; LLVM IR from xirc/cp-algorithm :: atcoder/abc146/D/main.ll (Z3dfsii)

; 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::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<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<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@edges = external dso_local global %"class.std::vector", align 8
@nodeToColor = external dso_local global %"class.std::vector.3", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::set", align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca i32, align 4
  %15 = alloca ptr, align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca ptr, align 8
  %19 = alloca %"struct.std::pair", align 8
  %20 = alloca ptr, align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca ptr, align 8
  %24 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr %5) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @edges, i64 noundef %26) #4
  store ptr %27, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %28 = load ptr, ptr %6, align 8, !tbaa !9
  %29 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #4
  %30 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %31 = load ptr, ptr %6, align 8, !tbaa !9
  %32 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %31) #4
  %33 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %32, ptr %33, align 8
  br label %34

34:                                               ; preds = %62, %2
  %35 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %35, label %37, label %36

36:                                               ; preds = %34
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %68

37:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %38 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  store ptr %38, ptr %10, align 8, !tbaa !9
  %39 = load ptr, ptr %10, align 8, !tbaa !9
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %39, i64 noundef 1) #4
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %42) #4
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = icmp eq i32 %44, 0
  br i1 %45, label %46, label %47

46:                                               ; preds = %37
  store i32 3, ptr %9, align 4
  br label %59

47:                                               ; preds = %37
  %48 = load ptr, ptr %10, align 8, !tbaa !9
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %48, i64 noundef 1) #4
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %51) #4
  %53 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %52)
          to label %54 unwind label %64

54:                                               ; preds = %47
  %55 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 0
  %56 = extractvalue { ptr, i8 } %53, 0
  store ptr %56, ptr %55, align 8
  %57 = getelementptr inbounds { ptr, i8 }, ptr %13, i32 0, i32 1
  %58 = extractvalue { ptr, i8 } %53, 1
  store i8 %58, ptr %57, align 8
  store i32 0, ptr %9, align 4
  br label %59

59:                                               ; preds = %54, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %60 = load i32, ptr %9, align 4
  switch i32 %60, label %167 [
    i32 0, label %61
    i32 3, label %62
  ]

61:                                               ; preds = %59
  br label %62

62:                                               ; preds = %61, %59
  %63 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %34

64:                                               ; preds = %47
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %11, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %161

68:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  store i32 1, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %69 = load i32, ptr %3, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @edges, i64 noundef %70) #4
  store ptr %71, ptr %15, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %72 = load ptr, ptr %15, align 8, !tbaa !9
  %73 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %72) #4
  %74 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %73, ptr %74, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %75 = load ptr, ptr %15, align 8, !tbaa !9
  %76 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %75) #4
  %77 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %76, ptr %77, align 8
  br label %78

78:                                               ; preds = %119, %68
  %79 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  br i1 %79, label %81, label %80

80:                                               ; preds = %78
  store i32 4, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %121

81:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %82 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  store ptr %82, ptr %18, align 8, !tbaa !9
  %83 = load ptr, ptr %18, align 8, !tbaa !9
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %83, i64 noundef 1) #4
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %86) #4
  %88 = load i32, ptr %87, align 4, !tbaa !5
  %89 = icmp ne i32 %88, 0
  br i1 %89, label %90, label %91

90:                                               ; preds = %81
  store i32 5, ptr %9, align 4
  br label %116

91:                                               ; preds = %81
  br label %92

92:                                               ; preds = %96, %91
  %93 = invoke noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %94 unwind label %99

94:                                               ; preds = %92
  %95 = icmp ne i64 %93, 0
  br i1 %95, label %96, label %103

96:                                               ; preds = %94
  %97 = load i32, ptr %14, align 4, !tbaa !5
  %98 = add nsw i32 %97, 1
  store i32 %98, ptr %14, align 4, !tbaa !5
  br label %92, !llvm.loop !11

99:                                               ; preds = %103, %92
  %100 = landingpad { ptr, i32 }
          cleanup
  %101 = extractvalue { ptr, i32 } %100, 0
  store ptr %101, ptr %11, align 8
  %102 = extractvalue { ptr, i32 } %100, 1
  store i32 %102, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %160

103:                                              ; preds = %94
  %104 = load i32, ptr %14, align 4, !tbaa !5
  %105 = load ptr, ptr %18, align 8, !tbaa !9
  %106 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %105, i64 noundef 1) #4
  %107 = load i32, ptr %106, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %108) #4
  store i32 %104, ptr %109, align 4, !tbaa !5
  %110 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %5, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %111 unwind label %99

111:                                              ; preds = %103
  %112 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 0
  %113 = extractvalue { ptr, i8 } %110, 0
  store ptr %113, ptr %112, align 8
  %114 = getelementptr inbounds { ptr, i8 }, ptr %19, i32 0, i32 1
  %115 = extractvalue { ptr, i8 } %110, 1
  store i8 %115, ptr %114, align 8
  store i32 0, ptr %9, align 4
  br label %116

116:                                              ; preds = %111, %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  %117 = load i32, ptr %9, align 4
  switch i32 %117, label %167 [
    i32 0, label %118
    i32 5, label %119
  ]

118:                                              ; preds = %116
  br label %119

119:                                              ; preds = %118, %116
  %120 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  br label %78

121:                                              ; preds = %80
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #4
  %122 = load i32, ptr %3, align 4, !tbaa !5
  %123 = sext i32 %122 to i64
  %124 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @edges, i64 noundef %123) #4
  store ptr %124, ptr %20, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #4
  %125 = load ptr, ptr %20, align 8, !tbaa !9
  %126 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %125) #4
  %127 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %126, ptr %127, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #4
  %128 = load ptr, ptr %20, align 8, !tbaa !9
  %129 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %128) #4
  %130 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %129, ptr %130, align 8
  br label %131

131:                                              ; preds = %153, %121
  %132 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #4
  br i1 %132, label %134, label %133

133:                                              ; preds = %131
  store i32 8, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  br label %159

134:                                              ; preds = %131
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #4
  %135 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #4
  store ptr %135, ptr %23, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #4
  %136 = load ptr, ptr %23, align 8, !tbaa !9
  %137 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %136, i64 noundef 0) #4
  %138 = load i32, ptr %137, align 4, !tbaa !5
  store i32 %138, ptr %24, align 4, !tbaa !5
  %139 = load i32, ptr %24, align 4, !tbaa !5
  %140 = load i32, ptr %4, align 4, !tbaa !5
  %141 = icmp eq i32 %139, %140
  br i1 %141, label %142, label %143

142:                                              ; preds = %134
  store i32 9, ptr %9, align 4
  br label %147

143:                                              ; preds = %134
  %144 = load i32, ptr %24, align 4, !tbaa !5
  %145 = load i32, ptr %3, align 4, !tbaa !5
  invoke void @_Z3dfsii(i32 noundef %144, i32 noundef %145)
          to label %146 unwind label %155

146:                                              ; preds = %143
  store i32 0, ptr %9, align 4
  br label %147

147:                                              ; preds = %146, %142
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #4
  %148 = load i32, ptr %9, align 4
  switch i32 %148, label %150 [
    i32 0, label %149
  ]

149:                                              ; preds = %147
  store i32 0, ptr %9, align 4
  br label %150

150:                                              ; preds = %149, %147
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #4
  %151 = load i32, ptr %9, align 4
  switch i32 %151, label %167 [
    i32 0, label %152
    i32 9, label %153
  ]

152:                                              ; preds = %150
  br label %153

153:                                              ; preds = %152, %150
  %154 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #4
  br label %131

155:                                              ; preds = %143
  %156 = landingpad { ptr, i32 }
          cleanup
  %157 = extractvalue { ptr, i32 } %156, 0
  store ptr %157, ptr %11, align 8
  %158 = extractvalue { ptr, i32 } %156, 1
  store i32 %158, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #4
  br label %160

159:                                              ; preds = %133
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #4
  ret void

160:                                              ; preds = %155, %99
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %161

161:                                              ; preds = %160, %64
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %5) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr %5) #4
  br label %162

162:                                              ; preds = %161
  %163 = load ptr, ptr %11, align 8
  %164 = load i32, ptr %12, align 4
  %165 = insertvalue { ptr, i32 } poison, ptr %163, 0
  %166 = insertvalue { ptr, i32 } %165, i32 %164, 1
  resume { ptr, i32 } %166

167:                                              ; preds = %150, %116, %59
  unreachable
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 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) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 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 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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"}


; 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::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::array<int, 2>>, std::allocator<std::vector<std::array<int, 2>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<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<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@edges = external dso_local global %"class.std::vector", align 8
@nodeToColor = external dso_local global %"class.std::vector.3", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::set", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %3) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #4
  %11 = sext i32 %0 to i64
  %12 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @edges, i64 noundef %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %13 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %13, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %14 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  store ptr %14, ptr %5, align 8
  %15 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %33, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  store i32 1, ptr %6, align 4, !tbaa !5
  %16 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @edges, i64 noundef %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %17 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  store ptr %17, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %18 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #4
  store ptr %18, ptr %8, align 8
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %19, label %.lr.ph31, label %._crit_edge32

.lr.ph:                                           ; preds = %2, %33
  %20 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %20, i64 noundef 1) #4
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %23) #4
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = icmp eq i32 %25, 0
  br i1 %26, label %33, label %27

27:                                               ; preds = %.lr.ph
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %20, i64 noundef 1) #4
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %30) #4
  %32 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %31)
          to label %33 unwind label %36

33:                                               ; preds = %27, %.lr.ph
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  %35 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  br i1 %35, label %.lr.ph, label %._crit_edge

36:                                               ; preds = %27
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %74

._crit_edge32:                                    ; preds = %60, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  %38 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @edges, i64 noundef %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %39 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %38) #4
  store ptr %39, ptr %9, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %40 = call ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %38) #4
  store ptr %40, ptr %10, align 8
  %41 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br i1 %41, label %.lr.ph34, label %._crit_edge35

.lr.ph31:                                         ; preds = %._crit_edge, %60
  %42 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %42, i64 noundef 1) #4
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %45) #4
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %.not = icmp eq i32 %47, 0
  br i1 %.not, label %.preheader, label %60

.preheader:                                       ; preds = %.lr.ph31, %51
  %48 = invoke noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %49 unwind label %.loopexit

49:                                               ; preds = %.preheader
  %.not26 = icmp eq i64 %48, 0
  %50 = load i32, ptr %6, align 4, !tbaa !5
  br i1 %.not26, label %54, label %51

51:                                               ; preds = %49
  %52 = add nsw i32 %50, 1
  store i32 %52, ptr %6, align 4, !tbaa !5
  br label %.preheader, !llvm.loop !9

.loopexit:                                        ; preds = %.preheader
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %53

.loopexit.split-lp:                               ; preds = %54
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %53

53:                                               ; preds = %.loopexit.split-lp, %.loopexit
  %lpad.phi = phi { ptr, i32 } [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br label %73

54:                                               ; preds = %49
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %42, i64 noundef 1) #4
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @nodeToColor, i64 noundef %57) #4
  store i32 %50, ptr %58, align 4, !tbaa !5
  %59 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %3, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %60 unwind label %.loopexit.split-lp

60:                                               ; preds = %54, %.lr.ph31
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %62 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %62, label %.lr.ph31, label %._crit_edge32

._crit_edge35:                                    ; preds = %68, %._crit_edge32
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #4
  ret void

.lr.ph34:                                         ; preds = %._crit_edge32, %68
  %63 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %63, i64 noundef 0) #4
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = icmp eq i32 %65, %1
  br i1 %66, label %68, label %67

67:                                               ; preds = %.lr.ph34
  invoke void @_Z3dfsii(i32 noundef %65, i32 noundef %0)
          to label %68 unwind label %71

68:                                               ; preds = %67, %.lr.ph34
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  %70 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  br i1 %70, label %.lr.ph34, label %._crit_edge35

71:                                               ; preds = %67
  %72 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  br label %73

73:                                               ; preds = %71, %53
  %.pn = phi { ptr, i32 } [ %lpad.phi, %53 ], [ %72, %71 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  br label %74

74:                                               ; preds = %73, %36
  %.pn28 = phi { ptr, i32 } [ %37, %36 ], [ %.pn, %73 ]
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %3) #4
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn28
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt5arrayIiLm2EESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt5arrayIiLm2EESaIS1_EE3endEv(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_cxxneIPSt5arrayIiLm2EESt6vectorIS2_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 noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 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) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt5arrayIiLm2EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIiSt4lessIiESaIiEE5countERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 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 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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"}


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