; LLVM IR from brpapa/algorithms :: solutions/uva/820.ll (Z12edmonds_karpii)

; 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::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.20" = type { %"struct.std::_Vector_base.21" }
%"struct.std::_Vector_base.21" = 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i32, i32 }

@adj_list = external dso_local global %"class.std::vector", align 8
@V = external dso_local global i32, align 4
@remaining = external dso_local global %"class.std::vector", align 8
@flow = external dso_local global %"class.std::vector", align 8
@bfs_parent = external dso_local global %"class.std::vector.0", align 8
@rev = external dso_local global %"class.std::vector.5", align 8

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

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3bfsii(i32 noundef, i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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 #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z12edmonds_karpii(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::vector.0", align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector.0", align 8
  %9 = alloca %"class.std::vector.20", align 8
  %10 = alloca i32, align 4
  %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 %"struct.std::pair", align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"struct.std::pair", align 4
  %21 = alloca %"struct.std::pair", align 4
  %22 = alloca i32, align 4
  %23 = alloca %"struct.std::pair", align 4
  %24 = alloca i32, align 4
  %25 = alloca %"struct.std::pair", align 4
  %26 = alloca i32, align 4
  %27 = alloca i32, align 4
  %28 = alloca i32, align 4
  %29 = alloca i32, align 4
  %30 = alloca i32, align 4
  %31 = alloca i32, align 4
  %32 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  %33 = load i32, ptr @V, align 4, !tbaa !5
  %34 = sext i32 %33 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @llvm.memset.p0.i64(ptr align 8 %5, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  invoke void @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %34, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %35 unwind label %47

35:                                               ; preds = %2
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  %36 = load i32, ptr @V, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #6
  call void @llvm.memset.p0.i64(ptr align 8 %8, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  invoke void @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %37, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %38 unwind label %51

38:                                               ; preds = %35
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #6
  %39 = load i32, ptr @V, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #6
  call void @llvm.memset.p0.i64(ptr align 8 %9, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %40, ptr noundef nonnull align 8 dereferenceable(24) %9)
          to label %41 unwind label %55

41:                                               ; preds = %38
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %109, %41
  %43 = load i32, ptr %10, align 4, !tbaa !5
  %44 = load i32, ptr @V, align 4, !tbaa !5
  %45 = icmp slt i32 %43, %44
  br i1 %45, label %59, label %46

46:                                               ; preds = %42
  store i32 2, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %112

47:                                               ; preds = %2
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %6, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %7, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  br label %194

51:                                               ; preds = %35
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %6, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %7, align 4
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #6
  br label %194

55:                                               ; preds = %38
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %7, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  br label %194

59:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %61) #6
  store ptr %62, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %63 = load ptr, ptr %12, align 8, !tbaa !9
  %64 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %63) #6
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %64, ptr %65, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %66 = load ptr, ptr %12, align 8, !tbaa !9
  %67 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %66) #6
  %68 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %67, ptr %68, align 8
  br label %69

69:                                               ; preds = %106, %59
  %70 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  br i1 %70, label %72, label %71

71:                                               ; preds = %69
  store i32 5, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %108

72:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %73 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %15, ptr align 4 %73, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #6
  %74 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 0
  %75 = load i32, ptr %74, align 4, !tbaa !11
  store i32 %75, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  %76 = getelementptr inbounds %"struct.std::pair", ptr %15, i32 0, i32 1
  %77 = load i32, ptr %76, align 4, !tbaa !13
  store i32 %77, ptr %17, align 4, !tbaa !5
  %78 = load i32, ptr %10, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %79) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  %81 = load i32, ptr %16, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %82) #6
  %84 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %83) #6
  %85 = trunc i64 %84 to i32
  store i32 %85, ptr %18, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %80, ptr noundef nonnull align 4 dereferenceable(4) %18)
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  %86 = load i32, ptr %16, align 4, !tbaa !5
  %87 = sext i32 %86 to i64
  %88 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %87) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #6
  %89 = load i32, ptr %10, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %90) #6
  %92 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %91) #6
  %93 = trunc i64 %92 to i32
  store i32 %93, ptr %19, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %88, ptr noundef nonnull align 4 dereferenceable(4) %19)
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  %94 = load i32, ptr %10, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %95) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #6
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %20, ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %17)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %96, ptr noundef nonnull align 4 dereferenceable(8) %20)
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #6
  %97 = load i32, ptr %16, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %98) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #6
  store i32 0, ptr %22, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_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) %10, ptr noundef nonnull align 4 dereferenceable(4) %22)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %99, ptr noundef nonnull align 4 dereferenceable(8) %21)
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  %100 = load i32, ptr %10, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %101) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #6
  store i32 0, ptr %24, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_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) %16, ptr noundef nonnull align 4 dereferenceable(4) %24)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %102, ptr noundef nonnull align 4 dereferenceable(8) %23)
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #6
  %103 = load i32, ptr %16, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %104) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %26) #6
  store i32 0, ptr %26, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %25, ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %26)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %105, ptr noundef nonnull align 4 dereferenceable(8) %25)
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %106

106:                                              ; preds = %72
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  br label %69

108:                                              ; preds = %71
  br label %109

109:                                              ; preds = %108
  %110 = load i32, ptr %10, align 4, !tbaa !5
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %10, align 4, !tbaa !5
  br label %42, !llvm.loop !14

112:                                              ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr %27) #6
  store i32 0, ptr %27, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %28) #6
  br label %113

113:                                              ; preds = %191, %112
  %114 = load i32, ptr %3, align 4, !tbaa !5
  %115 = load i32, ptr %4, align 4, !tbaa !5
  %116 = call noundef i32 @_Z3bfsii(i32 noundef %114, i32 noundef %115)
  store i32 %116, ptr %28, align 4, !tbaa !5
  %117 = icmp ne i32 %116, 0
  br i1 %117, label %118, label %192

118:                                              ; preds = %113
  %119 = load i32, ptr %28, align 4, !tbaa !5
  %120 = load i32, ptr %27, align 4, !tbaa !5
  %121 = add nsw i32 %120, %119
  store i32 %121, ptr %27, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %29) #6
  %122 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %122, ptr %29, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %30) #6
  br label %123

123:                                              ; preds = %189, %118
  %124 = load i32, ptr %29, align 4, !tbaa !5
  %125 = sext i32 %124 to i64
  %126 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bfs_parent, i64 noundef %125) #6
  %127 = getelementptr inbounds %"struct.std::pair", ptr %126, i32 0, i32 0
  %128 = load i32, ptr %127, align 4, !tbaa !11
  %129 = icmp ne i32 %128, -1
  br i1 %129, label %131, label %130

130:                                              ; preds = %123
  store i32 9, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %30) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %29) #6
  br label %191

131:                                              ; preds = %123
  %132 = load i32, ptr %29, align 4, !tbaa !5
  %133 = sext i32 %132 to i64
  %134 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bfs_parent, i64 noundef %133) #6
  %135 = getelementptr inbounds %"struct.std::pair", ptr %134, i32 0, i32 0
  %136 = load i32, ptr %135, align 4, !tbaa !11
  store i32 %136, ptr %30, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %31) #6
  %137 = load i32, ptr %29, align 4, !tbaa !5
  %138 = sext i32 %137 to i64
  %139 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bfs_parent, i64 noundef %138) #6
  %140 = getelementptr inbounds %"struct.std::pair", ptr %139, i32 0, i32 1
  %141 = load i32, ptr %140, align 4, !tbaa !13
  store i32 %141, ptr %31, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %32) #6
  %142 = load i32, ptr %30, align 4, !tbaa !5
  %143 = sext i32 %142 to i64
  %144 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %143) #6
  %145 = load i32, ptr %31, align 4, !tbaa !5
  %146 = sext i32 %145 to i64
  %147 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %144, i64 noundef %146) #6
  %148 = load i32, ptr %147, align 4, !tbaa !5
  store i32 %148, ptr %32, align 4, !tbaa !5
  %149 = load i32, ptr %28, align 4, !tbaa !5
  %150 = load i32, ptr %30, align 4, !tbaa !5
  %151 = sext i32 %150 to i64
  %152 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %151) #6
  %153 = load i32, ptr %31, align 4, !tbaa !5
  %154 = sext i32 %153 to i64
  %155 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %152, i64 noundef %154) #6
  %156 = getelementptr inbounds %"struct.std::pair", ptr %155, i32 0, i32 1
  %157 = load i32, ptr %156, align 4, !tbaa !13
  %158 = sub nsw i32 %157, %149
  store i32 %158, ptr %156, align 4, !tbaa !13
  %159 = load i32, ptr %28, align 4, !tbaa !5
  %160 = load i32, ptr %29, align 4, !tbaa !5
  %161 = sext i32 %160 to i64
  %162 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %161) #6
  %163 = load i32, ptr %32, align 4, !tbaa !5
  %164 = sext i32 %163 to i64
  %165 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %162, i64 noundef %164) #6
  %166 = getelementptr inbounds %"struct.std::pair", ptr %165, i32 0, i32 1
  %167 = load i32, ptr %166, align 4, !tbaa !13
  %168 = add nsw i32 %167, %159
  store i32 %168, ptr %166, align 4, !tbaa !13
  %169 = load i32, ptr %28, align 4, !tbaa !5
  %170 = load i32, ptr %30, align 4, !tbaa !5
  %171 = sext i32 %170 to i64
  %172 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %171) #6
  %173 = load i32, ptr %31, align 4, !tbaa !5
  %174 = sext i32 %173 to i64
  %175 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %172, i64 noundef %174) #6
  %176 = getelementptr inbounds %"struct.std::pair", ptr %175, i32 0, i32 1
  %177 = load i32, ptr %176, align 4, !tbaa !13
  %178 = add nsw i32 %177, %169
  store i32 %178, ptr %176, align 4, !tbaa !13
  %179 = load i32, ptr %28, align 4, !tbaa !5
  %180 = load i32, ptr %29, align 4, !tbaa !5
  %181 = sext i32 %180 to i64
  %182 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %181) #6
  %183 = load i32, ptr %32, align 4, !tbaa !5
  %184 = sext i32 %183 to i64
  %185 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %182, i64 noundef %184) #6
  %186 = getelementptr inbounds %"struct.std::pair", ptr %185, i32 0, i32 1
  %187 = load i32, ptr %186, align 4, !tbaa !13
  %188 = sub nsw i32 %187, %179
  store i32 %188, ptr %186, align 4, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 4, ptr %32) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %31) #6
  br label %189

189:                                              ; preds = %131
  %190 = load i32, ptr %30, align 4, !tbaa !5
  store i32 %190, ptr %29, align 4, !tbaa !5
  br label %123, !llvm.loop !16

191:                                              ; preds = %130
  br label %113, !llvm.loop !17

192:                                              ; preds = %113
  %193 = load i32, ptr %27, align 4, !tbaa !5
  store i32 1, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %27) #6
  ret i32 %193

194:                                              ; preds = %55, %51, %47
  %195 = load ptr, ptr %6, align 8
  %196 = load i32, ptr %7, align 4
  %197 = insertvalue { ptr, i32 } poison, ptr %195, 0
  %198 = insertvalue { ptr, i32 } %197, i32 %196, 1
  resume { ptr, i32 } %198
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_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_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 noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: 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) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_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 #0 align 2

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

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { nounwind }

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

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


; 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::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::pair<int, int>>, std::allocator<std::vector<std::pair<int, int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.20" = type { %"struct.std::_Vector_base.21" }
%"struct.std::_Vector_base.21" = 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.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i32, i32 }

@adj_list = external dso_local global %"class.std::vector", align 8
@V = external dso_local local_unnamed_addr global i32, align 4
@remaining = external dso_local global %"class.std::vector", align 8
@flow = external dso_local global %"class.std::vector", align 8
@bfs_parent = external dso_local global %"class.std::vector.0", align 8
@rev = external dso_local global %"class.std::vector.5", align 8

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

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3bfsii(i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_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 noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #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 #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z12edmonds_karpii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::vector.20", 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 i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 4
  %14 = alloca %"struct.std::pair", align 4
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::pair", align 4
  %17 = alloca i32, align 4
  %18 = alloca %"struct.std::pair", align 4
  %19 = alloca i32, align 4
  %20 = load i32, ptr @V, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %3, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  invoke void @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %21, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %22 unwind label %33

22:                                               ; preds = %2
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  %23 = load i32, ptr @V, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %4, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  invoke void @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %24, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %25 unwind label %35

25:                                               ; preds = %22
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  %26 = load i32, ptr @V, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %5, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %27, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %28 unwind label %37

28:                                               ; preds = %25
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  %29 = load i32, ptr @V, align 4, !tbaa !5
  %30 = icmp sgt i32 %29, 0
  br i1 %30, label %.lr.ph36, label %._crit_edge37

._crit_edge37:                                    ; preds = %._crit_edge, %28
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  %31 = call noundef i32 @_Z3bfsii(i32 noundef %0, i32 noundef %1)
  %.not41 = icmp eq i32 %31, 0
  br i1 %.not41, label %._crit_edge45, label %.lr.ph44

.lr.ph44:                                         ; preds = %._crit_edge37
  %32 = sext i32 %1 to i64
  br label %80

33:                                               ; preds = %2
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  br label %119

35:                                               ; preds = %22
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  br label %119

37:                                               ; preds = %25
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  br label %119

.lr.ph36:                                         ; preds = %28, %._crit_edge
  %storemerge34 = phi i32 [ %45, %._crit_edge ], [ 0, %28 ]
  %39 = sext i32 %storemerge34 to i64
  %40 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @adj_list, i64 noundef %39) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #5
  %41 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %40) #5
  store ptr %41, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #5
  %42 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %40) #5
  store ptr %42, ptr %8, align 8
  %43 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %43, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph36
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #5
  %44 = load i32, ptr %6, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %6, align 4, !tbaa !5
  %46 = load i32, ptr @V, align 4, !tbaa !5
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %.lr.ph36, label %._crit_edge37, !llvm.loop !9

.lr.ph:                                           ; preds = %.lr.ph36, %.lr.ph
  %48 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %.sroa.0.0.copyload = load i32, ptr %48, align 4
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %48, i64 4
  %.sroa.4.0.copyload = load i32, ptr %.sroa.4.0..sroa_idx, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #5
  store i32 %.sroa.0.0.copyload, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #5
  store i32 %.sroa.4.0.copyload, ptr %10, align 4, !tbaa !5
  %49 = load i32, ptr %6, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %50) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #5
  %52 = load i32, ptr %9, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %53) #5
  %55 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %54) #5
  %56 = trunc i64 %55 to i32
  store i32 %56, ptr %11, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %51, ptr noundef nonnull align 4 dereferenceable(4) %11)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #5
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %58) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #5
  %60 = load i32, ptr %6, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %61) #5
  %63 = call noundef i64 @_ZNKSt6vectorISt4pairIiiESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %62) #5
  %64 = trunc i64 %63 to i32
  store i32 %64, ptr %12, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %59, ptr noundef nonnull align 4 dereferenceable(4) %12)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #5
  %65 = load i32, ptr %6, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %66) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #5
  call void @_ZNSt4pairIiiEC2IRiS2_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %67, ptr noundef nonnull align 4 dereferenceable(8) %13)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #5
  %68 = load i32, ptr %9, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %69) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %15) #5
  store i32 0, ptr %15, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %14, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %15)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %70, ptr noundef nonnull align 4 dereferenceable(8) %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #5
  %71 = load i32, ptr %6, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %72) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %17) #5
  store i32 0, ptr %17, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %16, ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %17)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %73, ptr noundef nonnull align 4 dereferenceable(8) %16)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #5
  %74 = load i32, ptr %9, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %75) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %18) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %19) #5
  store i32 0, ptr %19, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS4_S5_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %18, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %19)
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %76, ptr noundef nonnull align 4 dereferenceable(8) %18)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %18) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #5
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %78 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %78, label %.lr.ph, label %._crit_edge

.loopexit:                                        ; preds = %.lr.ph40, %80
  %79 = call noundef i32 @_Z3bfsii(i32 noundef %0, i32 noundef %1)
  %.not = icmp eq i32 %79, 0
  br i1 %.not, label %._crit_edge45, label %80, !llvm.loop !11

80:                                               ; preds = %.lr.ph44, %.loopexit
  %81 = phi i32 [ %31, %.lr.ph44 ], [ %79, %.loopexit ]
  %.02942 = phi i32 [ 0, %.lr.ph44 ], [ %82, %.loopexit ]
  %82 = add nsw i32 %81, %.02942
  %83 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bfs_parent, i64 noundef %32) #5
  %84 = load i32, ptr %83, align 4, !tbaa !12
  %.not3338 = icmp eq i32 %84, -1
  br i1 %.not3338, label %.loopexit, label %.lr.ph40

.lr.ph40:                                         ; preds = %80, %.lr.ph40
  %85 = phi i64 [ %91, %.lr.ph40 ], [ %32, %80 ]
  %86 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bfs_parent, i64 noundef %85) #5
  %87 = load i32, ptr %86, align 4, !tbaa !12
  %88 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bfs_parent, i64 noundef %85) #5
  %89 = getelementptr inbounds i8, ptr %88, i64 4
  %90 = load i32, ptr %89, align 4, !tbaa !14
  %91 = sext i32 %87 to i64
  %92 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @rev, i64 noundef %91) #5
  %93 = sext i32 %90 to i64
  %94 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %92, i64 noundef %93) #5
  %95 = load i32, ptr %94, align 4, !tbaa !5
  %96 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %91) #5
  %97 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %96, i64 noundef %93) #5
  %98 = getelementptr inbounds i8, ptr %97, i64 4
  %99 = load i32, ptr %98, align 4, !tbaa !14
  %100 = sub nsw i32 %99, %81
  store i32 %100, ptr %98, align 4, !tbaa !14
  %101 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @remaining, i64 noundef %85) #5
  %102 = sext i32 %95 to i64
  %103 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %101, i64 noundef %102) #5
  %104 = getelementptr inbounds i8, ptr %103, i64 4
  %105 = load i32, ptr %104, align 4, !tbaa !14
  %106 = add nsw i32 %105, %81
  store i32 %106, ptr %104, align 4, !tbaa !14
  %107 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %91) #5
  %108 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %107, i64 noundef %93) #5
  %109 = getelementptr inbounds i8, ptr %108, i64 4
  %110 = load i32, ptr %109, align 4, !tbaa !14
  %111 = add nsw i32 %110, %81
  store i32 %111, ptr %109, align 4, !tbaa !14
  %112 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @flow, i64 noundef %85) #5
  %113 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %112, i64 noundef %102) #5
  %114 = getelementptr inbounds i8, ptr %113, i64 4
  %115 = load i32, ptr %114, align 4, !tbaa !14
  %116 = sub nsw i32 %115, %81
  store i32 %116, ptr %114, align 4, !tbaa !14
  %117 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @bfs_parent, i64 noundef %91) #5
  %118 = load i32, ptr %117, align 4, !tbaa !12
  %.not33 = icmp eq i32 %118, -1
  br i1 %.not33, label %.loopexit, label %.lr.ph40, !llvm.loop !15

._crit_edge45:                                    ; preds = %.loopexit, %._crit_edge37
  %.029.lcssa = phi i32 [ 0, %._crit_edge37 ], [ %82, %.loopexit ]
  ret i32 %.029.lcssa

119:                                              ; preds = %37, %35, %33
  %.pn = phi { ptr, i32 } [ %38, %37 ], [ %36, %35 ], [ %34, %33 ]
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_ISt4pairIiiESaIS1_EESaIS3_EE6assignEmRKS3_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE6assignEmRKS1_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_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_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 #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IRiiTnNSt9enable_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 #0 align 2

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

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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 = distinct !{!11, !10}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!14 = !{!13, !6, i64 4}
!15 = distinct !{!15, !10}


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