; LLVM IR from xirc/cp-algorithm :: aoj/ITP2/ITP2-1B (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::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::deque", align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %12 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %19 = getelementptr i8, ptr %18, i64 -24
  %20 = load i64, ptr %19, align 8
  %21 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %20
  %22 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %21, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 80, ptr %2) #6
  call void @_ZNSt5dequeIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %23 = 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 %24 unwind label %30

24:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !8
  br label %25

25:                                               ; preds = %106, %24
  %26 = load i32, ptr %6, align 4, !tbaa !8
  %27 = load i32, ptr %3, align 4, !tbaa !8
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %34, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %110

30:                                               ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %4, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %5, align 4
  br label %112

34:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  %35 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %36 unwind label %48

36:                                               ; preds = %34
  %37 = load i32, ptr %7, align 4, !tbaa !8
  %38 = icmp eq i32 %37, 0
  br i1 %38, label %39, label %64

39:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %40 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %41 unwind label %52

41:                                               ; preds = %39
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %43 unwind label %52

43:                                               ; preds = %41
  %44 = load i32, ptr %8, align 4, !tbaa !8
  %45 = icmp eq i32 %44, 0
  br i1 %45, label %46, label %56

46:                                               ; preds = %43
  invoke void @_ZNSt5dequeIiSaIiEE10push_frontERKi(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %47 unwind label %52

47:                                               ; preds = %46
  br label %63

48:                                               ; preds = %102, %34
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %4, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %5, align 4
  br label %109

52:                                               ; preds = %61, %59, %46, %41, %39
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %4, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %109

56:                                               ; preds = %43
  %57 = load i32, ptr %8, align 4, !tbaa !8
  %58 = icmp eq i32 %57, 1
  br i1 %58, label %59, label %61

59:                                               ; preds = %56
  invoke void @_ZNSt5dequeIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %60 unwind label %52

60:                                               ; preds = %59
  br label %62

61:                                               ; preds = %56
  invoke void @__cxa_rethrow() #7
          to label %118 unwind label %52

62:                                               ; preds = %60
  br label %63

63:                                               ; preds = %62, %47
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %105

64:                                               ; preds = %36
  %65 = load i32, ptr %7, align 4, !tbaa !8
  %66 = icmp eq i32 %65, 1
  br i1 %66, label %67, label %82

67:                                               ; preds = %64
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %68 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %69 unwind label %78

69:                                               ; preds = %67
  %70 = load i32, ptr %10, align 4, !tbaa !8
  %71 = sext i32 %70 to i64
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5dequeIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(80) %2, i64 noundef %71) #6
  %73 = load i32, ptr %72, align 4, !tbaa !8
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %73)
          to label %75 unwind label %78

75:                                               ; preds = %69
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %77 unwind label %78

77:                                               ; preds = %75
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %104

78:                                               ; preds = %75, %69, %67
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %4, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %109

82:                                               ; preds = %64
  %83 = load i32, ptr %7, align 4, !tbaa !8
  %84 = icmp eq i32 %83, 2
  br i1 %84, label %85, label %102

85:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  %86 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %87 unwind label %91

87:                                               ; preds = %85
  %88 = load i32, ptr %11, align 4, !tbaa !8
  %89 = icmp eq i32 %88, 0
  br i1 %89, label %90, label %95

90:                                               ; preds = %87
  call void @_ZNSt5dequeIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  br label %101

91:                                               ; preds = %99, %85
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %4, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %109

95:                                               ; preds = %87
  %96 = load i32, ptr %11, align 4, !tbaa !8
  %97 = icmp eq i32 %96, 1
  br i1 %97, label %98, label %99

98:                                               ; preds = %95
  call void @_ZNSt5dequeIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  br label %100

99:                                               ; preds = %95
  invoke void @__cxa_rethrow() #7
          to label %118 unwind label %91

100:                                              ; preds = %98
  br label %101

101:                                              ; preds = %100, %90
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %103

102:                                              ; preds = %82
  invoke void @__cxa_rethrow() #7
          to label %118 unwind label %48

103:                                              ; preds = %101
  br label %104

104:                                              ; preds = %103, %77
  br label %105

105:                                              ; preds = %104, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %106

106:                                              ; preds = %105
  %107 = load i32, ptr %6, align 4, !tbaa !8
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %6, align 4, !tbaa !8
  br label %25, !llvm.loop !11

109:                                              ; preds = %91, %78, %52, %48
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %112

110:                                              ; preds = %29
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZNSt5dequeIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #6
  %111 = load i32, ptr %1, align 4
  ret i32 %111

112:                                              ; preds = %109, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @_ZNSt5dequeIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #6
  br label %113

113:                                              ; preds = %112
  %114 = load ptr, ptr %4, align 8
  %115 = load i32, ptr %5, align 4
  %116 = insertvalue { ptr, i32 } poison, ptr %114, 0
  %117 = insertvalue { ptr, i32 } %116, i32 %115, 1
  resume { ptr, i32 } %117

118:                                              ; preds = %102, %99, %61
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEE10push_frontERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

declare void @__cxa_rethrow()

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5dequeIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(80), i64 noundef) #2 align 2

; 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 @_ZNSt5dequeIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(80)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 }
attributes #7 = { noreturn }

!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"}


; 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::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::deque", align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %9 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %10 = getelementptr i8, ptr %9, i64 -24
  %11 = load i64, ptr %10, align 8
  %12 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %11
  %13 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %12, ptr noundef null)
  %14 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %16
  %18 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %1) #6
  call void @_ZNSt5dequeIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %1)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  %19 = 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 %.preheader unwind label %22

.preheader:                                       ; preds = %0
  %20 = load i32, ptr %2, align 4, !tbaa !8
  %21 = icmp sgt i32 %20, 0
  br i1 %21, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %61, %.preheader
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZNSt5dequeIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %1) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #6
  ret i32 0

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %66

.lr.ph:                                           ; preds = %.preheader, %61
  %.022 = phi i32 [ %62, %61 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  %24 = 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 %25 unwind label %.loopexit

25:                                               ; preds = %.lr.ph
  %26 = load i32, ptr %3, align 4, !tbaa !8
  switch i32 %26, label %60 [
    i32 0, label %27
    i32 1, label %38
    i32 2, label %51
  ]

27:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %28 = 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 %29 unwind label %.loopexit17

29:                                               ; preds = %27
  %30 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %28, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %31 unwind label %.loopexit17

31:                                               ; preds = %29
  %32 = load i32, ptr %4, align 4, !tbaa !8
  switch i32 %32, label %36 [
    i32 0, label %33
    i32 1, label %35
  ]

33:                                               ; preds = %31
  invoke void @_ZNSt5dequeIiSaIiEE10push_frontERKi(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %37 unwind label %.loopexit17

.loopexit:                                        ; preds = %.lr.ph
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %65

.loopexit.split-lp:                               ; preds = %60
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %65

.loopexit17:                                      ; preds = %27, %29, %33, %35
  %lpad.loopexit19 = landingpad { ptr, i32 }
          cleanup
  br label %34

.loopexit.split-lp18:                             ; preds = %36
  %lpad.loopexit.split-lp20 = landingpad { ptr, i32 }
          cleanup
  br label %34

34:                                               ; preds = %.loopexit.split-lp18, %.loopexit17
  %lpad.phi21 = phi { ptr, i32 } [ %lpad.loopexit19, %.loopexit17 ], [ %lpad.loopexit.split-lp20, %.loopexit.split-lp18 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %65

35:                                               ; preds = %31
  invoke void @_ZNSt5dequeIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %37 unwind label %.loopexit17

36:                                               ; preds = %31
  invoke void @__cxa_rethrow() #7
          to label %67 unwind label %.loopexit.split-lp18

37:                                               ; preds = %35, %33
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %61

38:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %40 unwind label %49

40:                                               ; preds = %38
  %41 = load i32, ptr %6, align 4, !tbaa !8
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5dequeIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(80) %1, i64 noundef %42) #6
  %44 = load i32, ptr %43, align 4, !tbaa !8
  %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 %49

46:                                               ; preds = %40
  %47 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %45, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %48 unwind label %49

48:                                               ; preds = %46
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  br label %61

49:                                               ; preds = %46, %40, %38
  %50 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  br label %65

51:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  %52 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %53 unwind label %.loopexit12

53:                                               ; preds = %51
  %54 = load i32, ptr %7, align 4, !tbaa !8
  switch i32 %54, label %58 [
    i32 0, label %55
    i32 1, label %57
  ]

55:                                               ; preds = %53
  call void @_ZNSt5dequeIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(80) %1) #6
  br label %59

.loopexit12:                                      ; preds = %51
  %lpad.loopexit14 = landingpad { ptr, i32 }
          cleanup
  br label %56

.loopexit.split-lp13:                             ; preds = %58
  %lpad.loopexit.split-lp15 = landingpad { ptr, i32 }
          cleanup
  br label %56

56:                                               ; preds = %.loopexit.split-lp13, %.loopexit12
  %lpad.phi16 = phi { ptr, i32 } [ %lpad.loopexit14, %.loopexit12 ], [ %lpad.loopexit.split-lp15, %.loopexit.split-lp13 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  br label %65

57:                                               ; preds = %53
  call void @_ZNSt5dequeIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(80) %1) #6
  br label %59

58:                                               ; preds = %53
  invoke void @__cxa_rethrow() #7
          to label %67 unwind label %.loopexit.split-lp13

59:                                               ; preds = %57, %55
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  br label %61

60:                                               ; preds = %25
  invoke void @__cxa_rethrow() #7
          to label %67 unwind label %.loopexit.split-lp

61:                                               ; preds = %48, %59, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  %62 = add nuw nsw i32 %.022, 1
  %63 = load i32, ptr %2, align 4, !tbaa !8
  %64 = icmp slt i32 %62, %63
  br i1 %64, label %.lr.ph, label %._crit_edge, !llvm.loop !11

65:                                               ; preds = %.loopexit, %.loopexit.split-lp, %56, %49, %34
  %.pn = phi { ptr, i32 } [ %lpad.phi21, %34 ], [ %50, %49 ], [ %lpad.phi16, %56 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  br label %66

66:                                               ; preds = %65, %22
  %.pn.pn = phi { ptr, i32 } [ %.pn, %65 ], [ %23, %22 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @_ZNSt5dequeIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %1) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn

67:                                               ; preds = %60, %58, %36
  unreachable
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEE10push_frontERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

declare void @__cxa_rethrow() local_unnamed_addr

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5dequeIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(80), i64 noundef) local_unnamed_addr #2 align 2

; 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 @_ZNSt5dequeIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5dequeIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 }
attributes #7 = { noreturn }

!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"}


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