; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/1471 (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::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::_Bit_reference" = type { ptr, 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
@.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 i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i8, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::_Bit_reference", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::_Bit_reference", align 8
  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
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 40, ptr %6) #6
  call void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  br label %14

14:                                               ; preds = %120, %0
  %15 = 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 %16 unwind label %31

16:                                               ; preds = %14
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %18 unwind label %31

18:                                               ; preds = %16
  %19 = load ptr, ptr %17, align 8, !tbaa !5
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr %17, i64 %21
  %23 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %22)
          to label %24 unwind label %31

24:                                               ; preds = %18
  br i1 %23, label %25, label %121

25:                                               ; preds = %24
  store i32 0, ptr %5, align 4, !tbaa !8
  call void @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  store i8 0, ptr %7, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !8
  br label %26

26:                                               ; preds = %37, %25
  %27 = load i32, ptr %10, align 4, !tbaa !8
  %28 = load i32, ptr %2, align 4, !tbaa !8
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %35, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %44

31:                                               ; preds = %117, %114, %112, %49, %18, %16, %14
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %8, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %9, align 4
  br label %123

35:                                               ; preds = %26
  invoke void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40) %6, i1 noundef zeroext false)
          to label %36 unwind label %40

36:                                               ; preds = %35
  br label %37

37:                                               ; preds = %36
  %38 = load i32, ptr %10, align 4, !tbaa !8
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %10, align 4, !tbaa !8
  br label %26, !llvm.loop !13

40:                                               ; preds = %35
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %8, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %123

44:                                               ; preds = %30
  br label %45

45:                                               ; preds = %56, %44
  %46 = load i32, ptr %3, align 4, !tbaa !8
  %47 = add nsw i32 %46, -1
  store i32 %47, ptr %3, align 4, !tbaa !8
  %48 = icmp ne i32 %46, 0
  br i1 %48, label %49, label %66

49:                                               ; preds = %45
  %50 = 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 %51 unwind label %31

51:                                               ; preds = %49
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #6
  %52 = load i32, ptr %4, align 4, !tbaa !8
  %53 = sub nsw i32 %52, 1
  %54 = sext i32 %53 to i64
  %55 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %6, i64 noundef %54)
          to label %56 unwind label %62

56:                                               ; preds = %51
  %57 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 0
  %58 = extractvalue { ptr, i64 } %55, 0
  store ptr %58, ptr %57, align 8
  %59 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 1
  %60 = extractvalue { ptr, i64 } %55, 1
  store i64 %60, ptr %59, align 8
  %61 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %11, i1 noundef zeroext true) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  br label %45, !llvm.loop !15

62:                                               ; preds = %51
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %8, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  br label %123

66:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !8
  br label %67

67:                                               ; preds = %103, %66
  %68 = load i32, ptr %12, align 4, !tbaa !8
  %69 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  %70 = trunc i64 %69 to i32
  %71 = icmp slt i32 %68, %70
  br i1 %71, label %73, label %72

72:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %107

73:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #6
  %74 = load i32, ptr %12, align 4, !tbaa !8
  %75 = sext i32 %74 to i64
  %76 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %6, i64 noundef %75)
          to label %77 unwind label %91

77:                                               ; preds = %73
  %78 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 0
  %79 = extractvalue { ptr, i64 } %76, 0
  store ptr %79, ptr %78, align 8
  %80 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 1
  %81 = extractvalue { ptr, i64 } %76, 1
  store i64 %81, ptr %80, align 8
  %82 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %13) #6
  %83 = xor i1 %82, true
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  br i1 %83, label %84, label %99

84:                                               ; preds = %77
  %85 = load i32, ptr %12, align 4, !tbaa !8
  %86 = add nsw i32 %85, 1
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %86)
          to label %88 unwind label %95

88:                                               ; preds = %84
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %87, ptr noundef @.str)
          to label %90 unwind label %95

90:                                               ; preds = %88
  br label %102

91:                                               ; preds = %73
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %8, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  br label %106

95:                                               ; preds = %88, %84
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %8, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %9, align 4
  br label %106

99:                                               ; preds = %77
  %100 = load i32, ptr %5, align 4, !tbaa !8
  %101 = add nsw i32 %100, 1
  store i32 %101, ptr %5, align 4, !tbaa !8
  br label %102

102:                                              ; preds = %99, %90
  br label %103

103:                                              ; preds = %102
  %104 = load i32, ptr %12, align 4, !tbaa !8
  %105 = add nsw i32 %104, 1
  store i32 %105, ptr %12, align 4, !tbaa !8
  br label %67, !llvm.loop !16

106:                                              ; preds = %95, %91
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %123

107:                                              ; preds = %72
  %108 = load i32, ptr %5, align 4, !tbaa !8
  %109 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  %110 = trunc i64 %109 to i32
  %111 = icmp eq i32 %108, %110
  br i1 %111, label %112, label %117

112:                                              ; preds = %107
  %113 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
          to label %114 unwind label %31

114:                                              ; preds = %112
  %115 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %113, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %116 unwind label %31

116:                                              ; preds = %114
  br label %120

117:                                              ; preds = %107
  %118 = 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 %119 unwind label %31

119:                                              ; preds = %117
  br label %120

120:                                              ; preds = %119, %116
  br label %14, !llvm.loop !17

121:                                              ; preds = %24
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, 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
  %122 = load i32, ptr %1, align 4
  ret i32 %122

123:                                              ; preds = %106, %62, %40, %31
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %6) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 4, 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 %124

124:                                              ; preds = %123
  %125 = load ptr, ptr %8, align 8
  %126 = load i32, ptr %9, align 4
  %127 = insertvalue { ptr, i32 } poison, ptr %125, 0
  %128 = insertvalue { ptr, i32 } %127, i32 %126, 1
  resume { ptr, i32 } %128
}

; 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 @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40), i1 noundef zeroext) #4 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 uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 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 void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 = !{!"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, !12, i64 0}
!12 = !{!"bool", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!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::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"struct.std::_Bit_reference" = type { ptr, 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
@.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 i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"struct.std::_Bit_reference", align 8
  %6 = alloca %"struct.std::_Bit_reference", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %4) #6
  call void @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  %7 = getelementptr inbounds i8, ptr %5, i64 8
  %8 = getelementptr inbounds i8, ptr %6, i64 8
  br label %9

9:                                                ; preds = %.invoke, %0
  %10 = 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 %11 unwind label %.loopexit.split-lp

11:                                               ; preds = %9
  %12 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %13 unwind label %.loopexit.split-lp

13:                                               ; preds = %11
  %14 = load ptr, ptr %12, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr %12, i64 %16
  %18 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv(ptr noundef nonnull align 8 dereferenceable(264) %17)
          to label %19 unwind label %.loopexit.split-lp

19:                                               ; preds = %13
  br i1 %18, label %20, label %76

20:                                               ; preds = %19
  call void @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  %21 = load i32, ptr %1, align 4, !tbaa !8
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %.preheader19

.preheader19:                                     ; preds = %25, %20
  %23 = load i32, ptr %2, align 4, !tbaa !8
  %24 = add nsw i32 %23, -1
  store i32 %24, ptr %2, align 4, !tbaa !8
  %.not23 = icmp eq i32 %23, 0
  br i1 %.not23, label %.preheader, label %.lr.ph24

.loopexit:                                        ; preds = %.lr.ph24
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %77

.loopexit.split-lp:                               ; preds = %.invoke, %9, %11, %13, %72
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %77

.lr.ph:                                           ; preds = %20, %25
  %.01022 = phi i32 [ %26, %25 ], [ 0, %20 ]
  invoke void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40) %4, i1 noundef zeroext false)
          to label %25 unwind label %29

25:                                               ; preds = %.lr.ph
  %26 = add nuw nsw i32 %.01022, 1
  %27 = load i32, ptr %1, align 4, !tbaa !8
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %.lr.ph, label %.preheader19, !llvm.loop !11

29:                                               ; preds = %.lr.ph
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %77

.preheader:                                       ; preds = %40, %.preheader19
  %31 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  %32 = trunc i64 %31 to i32
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph27, label %._crit_edge

.lr.ph24:                                         ; preds = %.preheader19, %40
  %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 %.loopexit

35:                                               ; preds = %.lr.ph24
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #6
  %36 = load i32, ptr %3, align 4, !tbaa !8
  %37 = add nsw i32 %36, -1
  %38 = sext i32 %37 to i64
  %39 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %38)
          to label %40 unwind label %46

40:                                               ; preds = %35
  %41 = extractvalue { ptr, i64 } %39, 0
  store ptr %41, ptr %5, align 8
  %42 = extractvalue { ptr, i64 } %39, 1
  store i64 %42, ptr %7, align 8
  %43 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %5, i1 noundef zeroext true) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #6
  %44 = load i32, ptr %2, align 4, !tbaa !8
  %45 = add nsw i32 %44, -1
  store i32 %45, ptr %2, align 4, !tbaa !8
  %.not = icmp eq i32 %44, 0
  br i1 %.not, label %.preheader, label %.lr.ph24, !llvm.loop !13

46:                                               ; preds = %35
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %5) #6
  br label %77

._crit_edge:                                      ; preds = %68, %.preheader
  %.014.lcssa = phi i32 [ 0, %.preheader ], [ %.115, %68 ]
  %48 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  %49 = trunc i64 %48 to i32
  %50 = icmp eq i32 %.014.lcssa, %49
  br i1 %50, label %72, label %.invoke

.lr.ph27:                                         ; preds = %.preheader, %68
  %indvars.iv = phi i64 [ %indvars.iv.next.pre-phi, %68 ], [ 0, %.preheader ]
  %.01425 = phi i32 [ %.115, %68 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #6
  %51 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %indvars.iv)
          to label %52 unwind label %62

52:                                               ; preds = %.lr.ph27
  %53 = extractvalue { ptr, i64 } %51, 0
  store ptr %53, ptr %6, align 8
  %54 = extractvalue { ptr, i64 } %51, 1
  store i64 %54, ptr %8, align 8
  %55 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %6) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  br i1 %55, label %66, label %56

56:                                               ; preds = %52
  %57 = add nuw nsw i64 %indvars.iv, 1
  %58 = trunc nuw nsw i64 %57 to i32
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %58)
          to label %60 unwind label %64

60:                                               ; preds = %56
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %59, ptr noundef nonnull @.str)
          to label %68 unwind label %64

62:                                               ; preds = %.lr.ph27
  %63 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  br label %77

64:                                               ; preds = %60, %56
  %65 = landingpad { ptr, i32 }
          cleanup
  br label %77

66:                                               ; preds = %52
  %67 = add nsw i32 %.01425, 1
  %.pre = add nuw nsw i64 %indvars.iv, 1
  br label %68

68:                                               ; preds = %66, %60
  %indvars.iv.next.pre-phi = phi i64 [ %.pre, %66 ], [ %57, %60 ]
  %.115 = phi i32 [ %67, %66 ], [ %.01425, %60 ]
  %69 = call noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  %sext = shl i64 %69, 32
  %70 = ashr exact i64 %sext, 32
  %71 = icmp slt i64 %indvars.iv.next.pre-phi, %70
  br i1 %71, label %.lr.ph27, label %._crit_edge, !llvm.loop !14

72:                                               ; preds = %._crit_edge
  %73 = 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.1)
          to label %.invoke unwind label %.loopexit.split-lp

.invoke:                                          ; preds = %._crit_edge, %72
  %74 = phi ptr [ %73, %72 ], [ @_ZSt4cout, %._crit_edge ]
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %9 unwind label %.loopexit.split-lp, !llvm.loop !15

76:                                               ; preds = %19
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

77:                                               ; preds = %.loopexit, %.loopexit.split-lp, %62, %64, %46, %29
  %.pn17 = phi { ptr, i32 } [ %30, %29 ], [ %47, %46 ], [ %65, %64 ], [ %63, %62 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %4) #6
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn17
}

; 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 @_ZNSt6vectorIbSaIbEEC2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 @_ZNSt6vectorIbSaIbEE5clearEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEE9push_backEb(ptr noundef nonnull align 8 dereferenceable(40), i1 noundef zeroext) local_unnamed_addr #4 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 uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIbSaIbEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(40)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 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 void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) 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 = { 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 = { 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}
!15 = distinct !{!15, !12}


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