; LLVM IR from Izaron/ACM-ICPC :: Timus Online Judge/Volume 4/1313. Some Words about Sport (main)

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

%"class.std::basic_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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"struct.std::pair.0" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator.2" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@mass = external dso_local global [100 x [100 x i32]], align 16
@used = external dso_local global [100 x [100 x i8]], align 16
@n = external dso_local global i32, align 4
@_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 i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca %"struct.std::pair.0", align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca i64, align 8
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca i64, align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator.2", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 0, ptr %1, align 4
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %21

21:                                               ; preds = %50, %0
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = load i32, ptr @n, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %53

26:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %46, %26
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = load i32, ptr @n, align 4, !tbaa !5
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %32, label %31

31:                                               ; preds = %27
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  br label %49

32:                                               ; preds = %27
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds [100 x [100 x i32]], ptr @mass, i64 0, i64 %34
  %36 = load i32, ptr %4, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [100 x i32], ptr %35, i64 0, i64 %37
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %38)
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %41
  %43 = load i32, ptr %4, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [100 x i8], ptr %42, i64 0, i64 %44
  store i8 0, ptr %45, align 1, !tbaa !9
  br label %46

46:                                               ; preds = %32
  %47 = load i32, ptr %4, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %4, align 4, !tbaa !5
  br label %27, !llvm.loop !11

49:                                               ; preds = %31
  br label %50

50:                                               ; preds = %49
  %51 = load i32, ptr %2, align 4, !tbaa !5
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %2, align 4, !tbaa !5
  br label %21, !llvm.loop !13

53:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  %54 = invoke i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %55 unwind label %104

55:                                               ; preds = %53
  store i64 %54, ptr %7, align 4
  invoke void @_ZNSt4pairIxxEC2IiiTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16) %6, ptr noundef nonnull align 4 dereferenceable(8) %7)
          to label %56 unwind label %104

56:                                               ; preds = %55
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %57 unwind label %104

57:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %6) #6
  br label %58

58:                                               ; preds = %180, %57
  %59 = call noundef i64 @_ZNKSt6vectorISt4pairIxxESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %60 = icmp ugt i64 %59, 0
  br i1 %60, label %61, label %190

61:                                               ; preds = %58
  %62 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %63 = getelementptr inbounds %"struct.std::pair", ptr %62, i32 0, i32 0
  %64 = load i64, ptr %63, align 8, !tbaa !14
  %65 = add nsw i64 %64, 1
  %66 = load i32, ptr @n, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = icmp slt i64 %65, %67
  br i1 %68, label %69, label %112

69:                                               ; preds = %61
  %70 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %71 = getelementptr inbounds %"struct.std::pair", ptr %70, i32 0, i32 0
  %72 = load i64, ptr %71, align 8, !tbaa !14
  %73 = add nsw i64 %72, 1
  %74 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %73
  %75 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %76 = getelementptr inbounds %"struct.std::pair", ptr %75, i32 0, i32 1
  %77 = load i64, ptr %76, align 8, !tbaa !17
  %78 = getelementptr inbounds [100 x i8], ptr %74, i64 0, i64 %77
  %79 = load i8, ptr %78, align 1, !tbaa !9, !range !18, !noundef !19
  %80 = trunc i8 %79 to i1
  br i1 %80, label %112, label %81

81:                                               ; preds = %69
  %82 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %83 = getelementptr inbounds %"struct.std::pair", ptr %82, i32 0, i32 0
  %84 = load i64, ptr %83, align 8, !tbaa !14
  %85 = add nsw i64 %84, 1
  %86 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %85
  %87 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %88 = getelementptr inbounds %"struct.std::pair", ptr %87, i32 0, i32 1
  %89 = load i64, ptr %88, align 8, !tbaa !17
  %90 = getelementptr inbounds [100 x i8], ptr %86, i64 0, i64 %89
  store i8 1, ptr %90, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %91 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %92 = getelementptr inbounds %"struct.std::pair", ptr %91, i32 0, i32 0
  %93 = load i64, ptr %92, align 8, !tbaa !14
  %94 = add nsw i64 %93, 1
  store i64 %94, ptr %13, align 8, !tbaa !20
  %95 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %96 = getelementptr inbounds %"struct.std::pair", ptr %95, i32 0, i32 1
  %97 = invoke { i64, i64 } @_ZSt9make_pairIxRxESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %96)
          to label %98 unwind label %108

98:                                               ; preds = %81
  %99 = getelementptr inbounds { i64, i64 }, ptr %12, i32 0, i32 0
  %100 = extractvalue { i64, i64 } %97, 0
  store i64 %100, ptr %99, align 8
  %101 = getelementptr inbounds { i64, i64 }, ptr %12, i32 0, i32 1
  %102 = extractvalue { i64, i64 } %97, 1
  store i64 %102, ptr %101, align 8
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(16) %12)
          to label %103 unwind label %108

103:                                              ; preds = %98
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #6
  br label %112

104:                                              ; preds = %56, %55, %53
  %105 = landingpad { ptr, i32 }
          cleanup
  %106 = extractvalue { ptr, i32 } %105, 0
  store ptr %106, ptr %10, align 8
  %107 = extractvalue { ptr, i32 } %105, 1
  store i32 %107, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %6) #6
  br label %192

108:                                              ; preds = %98, %81
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %10, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #6
  br label %192

112:                                              ; preds = %103, %69, %61
  %113 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %114 = getelementptr inbounds %"struct.std::pair", ptr %113, i32 0, i32 1
  %115 = load i64, ptr %114, align 8, !tbaa !17
  %116 = add nsw i64 %115, 1
  %117 = load i32, ptr @n, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  %119 = icmp slt i64 %116, %118
  br i1 %119, label %120, label %159

120:                                              ; preds = %112
  %121 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %122 = getelementptr inbounds %"struct.std::pair", ptr %121, i32 0, i32 0
  %123 = load i64, ptr %122, align 8, !tbaa !14
  %124 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %123
  %125 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %126 = getelementptr inbounds %"struct.std::pair", ptr %125, i32 0, i32 1
  %127 = load i64, ptr %126, align 8, !tbaa !17
  %128 = add nsw i64 %127, 1
  %129 = getelementptr inbounds [100 x i8], ptr %124, i64 0, i64 %128
  %130 = load i8, ptr %129, align 1, !tbaa !9, !range !18, !noundef !19
  %131 = trunc i8 %130 to i1
  br i1 %131, label %159, label %132

132:                                              ; preds = %120
  %133 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %134 = getelementptr inbounds %"struct.std::pair", ptr %133, i32 0, i32 0
  %135 = load i64, ptr %134, align 8, !tbaa !14
  %136 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %135
  %137 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %138 = getelementptr inbounds %"struct.std::pair", ptr %137, i32 0, i32 1
  %139 = load i64, ptr %138, align 8, !tbaa !17
  %140 = add nsw i64 %139, 1
  %141 = getelementptr inbounds [100 x i8], ptr %136, i64 0, i64 %140
  store i8 1, ptr %141, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #6
  %142 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %143 = getelementptr inbounds %"struct.std::pair", ptr %142, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %144 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %145 = getelementptr inbounds %"struct.std::pair", ptr %144, i32 0, i32 1
  %146 = load i64, ptr %145, align 8, !tbaa !17
  %147 = add nsw i64 %146, 1
  store i64 %147, ptr %15, align 8, !tbaa !20
  %148 = invoke { i64, i64 } @_ZSt9make_pairIRxxESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %143, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %149 unwind label %155

149:                                              ; preds = %132
  %150 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 0
  %151 = extractvalue { i64, i64 } %148, 0
  store i64 %151, ptr %150, align 8
  %152 = getelementptr inbounds { i64, i64 }, ptr %14, i32 0, i32 1
  %153 = extractvalue { i64, i64 } %148, 1
  store i64 %153, ptr %152, align 8
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(16) %14)
          to label %154 unwind label %155

154:                                              ; preds = %149
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #6
  br label %159

155:                                              ; preds = %149, %132
  %156 = landingpad { ptr, i32 }
          cleanup
  %157 = extractvalue { ptr, i32 } %156, 0
  store ptr %157, ptr %10, align 8
  %158 = extractvalue { ptr, i32 } %156, 1
  store i32 %158, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #6
  br label %192

159:                                              ; preds = %154, %120, %112
  %160 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %161 = getelementptr inbounds %"struct.std::pair", ptr %160, i32 0, i32 0
  %162 = load i64, ptr %161, align 8, !tbaa !14
  %163 = getelementptr inbounds [100 x [100 x i32]], ptr @mass, i64 0, i64 %162
  %164 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %165 = getelementptr inbounds %"struct.std::pair", ptr %164, i32 0, i32 1
  %166 = load i64, ptr %165, align 8, !tbaa !17
  %167 = getelementptr inbounds [100 x i32], ptr %163, i64 0, i64 %166
  %168 = load i32, ptr %167, align 4, !tbaa !5
  %169 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %168)
          to label %170 unwind label %182

170:                                              ; preds = %159
  %171 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %169, ptr noundef @.str)
          to label %172 unwind label %182

172:                                              ; preds = %170
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %173 = call ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %174 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %173, ptr %174, align 8
  %175 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %18, i64 noundef 0) #6
  %176 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %175, ptr %176, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIxxESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #6
  %177 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.2", ptr %16, i32 0, i32 0
  %178 = load ptr, ptr %177, align 8
  %179 = invoke ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr %178)
          to label %180 unwind label %186

180:                                              ; preds = %172
  %181 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %179, ptr %181, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %58, !llvm.loop !21

182:                                              ; preds = %170, %159
  %183 = landingpad { ptr, i32 }
          cleanup
  %184 = extractvalue { ptr, i32 } %183, 0
  store ptr %184, ptr %10, align 8
  %185 = extractvalue { ptr, i32 } %183, 1
  store i32 %185, ptr %11, align 4
  br label %192

186:                                              ; preds = %172
  %187 = landingpad { ptr, i32 }
          cleanup
  %188 = extractvalue { ptr, i32 } %187, 0
  store ptr %188, ptr %10, align 8
  %189 = extractvalue { ptr, i32 } %187, 1
  store i32 %189, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %192

190:                                              ; preds = %58
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  %191 = load i32, ptr %1, align 4
  ret i32 %191

192:                                              ; preds = %186, %182, %155, %108, %104
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  br label %193

193:                                              ; preds = %192
  %194 = load ptr, ptr %10, align 8
  %195 = load i32, ptr %11, align 4
  %196 = insertvalue { ptr, i32 } poison, ptr %194, 0
  %197 = insertvalue { ptr, i32 } %196, i32 %195, 1
  resume { ptr, i32 } %197
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(16)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IiiTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIxxESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIxRxESt4pairINSt25__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 uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRxxESt4pairINSt25__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: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIxxESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !16, i64 0}
!15 = !{!"_ZTSSt4pairIxxE", !16, i64 0, !16, i64 8}
!16 = !{!"long long", !7, i64 0}
!17 = !{!15, !16, i64 8}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = !{!16, !16, i64 0}
!21 = distinct !{!21, !12}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<long long, long long>, std::allocator<std::pair<long long, long long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::pair" = type { i64, i64 }
%"struct.std::pair.0" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator.2" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@mass = external dso_local global [100 x [100 x i32]], align 16
@used = external dso_local local_unnamed_addr global [100 x [100 x i8]], align 16
@n = external dso_local global i32, align 4
@_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 %"class.std::vector", align 8
  %2 = alloca %"struct.std::pair", align 8
  %3 = alloca %"struct.std::pair.0", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i64, align 8
  %8 = alloca %"struct.std::pair", align 8
  %9 = alloca i64, align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.2", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %14 = load i32, ptr @n, align 4, !tbaa !5
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.preheader, label %._crit_edge16

.preheader:                                       ; preds = %0, %._crit_edge
  %16 = phi i32 [ %19, %._crit_edge ], [ %14, %0 ]
  %indvars.iv23 = phi i64 [ %indvars.iv.next24, %._crit_edge ], [ 0, %0 ]
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph, label %.preheader.._crit_edge_crit_edge

.preheader.._crit_edge_crit_edge:                 ; preds = %.preheader
  %.pre = sext i32 %16 to i64
  br label %._crit_edge

._crit_edge16:                                    ; preds = %._crit_edge, %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #6
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  store i32 0, ptr %5, align 4, !tbaa !5
  %18 = invoke i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %27 unwind label %67

._crit_edge:                                      ; preds = %.lr.ph, %.preheader.._crit_edge_crit_edge
  %.pre-phi = phi i64 [ %.pre, %.preheader.._crit_edge_crit_edge ], [ %25, %.lr.ph ]
  %19 = phi i32 [ %16, %.preheader.._crit_edge_crit_edge ], [ %24, %.lr.ph ]
  %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
  %20 = icmp slt i64 %indvars.iv.next24, %.pre-phi
  br i1 %20, label %.preheader, label %._crit_edge16, !llvm.loop !9

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader ]
  %21 = getelementptr inbounds [100 x [100 x i32]], ptr @mass, i64 0, i64 %indvars.iv23, i64 %indvars.iv
  %22 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %21)
  %23 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %indvars.iv23, i64 %indvars.iv
  store i8 0, ptr %23, align 1, !tbaa !12
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %24 = load i32, ptr @n, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = icmp slt i64 %indvars.iv.next, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !14

27:                                               ; preds = %._crit_edge16
  store i64 %18, ptr %3, align 8
  call void @_ZNSt4pairIxxEC2IiiTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(8) %3)
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(16) %2)
          to label %28 unwind label %67

28:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  %29 = call noundef i64 @_ZNKSt6vectorISt4pairIxxESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %.not17 = icmp eq i64 %29, 0
  br i1 %.not17, label %._crit_edge20, label %.lr.ph19

.lr.ph19:                                         ; preds = %28
  %30 = getelementptr inbounds i8, ptr %6, i64 8
  %31 = getelementptr inbounds i8, ptr %8, i64 8
  br label %32

32:                                               ; preds = %.lr.ph19, %125
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %34 = load i64, ptr %33, align 8, !tbaa !15
  %35 = add nsw i64 %34, 1
  %36 = load i32, ptr @n, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = icmp slt i64 %35, %37
  br i1 %38, label %39, label %71

39:                                               ; preds = %32
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %41 = load i64, ptr %40, align 8, !tbaa !15
  %42 = add nsw i64 %41, 1
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %44 = getelementptr inbounds i8, ptr %43, i64 8
  %45 = load i64, ptr %44, align 8, !tbaa !18
  %46 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %42, i64 %45
  %47 = load i8, ptr %46, align 1, !tbaa !12, !range !19, !noundef !20
  %48 = trunc nuw i8 %47 to i1
  br i1 %48, label %71, label %49

49:                                               ; preds = %39
  %50 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %51 = load i64, ptr %50, align 8, !tbaa !15
  %52 = add nsw i64 %51, 1
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %54 = getelementptr inbounds i8, ptr %53, i64 8
  %55 = load i64, ptr %54, align 8, !tbaa !18
  %56 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %52, i64 %55
  store i8 1, ptr %56, align 1, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %57 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %58 = load i64, ptr %57, align 8, !tbaa !15
  %59 = add nsw i64 %58, 1
  store i64 %59, ptr %7, align 8, !tbaa !21
  %60 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %61 = getelementptr inbounds i8, ptr %60, i64 8
  %62 = invoke { i64, i64 } @_ZSt9make_pairIxRxESt4pairINSt25__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) %61)
          to label %63 unwind label %69

63:                                               ; preds = %49
  %64 = extractvalue { i64, i64 } %62, 0
  store i64 %64, ptr %6, align 8
  %65 = extractvalue { i64, i64 } %62, 1
  store i64 %65, ptr %30, align 8
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %66 unwind label %69

66:                                               ; preds = %63
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  br label %71

67:                                               ; preds = %27, %._crit_edge16
  %68 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #6
  br label %131

69:                                               ; preds = %63, %49
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  br label %131

71:                                               ; preds = %66, %39, %32
  %72 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %73 = getelementptr inbounds i8, ptr %72, i64 8
  %74 = load i64, ptr %73, align 8, !tbaa !18
  %75 = add nsw i64 %74, 1
  %76 = load i32, ptr @n, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = icmp slt i64 %75, %77
  br i1 %78, label %79, label %109

79:                                               ; preds = %71
  %80 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %81 = load i64, ptr %80, align 8, !tbaa !15
  %82 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %83 = getelementptr inbounds i8, ptr %82, i64 8
  %84 = load i64, ptr %83, align 8, !tbaa !18
  %85 = add nsw i64 %84, 1
  %86 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %81, i64 %85
  %87 = load i8, ptr %86, align 1, !tbaa !12, !range !19, !noundef !20
  %88 = trunc nuw i8 %87 to i1
  br i1 %88, label %109, label %89

89:                                               ; preds = %79
  %90 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %91 = load i64, ptr %90, align 8, !tbaa !15
  %92 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %93 = getelementptr inbounds i8, ptr %92, i64 8
  %94 = load i64, ptr %93, align 8, !tbaa !18
  %95 = add nsw i64 %94, 1
  %96 = getelementptr inbounds [100 x [100 x i8]], ptr @used, i64 0, i64 %91, i64 %95
  store i8 1, ptr %96, align 1, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #6
  %97 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %98 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %99 = getelementptr inbounds i8, ptr %98, i64 8
  %100 = load i64, ptr %99, align 8, !tbaa !18
  %101 = add nsw i64 %100, 1
  store i64 %101, ptr %9, align 8, !tbaa !21
  %102 = invoke { i64, i64 } @_ZSt9make_pairIRxxESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 8 dereferenceable(8) %97, ptr noundef nonnull align 8 dereferenceable(8) %9)
          to label %103 unwind label %107

103:                                              ; preds = %89
  %104 = extractvalue { i64, i64 } %102, 0
  store i64 %104, ptr %8, align 8
  %105 = extractvalue { i64, i64 } %102, 1
  store i64 %105, ptr %31, align 8
  invoke void @_ZNSt6vectorISt4pairIxxESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(16) %8)
          to label %106 unwind label %107

106:                                              ; preds = %103
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  br label %109

107:                                              ; preds = %103, %89
  %108 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  br label %131

109:                                              ; preds = %106, %79, %71
  %110 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %111 = load i64, ptr %110, align 8, !tbaa !15
  %112 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #6
  %113 = getelementptr inbounds i8, ptr %112, i64 8
  %114 = load i64, ptr %113, align 8, !tbaa !18
  %115 = getelementptr inbounds [100 x [100 x i32]], ptr @mass, i64 0, i64 %111, i64 %114
  %116 = load i32, ptr %115, align 4, !tbaa !5
  %117 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %116)
          to label %118 unwind label %127

118:                                              ; preds = %109
  %119 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %117, ptr noundef nonnull @.str)
          to label %120 unwind label %127

120:                                              ; preds = %118
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %121 = call ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  store ptr %121, ptr %12, align 8
  %122 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %12, i64 noundef 0) #6
  store ptr %122, ptr %11, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIxxESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  %123 = load ptr, ptr %10, align 8
  %124 = invoke ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr %123)
          to label %125 unwind label %129

125:                                              ; preds = %120
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  %126 = call noundef i64 @_ZNKSt6vectorISt4pairIxxESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  %.not = icmp eq i64 %126, 0
  br i1 %.not, label %._crit_edge20, label %32, !llvm.loop !22

127:                                              ; preds = %118, %109
  %128 = landingpad { ptr, i32 }
          cleanup
  br label %131

129:                                              ; preds = %120
  %130 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  br label %131

._crit_edge20:                                    ; preds = %125, %28
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  ret i32 0

131:                                              ; preds = %129, %127, %107, %69, %67
  %.pn = phi { ptr, i32 } [ %130, %129 ], [ %128, %127 ], [ %108, %107 ], [ %70, %69 ], [ %68, %67 ]
  call void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn
}

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 #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_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 uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIxxEC2IiiTnNSt9enable_ifIXaaclsr6_PCCFPIT_T0_EE22_MoveConstructiblePairIS3_S4_EEclsr6_PCCFPIS3_S4_EE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS_IS3_S4_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIxxESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt4pairIxxESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIxRxESt4pairINSt25__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 uwtable
declare dso_local { i64, i64 } @_ZSt9make_pairIRxxESt4pairINSt25__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: 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 #1

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIxxESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIxxESt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKSt4pairIxxESt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIxxESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.unswitch.partial.disable"}
!12 = !{!13, !13, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = !{!16, !17, i64 0}
!16 = !{!"_ZTSSt4pairIxxE", !17, i64 0, !17, i64 8}
!17 = !{!"long long", !7, i64 0}
!18 = !{!16, !17, i64 8}
!19 = !{i8 0, i8 2}
!20 = !{}
!21 = !{!17, !17, i64 0}
!22 = distinct !{!22, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SCCPPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass