; LLVM IR from Lakhankumawat/LearnCPP :: G-Graphs/ArticulationPoints.ll (Z3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEE)

; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::_Bit_reference" = type { ptr, i64 }

@adj = external dso_local global %"class.std::unordered_map", align 8
@_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time = external hidden global i32, align 4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEE(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(40) %4) #0 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::_Bit_reference", align 8
  %17 = alloca %"struct.std::_Bit_reference", align 8
  store i32 %0, ptr %6, align 4, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  store ptr %4, ptr %10, align 8, !tbaa !9
  %18 = load i32, ptr @_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time, align 4, !tbaa !5
  %19 = load ptr, ptr %8, align 8, !tbaa !9
  %20 = load i32, ptr %6, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %21) #4
  store i32 %18, ptr %22, align 4, !tbaa !5
  %23 = load ptr, ptr %7, align 8, !tbaa !9
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %23, i64 noundef %25) #4
  store i32 %18, ptr %26, align 4, !tbaa !5
  %27 = load i32, ptr @_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr @_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %29 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) @adj, ptr noundef nonnull align 4 dereferenceable(4) %6)
  store ptr %29, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %30 = load ptr, ptr %12, align 8, !tbaa !9
  %31 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %30) #4
  %32 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %31, ptr %32, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %33 = load ptr, ptr %12, align 8, !tbaa !9
  %34 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %33) #4
  %35 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %34, ptr %35, align 8
  br label %36

36:                                               ; preds = %149, %5
  %37 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  br i1 %37, label %39, label %38

38:                                               ; preds = %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  br label %151

39:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  %41 = load i32, ptr %40, align 4, !tbaa !5
  store i32 %41, ptr %15, align 4, !tbaa !5
  %42 = load ptr, ptr %7, align 8, !tbaa !9
  %43 = load i32, ptr %15, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %42, i64 noundef %44) #4
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = icmp eq i32 %46, -1
  br i1 %47, label %48, label %124

48:                                               ; preds = %39
  %49 = load i32, ptr %11, align 4, !tbaa !5
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %11, align 4, !tbaa !5
  %51 = load i32, ptr %6, align 4, !tbaa !5
  %52 = load ptr, ptr %9, align 8, !tbaa !9
  %53 = load i32, ptr %15, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %52, i64 noundef %54) #4
  store i32 %51, ptr %55, align 4, !tbaa !5
  %56 = load i32, ptr %15, align 4, !tbaa !5
  %57 = load ptr, ptr %7, align 8, !tbaa !9
  %58 = load ptr, ptr %8, align 8, !tbaa !9
  %59 = load ptr, ptr %9, align 8, !tbaa !9
  %60 = load ptr, ptr %10, align 8, !tbaa !9
  call void @_Z3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEE(i32 noundef %56, ptr noundef nonnull align 8 dereferenceable(24) %57, ptr noundef nonnull align 8 dereferenceable(24) %58, ptr noundef nonnull align 8 dereferenceable(24) %59, ptr noundef nonnull align 8 dereferenceable(40) %60)
  %61 = load ptr, ptr %8, align 8, !tbaa !9
  %62 = load i32, ptr %6, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %61, i64 noundef %63) #4
  %65 = load ptr, ptr %8, align 8, !tbaa !9
  %66 = load i32, ptr %15, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %65, i64 noundef %67) #4
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %64, ptr noundef nonnull align 4 dereferenceable(4) %68)
  %70 = load i32, ptr %69, align 4, !tbaa !5
  %71 = load ptr, ptr %8, align 8, !tbaa !9
  %72 = load i32, ptr %6, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %71, i64 noundef %73) #4
  store i32 %70, ptr %74, align 4, !tbaa !5
  %75 = load ptr, ptr %9, align 8, !tbaa !9
  %76 = load i32, ptr %6, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %75, i64 noundef %77) #4
  %79 = load i32, ptr %78, align 4, !tbaa !5
  %80 = icmp eq i32 %79, -1
  br i1 %80, label %81, label %94

81:                                               ; preds = %48
  %82 = load i32, ptr %11, align 4, !tbaa !5
  %83 = icmp sgt i32 %82, 1
  br i1 %83, label %84, label %94

84:                                               ; preds = %81
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #4
  %85 = load ptr, ptr %10, align 8, !tbaa !9
  %86 = load i32, ptr %6, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %85, i64 noundef %87)
  %89 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 0
  %90 = extractvalue { ptr, i64 } %88, 0
  store ptr %90, ptr %89, align 8
  %91 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 1
  %92 = extractvalue { ptr, i64 } %88, 1
  store i64 %92, ptr %91, align 8
  %93 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %16, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #4
  br label %94

94:                                               ; preds = %84, %81, %48
  %95 = load ptr, ptr %9, align 8, !tbaa !9
  %96 = load i32, ptr %6, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %95, i64 noundef %97) #4
  %99 = load i32, ptr %98, align 4, !tbaa !5
  %100 = icmp ne i32 %99, -1
  br i1 %100, label %101, label %123

101:                                              ; preds = %94
  %102 = load ptr, ptr %8, align 8, !tbaa !9
  %103 = load i32, ptr %15, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %102, i64 noundef %104) #4
  %106 = load i32, ptr %105, align 4, !tbaa !5
  %107 = load ptr, ptr %7, align 8, !tbaa !9
  %108 = load i32, ptr %6, align 4, !tbaa !5
  %109 = sext i32 %108 to i64
  %110 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %107, i64 noundef %109) #4
  %111 = load i32, ptr %110, align 4, !tbaa !5
  %112 = icmp sge i32 %106, %111
  br i1 %112, label %113, label %123

113:                                              ; preds = %101
  call void @llvm.lifetime.start.p0(i64 16, ptr %17) #4
  %114 = load ptr, ptr %10, align 8, !tbaa !9
  %115 = load i32, ptr %6, align 4, !tbaa !5
  %116 = sext i32 %115 to i64
  %117 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %114, i64 noundef %116)
  %118 = getelementptr inbounds { ptr, i64 }, ptr %17, i32 0, i32 0
  %119 = extractvalue { ptr, i64 } %117, 0
  store ptr %119, ptr %118, align 8
  %120 = getelementptr inbounds { ptr, i64 }, ptr %17, i32 0, i32 1
  %121 = extractvalue { ptr, i64 } %117, 1
  store i64 %121, ptr %120, align 8
  %122 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %17, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %17) #4
  br label %123

123:                                              ; preds = %113, %101, %94
  br label %148

124:                                              ; preds = %39
  %125 = load i32, ptr %15, align 4, !tbaa !5
  %126 = load ptr, ptr %9, align 8, !tbaa !9
  %127 = load i32, ptr %6, align 4, !tbaa !5
  %128 = sext i32 %127 to i64
  %129 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %126, i64 noundef %128) #4
  %130 = load i32, ptr %129, align 4, !tbaa !5
  %131 = icmp ne i32 %125, %130
  br i1 %131, label %132, label %147

132:                                              ; preds = %124
  %133 = load ptr, ptr %8, align 8, !tbaa !9
  %134 = load i32, ptr %6, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %133, i64 noundef %135) #4
  %137 = load ptr, ptr %7, align 8, !tbaa !9
  %138 = load i32, ptr %15, align 4, !tbaa !5
  %139 = sext i32 %138 to i64
  %140 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %137, i64 noundef %139) #4
  %141 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %136, ptr noundef nonnull align 4 dereferenceable(4) %140)
  %142 = load i32, ptr %141, align 4, !tbaa !5
  %143 = load ptr, ptr %8, align 8, !tbaa !9
  %144 = load i32, ptr %6, align 4, !tbaa !5
  %145 = sext i32 %144 to i64
  %146 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %143, i64 noundef %145) #4
  store i32 %142, ptr %146, align 4, !tbaa !5
  br label %147

147:                                              ; preds = %132, %124
  br label %148

148:                                              ; preds = %147, %123
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %149

149:                                              ; preds = %148
  %150 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br label %36

151:                                              ; preds = %38
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  ret void
}

; 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) #1 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(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(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 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 = { 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 #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}


; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::_Bit_reference" = type { ptr, i64 }

@adj = external dso_local global %"class.std::unordered_map", align 8
@_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time = external hidden local_unnamed_addr global i32, align 4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEE(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(40) %4) local_unnamed_addr #0 {
  %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 %"struct.std::_Bit_reference", align 8
  %10 = alloca %"struct.std::_Bit_reference", align 8
  store i32 %0, ptr %6, align 4, !tbaa !5
  %11 = load i32, ptr @_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time, align 4, !tbaa !5
  %12 = sext i32 %0 to i64
  %13 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %12) #4
  store i32 %11, ptr %13, align 4, !tbaa !5
  %14 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %12) #4
  store i32 %11, ptr %14, align 4, !tbaa !5
  %15 = load i32, ptr @_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr @_ZZ3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEEE4time, align 4, !tbaa !5
  %17 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) @adj, ptr noundef nonnull align 4 dereferenceable(4) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %18 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  store ptr %18, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %19 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  store ptr %19, ptr %8, align 8
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %20, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %5
  %21 = getelementptr inbounds i8, ptr %9, i64 8
  %22 = getelementptr inbounds i8, ptr %10, i64 8
  br label %23

._crit_edge:                                      ; preds = %90, %5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  ret void

23:                                               ; preds = %.lr.ph, %90
  %.034 = phi i32 [ 0, %.lr.ph ], [ %.1, %90 ]
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %26) #4
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = icmp eq i32 %28, -1
  br i1 %29, label %30, label %75

30:                                               ; preds = %23
  %31 = add nsw i32 %.034, 1
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %26) #4
  store i32 %32, ptr %33, align 4, !tbaa !5
  call void @_Z3DFSiRSt6vectorIiSaIiEES2_S2_RS_IbSaIbEE(i32 noundef %25, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(40) %4)
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %35) #4
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %26) #4
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %36, ptr noundef nonnull align 4 dereferenceable(4) %37)
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %41) #4
  store i32 %39, ptr %42, align 4, !tbaa !5
  %43 = load i32, ptr %6, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %44) #4
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = icmp eq i32 %46, -1
  %48 = icmp sgt i32 %.034, 0
  %or.cond = select i1 %47, i1 %48, i1 false
  br i1 %or.cond, label %49, label %56

49:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #4
  %50 = load i32, ptr %6, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %51)
  %53 = extractvalue { ptr, i64 } %52, 0
  store ptr %53, ptr %9, align 8
  %54 = extractvalue { ptr, i64 } %52, 1
  store i64 %54, ptr %21, align 8
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %9, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #4
  br label %56

56:                                               ; preds = %49, %30
  %57 = load i32, ptr %6, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %58) #4
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %.not32 = icmp eq i32 %60, -1
  br i1 %.not32, label %90, label %61

61:                                               ; preds = %56
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %26) #4
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = load i32, ptr %6, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %65) #4
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %.not33 = icmp slt i32 %63, %67
  br i1 %.not33, label %90, label %68

68:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %10) #4
  %69 = load i32, ptr %6, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = call { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %70)
  %72 = extractvalue { ptr, i64 } %71, 0
  store ptr %72, ptr %10, align 8
  %73 = extractvalue { ptr, i64 } %71, 1
  store i64 %73, ptr %22, align 8
  %74 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %10, i1 noundef zeroext true) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #4
  br label %90

75:                                               ; preds = %23
  %76 = load i32, ptr %6, align 4, !tbaa !5
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %77) #4
  %79 = load i32, ptr %78, align 4, !tbaa !5
  %.not = icmp eq i32 %25, %79
  br i1 %.not, label %90, label %80

80:                                               ; preds = %75
  %81 = load i32, ptr %6, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %82) #4
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %26) #4
  %85 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %83, ptr noundef nonnull align 4 dereferenceable(4) %84)
  %86 = load i32, ptr %85, align 4, !tbaa !5
  %87 = load i32, ptr %6, align 4, !tbaa !5
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %88) #4
  store i32 %86, ptr %89, align 4, !tbaa !5
  br label %90

90:                                               ; preds = %75, %80, %56, %61, %68
  %.1 = phi i32 [ %31, %68 ], [ %31, %61 ], [ %31, %56 ], [ %.034, %80 ], [ %.034, %75 ]
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %92 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %92, label %23, label %._crit_edge
}

; 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 #1 align 2

; 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 uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(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(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3minIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 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 = { 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 #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"}


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