = extractvalue { ptr, i32 } %144, 1
  store i32 %146, ptr %7, align 4
  br label %169

147:                                              ; preds = %137
  %148 = load i32, ptr %19, align 4, !tbaa !9
  %149 = sext i32 %148 to i64
  %150 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %149) #6
  %151 = getelementptr inbounds %"struct.std::pair", ptr %150, i32 0, i32 0
  %152 = load i64, ptr %151, align 8, !tbaa !11
  %153 = load i32, ptr %19, align 4, !tbaa !9
  %154 = sext i32 %153 to i64
  %155 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %154) #6
  %156 = getelementptr inbounds %"struct.std::pair", ptr %155, i32 0, i32 1
  %157 = load i64, ptr %156, align 8, !tbaa !13
  %158 = invoke i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %152, i64 noundef %157)
          to label %159 unwind label %163

159:                                              ; preds = %147
  br label %160

160:                                              ; preds = %159
  %161 = load i32, ptr %19, align 4, !tbaa !9
  %162 = add nsw i32 %161, 1
  store i32 %162, ptr %19, align 4, !tbaa !9
  br label %137, !llvm.loop !17

163:                                              ; preds = %147
  %164 = landingpad { ptr, i32 }
          cleanup
  %165 = extractvalue { ptr, i32 } %164, 0
  store ptr %165, ptr %6, align 8
  %166 = extractvalue { ptr, i32 } %164, 1
  store i32 %166, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  br label %169

167:                                              ; preds = %142
  store i32 0, ptr %1, align 4
  store i32 1, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, 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
  %168 = load i32, ptr %1, align 4
  ret i32 %168

169:                                              ; preds = %163, %143, %114
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  br label %170

170:                                              ; preds = %169, %51
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %171

171:                                              ; preds = %170, %29
  call void @llvm.lifetime.end.p0(i64 24, 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 %172

172:                                              ; preds = %171
  %173 = load ptr, ptr %6, align 8
  %174 = load i32, ptr %7, align 4
  %175 = insertvalue { ptr, i32 } poison, ptr %173, 0
  %176 = insertvalue { ptr, i32 } %175, i32 %174, 1
  resume { ptr, i32 } %176
}

; 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 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 void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #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 uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #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

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 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}


; 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 }

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 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 %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  %9 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSaISt4pairIllEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %9, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %10 unwind label %15

10:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  %11 = load i64, ptr %1, align 8, !tbaa !5
  %12 = icmp sgt i64 %11, 0
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %10
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %.lr.ph31, label %._crit_edge32

15:                                               ; preds = %0
  %16 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIllEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %80

.lr.ph:                                           ; preds = %10, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %10 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %5)
  %18 = load i64, ptr %5, align 8, !tbaa !5
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  store i64 %18, ptr %19, align 8, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  %21 = getelementptr inbounds i8, ptr %20, i64 8
  store i64 %indvars.iv.next, ptr %21, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  %22 = load i64, ptr %1, align 8, !tbaa !5
  %23 = icmp sgt i64 %22, %indvars.iv.next
  br i1 %23, label %.lr.ph, label %._crit_edge, !llvm.loop !12

.lr.ph31:                                         ; preds = %._crit_edge, %51
  %indvars.iv40 = phi i64 [ %indvars.iv.next41, %51 ], [ 0, %._crit_edge ]
  %24 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %25 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %24, ptr %25)
          to label %26 unwind label %34

26:                                               ; preds = %.lr.ph31
  %27 = load i64, ptr %1, align 8, !tbaa !5
  %28 = add nsw i64 %27, -1
  %29 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %28) #6
  %30 = load i64, ptr %29, align 8, !tbaa !9
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %32 = load i64, ptr %31, align 8, !tbaa !9
  %33 = add nsw i64 %32, 1
  %.not = icmp sgt i64 %30, %33
  br i1 %.not, label %36, label %._crit_edge32

34:                                               ; preds = %.lr.ph31
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %79

36:                                               ; preds = %26
  %37 = load i64, ptr %1, align 8, !tbaa !5
  %38 = add nsw i64 %37, -1
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %38) #6
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = add nsw i64 %40, -1
  store i64 %41, ptr %39, align 8, !tbaa !9
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %43 = load i64, ptr %42, align 8, !tbaa !9
  %44 = add nsw i64 %43, 1
  store i64 %44, ptr %42, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #6
  %45 = load i64, ptr %1, align 8, !tbaa !5
  %46 = add nsw i64 %45, -1
  %47 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %46) #6
  %48 = getelementptr inbounds i8, ptr %47, i64 8
  %49 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %50 = getelementptr inbounds i8, ptr %49, i64 8
  call void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(8) %48, ptr noundef nonnull align 8 dereferenceable(8) %50)
  invoke void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(16) %7)
          to label %51 unwind label %54

51:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  %indvars.iv.next41 = add nuw nsw i64 %indvars.iv40, 1
  %52 = load i64, ptr %2, align 8, !tbaa !5
  %53 = icmp sgt i64 %52, %indvars.iv.next41
  br i1 %53, label %.lr.ph31, label %._crit_edge32, !llvm.loop !14

54:                                               ; preds = %36
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  br label %79

._crit_edge32:                                    ; preds = %51, %26, %._crit_edge
  %56 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %57 = call ptr @_ZNSt6vectorISt4pairIllESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIllESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %56, ptr %57)
          to label %58 unwind label %69

58:                                               ; preds = %._crit_edge32
  %59 = load i64, ptr %1, align 8, !tbaa !5
  %60 = add nsw i64 %59, -1
  %61 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %60) #6
  %62 = load i64, ptr %61, align 8, !tbaa !9
  %63 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %64 = load i64, ptr %63, align 8, !tbaa !9
  %65 = sub nsw i64 %62, %64
  %66 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %67 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %65, i64 noundef %66)
  %68 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %.not38 = icmp eq i64 %68, 0
  br i1 %.not38, label %._crit_edge37, label %.lr.ph36

._crit_edge37:                                    ; preds = %.lr.ph36, %58
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, 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
  ret i32 0

69:                                               ; preds = %._crit_edge32
  %70 = landingpad { ptr, i32 }
          cleanup
  br label %79

.lr.ph36:                                         ; preds = %58, %.lr.ph36
  %indvars.iv43 = phi i64 [ %indvars.iv.next44, %.lr.ph36 ], [ 0, %58 ]
  %71 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv43) #6
  %72 = load i64, ptr %71, align 8, !tbaa !9
  %73 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIllESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv43) #6
  %74 = getelementptr inbounds i8, ptr %73, i64 8
  %75 = load i64, ptr %74, align 8, !tbaa !11
  %76 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %72, i64 noundef %75)
  %indvars.iv.next44 = add nuw nsw i64 %indvars.iv43, 1
  %77 = call noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %78 = icmp ugt i64 %77, %indvars.iv.next44
  br i1 %78, label %.lr.ph36, label %._crit_edge37, !llvm.loop !15

79:                                               ; preds = %34, %54, %69
  %.pn25 = phi { ptr, i32 } [ %70, %69 ], [ %55, %54 ], [ %35, %34 ]
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  call void @_ZNSt6vectorISt4pairIllESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %80

80:                                               ; preds = %79, %15
  %.pn25.pn = phi { ptr, i32 } [ %.pn25, %79 ], [ %16, %15 ]
  call void @llvm.lifetime.end.p0(i64 24, 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 } %.pn25.pn
}

; 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 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 void @_ZNSt6vectorISt4pairIllESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 uwtable
declare dso_local void @_ZNSt6vectorISt4pairIllESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IRlS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIllESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_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

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 = !{!10, !6, i64 0}
!10 = !{!"_ZTSSt4pairIllE", !6, i64 0, !6, i64 8}
!11 = !{!10, !6, i64 8}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}
!15 = distinct !{!15, !13}


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