; LLVM IR from ippeb/ACM-ICPC :: graph_theory/articfind (find_articulation_point)

; 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<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 }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@a = external dso_local global i32, align 4
@b = external dso_local global i32, align 4
@parent = external dso_local global [50001 x i32], align 16
@G = external dso_local global [50001 x %"class.std::vector"], align 16
@back = external dso_local global [50001 x %"class.std::vector"], align 16
@B = external dso_local global [50001 x i8], align 16
@DFN = external dso_local global [50001 x i32], align 16
@L = external dso_local global [50001 x i32], align 16
@num = external dso_local global i32, align 4
@arc = external dso_local global %"class.std::vector", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [28 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9dfs_artici(i32 noundef) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 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 ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 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 nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i32 0, ptr %1, align 4
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @N, ptr noundef @M)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %30, %0
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = load i32, ptr @M, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %33

22:                                               ; preds = %17
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @a, ptr noundef @b)
  %24 = load i32, ptr @a, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [50001 x %"class.std::vector"], ptr @G, i64 0, i64 %25
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %26, ptr noundef nonnull align 4 dereferenceable(4) @b)
  %27 = load i32, ptr @b, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [50001 x %"class.std::vector"], ptr @G, i64 0, i64 %28
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %29, ptr noundef nonnull align 4 dereferenceable(4) @a)
  br label %30

30:                                               ; preds = %22
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = add nsw i32 %31, 1
  store i32 %32, ptr %2, align 4, !tbaa !5
  br label %17, !llvm.loop !9

33:                                               ; preds = %21
  call void @llvm.memset.p0.i64(ptr align 16 @B, i8 0, i64 50001, i1 false)
  call void @llvm.memset.p0.i64(ptr align 16 @parent, i8 -1, i64 200004, i1 false)
  store i32 1, ptr @num, align 4, !tbaa !5
  %34 = load i32, ptr @num, align 4, !tbaa !5
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr @num, align 4, !tbaa !5
  store i32 %34, ptr @DFN, align 16, !tbaa !5
  call void @_Z9dfs_artici(i32 noundef 0)
  %36 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %37

37:                                               ; preds = %49, %33
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = load i32, ptr @N, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %42, label %41

41:                                               ; preds = %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %52

42:                                               ; preds = %37
  %43 = load i32, ptr %3, align 4, !tbaa !5
  %44 = load i32, ptr %3, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [50001 x i32], ptr @parent, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = call i32 (ptr, ...) @printf(ptr noundef @.str.6, i32 noundef %43, i32 noundef %47)
  br label %49

49:                                               ; preds = %42
  %50 = load i32, ptr %3, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %3, align 4, !tbaa !5
  br label %37, !llvm.loop !11

52:                                               ; preds = %41
  %53 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  %54 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %55

55:                                               ; preds = %85, %52
  %56 = load i32, ptr %4, align 4, !tbaa !5
  %57 = load i32, ptr @N, align 4, !tbaa !5
  %58 = icmp slt i32 %56, %57
  br i1 %58, label %60, label %59

59:                                               ; preds = %55
  store i32 8, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  br label %88

60:                                               ; preds = %55
  %61 = load i32, ptr %4, align 4, !tbaa !5
  %62 = call i32 (ptr, ...) @printf(ptr noundef @.str.9, i32 noundef %61)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  %63 = load i32, ptr %4, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = getelementptr inbounds [50001 x %"class.std::vector"], ptr @back, i64 0, i64 %64
  %66 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %65) #7
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %66, ptr %67, align 8
  br label %68

68:                                               ; preds = %80, %60
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  %69 = load i32, ptr %4, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = getelementptr inbounds [50001 x %"class.std::vector"], ptr @back, i64 0, i64 %70
  %72 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %71) #7
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  %74 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br i1 %74, label %76, label %75

75:                                               ; preds = %68
  store i32 11, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  br label %83

76:                                               ; preds = %68
  %77 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #7
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = call i32 (ptr, ...) @printf(ptr noundef @.str.10, i32 noundef %78)
  br label %80

80:                                               ; preds = %76
  %81 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %6, i32 noundef 0) #7
  %82 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %81, ptr %82, align 8
  br label %68, !llvm.loop !12

83:                                               ; preds = %75
  %84 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  br label %85

85:                                               ; preds = %83
  %86 = load i32, ptr %4, align 4, !tbaa !5
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %4, align 4, !tbaa !5
  br label %55, !llvm.loop !13

88:                                               ; preds = %59
  %89 = call i32 (ptr, ...) @printf(ptr noundef @.str.7)
  %90 = call i32 (ptr, ...) @printf(ptr noundef @.str.11)
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %91

91:                                               ; preds = %107, %88
  %92 = load i32, ptr %9, align 4, !tbaa !5
  %93 = load i32, ptr @N, align 4, !tbaa !5
  %94 = icmp slt i32 %92, %93
  br i1 %94, label %96, label %95

95:                                               ; preds = %91
  store i32 14, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %110

96:                                               ; preds = %91
  %97 = load i32, ptr %9, align 4, !tbaa !5
  %98 = load i32, ptr %9, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds [50001 x i32], ptr @DFN, i64 0, i64 %99
  %101 = load i32, ptr %100, align 4, !tbaa !5
  %102 = load i32, ptr %9, align 4, !tbaa !5
  %103 = sext i32 %102 to i64
  %104 = getelementptr inbounds [50001 x i32], ptr @L, i64 0, i64 %103
  %105 = load i32, ptr %104, align 4, !tbaa !5
  %106 = call i32 (ptr, ...) @printf(ptr noundef @.str.12, i32 noundef %97, i32 noundef %101, i32 noundef %105)
  br label %107

107:                                              ; preds = %96
  %108 = load i32, ptr %9, align 4, !tbaa !5
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %9, align 4, !tbaa !5
  br label %91, !llvm.loop !14

110:                                              ; preds = %95
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 0, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %111

111:                                              ; preds = %126, %110
  %112 = load i32, ptr %11, align 4, !tbaa !5
  %113 = load i32, ptr @N, align 4, !tbaa !5
  %114 = icmp slt i32 %112, %113
  br i1 %114, label %116, label %115

115:                                              ; preds = %111
  store i32 17, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %129

116:                                              ; preds = %111
  %117 = load i32, ptr %11, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  %119 = getelementptr inbounds [50001 x i32], ptr @parent, i64 0, i64 %118
  %120 = load i32, ptr %119, align 4, !tbaa !5
  %121 = icmp eq i32 %120, 0
  br i1 %121, label %122, label %125

122:                                              ; preds = %116
  %123 = load i32, ptr %10, align 4, !tbaa !5
  %124 = add nsw i32 %123, 1
  store i32 %124, ptr %10, align 4, !tbaa !5
  br label %125

125:                                              ; preds = %122, %116
  br label %126

126:                                              ; preds = %125
  %127 = load i32, ptr %11, align 4, !tbaa !5
  %128 = add nsw i32 %127, 1
  store i32 %128, ptr %11, align 4, !tbaa !5
  br label %111, !llvm.loop !15

129:                                              ; preds = %115
  %130 = load i32, ptr %10, align 4, !tbaa !5
  %131 = icmp sgt i32 %130, 1
  br i1 %131, label %132, label %133

132:                                              ; preds = %129
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  store i32 0, ptr %12, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) @arc, ptr noundef nonnull align 4 dereferenceable(4) %12)
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %133

133:                                              ; preds = %132, %129
  %134 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @arc) #7
  %135 = call i32 (ptr, ...) @printf(ptr noundef @.str.13, i64 noundef %134)
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #7
  %136 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @arc) #7
  %137 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %136, ptr %137, align 8
  br label %138

138:                                              ; preds = %147, %133
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  %139 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @arc) #7
  %140 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %139, ptr %140, align 8
  %141 = 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) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br i1 %141, label %143, label %142

142:                                              ; preds = %138
  store i32 20, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #7
  br label %150

143:                                              ; preds = %138
  %144 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %145 = load i32, ptr %144, align 4, !tbaa !5
  %146 = call i32 (ptr, ...) @printf(ptr noundef @.str.14, i32 noundef %145)
  br label %147

147:                                              ; preds = %143
  %148 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %13, i32 noundef 0) #7
  %149 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %148, ptr %149, align 8
  br label %138, !llvm.loop !16

150:                                              ; preds = %142
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  %151 = load i32, ptr %1, align 4
  ret i32 %151
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #5

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #6

declare i32 @printf(ptr noundef, ...) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { 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 = { 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 #5 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !10}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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 }

@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@a = external dso_local global i32, align 4
@b = external dso_local global i32, align 4
@parent = external dso_local local_unnamed_addr global [50001 x i32], align 16
@G = external dso_local global [50001 x %"class.std::vector"], align 16
@back = external dso_local global [50001 x %"class.std::vector"], align 16
@B = external dso_local local_unnamed_addr global [50001 x i8], align 16
@DFN = external dso_local local_unnamed_addr global [50001 x i32], align 16
@L = external dso_local local_unnamed_addr global [50001 x i32], align 16
@num = external dso_local local_unnamed_addr global i32, align 4
@arc = external dso_local global %"class.std::vector", align 8
@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [28 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [34 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z9dfs_artici(i32 noundef) local_unnamed_addr #0

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_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 ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 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 nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #4 {
  %1 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @N, ptr noundef nonnull @M)
  %7 = load i32, ptr @M, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(50001) @B, i8 0, i64 50001, i1 false)
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(200004) @parent, i8 -1, i64 200004, i1 false)
  store i32 2, ptr @num, align 4, !tbaa !5
  store i32 1, ptr @DFN, align 16, !tbaa !5
  tail call void @_Z9dfs_artici(i32 noundef 0)
  %9 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  %10 = load i32, ptr @N, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph31, label %._crit_edge32

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.028 = phi i32 [ %19, %.lr.ph ], [ 0, %0 ]
  %12 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @a, ptr noundef nonnull @b)
  %13 = load i32, ptr @a, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [50001 x %"class.std::vector"], ptr @G, i64 0, i64 %14
  tail call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 4 dereferenceable(4) @b)
  %16 = load i32, ptr @b, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [50001 x %"class.std::vector"], ptr @G, i64 0, i64 %17
  tail call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr noundef nonnull align 4 dereferenceable(4) @a)
  %19 = add nuw nsw i32 %.028, 1
  %20 = load i32, ptr @M, align 4, !tbaa !5
  %21 = icmp slt i32 %19, %20
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge32:                                    ; preds = %.lr.ph31, %._crit_edge
  %22 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  %23 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  %24 = load i32, ptr @N, align 4, !tbaa !5
  %25 = icmp sgt i32 %24, 0
  br i1 %25, label %.lr.ph38, label %._crit_edge39

.lr.ph31:                                         ; preds = %._crit_edge, %.lr.ph31
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph31 ], [ 0, %._crit_edge ]
  %26 = getelementptr inbounds [50001 x i32], ptr @parent, i64 0, i64 %indvars.iv
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = trunc nuw nsw i64 %indvars.iv to i32
  %29 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6, i32 noundef %28, i32 noundef %27)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %30 = load i32, ptr @N, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = icmp slt i64 %indvars.iv.next, %31
  br i1 %32, label %.lr.ph31, label %._crit_edge32, !llvm.loop !11

._crit_edge39:                                    ; preds = %._crit_edge35, %._crit_edge32
  %33 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  %34 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.11)
  %35 = load i32, ptr @N, align 4, !tbaa !5
  %36 = icmp sgt i32 %35, 0
  br i1 %36, label %.lr.ph42, label %._crit_edge46.thread

.lr.ph38:                                         ; preds = %._crit_edge32, %._crit_edge35
  %indvars.iv53 = phi i64 [ %indvars.iv.next54, %._crit_edge35 ], [ 0, %._crit_edge32 ]
  %37 = trunc nuw nsw i64 %indvars.iv53 to i32
  %38 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.9, i32 noundef %37)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #8
  %39 = getelementptr inbounds [50001 x %"class.std::vector"], ptr @back, i64 0, i64 %indvars.iv53
  %40 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #8
  store ptr %40, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #8
  %41 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #8
  store ptr %41, ptr %2, align 8
  %42 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #8
  br i1 %42, label %.lr.ph34, label %._crit_edge35

._crit_edge35:                                    ; preds = %.lr.ph34, %.lr.ph38
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #8
  %43 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.7)
  %indvars.iv.next54 = add nuw nsw i64 %indvars.iv53, 1
  %44 = load i32, ptr @N, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = icmp slt i64 %indvars.iv.next54, %45
  br i1 %46, label %.lr.ph38, label %._crit_edge39, !llvm.loop !12

.lr.ph34:                                         ; preds = %.lr.ph38, %.lr.ph34
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #8
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.10, i32 noundef %48)
  %50 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef 0) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #8
  %51 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #8
  store ptr %51, ptr %2, align 8
  %52 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #8
  br i1 %52, label %.lr.ph34, label %._crit_edge35, !llvm.loop !13

.preheader:                                       ; preds = %.lr.ph42
  %53 = icmp sgt i32 %70, 0
  br i1 %53, label %.lr.ph45.preheader, label %._crit_edge46.thread

.lr.ph45.preheader:                               ; preds = %.preheader
  %wide.trip.count = zext nneg i32 %70 to i64
  %min.iters.check = icmp ult i32 %70, 8
  br i1 %min.iters.check, label %.lr.ph45.preheader66, label %vector.ph

.lr.ph45.preheader66:                             ; preds = %middle.block, %.lr.ph45.preheader
  %indvars.iv59.ph = phi i64 [ 0, %.lr.ph45.preheader ], [ %n.vec, %middle.block ]
  %.02443.ph = phi i32 [ 0, %.lr.ph45.preheader ], [ %63, %middle.block ]
  br label %.lr.ph45

vector.ph:                                        ; preds = %.lr.ph45.preheader
  %n.vec = and i64 %wide.trip.count, 2147483640
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
  %vec.phi = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %60, %vector.body ]
  %vec.phi64 = phi <4 x i32> [ zeroinitializer, %vector.ph ], [ %61, %vector.body ]
  %54 = getelementptr inbounds [50001 x i32], ptr @parent, i64 0, i64 %index
  %55 = getelementptr inbounds i8, ptr %54, i64 16
  %wide.load = load <4 x i32>, ptr %54, align 16, !tbaa !5
  %wide.load65 = load <4 x i32>, ptr %55, align 16, !tbaa !5
  %56 = icmp eq <4 x i32> %wide.load, zeroinitializer
  %57 = icmp eq <4 x i32> %wide.load65, zeroinitializer
  %58 = zext <4 x i1> %56 to <4 x i32>
  %59 = zext <4 x i1> %57 to <4 x i32>
  %60 = add <4 x i32> %vec.phi, %58
  %61 = add <4 x i32> %vec.phi64, %59
  %index.next = add nuw i64 %index, 8
  %62 = icmp eq i64 %index.next, %n.vec
  br i1 %62, label %middle.block, label %vector.body, !llvm.loop !14

middle.block:                                     ; preds = %vector.body
  %bin.rdx = add <4 x i32> %61, %60
  %63 = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> %bin.rdx)
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %._crit_edge46, label %.lr.ph45.preheader66

.lr.ph42:                                         ; preds = %._crit_edge39, %.lr.ph42
  %indvars.iv56 = phi i64 [ %indvars.iv.next57, %.lr.ph42 ], [ 0, %._crit_edge39 ]
  %64 = getelementptr inbounds [50001 x i32], ptr @DFN, i64 0, i64 %indvars.iv56
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = getelementptr inbounds [50001 x i32], ptr @L, i64 0, i64 %indvars.iv56
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = trunc nuw nsw i64 %indvars.iv56 to i32
  %69 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.12, i32 noundef %68, i32 noundef %65, i32 noundef %67)
  %indvars.iv.next57 = add nuw nsw i64 %indvars.iv56, 1
  %70 = load i32, ptr @N, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = icmp slt i64 %indvars.iv.next57, %71
  br i1 %72, label %.lr.ph42, label %.preheader, !llvm.loop !17

._crit_edge46:                                    ; preds = %.lr.ph45, %middle.block
  %spec.select.lcssa = phi i32 [ %63, %middle.block ], [ %spec.select, %.lr.ph45 ]
  %73 = icmp ugt i32 %spec.select.lcssa, 1
  br i1 %73, label %78, label %._crit_edge46.thread

.lr.ph45:                                         ; preds = %.lr.ph45.preheader66, %.lr.ph45
  %indvars.iv59 = phi i64 [ %indvars.iv.next60, %.lr.ph45 ], [ %indvars.iv59.ph, %.lr.ph45.preheader66 ]
  %.02443 = phi i32 [ %spec.select, %.lr.ph45 ], [ %.02443.ph, %.lr.ph45.preheader66 ]
  %74 = getelementptr inbounds [50001 x i32], ptr @parent, i64 0, i64 %indvars.iv59
  %75 = load i32, ptr %74, align 4, !tbaa !5
  %76 = icmp eq i32 %75, 0
  %77 = zext i1 %76 to i32
  %spec.select = add nuw nsw i32 %.02443, %77
  %indvars.iv.next60 = add nuw nsw i64 %indvars.iv59, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next60, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge46, label %.lr.ph45, !llvm.loop !18

78:                                               ; preds = %._crit_edge46
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) @arc, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  br label %._crit_edge46.thread

._crit_edge46.thread:                             ; preds = %._crit_edge39, %.preheader, %78, %._crit_edge46
  %79 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @arc) #8
  %80 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.13, i64 noundef %79)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #8
  %81 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @arc) #8
  store ptr %81, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #8
  %82 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @arc) #8
  store ptr %82, ptr %5, align 8
  %83 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  br i1 %83, label %.lr.ph49, label %._crit_edge50

._crit_edge50:                                    ; preds = %.lr.ph49, %._crit_edge46.thread
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #8
  ret i32 0

.lr.ph49:                                         ; preds = %._crit_edge46.thread, %.lr.ph49
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #8
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.14, i32 noundef %85)
  %87 = call ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEi(ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 0) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #8
  %88 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @arc) #8
  store ptr %88, ptr %5, align 8
  %89 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  br i1 %89, label %.lr.ph49, label %._crit_edge50, !llvm.loop !19
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #6

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; 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 #0 align 2

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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.vector.reduce.add.v4i32(<4 x i32>) #7

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #5 = { nofree nounwind "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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #7 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #8 = { 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}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10, !15, !16}
!15 = !{!"llvm.loop.isvectorized", i32 1}
!16 = !{!"llvm.loop.unroll.runtime.disable"}
!17 = distinct !{!17, !10}
!18 = distinct !{!18, !10, !16, !15}
!19 = distinct !{!19, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass