; LLVM IR from VAR-solutions/Algorithms :: Graphs/Diameter_of_tree/Diameter_of_tree.ll (Z13shortest_pathi)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair.3" = type { i32, i32 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@g = external dso_local global [100005 x %"class.std::vector"], align 16
@dist = external dso_local global [100005 x i32], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13shortest_pathi(i32 noundef %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::set", align 8
  %5 = alloca %"struct.std::pair.3", align 4
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::pair", align 8
  %10 = alloca %"struct.std::pair.3", align 4
  %11 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %12 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %14 = alloca i32, align 4
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %21 = alloca %"struct.std::pair.3", align 4
  %22 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %23 = alloca %"struct.std::pair.3", align 4
  %24 = alloca %"struct.std::pair", align 8
  %25 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %34, %1
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = icmp slt i32 %27, 100001
  br i1 %28, label %30, label %29

29:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %37

30:                                               ; preds = %26
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %32
  store i32 1061109567, ptr %33, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %30
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %3, align 4, !tbaa !5
  br label %26, !llvm.loop !9

37:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 48, ptr %4) #5
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  invoke void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %38 unwind label %116

38:                                               ; preds = %37
  %39 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(8) %5)
          to label %40 unwind label %116

40:                                               ; preds = %38
  %41 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 0
  %42 = extractvalue { ptr, i8 } %39, 0
  store ptr %42, ptr %41, align 8
  %43 = getelementptr inbounds { ptr, i8 }, ptr %9, i32 0, i32 1
  %44 = extractvalue { ptr, i8 } %39, 1
  store i8 %44, ptr %43, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  %45 = load i32, ptr %2, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %46
  store i32 0, ptr %47, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %161, %40
  %49 = call noundef zeroext i1 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %50 = xor i1 %49, true
  br i1 %50, label %51, label %163

51:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  invoke void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 4 dereferenceable(8) %10)
          to label %52 unwind label %120

52:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %53 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %54 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %11, i32 0, i32 0
  store ptr %53, ptr %54, align 8
  %55 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %56 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(8) %55)
          to label %57 unwind label %124

57:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  %58 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  %59 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %12, i32 0, i32 0
  store ptr %58, ptr %59, align 8
  %60 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %12, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8
  %62 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr %61)
          to label %63 unwind label %120

63:                                               ; preds = %57
  %64 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %13, i32 0, i32 0
  store ptr %62, ptr %64, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %65 = getelementptr inbounds %"struct.std::pair.3", ptr %10, i32 0, i32 1
  %66 = load i32, ptr %65, align 4, !tbaa !11
  store i32 %66, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  call void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %67 = load i32, ptr %14, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = getelementptr inbounds [100005 x %"class.std::vector"], ptr @g, i64 0, i64 %68
  %70 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %69) #5
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %15, ptr align 8 %16, i64 8, i1 false), !tbaa.struct !13
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %72

72:                                               ; preds = %157, %63
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %73 = load i32, ptr %14, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [100005 x %"class.std::vector"], ptr @g, i64 0, i64 %74
  %76 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %75) #5
  %77 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %76, ptr %77, align 8
  %78 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  br i1 %78, label %79, label %161

79:                                               ; preds = %72
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  %80 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  %81 = getelementptr inbounds %"struct.std::pair.3", ptr %80, i32 0, i32 0
  %82 = load i32, ptr %81, align 4, !tbaa !16
  store i32 %82, ptr %18, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #5
  %83 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  %84 = getelementptr inbounds %"struct.std::pair.3", ptr %83, i32 0, i32 1
  %85 = load i32, ptr %84, align 4, !tbaa !11
  store i32 %85, ptr %19, align 4, !tbaa !5
  %86 = load i32, ptr %18, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %87
  %89 = load i32, ptr %88, align 4, !tbaa !5
  %90 = load i32, ptr %14, align 4, !tbaa !5
  %91 = sext i32 %90 to i64
  %92 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %91
  %93 = load i32, ptr %92, align 4, !tbaa !5
  %94 = load i32, ptr %19, align 4, !tbaa !5
  %95 = add nsw i32 %93, %94
  %96 = icmp sgt i32 %89, %95
  br i1 %96, label %97, label %156

97:                                               ; preds = %79
  %98 = load i32, ptr %18, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %99
  %101 = load i32, ptr %100, align 4, !tbaa !5
  %102 = icmp ne i32 %101, 1061109567
  br i1 %102, label %103, label %132

103:                                              ; preds = %97
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  %104 = load i32, ptr %18, align 4, !tbaa !5
  %105 = sext i32 %104 to i64
  %106 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %105
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %21, ptr noundef nonnull align 4 dereferenceable(4) %106, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %107 unwind label %128

107:                                              ; preds = %103
  %108 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(8) %21)
          to label %109 unwind label %128

109:                                              ; preds = %107
  %110 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %20, i32 0, i32 0
  store ptr %108, ptr %110, align 8
  %111 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %20, i32 0, i32 0
  %112 = load ptr, ptr %111, align 8
  %113 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr %112)
          to label %114 unwind label %128

114:                                              ; preds = %109
  %115 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %22, i32 0, i32 0
  store ptr %113, ptr %115, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  br label %132

116:                                              ; preds = %38, %37
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %7, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %164

120:                                              ; preds = %57, %51
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %7, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %8, align 4
  br label %162

124:                                              ; preds = %52
  %125 = landingpad { ptr, i32 }
          cleanup
  %126 = extractvalue { ptr, i32 } %125, 0
  store ptr %126, ptr %7, align 8
  %127 = extractvalue { ptr, i32 } %125, 1
  store i32 %127, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %162

128:                                              ; preds = %109, %107, %103
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %7, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  br label %160

132:                                              ; preds = %114, %97
  %133 = load i32, ptr %14, align 4, !tbaa !5
  %134 = sext i32 %133 to i64
  %135 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %134
  %136 = load i32, ptr %135, align 4, !tbaa !5
  %137 = load i32, ptr %19, align 4, !tbaa !5
  %138 = add nsw i32 %136, %137
  %139 = load i32, ptr %18, align 4, !tbaa !5
  %140 = sext i32 %139 to i64
  %141 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %140
  store i32 %138, ptr %141, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #5
  %142 = load i32, ptr %18, align 4, !tbaa !5
  %143 = sext i32 %142 to i64
  %144 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %143
  invoke void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %23, ptr noundef nonnull align 4 dereferenceable(4) %144, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %145 unwind label %152

145:                                              ; preds = %132
  %146 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %4, ptr noundef nonnull align 4 dereferenceable(8) %23)
          to label %147 unwind label %152

147:                                              ; preds = %145
  %148 = getelementptr inbounds { ptr, i8 }, ptr %24, i32 0, i32 0
  %149 = extractvalue { ptr, i8 } %146, 0
  store ptr %149, ptr %148, align 8
  %150 = getelementptr inbounds { ptr, i8 }, ptr %24, i32 0, i32 1
  %151 = extractvalue { ptr, i8 } %146, 1
  store i8 %151, ptr %150, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #5
  br label %156

152:                                              ; preds = %145, %132
  %153 = landingpad { ptr, i32 }
          cleanup
  %154 = extractvalue { ptr, i32 } %153, 0
  store ptr %154, ptr %7, align 8
  %155 = extractvalue { ptr, i32 } %153, 1
  store i32 %155, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #5
  br label %160

156:                                              ; preds = %147, %79
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %157

157:                                              ; preds = %156
  %158 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %15, i32 noundef 0) #5
  %159 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %25, i32 0, i32 0
  store ptr %158, ptr %159, align 8
  br label %72, !llvm.loop !17

160:                                              ; preds = %152, %128
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %162

161:                                              ; preds = %72
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %48, !llvm.loop !18

162:                                              ; preds = %160, %124, %120
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %164

163:                                              ; preds = %48
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #5
  ret void

164:                                              ; preds = %162, %116
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr %4) #5
  br label %165

165:                                              ; preds = %164
  %166 = load ptr, ptr %7, align 8
  %167 = load i32, ptr %8, align 4
  %168 = insertvalue { ptr, i32 } poison, ptr %166, 0
  %169 = insertvalue { ptr, i32 } %168, i32 %167, 1
  resume { ptr, i32 } %169
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 4 dereferenceable(8)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48), ptr) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

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

; 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)) #4

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

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 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) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 = !{!12, !6, i64 4}
!12 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!13 = !{i64 0, i64 8, !14}
!14 = !{!15, !15, i64 0}
!15 = !{!"any pointer", !7, i64 0}
!16 = !{!12, !6, i64 0}
!17 = distinct !{!17, !10}
!18 = distinct !{!18, !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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::pair<int, int>, std::pair<int, int>, std::_Identity<std::pair<int, int>>, std::less<std::pair<int, int>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::pair.3" = type { i32, i32 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@g = external dso_local global [100005 x %"class.std::vector"], align 16
@dist = external dso_local global [100005 x i32], align 16

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13shortest_pathi(i32 noundef %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::set", align 8
  %4 = alloca %"struct.std::pair.3", align 4
  %5 = alloca i32, align 4
  %6 = alloca %"struct.std::pair.3", align 4
  %7 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::pair.3", align 4
  %12 = alloca %"struct.std::pair.3", align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(400004) @dist, i8 63, i64 400004, i1 false), !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #5
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %13 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(8) %4)
          to label %14 unwind label %53

14:                                               ; preds = %1
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %16
  store i32 0, ptr %17, align 4, !tbaa !5
  %18 = call noundef zeroext i1 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  br i1 %18, label %._crit_edge29, label %.lr.ph28

.lr.ph28:                                         ; preds = %14
  %19 = getelementptr inbounds i8, ptr %6, i64 4
  br label %20

20:                                               ; preds = %.lr.ph28, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 4 dereferenceable(8) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %21 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  store ptr %21, ptr %7, align 8
  %22 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %23 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(8) %22)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %24 = call ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  %25 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr %24)
          to label %26 unwind label %55

26:                                               ; preds = %20
  %27 = load i32, ptr %19, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  call void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [100005 x %"class.std::vector"], ptr @g, i64 0, i64 %28
  %30 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #5
  store ptr %30, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %31 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #5
  store ptr %31, ptr %9, align 8
  %32 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  br i1 %32, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %26
  %33 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %28
  br label %34

34:                                               ; preds = %.lr.ph, %65
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #5
  %35 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  %36 = load i32, ptr %35, align 4, !tbaa !13
  store i32 %36, ptr %10, align 4, !tbaa !5
  %37 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  %38 = getelementptr inbounds i8, ptr %37, i64 4
  %39 = load i32, ptr %38, align 4, !tbaa !9
  %40 = load i32, ptr %10, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = load i32, ptr %33, align 4, !tbaa !5
  %45 = add nsw i32 %44, %39
  %46 = icmp sgt i32 %43, %45
  br i1 %46, label %47, label %65

47:                                               ; preds = %34
  %.not = icmp eq i32 %43, 1061109567
  br i1 %.not, label %59, label %48

48:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #5
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %11, ptr noundef nonnull align 4 dereferenceable(4) %42, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %49 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(8) %11)
          to label %50 unwind label %57

50:                                               ; preds = %48
  %51 = invoke ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr %49)
          to label %52 unwind label %57

52:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  %.pre = load i32, ptr %33, align 4, !tbaa !5
  %.pre31 = load i32, ptr %10, align 4, !tbaa !5
  %.pre32 = add nsw i32 %.pre, %39
  %.pre33 = sext i32 %.pre31 to i64
  br label %59

53:                                               ; preds = %1
  %54 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %72

55:                                               ; preds = %20
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %71

57:                                               ; preds = %50, %48
  %58 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #5
  br label %69

59:                                               ; preds = %52, %47
  %.pre-phi34 = phi i64 [ %.pre33, %52 ], [ %41, %47 ]
  %.pre-phi = phi i32 [ %.pre32, %52 ], [ %45, %47 ]
  %60 = getelementptr inbounds [100005 x i32], ptr @dist, i64 0, i64 %.pre-phi34
  store i32 %.pre-phi, ptr %60, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #5
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %12, ptr noundef nonnull align 4 dereferenceable(4) %60, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %61 = invoke { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(8) %12)
          to label %62 unwind label %63

62:                                               ; preds = %59
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #5
  br label %65

63:                                               ; preds = %59
  %64 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #5
  br label %69

65:                                               ; preds = %62, %34
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #5
  %66 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %8, i32 noundef 0) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %67 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #5
  store ptr %67, ptr %9, align 8
  %68 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  br i1 %68, label %34, label %._crit_edge, !llvm.loop !14

69:                                               ; preds = %63, %57
  %.pn = phi { ptr, i32 } [ %64, %63 ], [ %58, %57 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  br label %71

._crit_edge:                                      ; preds = %65, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  %70 = call noundef zeroext i1 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  br i1 %70, label %._crit_edge29, label %20, !llvm.loop !16

71:                                               ; preds = %69, %55
  %.pn.pn = phi { ptr, i32 } [ %.pn, %69 ], [ %56, %55 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  br label %72

._crit_edge29:                                    ; preds = %._crit_edge, %14
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #5
  ret void

72:                                               ; preds = %71, %53
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %71 ], [ %54, %53 ]
  call void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #5
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #5
  resume { ptr, i32 } %.pn.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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE6insertEOS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiRiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 4 dereferenceable(8)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorISt4pairIiiEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSERKS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIS1_E(ptr noundef nonnull align 8 dereferenceable(48), ptr) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #2 align 2

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

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

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EE4findERKS1_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setISt4pairIiiESt4lessIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { 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, !6, i64 4}
!10 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!10, !6, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}


; Effective O3 passes: BDCEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass