; LLVM IR from kazunetakahashi/atcoder :: 2020/0304_ABC157/past (F)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl" }
%"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl" = type { %"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::complex" = type { { x86_fp80, x86_fp80 } }
%class.Solve = type { i32, i32, %"class.std::vector", %"class.std::vector.0", x86_fp80 }

@_ZSt3cin = external global %"class.std::basic_istream", 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 i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector.0", align 8
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca i32, align 4
  %11 = alloca x86_fp80, align 16
  %12 = alloca x86_fp80, align 16
  %13 = alloca %"class.std::complex", align 16
  %14 = alloca x86_fp80, align 16
  %15 = alloca %class.Solve, align 16
  %16 = alloca %"class.std::vector", align 8
  %17 = alloca %"class.std::vector.0", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #7
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #7
  call void @_ZNSaISt7complexIeEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %22 unwind label %31

22:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt7complexIeEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #7
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #7
  call void @_ZNSaIeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  invoke void @_ZNSt6vectorIeSaIeEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %25 unwind label %35

25:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorIeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %56, %25
  %27 = load i32, ptr %10, align 4, !tbaa !5
  %28 = load i32, ptr %2, align 4, !tbaa !5
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %39, label %30

30:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %72

31:                                               ; preds = %0
  %32 = landingpad { ptr, i32 }
          cleanup
  %33 = extractvalue { ptr, i32 } %32, 0
  store ptr %33, ptr %6, align 8
  %34 = extractvalue { ptr, i32 } %32, 1
  store i32 %34, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt7complexIeEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  br label %95

35:                                               ; preds = %22
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %6, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #7
  br label %94

39:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #7
  %40 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 16 dereferenceable(16) %11)
          to label %41 unwind label %59

41:                                               ; preds = %39
  %42 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 16 dereferenceable(16) %12)
          to label %43 unwind label %59

43:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 32, ptr %13) #7
  %44 = load x86_fp80, ptr %11, align 16, !tbaa !9
  %45 = load x86_fp80, ptr %12, align 16, !tbaa !9
  invoke void @_ZNSt7complexIeEC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %13, x86_fp80 noundef %44, x86_fp80 noundef %45)
          to label %46 unwind label %63

46:                                               ; preds = %43
  %47 = load i32, ptr %10, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNSt6vectorISt7complexIeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %48) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %49, ptr align 16 %13, i64 32, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #7
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 16 dereferenceable(16) %14)
          to label %51 unwind label %67

51:                                               ; preds = %46
  %52 = load x86_fp80, ptr %14, align 16, !tbaa !9
  %53 = load i32, ptr %10, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt6vectorIeSaIeEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %54) #7
  store x86_fp80 %52, ptr %55, align 16, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #7
  br label %56

56:                                               ; preds = %51
  %57 = load i32, ptr %10, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %10, align 4, !tbaa !5
  br label %26, !llvm.loop !13

59:                                               ; preds = %41, %39
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %6, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %7, align 4
  br label %71

63:                                               ; preds = %43
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %6, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %13) #7
  br label %71

67:                                               ; preds = %46
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %6, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #7
  br label %71

71:                                               ; preds = %67, %63, %59
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %93

72:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 80, ptr %15) #7
  %73 = load i32, ptr %2, align 4, !tbaa !5
  %74 = load i32, ptr %3, align 4, !tbaa !5
  invoke void @_ZNSt6vectorISt7complexIeESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %16, ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %75 unwind label %79

75:                                               ; preds = %72
  invoke void @_ZNSt6vectorIeSaIeEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %76 unwind label %83

76:                                               ; preds = %75
  invoke void @_ZN5SolveC2EiiSt6vectorISt7complexIeESaIS2_EES0_IeSaIeEE(ptr noundef nonnull align 16 dereferenceable(80) %15, i32 noundef %73, i32 noundef %74, ptr noundef %16, ptr noundef %17)
          to label %77 unwind label %87

77:                                               ; preds = %76
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  call void @_ZN5SolveD2Ev(ptr noundef nonnull align 16 dereferenceable(80) %15) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr %15) #7
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %78 = load i32, ptr %1, align 4
  ret i32 %78

79:                                               ; preds = %72
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %6, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %7, align 4
  br label %92

83:                                               ; preds = %75
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %6, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %7, align 4
  br label %91

87:                                               ; preds = %76
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %6, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %7, align 4
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #7
  br label %91

91:                                               ; preds = %87, %83
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #7
  br label %92

92:                                               ; preds = %91, %79
  call void @llvm.lifetime.end.p0(i64 80, ptr %15) #7
  br label %93

93:                                               ; preds = %92, %71
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %94

94:                                               ; preds = %93, %35
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %95

95:                                               ; preds = %94, %31
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %96

96:                                               ; preds = %95
  %97 = load ptr, ptr %6, align 8
  %98 = load i32, ptr %7, align 4
  %99 = insertvalue { ptr, i32 } poison, ptr %97, 0
  %100 = insertvalue { ptr, i32 } %99, i32 %98, 1
  resume { ptr, i32 } %100
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt7complexIeEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt7complexIeEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIeSaIeEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIeED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 16 dereferenceable(16)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7complexIeEC2Eee(ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef, x86_fp80 noundef) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNSt6vectorISt7complexIeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt6vectorIeSaIeEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIeSaIeEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SolveC2EiiSt6vectorISt7complexIeESaIS2_EES0_IeSaIeEE(ptr noundef nonnull align 16 dereferenceable(80), i32 noundef, i32 noundef, ptr noundef, ptr noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5SolveD2Ev(ptr noundef nonnull align 16 dereferenceable(80)) unnamed_addr #6 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 #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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long double", !7, i64 0}
!11 = !{i64 0, i64 32, !12}
!12 = !{!7, !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl" }
%"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl" = type { %"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long double, std::allocator<long double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }
%"class.std::complex" = type { { x86_fp80, x86_fp80 } }
%class.Solve = type { i32, i32, %"class.std::vector", %"class.std::vector.0", x86_fp80 }

@_ZSt3cin = external global %"class.std::basic_istream", 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 i32, align 4
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca %"class.std::allocator.2", align 1
  %7 = alloca x86_fp80, align 16
  %8 = alloca x86_fp80, align 16
  %9 = alloca %"class.std::complex", align 16
  %10 = alloca x86_fp80, align 16
  %11 = alloca %class.Solve, align 16
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca %"class.std::vector.0", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaISt7complexIeEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %17, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %18 unwind label %25

18:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt7complexIeEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #7
  call void @_ZNSaIeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  invoke void @_ZNSt6vectorIeSaIeEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %21 unwind label %27

21:                                               ; preds = %18
  call void @_ZNSt15__new_allocatorIeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #7
  %22 = load i32, ptr %1, align 4, !tbaa !5
  %23 = icmp sgt i32 %22, 0
  br i1 %23, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %37, %21
  %.lcssa = phi i32 [ %22, %21 ], [ %40, %37 ]
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %11) #7
  %24 = load i32, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt6vectorISt7complexIeESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %48 unwind label %51

25:                                               ; preds = %0
  %26 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt7complexIeEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  br label %61

27:                                               ; preds = %18
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIeED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #7
  br label %60

.lr.ph:                                           ; preds = %21, %37
  %indvars.iv = phi i64 [ %indvars.iv.next, %37 ], [ 0, %21 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #7
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #7
  %29 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 16 dereferenceable(16) %7)
          to label %30 unwind label %43

30:                                               ; preds = %.lr.ph
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 16 dereferenceable(16) %8)
          to label %32 unwind label %43

32:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #7
  %33 = load x86_fp80, ptr %7, align 16, !tbaa !9
  %34 = load x86_fp80, ptr %8, align 16, !tbaa !9
  call void @_ZNSt7complexIeEC2Eee(ptr noundef nonnull align 16 dereferenceable(32) %9, x86_fp80 noundef %33, x86_fp80 noundef %34)
  %35 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNSt6vectorISt7complexIeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #7
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %35, ptr noundef nonnull align 16 dereferenceable(32) %9, i64 32, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #7
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %10) #7
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 16 dereferenceable(16) %10)
          to label %37 unwind label %45

37:                                               ; preds = %32
  %38 = load x86_fp80, ptr %10, align 16, !tbaa !9
  %39 = call noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt6vectorIeSaIeEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #7
  store x86_fp80 %38, ptr %39, align 16, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %40 = load i32, ptr %1, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = icmp slt i64 %indvars.iv.next, %41
  br i1 %42, label %.lr.ph, label %._crit_edge, !llvm.loop !13

43:                                               ; preds = %30, %.lr.ph
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %47

45:                                               ; preds = %32
  %46 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #7
  br label %47

47:                                               ; preds = %45, %43
  %.pn15 = phi { ptr, i32 } [ %46, %45 ], [ %44, %43 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #7
  br label %59

48:                                               ; preds = %._crit_edge
  invoke void @_ZNSt6vectorIeSaIeEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %49 unwind label %53

49:                                               ; preds = %48
  invoke void @_ZN5SolveC2EiiSt6vectorISt7complexIeESaIS2_EES0_IeSaIeEE(ptr noundef nonnull align 16 dereferenceable(80) %11, i32 noundef %.lcssa, i32 noundef %24, ptr noundef nonnull %12, ptr noundef nonnull %13)
          to label %50 unwind label %55

50:                                               ; preds = %49
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  call void @_ZN5SolveD2Ev(ptr noundef nonnull align 16 dereferenceable(80) %11) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %11) #7
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

51:                                               ; preds = %._crit_edge
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %58

53:                                               ; preds = %48
  %54 = landingpad { ptr, i32 }
          cleanup
  br label %57

55:                                               ; preds = %49
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #7
  br label %57

57:                                               ; preds = %55, %53
  %.pn = phi { ptr, i32 } [ %56, %55 ], [ %54, %53 ]
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  br label %58

58:                                               ; preds = %57, %51
  %.pn.pn = phi { ptr, i32 } [ %.pn, %57 ], [ %52, %51 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %11) #7
  br label %59

59:                                               ; preds = %58, %47
  %.pn15.pn = phi { ptr, i32 } [ %.pn15, %47 ], [ %.pn.pn, %58 ]
  call void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %60

60:                                               ; preds = %59, %27
  %.pn15.pn.pn = phi { ptr, i32 } [ %.pn15.pn, %59 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %61

61:                                               ; preds = %60, %25
  %.pn15.pn.pn.pn = phi { ptr, i32 } [ %.pn15.pn.pn, %60 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn15.pn.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt7complexIeEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt7complexIeEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIeEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIeSaIeEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIeED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERe(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 16 dereferenceable(16)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7complexIeEC2Eee(ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef, x86_fp80 noundef) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNSt6vectorISt7complexIeESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(16) ptr @_ZNSt6vectorIeSaIeEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIeSaIeEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5SolveC2EiiSt6vectorISt7complexIeESaIS2_EES0_IeSaIeEE(ptr noundef nonnull align 16 dereferenceable(80), i32 noundef, i32 noundef, ptr noundef, ptr noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIeSaIeEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5SolveD2Ev(ptr noundef nonnull align 16 dereferenceable(80)) unnamed_addr #6 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 #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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long double", !7, i64 0}
!11 = !{i64 0, i64 32, !12}
!12 = !{!7, !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


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