; LLVM IR from VastoLorde95/Competitive-Programming :: Hackerrank/Company Contests/CodeStorm/Problem G (G)

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

@n = external dso_local global i32, align 4
@g = external dso_local global [20100 x %"class.std::vector"], align 16
@visited = external dso_local global [20100 x i32], align 16
@st = external dso_local global [20100 x i32], align 16
@tp = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i8, align 1
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 4
  %7 = alloca i32, align 4
  %8 = alloca %"struct.std::pair", align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca ptr, align 8
  %17 = alloca i32, align 4
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 0, ptr %1, align 4
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  store i32 1, ptr %5, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %46, %0
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = load i32, ptr @n, align 4, !tbaa !5
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %49

30:                                               ; preds = %25
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %2, ptr noundef %3, ptr noundef %4)
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %35 = load i8, ptr %4, align 1, !tbaa !9
  %36 = sext i8 %35 to i32
  %37 = sub nsw i32 %36, 97
  store i32 %37, ptr %7, align 4, !tbaa !5
  %38 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %7)
  store i64 %38, ptr %6, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %34, ptr noundef nonnull align 4 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %40
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %42 = load i8, ptr %4, align 1, !tbaa !9
  %43 = sext i8 %42 to i32
  %44 = sub nsw i32 %43, 97
  store i32 %44, ptr %9, align 4, !tbaa !5
  %45 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %9)
  store i64 %45, ptr %8, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %41, ptr noundef nonnull align 4 dereferenceable(8) %8)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %46

46:                                               ; preds = %30
  %47 = load i32, ptr %5, align 4, !tbaa !5
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %5, align 4, !tbaa !5
  br label %25, !llvm.loop !10

49:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 1, ptr %12, align 4, !tbaa !5
  br label %50

50:                                               ; preds = %169, %49
  %51 = load i32, ptr %12, align 4, !tbaa !5
  %52 = load i32, ptr @n, align 4, !tbaa !5
  %53 = icmp sle i32 %51, %52
  br i1 %53, label %55, label %54

54:                                               ; preds = %50
  store i32 5, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %172

55:                                               ; preds = %50
  %56 = load i32, ptr %12, align 4, !tbaa !5
  %57 = load i32, ptr @tp, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr @tp, align 4, !tbaa !5
  %59 = sext i32 %57 to i64
  %60 = getelementptr inbounds [20100 x i32], ptr @st, i64 0, i64 %59
  store i32 %56, ptr %60, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %166, %55
  %62 = load i32, ptr @tp, align 4, !tbaa !5
  %63 = icmp sge i32 %62, 1
  br i1 %63, label %64, label %168

64:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  store i32 0, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  br label %65

65:                                               ; preds = %138, %64
  %66 = load i32, ptr @tp, align 4, !tbaa !5
  %67 = icmp sge i32 %66, 1
  br i1 %67, label %68, label %139

68:                                               ; preds = %65
  %69 = load i32, ptr @tp, align 4, !tbaa !5
  %70 = add nsw i32 %69, -1
  store i32 %70, ptr @tp, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [20100 x i32], ptr @st, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !5
  store i32 %73, ptr %11, align 4, !tbaa !5
  %74 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %75 unwind label %94

75:                                               ; preds = %68
  %76 = load i32, ptr %74, align 4, !tbaa !5
  store i32 %76, ptr %15, align 4, !tbaa !5
  %77 = load i32, ptr %12, align 4, !tbaa !5
  %78 = load i32, ptr %11, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds [20100 x i32], ptr @visited, i64 0, i64 %79
  store i32 %77, ptr %80, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %81 = load i32, ptr %11, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %82
  %84 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %83) #6
  %85 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %84, ptr %85, align 8
  br label %86

86:                                               ; preds = %135, %75
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #6
  %87 = load i32, ptr %11, align 4, !tbaa !5
  %88 = sext i32 %87 to i64
  %89 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %88
  %90 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %89) #6
  %91 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %90, ptr %91, align 8
  %92 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 8 dereferenceable(8) %19) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #6
  br i1 %92, label %98, label %93

93:                                               ; preds = %86
  store i32 12, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  br label %138

94:                                               ; preds = %142, %68
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %16, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %17, align 4
  br label %167

98:                                               ; preds = %86
  %99 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %100 = getelementptr inbounds %"struct.std::pair", ptr %99, i32 0, i32 0
  %101 = load i32, ptr %100, align 4, !tbaa !12
  %102 = sext i32 %101 to i64
  %103 = getelementptr inbounds [20100 x i32], ptr @visited, i64 0, i64 %102
  %104 = load i32, ptr %103, align 4, !tbaa !5
  %105 = load i32, ptr %12, align 4, !tbaa !5
  %106 = icmp eq i32 %104, %105
  br i1 %106, label %107, label %108

107:                                              ; preds = %98
  br label %135

108:                                              ; preds = %98
  %109 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %110 = getelementptr inbounds %"struct.std::pair", ptr %109, i32 0, i32 1
  %111 = load i32, ptr %110, align 4, !tbaa !14
  %112 = load i32, ptr %14, align 4, !tbaa !5
  %113 = icmp sgt i32 %111, %112
  br i1 %113, label %114, label %124

114:                                              ; preds = %108
  %115 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %116 = getelementptr inbounds %"struct.std::pair", ptr %115, i32 0, i32 1
  %117 = load i32, ptr %116, align 4, !tbaa !14
  store i32 %117, ptr %14, align 4, !tbaa !5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %118 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 4 dereferenceable(8) %118)
          to label %119 unwind label %120

119:                                              ; preds = %114
  br label %134

120:                                              ; preds = %130, %114
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %16, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  br label %167

124:                                              ; preds = %108
  %125 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %126 = getelementptr inbounds %"struct.std::pair", ptr %125, i32 0, i32 1
  %127 = load i32, ptr %126, align 4, !tbaa !14
  %128 = load i32, ptr %14, align 4, !tbaa !5
  %129 = icmp eq i32 %127, %128
  br i1 %129, label %130, label %133

130:                                              ; preds = %124
  %131 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 4 dereferenceable(8) %131)
          to label %132 unwind label %120

132:                                              ; preds = %130
  br label %133

133:                                              ; preds = %132, %124
  br label %134

134:                                              ; preds = %133, %119
  br label %135

135:                                              ; preds = %134, %107
  %136 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %18, i32 noundef 0) #6
  %137 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %136, ptr %137, align 8
  br label %86, !llvm.loop !15

138:                                              ; preds = %93
  br label %65, !llvm.loop !16

139:                                              ; preds = %65
  %140 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %141 = icmp eq i64 %140, 0
  br i1 %141, label %142, label %146

142:                                              ; preds = %139
  %143 = load i32, ptr %15, align 4, !tbaa !5
  %144 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %143)
          to label %145 unwind label %94

145:                                              ; preds = %142
  br label %166

146:                                              ; preds = %139
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  %147 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %148 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %147, ptr %148, align 8
  br label %149

149:                                              ; preds = %162, %146
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #6
  %150 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %151 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %150, ptr %151, align 8
  %152 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  br i1 %152, label %154, label %153

153:                                              ; preds = %149
  store i32 15, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  br label %165

154:                                              ; preds = %149
  %155 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  %156 = getelementptr inbounds %"struct.std::pair", ptr %155, i32 0, i32 0
  %157 = load i32, ptr %156, align 4, !tbaa !12
  %158 = load i32, ptr @tp, align 4, !tbaa !5
  %159 = add nsw i32 %158, 1
  store i32 %159, ptr @tp, align 4, !tbaa !5
  %160 = sext i32 %158 to i64
  %161 = getelementptr inbounds [20100 x i32], ptr @st, i64 0, i64 %160
  store i32 %157, ptr %161, align 4, !tbaa !5
  br label %162

162:                                              ; preds = %154
  %163 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %21, i32 noundef 0) #6
  %164 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %163, ptr %164, align 8
  br label %149, !llvm.loop !17

165:                                              ; preds = %153
  br label %166

166:                                              ; preds = %165, %145
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %61, !llvm.loop !18

167:                                              ; preds = %120, %94
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %180

168:                                              ; preds = %61
  br label %169

169:                                              ; preds = %168
  %170 = load i32, ptr %12, align 4, !tbaa !5
  %171 = add nsw i32 %170, 1
  store i32 %171, ptr %12, align 4, !tbaa !5
  br label %50, !llvm.loop !19

172:                                              ; preds = %54
  %173 = invoke i32 @puts(ptr noundef @.str.4)
          to label %174 unwind label %176

174:                                              ; preds = %172
  store i32 0, ptr %1, align 4
  store i32 1, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %175 = load i32, ptr %1, align 4
  ret i32 %175

176:                                              ; preds = %172
  %177 = landingpad { ptr, i32 }
          cleanup
  %178 = extractvalue { ptr, i32 } %177, 0
  store ptr %178, ptr %16, align 8
  %179 = extractvalue { ptr, i32 } %177, 1
  store i32 %179, ptr %17, align 4
  br label %180

180:                                              ; preds = %176, %167
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %181

181:                                              ; preds = %180
  %182 = load ptr, ptr %16, align 8
  %183 = load i32, ptr %17, align 4
  %184 = insertvalue { ptr, i32 } poison, ptr %182, 0
  %185 = insertvalue { ptr, i32 } %184, i32 %183, 1
  resume { ptr, i32 } %185
}

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

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

declare i32 @puts(ptr noundef) #2

attributes #0 = { 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 #1 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!14 = !{!13, !6, i64 4}
!15 = distinct !{!15, !11}
!16 = distinct !{!16, !11}
!17 = distinct !{!17, !11}
!18 = distinct !{!18, !11}
!19 = distinct !{!19, !11}


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

@n = external dso_local global i32, align 4
@g = external dso_local global [20100 x %"class.std::vector"], align 16
@visited = external dso_local local_unnamed_addr global [20100 x i32], align 16
@st = external dso_local local_unnamed_addr global [20100 x i32], align 16
@tp = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i8, align 1
  %4 = alloca %"struct.std::pair", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 1
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #6
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  %18 = load i32, ptr @n, align 4, !tbaa !5
  %.not31 = icmp slt i32 %18, 1
  br i1 %.not31, label %._crit_edge35, label %.lr.ph34.preheader

.lr.ph34.preheader:                               ; preds = %._crit_edge
  %.pre = load i32, ptr @tp, align 4, !tbaa !5
  br label %.lr.ph34

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.016 = phi i32 [ %34, %.lr.ph ], [ 1, %0 ]
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %21
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %23 = load i8, ptr %3, align 1, !tbaa !9
  %24 = sext i8 %23 to i32
  %25 = add nsw i32 %24, -97
  store i32 %25, ptr %5, align 4, !tbaa !5
  %26 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) %5)
  store i64 %26, ptr %4, align 8
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 4 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %28
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  %30 = load i8, ptr %3, align 1, !tbaa !9
  %31 = sext i8 %30 to i32
  %32 = add nsw i32 %31, -97
  store i32 %32, ptr %7, align 4, !tbaa !5
  %33 = call i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %7)
  store i64 %33, ptr %6, align 8
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %29, ptr noundef nonnull align 4 dereferenceable(8) %6)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #6
  %34 = add nuw nsw i32 %.016, 1
  %35 = load i32, ptr @n, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %.lr.ph, label %._crit_edge, !llvm.loop !10

._crit_edge35:                                    ; preds = %._crit_edge30, %._crit_edge
  %37 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph34:                                         ; preds = %.lr.ph34.preheader, %._crit_edge30
  %38 = phi i32 [ %114, %._crit_edge30 ], [ %18, %.lr.ph34.preheader ]
  %39 = phi i32 [ %115, %._crit_edge30 ], [ %.pre, %.lr.ph34.preheader ]
  %.01232 = phi i32 [ %116, %._crit_edge30 ], [ 1, %.lr.ph34.preheader ]
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr @tp, align 4, !tbaa !5
  %41 = sext i32 %39 to i64
  %42 = getelementptr inbounds [20100 x i32], ptr @st, i64 0, i64 %41
  store i32 %.01232, ptr %42, align 4, !tbaa !5
  %43 = icmp sgt i32 %39, -1
  br i1 %43, label %.lr.ph29, label %._crit_edge30

.lr.ph29:                                         ; preds = %.lr.ph34, %112
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %44 = load i32, ptr @tp, align 4, !tbaa !5
  %45 = icmp sgt i32 %44, 0
  br i1 %45, label %.lr.ph23, label %._crit_edge24

.lr.ph23:                                         ; preds = %.lr.ph29, %._crit_edge20
  %46 = phi i32 [ %63, %._crit_edge20 ], [ %44, %.lr.ph29 ]
  %.01321 = phi i32 [ %.1.lcssa, %._crit_edge20 ], [ 0, %.lr.ph29 ]
  %47 = add nsw i32 %46, -1
  store i32 %47, ptr @tp, align 4, !tbaa !5
  %48 = zext nneg i32 %47 to i64
  %49 = getelementptr inbounds [20100 x i32], ptr @st, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  store i32 %50, ptr %9, align 4, !tbaa !5
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %52 = load i32, ptr %51, align 4, !tbaa !5
  store i32 %52, ptr %10, align 4, !tbaa !5
  %53 = load i32, ptr %9, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = getelementptr inbounds [20100 x i32], ptr @visited, i64 0, i64 %54
  store i32 %.01232, ptr %55, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  %56 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %54
  %57 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %56) #6
  store ptr %57, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %58 = load i32, ptr %9, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %59
  %61 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %60) #6
  store ptr %61, ptr %12, align 8
  %62 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  br i1 %62, label %.lr.ph19, label %._crit_edge20

._crit_edge20:                                    ; preds = %87, %.lr.ph23
  %.1.lcssa = phi i32 [ %.01321, %.lr.ph23 ], [ %.2, %87 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  %63 = load i32, ptr @tp, align 4, !tbaa !5
  %64 = icmp sgt i32 %63, 0
  br i1 %64, label %.lr.ph23, label %._crit_edge24, !llvm.loop !12

.lr.ph19:                                         ; preds = %.lr.ph23, %87
  %.117 = phi i32 [ %.2, %87 ], [ %.01321, %.lr.ph23 ]
  %65 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  %66 = load i32, ptr %65, align 4, !tbaa !13
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [20100 x i32], ptr @visited, i64 0, i64 %67
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = icmp eq i32 %69, %.01232
  br i1 %70, label %87, label %71

71:                                               ; preds = %.lr.ph19
  %72 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  %73 = getelementptr inbounds i8, ptr %72, i64 4
  %74 = load i32, ptr %73, align 4, !tbaa !15
  %75 = icmp sgt i32 %74, %.117
  %76 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  %77 = getelementptr inbounds i8, ptr %76, i64 4
  %78 = load i32, ptr %77, align 4, !tbaa !15
  br i1 %75, label %79, label %83

79:                                               ; preds = %71
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %80 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(8) %80)
          to label %87 unwind label %81

81:                                               ; preds = %85, %79
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #6
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %82

83:                                               ; preds = %71
  %84 = icmp eq i32 %78, %.117
  br i1 %84, label %85, label %87

85:                                               ; preds = %83
  %86 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(8) %86)
          to label %87 unwind label %81

87:                                               ; preds = %79, %85, %83, %.lr.ph19
  %.2 = phi i32 [ %.117, %.lr.ph19 ], [ %78, %79 ], [ %.117, %85 ], [ %.117, %83 ]
  %88 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %11, i32 noundef 0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %89 = load i32, ptr %9, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = getelementptr inbounds [20100 x %"class.std::vector"], ptr @g, i64 0, i64 %90
  %92 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %91) #6
  store ptr %92, ptr %12, align 8
  %93 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  br i1 %93, label %.lr.ph19, label %._crit_edge20, !llvm.loop !16

._crit_edge24:                                    ; preds = %._crit_edge20, %.lr.ph29
  %94 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %95 = icmp eq i64 %94, 0
  br i1 %95, label %96, label %99

96:                                               ; preds = %._crit_edge24
  %97 = load i32, ptr %10, align 4, !tbaa !5
  %98 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %97)
  br label %112

99:                                               ; preds = %._crit_edge24
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %100 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  store ptr %100, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #6
  %101 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  store ptr %101, ptr %14, align 8
  %102 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #6
  br i1 %102, label %.lr.ph26, label %._crit_edge27

._crit_edge27:                                    ; preds = %.lr.ph26, %99
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  br label %112

.lr.ph26:                                         ; preds = %99, %.lr.ph26
  %103 = call noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  %104 = load i32, ptr %103, align 4, !tbaa !13
  %105 = load i32, ptr @tp, align 4, !tbaa !5
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr @tp, align 4, !tbaa !5
  %107 = sext i32 %105 to i64
  %108 = getelementptr inbounds [20100 x i32], ptr @st, i64 0, i64 %107
  store i32 %104, ptr %108, align 4, !tbaa !5
  %109 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %13, i32 noundef 0) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #6
  %110 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  store ptr %110, ptr %14, align 8
  %111 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #6
  br i1 %111, label %.lr.ph26, label %._crit_edge27, !llvm.loop !17

112:                                              ; preds = %._crit_edge27, %96
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  %.pr = load i32, ptr @tp, align 4, !tbaa !5
  %113 = icmp sgt i32 %.pr, 0
  br i1 %113, label %.lr.ph29, label %._crit_edge30.loopexit, !llvm.loop !18

._crit_edge30.loopexit:                           ; preds = %112
  %.pre36 = load i32, ptr @n, align 4, !tbaa !5
  br label %._crit_edge30

._crit_edge30:                                    ; preds = %._crit_edge30.loopexit, %.lr.ph34
  %114 = phi i32 [ %.pre36, %._crit_edge30.loopexit ], [ %38, %.lr.ph34 ]
  %115 = phi i32 [ %.pr, %._crit_edge30.loopexit ], [ %40, %.lr.ph34 ]
  %116 = add nuw nsw i32 %.01232, 1
  %.not.not = icmp slt i32 %.01232, %114
  br i1 %.not.not, label %.lr.ph34, label %._crit_edge35, !llvm.loop !19
}

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

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

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

attributes #0 = { 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 #1 = { 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 #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 #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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!15 = !{!14, !6, i64 4}
!16 = distinct !{!16, !11}
!17 = distinct !{!17, !11}
!18 = distinct !{!18, !11}
!19 = distinct !{!19, !11}


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