; LLVM IR from Tunghohin/Competitive_Coding :: Codeforces/cf1702_E.ll (Z5solvev)

; 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.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" }

@G = external dso_local global [200010 x %"class.std::vector"], align 16
@color = external dso_local global [200010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z3dfsii(i32 noundef, 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i8, align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #5
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 1, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %22, %0
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = icmp sle i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %25

15:                                               ; preds = %10
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [200010 x i32], ptr @color, i64 0, i64 %17
  store i32 0, ptr %18, align 4, !tbaa !5
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %20
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #5
  br label %22

22:                                               ; preds = %15
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %2, align 4, !tbaa !5
  br label %10, !llvm.loop !9

25:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #5
  store i8 1, ptr %3, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 1, ptr %4, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %58, %25
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = load i32, ptr %1, align 4, !tbaa !5
  %29 = icmp sle i32 %27, %28
  br i1 %29, label %31, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %61

31:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %34 = load i32, ptr %5, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %35
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %37 = load i32, ptr %6, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %38
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %39, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %40 = load i32, ptr %5, align 4, !tbaa !5
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = icmp eq i32 %40, %41
  br i1 %42, label %43, label %44

43:                                               ; preds = %31
  store i8 0, ptr %3, align 1, !tbaa !11
  br label %44

44:                                               ; preds = %43, %31
  %45 = load i32, ptr %5, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %46
  %48 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %47) #5
  %49 = icmp ugt i64 %48, 2
  br i1 %49, label %56, label %50

50:                                               ; preds = %44
  %51 = load i32, ptr %6, align 4, !tbaa !5
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %52
  %54 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %53) #5
  %55 = icmp ugt i64 %54, 2
  br i1 %55, label %56, label %57

56:                                               ; preds = %50, %44
  store i8 0, ptr %3, align 1, !tbaa !11
  br label %57

57:                                               ; preds = %56, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %58

58:                                               ; preds = %57
  %59 = load i32, ptr %4, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %4, align 4, !tbaa !5
  br label %26, !llvm.loop !13

61:                                               ; preds = %30
  %62 = load i8, ptr %3, align 1, !tbaa !11, !range !14, !noundef !15
  %63 = trunc i8 %62 to i1
  br i1 %63, label %66, label %64

64:                                               ; preds = %61
  %65 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  store i32 1, ptr %7, align 4
  br label %92

66:                                               ; preds = %61
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %85, %66
  %68 = load i32, ptr %8, align 4, !tbaa !5
  %69 = load i32, ptr %1, align 4, !tbaa !5
  %70 = icmp sle i32 %68, %69
  br i1 %70, label %72, label %71

71:                                               ; preds = %67
  store i32 8, ptr %7, align 4
  br label %88

72:                                               ; preds = %67
  %73 = load i32, ptr %8, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [200010 x i32], ptr @color, i64 0, i64 %74
  %76 = load i32, ptr %75, align 4, !tbaa !5
  %77 = icmp ne i32 %76, 0
  br i1 %77, label %84, label %78

78:                                               ; preds = %72
  %79 = load i32, ptr %8, align 4, !tbaa !5
  %80 = call noundef zeroext i1 @_Z3dfsii(i32 noundef %79, i32 noundef 1)
  br i1 %80, label %83, label %81

81:                                               ; preds = %78
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  store i32 1, ptr %7, align 4
  br label %88

83:                                               ; preds = %78
  br label %84

84:                                               ; preds = %83, %72
  br label %85

85:                                               ; preds = %84
  %86 = load i32, ptr %8, align 4, !tbaa !5
  %87 = add nsw i32 %86, 1
  store i32 %87, ptr %8, align 4, !tbaa !5
  br label %67, !llvm.loop !16

88:                                               ; preds = %81, %71
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  %89 = load i32, ptr %7, align 4
  switch i32 %89, label %92 [
    i32 8, label %90
  ]

90:                                               ; preds = %88
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.2)
  store i32 0, ptr %7, align 4
  br label %92

92:                                               ; preds = %90, %88, %64
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #5
  %93 = load i32, ptr %7, align 4
  switch i32 %93, label %95 [
    i32 0, label %94
    i32 1, label %94
  ]

94:                                               ; preds = %92, %92
  ret void

95:                                               ; preds = %92
  unreachable
}

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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 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 noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 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) #4

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 = { "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 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 = { 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 #5 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = !{i8 0, i8 2}
!15 = !{}
!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.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" }

@G = external dso_local global [200010 x %"class.std::vector"], align 16
@color = external dso_local local_unnamed_addr global [200010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z3dfsii(i32 noundef, 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %4 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %.not20 = icmp slt i32 %5, 1
  br i1 %.not20, label %._crit_edge.thread, label %.lr.ph

.preheader19:                                     ; preds = %.lr.ph
  %.not1622 = icmp slt i32 %8, 1
  br i1 %.not1622, label %._crit_edge.thread, label %.lr.ph25

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 1, %0 ]
  %6 = getelementptr inbounds [200010 x i32], ptr @color, i64 0, i64 %indvars.iv
  store i32 0, ptr %6, align 4, !tbaa !5
  %7 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %indvars.iv
  call void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %.not.not = icmp slt i64 %indvars.iv, %9
  br i1 %.not.not, label %.lr.ph, label %.preheader19, !llvm.loop !9

._crit_edge:                                      ; preds = %30
  br i1 %spec.select, label %.preheader, label %._crit_edge.thread

.preheader:                                       ; preds = %._crit_edge
  %.not1726 = icmp slt i32 %32, 1
  br i1 %.not1726, label %._crit_edge.thread, label %.lr.ph28

.lr.ph25:                                         ; preds = %.preheader19, %.lr.ph25.backedge
  %.01324 = phi i32 [ %.01324.be, %.lr.ph25.backedge ], [ 1, %.preheader19 ]
  %.01423 = phi i1 [ %.01423.be, %.lr.ph25.backedge ], [ true, %.preheader19 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %10 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %13
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %15 = load i32, ptr %3, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %16
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = sext i32 %18 to i64
  %21 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %20
  %22 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #5
  %23 = icmp ugt i64 %22, 2
  br i1 %23, label %.thread, label %24

24:                                               ; preds = %.lr.ph25
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [200010 x %"class.std::vector"], ptr @G, i64 0, i64 %26
  %28 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #5
  %29 = icmp ugt i64 %28, 2
  br i1 %29, label %.thread, label %30

30:                                               ; preds = %24
  %31 = icmp ne i32 %18, %19
  %spec.select = select i1 %31, i1 %.01423, i1 false
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  %32 = load i32, ptr %1, align 4, !tbaa !5
  %.not16.not = icmp slt i32 %.01324, %32
  br i1 %.not16.not, label %.lr.ph25.backedge, label %._crit_edge

.lr.ph25.backedge:                                ; preds = %30, %.thread
  %.01423.be = phi i1 [ %spec.select, %30 ], [ false, %.thread ]
  %.01324.be = add nuw nsw i32 %.01324, 1
  br label %.lr.ph25, !llvm.loop !11

.thread:                                          ; preds = %.lr.ph25, %24
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  %33 = load i32, ptr %1, align 4, !tbaa !5
  %.not16.not36 = icmp slt i32 %.01324, %33
  br i1 %.not16.not36, label %.lr.ph25.backedge, label %._crit_edge.thread

.lr.ph28:                                         ; preds = %.preheader, %40
  %34 = phi i32 [ %41, %40 ], [ %32, %.preheader ]
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %40 ], [ 1, %.preheader ]
  %35 = getelementptr inbounds [200010 x i32], ptr @color, i64 0, i64 %indvars.iv30
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %.not18 = icmp eq i32 %36, 0
  br i1 %.not18, label %37, label %40

37:                                               ; preds = %.lr.ph28
  %38 = trunc nuw nsw i64 %indvars.iv30 to i32
  %39 = call noundef zeroext i1 @_Z3dfsii(i32 noundef %38, i32 noundef 1)
  br i1 %39, label %._crit_edge33, label %._crit_edge.thread

._crit_edge33:                                    ; preds = %37
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %._crit_edge33, %.lr.ph28
  %41 = phi i32 [ %.pre, %._crit_edge33 ], [ %34, %.lr.ph28 ]
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %42 = sext i32 %41 to i64
  %.not17.not = icmp slt i64 %indvars.iv30, %42
  br i1 %.not17.not, label %.lr.ph28, label %._crit_edge.thread, !llvm.loop !12

._crit_edge.thread:                               ; preds = %.thread, %40, %37, %.preheader, %.preheader19, %0, %._crit_edge
  %.str.sink = phi ptr [ @.str, %._crit_edge ], [ @.str.2, %0 ], [ @.str.2, %.preheader19 ], [ @.str.2, %.preheader ], [ @.str, %37 ], [ @.str.2, %40 ], [ @.str, %.thread ]
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %.str.sink)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret void
}

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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 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 noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 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 #4

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 = { "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 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 = { 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 #5 = { nounwind }

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

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


; Effective O3 passes: AggressiveInstCombinePass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass