; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (769B-NewsAboutCredit)

; 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 }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::greater" = type { i8 }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 4
  %10 = alloca 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 %"struct.std::greater", align 1
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::vector", align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::pair", align 4
  %21 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #7
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #7
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %26 unwind label %32

26:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %27

27:                                               ; preds = %47, %26
  %28 = load i32, ptr %7, align 4, !tbaa !5
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %36, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %59

32:                                               ; preds = %0
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %5, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #7
  br label %184

36:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  %37 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %8)
          to label %38 unwind label %50

38:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  %39 = load i32, ptr %7, align 4, !tbaa !5
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %10, align 4, !tbaa !5
  %41 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %42 unwind label %54

42:                                               ; preds = %38
  store i64 %41, ptr %9, align 4
  %43 = load i32, ptr %7, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %44) #7
  %46 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %45, ptr noundef nonnull align 4 dereferenceable(8) %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %47

47:                                               ; preds = %42
  %48 = load i32, ptr %7, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %7, align 4, !tbaa !5
  br label %27, !llvm.loop !9

50:                                               ; preds = %36
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %5, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %6, align 4
  br label %58

54:                                               ; preds = %38
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %5, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #7
  br label %58

58:                                               ; preds = %54, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %183

59:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %60 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %61 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %60, ptr %61, align 8
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 8 %62, i64 8, i1 false), !tbaa.struct !11
  %63 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  %64 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %63, ptr %64, align 8
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  %66 = load ptr, ptr %65, align 8
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %68 = load ptr, ptr %67, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEESt7greaterIS3_EEvT_SB_T0_(ptr %66, ptr %68)
          to label %69 unwind label %75

69:                                               ; preds = %59
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 0, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %16) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %70

70:                                               ; preds = %131, %69
  %71 = load i32, ptr %17, align 4, !tbaa !5
  %72 = load i32, ptr %2, align 4, !tbaa !5
  %73 = icmp slt i32 %71, %72
  br i1 %73, label %79, label %74

74:                                               ; preds = %70
  store i32 5, ptr %18, align 4
  br label %134

75:                                               ; preds = %59
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %5, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  br label %183

79:                                               ; preds = %70
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #7
  %80 = load i32, ptr %15, align 4, !tbaa !5
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %19, align 4, !tbaa !5
  br label %82

82:                                               ; preds = %110, %79
  %83 = load i32, ptr %19, align 4, !tbaa !5
  %84 = load i32, ptr %15, align 4, !tbaa !5
  %85 = load i32, ptr %17, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %86) #7
  %88 = getelementptr inbounds %"struct.std::pair", ptr %87, i32 0, i32 0
  %89 = load i32, ptr %88, align 4, !tbaa !14
  %90 = add nsw i32 %84, %89
  %91 = icmp sle i32 %83, %90
  br i1 %91, label %93, label %92

92:                                               ; preds = %82
  store i32 8, ptr %18, align 4
  br label %117

93:                                               ; preds = %82
  %94 = load i32, ptr %19, align 4, !tbaa !5
  %95 = load i32, ptr %2, align 4, !tbaa !5
  %96 = icmp sge i32 %94, %95
  br i1 %96, label %97, label %98

97:                                               ; preds = %93
  store i32 8, ptr %18, align 4
  br label %117

98:                                               ; preds = %93
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  %99 = load i32, ptr %17, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %100) #7
  %102 = getelementptr inbounds %"struct.std::pair", ptr %101, i32 0, i32 1
  %103 = load i32, ptr %19, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %104) #7
  %106 = getelementptr inbounds %"struct.std::pair", ptr %105, i32 0, i32 1
  %107 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %102, ptr noundef nonnull align 4 dereferenceable(4) %106)
          to label %108 unwind label %113

108:                                              ; preds = %98
  store i64 %107, ptr %20, align 4
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %16, ptr noundef nonnull align 4 dereferenceable(8) %20)
          to label %109 unwind label %113

109:                                              ; preds = %108
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  br label %110

110:                                              ; preds = %109
  %111 = load i32, ptr %19, align 4, !tbaa !5
  %112 = add nsw i32 %111, 1
  store i32 %112, ptr %19, align 4, !tbaa !5
  br label %82, !llvm.loop !16

113:                                              ; preds = %108, %98
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %5, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %182

117:                                              ; preds = %97, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %17, align 4, !tbaa !5
  %120 = sext i32 %119 to i64
  %121 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %120) #7
  %122 = getelementptr inbounds %"struct.std::pair", ptr %121, i32 0, i32 0
  %123 = load i32, ptr %122, align 4, !tbaa !14
  %124 = load i32, ptr %15, align 4, !tbaa !5
  %125 = add nsw i32 %124, %123
  store i32 %125, ptr %15, align 4, !tbaa !5
  %126 = load i32, ptr %15, align 4, !tbaa !5
  %127 = load i32, ptr %17, align 4, !tbaa !5
  %128 = icmp sle i32 %126, %127
  br i1 %128, label %129, label %130

129:                                              ; preds = %118
  store i32 5, ptr %18, align 4
  br label %134

130:                                              ; preds = %118
  br label %131

131:                                              ; preds = %130
  %132 = load i32, ptr %17, align 4, !tbaa !5
  %133 = add nsw i32 %132, 1
  store i32 %133, ptr %17, align 4, !tbaa !5
  br label %70, !llvm.loop !17

134:                                              ; preds = %129, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %135

135:                                              ; preds = %134
  %136 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  %137 = load i32, ptr %2, align 4, !tbaa !5
  %138 = sub nsw i32 %137, 1
  %139 = sext i32 %138 to i64
  %140 = icmp ult i64 %136, %139
  br i1 %140, label %141, label %148

141:                                              ; preds = %135
  %142 = invoke i32 @puts(ptr noundef @.str.1)
          to label %143 unwind label %144

143:                                              ; preds = %141
  br label %180

144:                                              ; preds = %148, %141
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %5, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %6, align 4
  br label %182

148:                                              ; preds = %135
  %149 = load i32, ptr %2, align 4, !tbaa !5
  %150 = sub nsw i32 %149, 1
  %151 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %150)
          to label %152 unwind label %144

152:                                              ; preds = %148
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #7
  store i32 0, ptr %21, align 4, !tbaa !5
  br label %153

153:                                              ; preds = %172, %152
  %154 = load i32, ptr %21, align 4, !tbaa !5
  %155 = sext i32 %154 to i64
  %156 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  %157 = icmp ult i64 %155, %156
  br i1 %157, label %159, label %158

158:                                              ; preds = %153
  store i32 11, ptr %18, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #7
  br label %179

159:                                              ; preds = %153
  %160 = load i32, ptr %21, align 4, !tbaa !5
  %161 = sext i32 %160 to i64
  %162 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %161) #7
  %163 = getelementptr inbounds %"struct.std::pair", ptr %162, i32 0, i32 0
  %164 = load i32, ptr %163, align 4, !tbaa !14
  %165 = load i32, ptr %21, align 4, !tbaa !5
  %166 = sext i32 %165 to i64
  %167 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %166) #7
  %168 = getelementptr inbounds %"struct.std::pair", ptr %167, i32 0, i32 1
  %169 = load i32, ptr %168, align 4, !tbaa !18
  %170 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %164, i32 noundef %169)
          to label %171 unwind label %175

171:                                              ; preds = %159
  br label %172

172:                                              ; preds = %171
  %173 = load i32, ptr %21, align 4, !tbaa !5
  %174 = add nsw i32 %173, 1
  store i32 %174, ptr %21, align 4, !tbaa !5
  br label %153, !llvm.loop !19

175:                                              ; preds = %159
  %176 = landingpad { ptr, i32 }
          cleanup
  %177 = extractvalue { ptr, i32 } %176, 0
  store ptr %177, ptr %5, align 8
  %178 = extractvalue { ptr, i32 } %176, 1
  store i32 %178, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #7
  br label %182

179:                                              ; preds = %158
  br label %180

180:                                              ; preds = %179, %143
  store i32 0, ptr %1, align 4
  store i32 1, ptr %18, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %181 = load i32, ptr %1, align 4
  ret i32 %181

182:                                              ; preds = %175, %144, %113
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %183

183:                                              ; preds = %182, %75, %58
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %184

184:                                              ; preds = %183, %32
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %185

185:                                              ; preds = %184
  %186 = load ptr, ptr %5, align 8
  %187 = load i32, ptr %6, align 4
  %188 = insertvalue { ptr, i32 } poison, ptr %186, 0
  %189 = insertvalue { ptr, i32 } %188, i32 %187, 1
  resume { ptr, i32 } %189
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_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: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEESt7greaterIS3_EEvT_SB_T0_(ptr, ptr) #5

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

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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #6

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

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

; Function Attrs: mustprogress 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_pairIRiS0_ESt4pairINSt25__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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @puts(ptr noundef) #2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{i64 0, i64 8, !12}
!12 = !{!13, !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!16 = distinct !{!16, !10}
!17 = distinct !{!17, !10}
!18 = !{!15, !6, i64 4}
!19 = distinct !{!19, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<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 }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = add nsw i32 %11, 1
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %14 unwind label %20

14:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %25, %14
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %17 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  store ptr %17, ptr %7, align 8
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  %.sroa.018.0.copyload = load ptr, ptr %18, align 8, !tbaa !9
  %19 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEESt7greaterIS3_EEvT_SB_T0_(ptr %.sroa.018.0.copyload, ptr %19)
          to label %33 unwind label %44

20:                                               ; preds = %0
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  br label %84

.lr.ph:                                           ; preds = %14, %25
  %indvars.iv = phi i64 [ %indvars.iv.next, %25 ], [ 0, %14 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = trunc nuw nsw i64 %indvars.iv.next to i32
  store i32 %23, ptr %6, align 4, !tbaa !5
  %24 = invoke i64 @_ZSt9make_pairIRiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %25 unwind label %31

25:                                               ; preds = %.lr.ph
  store i64 %24, ptr %5, align 8
  %26 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #6
  %27 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %26, ptr noundef nonnull align 4 dereferenceable(8) %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %28 = load i32, ptr %1, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = icmp slt i64 %indvars.iv.next, %29
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !11

31:                                               ; preds = %.lr.ph
  %32 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %83

33:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  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
  %34 = load i32, ptr %1, align 4, !tbaa !5
  %35 = icmp sgt i32 %34, 0
  br i1 %35, label %.preheader, label %._crit_edge48

36:                                               ; preds = %._crit_edge45
  %indvars.iv.next59 = add nuw nsw i64 %indvars.iv58, 1
  %37 = load i32, ptr %1, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = icmp slt i64 %indvars.iv.next59, %38
  br i1 %39, label %.preheader, label %._crit_edge48, !llvm.loop !13

.preheader:                                       ; preds = %33, %36
  %indvars.iv58 = phi i64 [ %indvars.iv.next59, %36 ], [ 0, %33 ]
  %.02746 = phi i32 [ %63, %36 ], [ 0, %33 ]
  %.02539 = add i32 %.02746, 1
  %40 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv58) #6
  %41 = load i32, ptr %40, align 4, !tbaa !14
  %.not.not40 = icmp sgt i32 %41, 0
  %42 = load i32, ptr %1, align 4
  %.not41 = icmp slt i32 %.02539, %42
  %or.cond42 = select i1 %.not.not40, i1 %.not41, i1 false
  br i1 %or.cond42, label %.lr.ph44.preheader, label %._crit_edge45

.lr.ph44.preheader:                               ; preds = %.preheader
  %43 = sext i32 %.02539 to i64
  br label %.lr.ph44

44:                                               ; preds = %._crit_edge
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  br label %83

.lr.ph44:                                         ; preds = %.lr.ph44.preheader, %52
  %indvars.iv55 = phi i64 [ %43, %.lr.ph44.preheader ], [ %indvars.iv.next56, %52 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %46 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv58) #6
  %47 = getelementptr inbounds i8, ptr %46, i64 4
  %48 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv55) #6
  %49 = getelementptr inbounds i8, ptr %48, i64 4
  %50 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %47, ptr noundef nonnull align 4 dereferenceable(4) %49)
          to label %51 unwind label %59

51:                                               ; preds = %.lr.ph44
  store i64 %50, ptr %9, align 8
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(8) %9)
          to label %52 unwind label %59

52:                                               ; preds = %51
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  %indvars.iv.next56 = add nsw i64 %indvars.iv55, 1
  %53 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv58) #6
  %54 = load i32, ptr %53, align 4, !tbaa !14
  %55 = add nsw i32 %54, %.02746
  %56 = sext i32 %55 to i64
  %.not.not = icmp slt i64 %indvars.iv55, %56
  %57 = load i32, ptr %1, align 4
  %58 = sext i32 %57 to i64
  %.not = icmp slt i64 %indvars.iv.next56, %58
  %or.cond = select i1 %.not.not, i1 %.not, i1 false
  br i1 %or.cond, label %.lr.ph44, label %._crit_edge45, !llvm.loop !16

59:                                               ; preds = %51, %.lr.ph44
  %60 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, 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
  br label %83

._crit_edge45:                                    ; preds = %52, %.preheader
  %61 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv58) #6
  %62 = load i32, ptr %61, align 4, !tbaa !14
  %63 = add nsw i32 %62, %.02746
  %64 = sext i32 %63 to i64
  %.not34 = icmp slt i64 %indvars.iv58, %64
  br i1 %.not34, label %36, label %._crit_edge48

._crit_edge48:                                    ; preds = %36, %._crit_edge45, %33
  %65 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %66 = load i32, ptr %1, align 4, !tbaa !5
  %67 = add nsw i32 %66, -1
  %68 = sext i32 %67 to i64
  %69 = icmp ult i64 %65, %68
  br i1 %69, label %70, label %72

70:                                               ; preds = %._crit_edge48
  %71 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.1)
  br label %.loopexit

72:                                               ; preds = %._crit_edge48
  %73 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %67)
  %74 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %.not53 = icmp eq i64 %74, 0
  br i1 %.not53, label %.loopexit, label %.lr.ph52

.lr.ph52:                                         ; preds = %72, %.lr.ph52
  %indvars.iv61 = phi i64 [ %indvars.iv.next62, %.lr.ph52 ], [ 0, %72 ]
  %75 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %indvars.iv61) #6
  %76 = load i32, ptr %75, align 4, !tbaa !14
  %77 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %indvars.iv61) #6
  %78 = getelementptr inbounds i8, ptr %77, i64 4
  %79 = load i32, ptr %78, align 4, !tbaa !17
  %80 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %76, i32 noundef %79)
  %indvars.iv.next62 = add nuw nsw i64 %indvars.iv61, 1
  %81 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  %82 = icmp ugt i64 %81, %indvars.iv.next62
  br i1 %82, label %.lr.ph52, label %.loopexit, !llvm.loop !18

.loopexit:                                        ; preds = %.lr.ph52, %72, %70
  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 @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

83:                                               ; preds = %59, %44, %31
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %60, %59 ], [ %45, %44 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %84

84:                                               ; preds = %83, %20
  %.pn.pn = phi { ptr, i32 } [ %.pn, %83 ], [ %21, %20 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_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 nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEESt7greaterIS3_EEvT_SB_T0_(ptr, ptr) local_unnamed_addr #5

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

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

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

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

; Function Attrs: mustprogress 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_pairIRiS0_ESt4pairINSt25__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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

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

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!16 = distinct !{!16, !12}
!17 = !{!15, !6, i64 4}
!18 = distinct !{!18, !12}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass