; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/2248 (main)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

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

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #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::vector", align 8
  %6 = alloca %struct.aluno, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  store i32 1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  call void @_ZNSt6vectorI5alunoSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  br label %10

10:                                               ; preds = %94, %0
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %12 unwind label %44

12:                                               ; preds = %10
  %13 = load ptr, ptr %11, align 8, !tbaa !9
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr %11, i64 %15
  %17 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %16)
          to label %18 unwind label %44

18:                                               ; preds = %12
  br i1 %17, label %19, label %22

19:                                               ; preds = %18
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = icmp ne i32 %20, 0
  br label %22

22:                                               ; preds = %19, %18
  %23 = phi i1 [ false, %18 ], [ %21, %19 ]
  br i1 %23, label %24, label %95

24:                                               ; preds = %22
  call void @_ZNSt6vectorI5alunoSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  store i32 -1, ptr %4, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %48, %24
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %2, align 4, !tbaa !5
  %28 = icmp ne i32 %26, 0
  br i1 %28, label %29, label %49

29:                                               ; preds = %25
  %30 = getelementptr inbounds %struct.aluno, ptr %6, i32 0, i32 0
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %30)
          to label %32 unwind label %44

32:                                               ; preds = %29
  %33 = getelementptr inbounds %struct.aluno, ptr %6, i32 0, i32 1
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(4) %33)
          to label %35 unwind label %44

35:                                               ; preds = %32
  invoke void @_ZNSt6vectorI5alunoSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %36 unwind label %44

36:                                               ; preds = %35
  %37 = getelementptr inbounds %struct.aluno, ptr %6, i32 0, i32 1
  %38 = load i32, ptr %37, align 4, !tbaa !11
  %39 = load i32, ptr %4, align 4, !tbaa !5
  %40 = icmp sgt i32 %38, %39
  br i1 %40, label %41, label %48

41:                                               ; preds = %36
  %42 = getelementptr inbounds %struct.aluno, ptr %6, i32 0, i32 1
  %43 = load i32, ptr %42, align 4, !tbaa !11
  store i32 %43, ptr %4, align 4, !tbaa !5
  br label %48

44:                                               ; preds = %92, %90, %55, %51, %49, %35, %32, %29, %12, %10
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %7, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %8, align 4
  br label %97

48:                                               ; preds = %41, %36
  br label %25, !llvm.loop !13

49:                                               ; preds = %25
  %50 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %51 unwind label %44

51:                                               ; preds = %49
  %52 = load i32, ptr %3, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %3, align 4, !tbaa !5
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %50, i32 noundef %52)
          to label %55 unwind label %44

55:                                               ; preds = %51
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %54, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %57 unwind label %44

57:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %87, %57
  %59 = load i32, ptr %9, align 4, !tbaa !5
  %60 = call noundef i64 @_ZNKSt6vectorI5alunoSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %61 = trunc i64 %60 to i32
  %62 = icmp slt i32 %59, %61
  br i1 %62, label %64, label %63

63:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %90

64:                                               ; preds = %58
  %65 = load i32, ptr %9, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5alunoSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %66) #6
  %68 = getelementptr inbounds %struct.aluno, ptr %67, i32 0, i32 1
  %69 = load i32, ptr %68, align 4, !tbaa !11
  %70 = load i32, ptr %4, align 4, !tbaa !5
  %71 = icmp eq i32 %69, %70
  br i1 %71, label %72, label %86

72:                                               ; preds = %64
  %73 = load i32, ptr %9, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5alunoSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %74) #6
  %76 = getelementptr inbounds %struct.aluno, ptr %75, i32 0, i32 0
  %77 = load i32, ptr %76, align 4, !tbaa !15
  %78 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %77)
          to label %79 unwind label %82

79:                                               ; preds = %72
  %80 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %78, ptr noundef @.str.1)
          to label %81 unwind label %82

81:                                               ; preds = %79
  br label %86

82:                                               ; preds = %79, %72
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %7, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %97

86:                                               ; preds = %81, %64
  br label %87

87:                                               ; preds = %86
  %88 = load i32, ptr %9, align 4, !tbaa !5
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %9, align 4, !tbaa !5
  br label %58, !llvm.loop !16

90:                                               ; preds = %63
  %91 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %92 unwind label %44

92:                                               ; preds = %90
  %93 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %91, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %94 unwind label %44

94:                                               ; preds = %92
  br label %10, !llvm.loop !17

95:                                               ; preds = %22
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt6vectorI5alunoSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %96 = load i32, ptr %1, align 4
  ret i32 %96

97:                                               ; preds = %82, %44
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @_ZNSt6vectorI5alunoSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %98

98:                                               ; preds = %97
  %99 = load ptr, ptr %7, align 8
  %100 = load i32, ptr %8, align 4
  %101 = insertvalue { ptr, i32 } poison, ptr %99, 0
  %102 = insertvalue { ptr, i32 } %101, i32 %100, 1
  resume { ptr, i32 } %102
}

; 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 void @_ZNSt6vectorI5alunoSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI5alunoSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI5alunoSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI5alunoSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5alunoSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #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 void @_ZNSt6vectorI5alunoSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 = { 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 = { "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 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 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !6, i64 4}
!12 = !{!"_ZTS5aluno", !6, i64 0, !6, i64 4}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!12, !6, i64 0}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}


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

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

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %struct.aluno, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  call void @_ZNSt6vectorI5alunoSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  %4 = getelementptr inbounds i8, ptr %3, i64 4
  br label %5

5:                                                ; preds = %54, %0
  %.012 = phi i32 [ 1, %0 ], [ %30, %54 ]
  %6 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %7 unwind label %.loopexit.split-lp

7:                                                ; preds = %5
  %8 = load ptr, ptr %6, align 8, !tbaa !5
  %9 = getelementptr i8, ptr %8, i64 -24
  %10 = load i64, ptr %9, align 8
  %11 = getelementptr inbounds i8, ptr %6, i64 %10
  %12 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %11)
          to label %13 unwind label %.loopexit.split-lp

13:                                               ; preds = %7
  %14 = load i32, ptr %1, align 4
  %15 = icmp ne i32 %14, 0
  %16 = select i1 %12, i1 %15, i1 false
  br i1 %16, label %17, label %56

17:                                               ; preds = %13
  call void @_ZNSt6vectorI5alunoSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  %18 = load i32, ptr %1, align 4, !tbaa !8
  %19 = add nsw i32 %18, -1
  store i32 %19, ptr %1, align 4, !tbaa !8
  %.not16 = icmp eq i32 %18, 0
  br i1 %.not16, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %17, %24
  %.01117 = phi i32 [ %spec.select, %24 ], [ -1, %17 ]
  %20 = 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 %21 unwind label %.loopexit

21:                                               ; preds = %.lr.ph
  %22 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %20, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %23 unwind label %.loopexit

23:                                               ; preds = %21
  invoke void @_ZNSt6vectorI5alunoSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(8) %3)
          to label %24 unwind label %.loopexit

24:                                               ; preds = %23
  %25 = load i32, ptr %4, align 4, !tbaa !11
  %spec.select = call i32 @llvm.smax.i32(i32 %25, i32 %.01117)
  %26 = load i32, ptr %1, align 4, !tbaa !8
  %27 = add nsw i32 %26, -1
  store i32 %27, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %26, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !13

.loopexit:                                        ; preds = %.lr.ph, %21, %23
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %57

.loopexit.split-lp:                               ; preds = %5, %7, %._crit_edge, %29, %32, %._crit_edge20, %54
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %57

._crit_edge:                                      ; preds = %24, %17
  %.011.lcssa = phi i32 [ -1, %17 ], [ %spec.select, %24 ]
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
          to label %29 unwind label %.loopexit.split-lp

29:                                               ; preds = %._crit_edge
  %30 = add nuw nsw i32 %.012, 1
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %28, i32 noundef %.012)
          to label %32 unwind label %.loopexit.split-lp

32:                                               ; preds = %29
  %33 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %31, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %.loopexit.split-lp

.preheader:                                       ; preds = %32
  %34 = call noundef i64 @_ZNKSt6vectorI5alunoSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  %35 = trunc i64 %34 to i32
  %36 = icmp sgt i32 %35, 0
  br i1 %36, label %.lr.ph19, label %._crit_edge20

._crit_edge20:                                    ; preds = %50, %.preheader
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %54 unwind label %.loopexit.split-lp

.lr.ph19:                                         ; preds = %.preheader, %50
  %indvars.iv = phi i64 [ %indvars.iv.next, %50 ], [ 0, %.preheader ]
  %38 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5alunoSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %39 = getelementptr inbounds i8, ptr %38, i64 4
  %40 = load i32, ptr %39, align 4, !tbaa !11
  %41 = icmp eq i32 %40, %.011.lcssa
  br i1 %41, label %42, label %50

42:                                               ; preds = %.lr.ph19
  %43 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5alunoSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #7
  %44 = load i32, ptr %43, align 4, !tbaa !15
  %45 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %44)
          to label %46 unwind label %48

46:                                               ; preds = %42
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %45, ptr noundef nonnull @.str.1)
          to label %50 unwind label %48

48:                                               ; preds = %46, %42
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %57

50:                                               ; preds = %.lr.ph19, %46
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %51 = call noundef i64 @_ZNKSt6vectorI5alunoSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  %sext = shl i64 %51, 32
  %52 = ashr exact i64 %sext, 32
  %53 = icmp slt i64 %indvars.iv.next, %52
  br i1 %53, label %.lr.ph19, label %._crit_edge20, !llvm.loop !16

54:                                               ; preds = %._crit_edge20
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %37, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %5 unwind label %.loopexit.split-lp, !llvm.loop !17

56:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @_ZNSt6vectorI5alunoSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

57:                                               ; preds = %.loopexit, %.loopexit.split-lp, %48
  %.pn = phi { ptr, i32 } [ %49, %48 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @_ZNSt6vectorI5alunoSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI5alunoSaIS0_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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 #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI5alunoSaIS0_EE5clearEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI5alunoSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorI5alunoSaIS0_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5alunoSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) 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 void @_ZNSt6vectorI5alunoSaIS0_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #6

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 = { 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 = { "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 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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 = !{!12, !9, i64 4}
!12 = !{!"_ZTS5aluno", !9, i64 0, !9, i64 4}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{!12, !9, i64 0}
!16 = distinct !{!16, !14}
!17 = distinct !{!17, !14}


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