; LLVM IR from xirc/cp-algorithm :: atcoder/abc207/C (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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.anon = type { 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 i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca ptr, align 8
  %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 %class.anon, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %17 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %18 = getelementptr i8, ptr %17, i64 -24
  %19 = load i64, ptr %18, align 8
  %20 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %19
  %21 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %20, ptr noundef null)
  %22 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %23 = getelementptr i8, ptr %22, i64 -24
  %24 = load i64, ptr %23, align 8
  %25 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %24
  %26 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %25, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  %27 = 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 %28 unwind label %34

28:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !8
  br label %29

29:                                               ; preds = %82, %28
  %30 = load i32, ptr %7, align 4, !tbaa !8
  %31 = load i32, ptr %2, align 4, !tbaa !8
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %38, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %85

34:                                               ; preds = %0
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %5, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %6, align 4
  br label %133

38:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #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) %8)
          to label %40 unwind label %54

40:                                               ; preds = %38
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %39, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %42 unwind label %54

42:                                               ; preds = %40
  %43 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %41, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %44 unwind label %54

44:                                               ; preds = %42
  %45 = load i32, ptr %9, align 4, !tbaa !8
  %46 = mul nsw i32 %45, 2
  store i32 %46, ptr %9, align 4, !tbaa !8
  %47 = load i32, ptr %10, align 4, !tbaa !8
  %48 = mul nsw i32 %47, 2
  store i32 %48, ptr %10, align 4, !tbaa !8
  %49 = load i32, ptr %8, align 4, !tbaa !8
  %50 = icmp eq i32 %49, 1
  br i1 %50, label %51, label %58

51:                                               ; preds = %44
  %52 = load i32, ptr %10, align 4, !tbaa !8
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %10, align 4, !tbaa !8
  br label %79

54:                                               ; preds = %80, %79, %42, %40, %38
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %5, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %133

58:                                               ; preds = %44
  %59 = load i32, ptr %8, align 4, !tbaa !8
  %60 = icmp eq i32 %59, 2
  br i1 %60, label %61, label %62

61:                                               ; preds = %58
  br label %78

62:                                               ; preds = %58
  %63 = load i32, ptr %8, align 4, !tbaa !8
  %64 = icmp eq i32 %63, 3
  br i1 %64, label %65, label %70

65:                                               ; preds = %62
  %66 = load i32, ptr %9, align 4, !tbaa !8
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %9, align 4, !tbaa !8
  %68 = load i32, ptr %10, align 4, !tbaa !8
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %10, align 4, !tbaa !8
  br label %77

70:                                               ; preds = %62
  %71 = load i32, ptr %8, align 4, !tbaa !8
  %72 = icmp eq i32 %71, 4
  br i1 %72, label %73, label %76

73:                                               ; preds = %70
  %74 = load i32, ptr %9, align 4, !tbaa !8
  %75 = add nsw i32 %74, 1
  store i32 %75, ptr %9, align 4, !tbaa !8
  br label %76

76:                                               ; preds = %73, %70
  br label %77

77:                                               ; preds = %76, %65
  br label %78

78:                                               ; preds = %77, %61
  br label %79

79:                                               ; preds = %78, %51
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %80 unwind label %54

80:                                               ; preds = %79
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %81 unwind label %54

81:                                               ; preds = %80
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %82

82:                                               ; preds = %81
  %83 = load i32, ptr %7, align 4, !tbaa !8
  %84 = add nsw i32 %83, 1
  store i32 %84, ptr %7, align 4, !tbaa !8
  br label %29, !llvm.loop !11

85:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #6
  %86 = getelementptr inbounds %class.anon, ptr %11, i32 0, i32 0
  store ptr %3, ptr %86, align 8, !tbaa !13
  %87 = getelementptr inbounds %class.anon, ptr %11, i32 0, i32 1
  store ptr %4, ptr %87, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !8
  br label %88

88:                                               ; preds = %118, %85
  %89 = load i32, ptr %13, align 4, !tbaa !8
  %90 = load i32, ptr %2, align 4, !tbaa !8
  %91 = icmp slt i32 %89, %90
  br i1 %91, label %93, label %92

92:                                               ; preds = %88
  store i32 5, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %121

93:                                               ; preds = %88
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  %94 = load i32, ptr %13, align 4, !tbaa !8
  %95 = add nsw i32 %94, 1
  store i32 %95, ptr %15, align 4, !tbaa !8
  br label %96

96:                                               ; preds = %114, %93
  %97 = load i32, ptr %15, align 4, !tbaa !8
  %98 = load i32, ptr %2, align 4, !tbaa !8
  %99 = icmp slt i32 %97, %98
  br i1 %99, label %101, label %100

100:                                              ; preds = %96
  store i32 8, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %117

101:                                              ; preds = %96
  %102 = load i32, ptr %13, align 4, !tbaa !8
  %103 = load i32, ptr %15, align 4, !tbaa !8
  %104 = invoke noundef zeroext i1 @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(16) %11, i32 noundef %102, i32 noundef %103)
          to label %105 unwind label %109

105:                                              ; preds = %101
  br i1 %104, label %106, label %113

106:                                              ; preds = %105
  %107 = load i32, ptr %12, align 4, !tbaa !8
  %108 = add nsw i32 %107, 1
  store i32 %108, ptr %12, align 4, !tbaa !8
  br label %113

109:                                              ; preds = %101
  %110 = landingpad { ptr, i32 }
          cleanup
  %111 = extractvalue { ptr, i32 } %110, 0
  store ptr %111, ptr %5, align 8
  %112 = extractvalue { ptr, i32 } %110, 1
  store i32 %112, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %132

113:                                              ; preds = %106, %105
  br label %114

114:                                              ; preds = %113
  %115 = load i32, ptr %15, align 4, !tbaa !8
  %116 = add nsw i32 %115, 1
  store i32 %116, ptr %15, align 4, !tbaa !8
  br label %96, !llvm.loop !15

117:                                              ; preds = %100
  br label %118

118:                                              ; preds = %117
  %119 = load i32, ptr %13, align 4, !tbaa !8
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %13, align 4, !tbaa !8
  br label %88, !llvm.loop !16

121:                                              ; preds = %92
  %122 = load i32, ptr %12, align 4, !tbaa !8
  %123 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %122)
          to label %124 unwind label %128

124:                                              ; preds = %121
  %125 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %123, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %126 unwind label %128

126:                                              ; preds = %124
  store i32 0, ptr %1, align 4
  store i32 1, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %127 = load i32, ptr %1, align 4
  ret i32 %127

128:                                              ; preds = %124, %121
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %5, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %6, align 4
  br label %132

132:                                              ; preds = %128, %109
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #6
  br label %133

133:                                              ; preds = %132, %54, %34
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %134

134:                                              ; preds = %133
  %135 = load ptr, ptr %5, align 8
  %136 = load i32, ptr %6, align 4
  %137 = insertvalue { ptr, i32 } poison, ptr %135, 0
  %138 = insertvalue { ptr, i32 } %137, i32 %136, 1
  resume { ptr, i32 } %138
}

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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(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)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #4 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i32 noundef) #5 align 2

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

; 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 @_ZNSt6vectorIiSaIiEED2Ev(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 = { "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 }

!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 = !{!14, !14, i64 0}
!14 = !{!"any pointer", !10, i64 0}
!15 = distinct !{!15, !12}
!16 = distinct !{!16, !12}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.anon = type { 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 i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %class.anon, align 8
  %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 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #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) %1)
          to label %.preheader unwind label %25

.preheader:                                       ; preds = %0
  %20 = load i32, ptr %1, align 4, !tbaa !8
  %21 = icmp sgt i32 %20, 0
  br i1 %21, label %.lr.ph, label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %.preheader
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #6
  store ptr %2, ptr %7, align 8, !tbaa !11
  %22 = getelementptr inbounds i8, ptr %7, i64 8
  store ptr %3, ptr %22, align 8, !tbaa !11
  br label %._crit_edge35

._crit_edge:                                      ; preds = %49
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #6
  store ptr %2, ptr %7, align 8, !tbaa !11
  %23 = getelementptr inbounds i8, ptr %7, i64 8
  store ptr %3, ptr %23, align 8, !tbaa !11
  %24 = icmp sgt i32 %51, 0
  br i1 %24, label %.lr.ph34, label %._crit_edge35

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %73

.lr.ph:                                           ; preds = %.preheader, %49
  %.01526 = phi i32 [ %50, %49 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %27 = 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 %28 unwind label %40

28:                                               ; preds = %.lr.ph
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %27, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %30 unwind label %40

30:                                               ; preds = %28
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %32 unwind label %40

32:                                               ; preds = %30
  %33 = load i32, ptr %5, align 4, !tbaa !8
  %34 = shl nsw i32 %33, 1
  store i32 %34, ptr %5, align 4, !tbaa !8
  %35 = load i32, ptr %6, align 4, !tbaa !8
  %36 = shl nsw i32 %35, 1
  store i32 %36, ptr %6, align 4, !tbaa !8
  %37 = load i32, ptr %4, align 4, !tbaa !8
  switch i32 %37, label %47 [
    i32 1, label %38
    i32 4, label %45
    i32 3, label %42
  ]

38:                                               ; preds = %32
  %39 = or disjoint i32 %36, 1
  store i32 %39, ptr %6, align 4, !tbaa !8
  br label %47

40:                                               ; preds = %48, %47, %30, %28, %.lr.ph
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  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 %73

42:                                               ; preds = %32
  %43 = or disjoint i32 %34, 1
  store i32 %43, ptr %5, align 4, !tbaa !8
  %44 = or disjoint i32 %36, 1
  store i32 %44, ptr %6, align 4, !tbaa !8
  br label %47

45:                                               ; preds = %32
  %46 = or disjoint i32 %34, 1
  store i32 %46, ptr %5, align 4, !tbaa !8
  br label %47

47:                                               ; preds = %32, %45, %42, %38
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %48 unwind label %40

48:                                               ; preds = %47
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %49 unwind label %40

49:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  %50 = add nuw nsw i32 %.01526, 1
  %51 = load i32, ptr %1, align 4, !tbaa !8
  %52 = icmp slt i32 %50, %51
  br i1 %52, label %.lr.ph, label %._crit_edge, !llvm.loop !13

.loopexit:                                        ; preds = %60, %.lr.ph34
  %53 = phi i32 [ %56, %.lr.ph34 ], [ %63, %60 ]
  %.1.lcssa = phi i32 [ %.01431, %.lr.ph34 ], [ %spec.select, %60 ]
  %54 = icmp slt i32 %57, %53
  br i1 %54, label %.lr.ph34, label %._crit_edge35, !llvm.loop !15

._crit_edge35:                                    ; preds = %.loopexit, %._crit_edge.thread, %._crit_edge
  %.014.lcssa = phi i32 [ 0, %._crit_edge ], [ 0, %._crit_edge.thread ], [ %.1.lcssa, %.loopexit ]
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.014.lcssa)
          to label %67 unwind label %70

.lr.ph34:                                         ; preds = %._crit_edge, %.loopexit
  %56 = phi i32 [ %53, %.loopexit ], [ %51, %._crit_edge ]
  %.01332 = phi i32 [ %57, %.loopexit ], [ 0, %._crit_edge ]
  %.01431 = phi i32 [ %.1.lcssa, %.loopexit ], [ 0, %._crit_edge ]
  %57 = add nuw nsw i32 %.01332, 1
  %58 = icmp slt i32 %57, %56
  br i1 %58, label %.lr.ph30, label %.loopexit

.lr.ph30:                                         ; preds = %.lr.ph34, %60
  %.028 = phi i32 [ %62, %60 ], [ %57, %.lr.ph34 ]
  %.127 = phi i32 [ %spec.select, %60 ], [ %.01431, %.lr.ph34 ]
  %59 = invoke noundef zeroext i1 @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(16) %7, i32 noundef %.01332, i32 noundef %.028)
          to label %60 unwind label %65

60:                                               ; preds = %.lr.ph30
  %61 = zext i1 %59 to i32
  %spec.select = add nsw i32 %.127, %61
  %62 = add nuw nsw i32 %.028, 1
  %63 = load i32, ptr %1, align 4, !tbaa !8
  %64 = icmp slt i32 %62, %63
  br i1 %64, label %.lr.ph30, label %.loopexit, !llvm.loop !16

65:                                               ; preds = %.lr.ph30
  %66 = landingpad { ptr, i32 }
          cleanup
  br label %72

67:                                               ; preds = %._crit_edge35
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %55, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %69 unwind label %70

69:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

70:                                               ; preds = %67, %._crit_edge35
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %72

72:                                               ; preds = %70, %65
  %.pn = phi { ptr, i32 } [ %66, %65 ], [ %71, %70 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #6
  br label %73

73:                                               ; preds = %72, %40, %25
  %.pn22 = phi { ptr, i32 } [ %41, %40 ], [ %.pn, %72 ], [ %26, %25 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn22
}

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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(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 #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZZ4mainENK3$_0clEii"(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i32 noundef) local_unnamed_addr #5 align 2

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 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 @_ZNSt6vectorIiSaIiEED2Ev(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 = { "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 }

!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 = !{!"any pointer", !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}
!16 = distinct !{!16, !14}


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