; LLVM IR from abeaumont/competitive-programming :: uva (11991)

; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }

@_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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %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.std::unordered_map", align 8
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  br label %11

11:                                               ; preds = %77, %0
  %12 = 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)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr %13, i64 %16
  %18 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %17)
  br i1 %18, label %19, label %79

19:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 56, ptr %6) #7
  call void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  br label %20

20:                                               ; preds = %31, %19
  %21 = load i32, ptr %7, align 4, !tbaa !8
  %22 = load i32, ptr %2, align 4, !tbaa !8
  %23 = icmp sle i32 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %38

25:                                               ; preds = %20
  %26 = 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 %27 unwind label %34

27:                                               ; preds = %25
  %28 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %29 unwind label %34

29:                                               ; preds = %27
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %28, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %30 unwind label %34

30:                                               ; preds = %29
  br label %31

31:                                               ; preds = %30
  %32 = load i32, ptr %7, align 4, !tbaa !8
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %7, align 4, !tbaa !8
  br label %20, !llvm.loop !11

34:                                               ; preds = %29, %27, %25
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %8, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %78

38:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 0, ptr %10, align 4, !tbaa !8
  br label %39

39:                                               ; preds = %70, %38
  %40 = load i32, ptr %10, align 4, !tbaa !8
  %41 = load i32, ptr %3, align 4, !tbaa !8
  %42 = icmp slt i32 %40, %41
  br i1 %42, label %44, label %43

43:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %77

44:                                               ; preds = %39
  %45 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %46 unwind label %73

46:                                               ; preds = %44
  %47 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %45, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %48 unwind label %73

48:                                               ; preds = %46
  %49 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %50 unwind label %73

50:                                               ; preds = %48
  %51 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %49) #7
  %52 = load i32, ptr %4, align 4, !tbaa !8
  %53 = sext i32 %52 to i64
  %54 = icmp uge i64 %51, %53
  br i1 %54, label %55, label %63

55:                                               ; preds = %50
  %56 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %57 unwind label %73

57:                                               ; preds = %55
  %58 = load i32, ptr %4, align 4, !tbaa !8
  %59 = sub nsw i32 %58, 1
  %60 = sext i32 %59 to i64
  %61 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %56, i64 noundef %60) #7
  %62 = load i32, ptr %61, align 4, !tbaa !8
  br label %64

63:                                               ; preds = %50
  br label %64

64:                                               ; preds = %63, %57
  %65 = phi i32 [ %62, %57 ], [ 0, %63 ]
  %66 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %65)
          to label %67 unwind label %73

67:                                               ; preds = %64
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %66, ptr noundef @.str)
          to label %69 unwind label %73

69:                                               ; preds = %67
  br label %70

70:                                               ; preds = %69
  %71 = load i32, ptr %10, align 4, !tbaa !8
  %72 = add nsw i32 %71, 1
  store i32 %72, ptr %10, align 4, !tbaa !8
  br label %39, !llvm.loop !13

73:                                               ; preds = %67, %64, %55, %48, %46, %44
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %8, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %78

77:                                               ; preds = %43
  call void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #7
  br label %11, !llvm.loop !14

78:                                               ; preds = %73, %34
  call void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %81

79:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %80 = load i32, ptr %1, align 4
  ret i32 %80

81:                                               ; preds = %78
  %82 = load ptr, ptr %8, align 8
  %83 = load i32, ptr %9, align 4
  %84 = insertvalue { ptr, i32 } poison, ptr %82, 0
  %85 = insertvalue { ptr, i32 } %84, i32 %83, 1
  resume { ptr, i32 } %85
}

; 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: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #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)) #3 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: 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) #5

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 i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #6 align 2

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 = { 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 #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 = { 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 #6 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }

@_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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::unordered_map", align 8
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  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) %1)
  %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) %2)
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr %8, i64 %11
  %13 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %12)
  br i1 %13, label %.lr.ph14, label %._crit_edge15

.lr.ph14:                                         ; preds = %0, %._crit_edge12
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %5) #7
  call void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 1, ptr %6, align 4, !tbaa !8
  %14 = load i32, ptr %1, align 4, !tbaa !8
  %.not8 = icmp slt i32 %14, 1
  br i1 %.not8, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %21, %.lr.ph14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  %15 = load i32, ptr %2, align 4, !tbaa !8
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph11, label %._crit_edge12

.lr.ph:                                           ; preds = %.lr.ph14, %21
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %18 unwind label %25

18:                                               ; preds = %.lr.ph
  %19 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %20 unwind label %25

20:                                               ; preds = %18
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %21 unwind label %25

21:                                               ; preds = %20
  %22 = load i32, ptr %6, align 4, !tbaa !8
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %6, align 4, !tbaa !8
  %24 = load i32, ptr %1, align 4, !tbaa !8
  %.not.not = icmp slt i32 %22, %24
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !11

25:                                               ; preds = %20, %18, %.lr.ph
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %62

._crit_edge12:                                    ; preds = %56, %._crit_edge
  call void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %5) #7
  %27 = 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)
  %28 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %29 = load ptr, ptr %28, align 8, !tbaa !5
  %30 = getelementptr i8, ptr %29, i64 -24
  %31 = load i64, ptr %30, align 8
  %32 = getelementptr inbounds i8, ptr %28, i64 %31
  %33 = call noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %32)
  br i1 %33, label %.lr.ph14, label %._crit_edge15, !llvm.loop !13

.lr.ph11:                                         ; preds = %._crit_edge, %56
  %.09 = phi i32 [ %57, %56 ], [ 0, %._crit_edge ]
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %35 unwind label %60

35:                                               ; preds = %.lr.ph11
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %34, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %37 unwind label %60

37:                                               ; preds = %35
  %38 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %39 unwind label %60

39:                                               ; preds = %37
  %40 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %38) #7
  %41 = load i32, ptr %3, align 4, !tbaa !8
  %42 = sext i32 %41 to i64
  %.not6 = icmp ult i64 %40, %42
  br i1 %.not6, label %51, label %43

43:                                               ; preds = %39
  %44 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %45 unwind label %60

45:                                               ; preds = %43
  %46 = load i32, ptr %3, align 4, !tbaa !8
  %47 = add nsw i32 %46, -1
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %44, i64 noundef %48) #7
  %50 = load i32, ptr %49, align 4, !tbaa !8
  br label %51

51:                                               ; preds = %39, %45
  %52 = phi i32 [ %50, %45 ], [ 0, %39 ]
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %52)
          to label %54 unwind label %60

54:                                               ; preds = %51
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %53, ptr noundef nonnull @.str)
          to label %56 unwind label %60

56:                                               ; preds = %54
  %57 = add nuw nsw i32 %.09, 1
  %58 = load i32, ptr %2, align 4, !tbaa !8
  %59 = icmp slt i32 %57, %58
  br i1 %59, label %.lr.ph11, label %._crit_edge12, !llvm.loop !14

60:                                               ; preds = %54, %51, %43, %37, %35, %.lr.ph11
  %61 = landingpad { ptr, i32 }
          cleanup
  br label %62

62:                                               ; preds = %60, %25
  %.pn = phi { ptr, i32 } [ %26, %25 ], [ %61, %60 ]
  call void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #7
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn

._crit_edge15:                                    ; preds = %._crit_edge12, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

; 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 uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEEixERS8_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) 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 #3 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: 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 #5

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 i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiSt6vectorIiSaIiEESt4hashIiESt8equal_toIiESaISt4pairIKiS2_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #6 align 2

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 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 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 = { 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 #6 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}


; Effective O3 passes: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass