; LLVM IR from smv1999/CompetitiveProgrammingQuestionBank :: Data Structures/Graphs/Representation (adjacency_list)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  %17 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %19 = load i32, ptr %6, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  %21 = zext i32 %20 to i64
  %22 = call ptr @llvm.stacksave.p0()
  store ptr %22, ptr %8, align 8
  %23 = alloca %"class.std::vector", i64 %21, align 16
  store i64 %21, ptr %9, align 8
  %24 = icmp eq i64 %21, 0
  br i1 %24, label %31, label %25

25:                                               ; preds = %2
  %26 = getelementptr inbounds %"class.std::vector", ptr %23, i64 %21
  br label %27

27:                                               ; preds = %27, %25
  %28 = phi ptr [ %23, %25 ], [ %29, %27 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %28) #7
  %29 = getelementptr inbounds %"class.std::vector", ptr %28, i64 1
  %30 = icmp eq ptr %29, %26
  br i1 %30, label %31, label %27

31:                                               ; preds = %27, %2
  br label %32

32:                                               ; preds = %48, %31
  %33 = load i32, ptr %7, align 4, !tbaa !5
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr %7, align 4, !tbaa !5
  %35 = icmp ne i32 %33, 0
  br i1 %35, label %36, label %53

36:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  %37 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %38 unwind label %49

38:                                               ; preds = %36
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %37, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %40 unwind label %49

40:                                               ; preds = %38
  %41 = load i32, ptr %10, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds %"class.std::vector", ptr %23, i64 %42
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %43, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %44 unwind label %49

44:                                               ; preds = %40
  %45 = load i32, ptr %11, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds %"class.std::vector", ptr %23, i64 %46
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %47, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %48 unwind label %49

48:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %32, !llvm.loop !11

49:                                               ; preds = %44, %40, %38, %36
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %12, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %110

53:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 1, ptr %14, align 4, !tbaa !5
  br label %54

54:                                               ; preds = %92, %53
  %55 = load i32, ptr %14, align 4, !tbaa !5
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  %58 = icmp slt i32 %55, %57
  br i1 %58, label %60, label %59

59:                                               ; preds = %54
  store i32 4, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %100

60:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  store i32 0, ptr %16, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %82, %60
  %62 = load i32, ptr %16, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = load i32, ptr %14, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds %"class.std::vector", ptr %23, i64 %65
  %67 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %66) #7
  %68 = icmp ult i64 %63, %67
  br i1 %68, label %70, label %69

69:                                               ; preds = %61
  store i32 7, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %89

70:                                               ; preds = %61
  %71 = load i32, ptr %14, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = getelementptr inbounds %"class.std::vector", ptr %23, i64 %72
  %74 = load i32, ptr %16, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %73, i64 noundef %75) #7
  %77 = load i32, ptr %76, align 4, !tbaa !5
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %77)
          to label %79 unwind label %85

79:                                               ; preds = %70
  %80 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %78, ptr noundef @.str)
          to label %81 unwind label %85

81:                                               ; preds = %79
  br label %82

82:                                               ; preds = %81
  %83 = load i32, ptr %16, align 4, !tbaa !5
  %84 = add nsw i32 %83, 1
  store i32 %84, ptr %16, align 4, !tbaa !5
  br label %61, !llvm.loop !13

85:                                               ; preds = %79, %70
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %12, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %99

89:                                               ; preds = %69
  %90 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %91 unwind label %95

91:                                               ; preds = %89
  br label %92

92:                                               ; preds = %91
  %93 = load i32, ptr %14, align 4, !tbaa !5
  %94 = add nsw i32 %93, 1
  store i32 %94, ptr %14, align 4, !tbaa !5
  br label %54, !llvm.loop !14

95:                                               ; preds = %89
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %12, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %13, align 4
  br label %99

99:                                               ; preds = %95, %85
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %110

100:                                              ; preds = %59
  store i32 0, ptr %3, align 4
  store i32 1, ptr %15, align 4
  %101 = getelementptr inbounds %"class.std::vector", ptr %23, i64 %21
  %102 = icmp eq ptr %23, %101
  br i1 %102, label %107, label %103

103:                                              ; preds = %103, %100
  %104 = phi ptr [ %101, %100 ], [ %105, %103 ]
  %105 = getelementptr inbounds %"class.std::vector", ptr %104, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %105) #7
  %106 = icmp eq ptr %105, %23
  br i1 %106, label %107, label %103

107:                                              ; preds = %103, %100
  %108 = load ptr, ptr %8, align 8
  call void @llvm.stackrestore.p0(ptr %108)
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  %109 = load i32, ptr %3, align 4
  ret i32 %109

110:                                              ; preds = %99, %49
  %111 = getelementptr inbounds %"class.std::vector", ptr %23, i64 %21
  %112 = icmp eq ptr %23, %111
  br i1 %112, label %117, label %113

113:                                              ; preds = %113, %110
  %114 = phi ptr [ %111, %110 ], [ %115, %113 ]
  %115 = getelementptr inbounds %"class.std::vector", ptr %114, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %115) #7
  %116 = icmp eq ptr %115, %23
  br i1 %116, label %117, label %113

117:                                              ; preds = %113, %110
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  br label %118

118:                                              ; preds = %117
  %119 = load ptr, ptr %12, align 8
  %120 = load i32, ptr %13, align 4
  %121 = insertvalue { ptr, i32 } poison, ptr %119, 0
  %122 = insertvalue { ptr, i32 } %121, i32 %120, 1
  resume { ptr, i32 } %122
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #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) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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

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

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


; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readnone %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = add nsw i32 %9, 1
  %11 = zext i32 %10 to i64
  %12 = call ptr @llvm.stacksave.p0()
  %13 = alloca %"class.std::vector", i64 %11, align 16
  %14 = icmp eq i32 %10, 0
  br i1 %14, label %.loopexit26, label %15

15:                                               ; preds = %2
  %16 = getelementptr inbounds %"class.std::vector", ptr %13, i64 %11
  br label %17

17:                                               ; preds = %17, %15
  %18 = phi ptr [ %13, %15 ], [ %19, %17 ]
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #7
  %19 = getelementptr inbounds i8, ptr %18, i64 24
  %20 = icmp eq ptr %19, %16
  br i1 %20, label %.loopexit26, label %17

.loopexit26:                                      ; preds = %17, %2
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr %4, align 4, !tbaa !5
  %.not27 = icmp eq i32 %21, 0
  br i1 %.not27, label %.preheader25, label %.lr.ph

.preheader25:                                     ; preds = %35, %.loopexit26
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %.not1830 = icmp slt i32 %23, 1
  br i1 %.not1830, label %._crit_edge32, label %.preheader24

.lr.ph:                                           ; preds = %.loopexit26, %35
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %25 unwind label %38

25:                                               ; preds = %.lr.ph
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %27 unwind label %38

27:                                               ; preds = %25
  %28 = load i32, ptr %5, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  %30 = getelementptr inbounds %"class.std::vector", ptr %13, i64 %29
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %30, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %31 unwind label %38

31:                                               ; preds = %27
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds %"class.std::vector", ptr %13, i64 %33
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %34, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %35 unwind label %38

35:                                               ; preds = %31
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  %36 = load i32, ptr %4, align 4, !tbaa !5
  %37 = add nsw i32 %36, -1
  store i32 %37, ptr %4, align 4, !tbaa !5
  %.not = icmp eq i32 %36, 0
  br i1 %.not, label %.preheader25, label %.lr.ph, !llvm.loop !9

38:                                               ; preds = %31, %27, %25, %.lr.ph
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #7
  br label %62

.preheader24:                                     ; preds = %.preheader25, %54
  %indvars.iv35 = phi i64 [ %indvars.iv.next36, %54 ], [ 1, %.preheader25 ]
  %40 = getelementptr inbounds %"class.std::vector", ptr %13, i64 %indvars.iv35
  %41 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %40) #7
  %.not33 = icmp eq i64 %41, 0
  br i1 %.not33, label %._crit_edge, label %.lr.ph29

._crit_edge32:                                    ; preds = %54, %.preheader25
  br i1 %14, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %._crit_edge32
  %42 = getelementptr inbounds %"class.std::vector", ptr %13, i64 %11
  br label %.preheader

._crit_edge:                                      ; preds = %49, %.preheader24
  %43 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
          to label %54 unwind label %57

.lr.ph29:                                         ; preds = %.preheader24, %49
  %indvars.iv = phi i64 [ %indvars.iv.next, %49 ], [ 0, %.preheader24 ]
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %40, i64 noundef %indvars.iv) #7
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %45)
          to label %47 unwind label %52

47:                                               ; preds = %.lr.ph29
  %48 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %46, ptr noundef nonnull @.str)
          to label %49 unwind label %52

49:                                               ; preds = %47
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %50 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %40) #7
  %51 = icmp ugt i64 %50, %indvars.iv.next
  br i1 %51, label %.lr.ph29, label %._crit_edge, !llvm.loop !11

52:                                               ; preds = %47, %.lr.ph29
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %62

54:                                               ; preds = %._crit_edge
  %indvars.iv.next36 = add nuw nsw i64 %indvars.iv35, 1
  %55 = load i32, ptr %3, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %.not18.not = icmp slt i64 %indvars.iv35, %56
  br i1 %.not18.not, label %.preheader24, label %._crit_edge32, !llvm.loop !12

57:                                               ; preds = %._crit_edge
  %58 = landingpad { ptr, i32 }
          cleanup
  br label %62

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %59 = phi ptr [ %60, %.preheader ], [ %42, %.preheader.preheader ]
  %60 = getelementptr inbounds i8, ptr %59, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %60) #7
  %61 = icmp eq ptr %60, %13
  br i1 %61, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %._crit_edge32
  call void @llvm.stackrestore.p0(ptr %12)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  ret i32 0

62:                                               ; preds = %52, %57, %38
  %.pn20 = phi { ptr, i32 } [ %39, %38 ], [ %53, %52 ], [ %58, %57 ]
  br i1 %14, label %.loopexit23, label %.preheader22.preheader

.preheader22.preheader:                           ; preds = %62
  %63 = getelementptr inbounds %"class.std::vector", ptr %13, i64 %11
  br label %.preheader22

.preheader22:                                     ; preds = %.preheader22.preheader, %.preheader22
  %64 = phi ptr [ %65, %.preheader22 ], [ %63, %.preheader22.preheader ]
  %65 = getelementptr inbounds i8, ptr %64, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %65) #7
  %66 = icmp eq ptr %65, %13
  br i1 %66, label %.loopexit23, label %.preheader22

.loopexit23:                                      ; preds = %.preheader22, %62
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  resume { ptr, i32 } %.pn20
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #6

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #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 #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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

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

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


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