; LLVM IR from lzyrapx/Competitive-Programming :: ACdream/1115（dfs打表）.ll (Z3dfsx)

; 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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>

@s = external dso_local global %"class.std::set", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z3calxx(i64 noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsx(i64 noundef %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::pair", align 8
  %13 = alloca i32, align 4
  store i64 %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #3
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %14 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @s) #3
  %15 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %4, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  br label %16

16:                                               ; preds = %43, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %17 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @s) #3
  %18 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %5, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  %19 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  store i32 2, ptr %6, align 4
  br label %46

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  %24 = load i64, ptr %23, align 8, !tbaa !5
  %25 = call noundef i64 @_Z3calxx(i64 noundef %22, i64 noundef %24)
  store i64 %25, ptr %7, align 8, !tbaa !5
  %26 = load i64, ptr %7, align 8, !tbaa !5
  %27 = icmp sgt i64 %26, 1000000000
  br i1 %27, label %28, label %29

28:                                               ; preds = %21
  store i32 2, ptr %6, align 4
  br label %40

29:                                               ; preds = %21
  %30 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) @s, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %31 unwind label %35

31:                                               ; preds = %29
  %32 = icmp eq i64 %30, 0
  br i1 %32, label %33, label %39

33:                                               ; preds = %31
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %34 unwind label %35

34:                                               ; preds = %33
  br label %39

35:                                               ; preds = %33, %29
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %8, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %92

39:                                               ; preds = %34, %31
  store i32 0, ptr %6, align 4
  br label %40

40:                                               ; preds = %39, %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  %41 = load i32, ptr %6, align 4
  switch i32 %41, label %46 [
    i32 0, label %42
  ]

42:                                               ; preds = %40
  br label %43

43:                                               ; preds = %42
  %44 = call ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8) %4, i32 noundef 0) #3
  %45 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %10, i32 0, i32 0
  store ptr %44, ptr %45, align 8
  br label %16, !llvm.loop !9

46:                                               ; preds = %40, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %47

47:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  store i32 0, ptr %11, align 4, !tbaa !11
  br label %48

48:                                               ; preds = %64, %47
  %49 = load i32, ptr %11, align 4, !tbaa !11
  %50 = sext i32 %49 to i64
  %51 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %52 = icmp ult i64 %50, %51
  br i1 %52, label %54, label %53

53:                                               ; preds = %48
  store i32 5, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %71

54:                                               ; preds = %48
  %55 = load i32, ptr %11, align 4, !tbaa !11
  %56 = sext i32 %55 to i64
  %57 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %56) #3
  %58 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48) @s, ptr noundef nonnull align 8 dereferenceable(8) %57)
          to label %59 unwind label %67

59:                                               ; preds = %54
  %60 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 0
  %61 = extractvalue { ptr, i8 } %58, 0
  store ptr %61, ptr %60, align 8
  %62 = getelementptr inbounds { ptr, i8 }, ptr %12, i32 0, i32 1
  %63 = extractvalue { ptr, i8 } %58, 1
  store i8 %63, ptr %62, align 8
  br label %64

64:                                               ; preds = %59
  %65 = load i32, ptr %11, align 4, !tbaa !11
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %11, align 4, !tbaa !11
  br label %48, !llvm.loop !13

67:                                               ; preds = %54
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %8, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %92

71:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  store i32 0, ptr %13, align 4, !tbaa !11
  br label %72

72:                                               ; preds = %84, %71
  %73 = load i32, ptr %13, align 4, !tbaa !11
  %74 = sext i32 %73 to i64
  %75 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  %76 = icmp ult i64 %74, %75
  br i1 %76, label %78, label %77

77:                                               ; preds = %72
  store i32 8, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %91

78:                                               ; preds = %72
  %79 = load i32, ptr %13, align 4, !tbaa !11
  %80 = sext i32 %79 to i64
  %81 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %80) #3
  %82 = load i64, ptr %81, align 8, !tbaa !5
  invoke void @_Z3dfsx(i64 noundef %82)
          to label %83 unwind label %87

83:                                               ; preds = %78
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %13, align 4, !tbaa !11
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %13, align 4, !tbaa !11
  br label %72, !llvm.loop !14

87:                                               ; preds = %78
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %8, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %92

91:                                               ; preds = %77
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #3
  ret void

92:                                               ; preds = %87, %67, %35
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #3
  br label %93

93:                                               ; preds = %92
  %94 = load ptr, ptr %8, align 8
  %95 = load i32, ptr %9, align 4
  %96 = insertvalue { ptr, i32 } poison, ptr %94, 0
  %97 = insertvalue { ptr, i32 } %96, i32 %95, 1
  resume { ptr, i32 } %97
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !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::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<long long, long long, std::_Identity<long long>, std::less<long long>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@s = external dso_local global %"class.std::set", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z3calxx(i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsx(i64 noundef %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %4 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #3
  call void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %6 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @s) #3
  store ptr %6, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %7 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @s) #3
  store ptr %7, ptr %4, align 8
  %8 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br i1 %8, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %1, %20
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #3
  %10 = load i64, ptr %9, align 8, !tbaa !5
  %11 = call noundef i64 @_Z3calxx(i64 noundef %0, i64 noundef %10)
  store i64 %11, ptr %5, align 8, !tbaa !5
  %12 = icmp slt i64 %11, 1000000001
  br i1 %12, label %13, label %.critedge

13:                                               ; preds = %.lr.ph
  %14 = invoke noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48) @s, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %15 unwind label %18

15:                                               ; preds = %13
  %16 = icmp eq i64 %14, 0
  br i1 %16, label %17, label %20

17:                                               ; preds = %15
  invoke void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %20 unwind label %18

18:                                               ; preds = %17, %13
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  br label %40

20:                                               ; preds = %17, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  %21 = call ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef 0) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %22 = call ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @s) #3
  store ptr %22, ptr %4, align 8
  %23 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br i1 %23, label %.lr.ph, label %.loopexit, !llvm.loop !9

.critedge:                                        ; preds = %.lr.ph
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  br label %.loopexit

.loopexit:                                        ; preds = %20, %1, %.critedge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %24 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %.not = icmp eq i64 %24, 0
  br i1 %.not, label %.preheader, label %.lr.ph18

.preheader:                                       ; preds = %28, %.loopexit
  %25 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %.not21 = icmp eq i64 %25, 0
  br i1 %.not21, label %._crit_edge, label %.lr.ph20

.lr.ph18:                                         ; preds = %.loopexit, %28
  %indvars.iv = phi i64 [ %indvars.iv.next, %28 ], [ 0, %.loopexit ]
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #3
  %27 = invoke { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48) @s, ptr noundef nonnull align 8 dereferenceable(8) %26)
          to label %28 unwind label %31

28:                                               ; preds = %.lr.ph18
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %29 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %30 = icmp ugt i64 %29, %indvars.iv.next
  br i1 %30, label %.lr.ph18, label %.preheader, !llvm.loop !11

31:                                               ; preds = %.lr.ph18
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %40

._crit_edge:                                      ; preds = %35, %.preheader
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #3
  ret void

.lr.ph20:                                         ; preds = %.preheader, %35
  %indvars.iv23 = phi i64 [ %indvars.iv.next24, %35 ], [ 0, %.preheader ]
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv23) #3
  %34 = load i64, ptr %33, align 8, !tbaa !5
  invoke void @_Z3dfsx(i64 noundef %34)
          to label %35 unwind label %38

35:                                               ; preds = %.lr.ph20
  %indvars.iv.next24 = add nuw nsw i64 %indvars.iv23, 1
  %36 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %37 = icmp ugt i64 %36, %indvars.iv.next24
  br i1 %37, label %.lr.ph20, label %._crit_edge, !llvm.loop !12

38:                                               ; preds = %.lr.ph20
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %40

40:                                               ; preds = %38, %31, %18
  %.pn = phi { ptr, i32 } [ %32, %31 ], [ %39, %38 ], [ %19, %18 ]
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #3
  resume { ptr, i32 } %.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIxES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIxSt4lessIxESaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt23_Rb_tree_const_iteratorIxEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt3setIxSt4lessIxESaIxEE5countERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE9push_backERKx(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt23_Rb_tree_const_iteratorIxEppEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIxSt4lessIxESaIxEE6insertERKx(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 = { 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 = !{!"long long", !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,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass