; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2015-16/Feb 2016/Gold (16 Feb G1)

; 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::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.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }

@a = external dso_local global %"class.std::vector", align 8
@b = external dso_local global %"class.std::vector", align 8
@n = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::basic_ifstream", align 8
  %3 = alloca %"class.std::basic_ofstream", align 8
  %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
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i64, align 8
  %15 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr %2) #6
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %2, ptr noundef @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr %3) #6
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %3, ptr noundef @.str.2, i32 noundef 16)
          to label %16 unwind label %24

16:                                               ; preds = %0
  %17 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) @n)
          to label %18 unwind label %28

18:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %59, %18
  %20 = load i32, ptr %7, align 4, !tbaa !5
  %21 = load i32, ptr @n, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %32, label %23

23:                                               ; preds = %19
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %64

24:                                               ; preds = %0
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %4, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %5, align 4
  br label %149

28:                                               ; preds = %16
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %4, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %5, align 4
  br label %148

32:                                               ; preds = %19
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @b, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %33 unwind label %41

33:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %35 unwind label %45

35:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %36

36:                                               ; preds = %51, %35
  %37 = load i32, ptr %10, align 4, !tbaa !5
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %49, label %40

40:                                               ; preds = %36
  store i32 5, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %58

41:                                               ; preds = %32
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %4, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %5, align 4
  br label %63

45:                                               ; preds = %33
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %4, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %5, align 4
  br label %62

49:                                               ; preds = %36
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @a, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %50 unwind label %54

50:                                               ; preds = %49
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %10, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %10, align 4, !tbaa !5
  br label %36, !llvm.loop !9

54:                                               ; preds = %49
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %4, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %62

58:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %59

59:                                               ; preds = %58
  %60 = load i32, ptr %7, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %7, align 4, !tbaa !5
  br label %19, !llvm.loop !11

62:                                               ; preds = %54, %45
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %63

63:                                               ; preds = %62, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %147

64:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %65

65:                                               ; preds = %83, %64
  %66 = load i32, ptr %11, align 4, !tbaa !5
  %67 = load i32, ptr @n, align 4, !tbaa !5
  %68 = icmp slt i32 %66, %67
  br i1 %68, label %70, label %69

69:                                               ; preds = %65
  store i32 8, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %90

70:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  %71 = load i32, ptr %11, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @a, i64 noundef %72) #6
  %74 = load i32, ptr %73, align 4, !tbaa !5
  %75 = load i32, ptr %11, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %76) #6
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = sub nsw i32 %74, %78
  store i32 %79, ptr %12, align 4, !tbaa !5
  %80 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %81 unwind label %86

81:                                               ; preds = %70
  %82 = load i32, ptr %80, align 4, !tbaa !5
  store i32 %82, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %83

83:                                               ; preds = %81
  %84 = load i32, ptr %11, align 4, !tbaa !5
  %85 = add nsw i32 %84, 1
  store i32 %85, ptr %11, align 4, !tbaa !5
  br label %65, !llvm.loop !12

86:                                               ; preds = %70
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %4, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %147

90:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %91

91:                                               ; preds = %103, %90
  %92 = load i32, ptr %13, align 4, !tbaa !5
  %93 = load i32, ptr @n, align 4, !tbaa !5
  %94 = icmp slt i32 %92, %93
  br i1 %94, label %96, label %95

95:                                               ; preds = %91
  store i32 11, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %106

96:                                               ; preds = %91
  %97 = load i32, ptr %6, align 4, !tbaa !5
  %98 = load i32, ptr %13, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %99) #6
  %101 = load i32, ptr %100, align 4, !tbaa !5
  %102 = add nsw i32 %101, %97
  store i32 %102, ptr %100, align 4, !tbaa !5
  br label %103

103:                                              ; preds = %96
  %104 = load i32, ptr %13, align 4, !tbaa !5
  %105 = add nsw i32 %104, 1
  store i32 %105, ptr %13, align 4, !tbaa !5
  br label %91, !llvm.loop !13

106:                                              ; preds = %95
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %107

107:                                              ; preds = %135, %106
  %108 = load i32, ptr %15, align 4, !tbaa !5
  %109 = load i32, ptr @n, align 4, !tbaa !5
  %110 = icmp slt i32 %108, %109
  br i1 %110, label %112, label %111

111:                                              ; preds = %107
  store i32 14, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %138

112:                                              ; preds = %107
  %113 = load i32, ptr %15, align 4, !tbaa !5
  %114 = sext i32 %113 to i64
  %115 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @a, i64 noundef %114) #6
  %116 = load i32, ptr %115, align 4, !tbaa !5
  %117 = load i32, ptr %15, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %118) #6
  %120 = load i32, ptr %119, align 4, !tbaa !5
  %121 = sub nsw i32 %116, %120
  %122 = load i32, ptr %15, align 4, !tbaa !5
  %123 = sext i32 %122 to i64
  %124 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @a, i64 noundef %123) #6
  %125 = load i32, ptr %124, align 4, !tbaa !5
  %126 = load i32, ptr %15, align 4, !tbaa !5
  %127 = sext i32 %126 to i64
  %128 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %127) #6
  %129 = load i32, ptr %128, align 4, !tbaa !5
  %130 = sub nsw i32 %125, %129
  %131 = mul nsw i32 %121, %130
  %132 = sext i32 %131 to i64
  %133 = load i64, ptr %14, align 8, !tbaa !14
  %134 = add nsw i64 %133, %132
  store i64 %134, ptr %14, align 8, !tbaa !14
  br label %135

135:                                              ; preds = %112
  %136 = load i32, ptr %15, align 4, !tbaa !5
  %137 = add nsw i32 %136, 1
  store i32 %137, ptr %15, align 4, !tbaa !5
  br label %107, !llvm.loop !16

138:                                              ; preds = %111
  %139 = load i64, ptr %14, align 8, !tbaa !14
  %140 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %3, i64 noundef %139)
          to label %141 unwind label %143

141:                                              ; preds = %138
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #6
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #6
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #6
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #6
  %142 = load i32, ptr %1, align 4
  ret i32 %142

143:                                              ; preds = %138
  %144 = landingpad { ptr, i32 }
          cleanup
  %145 = extractvalue { ptr, i32 } %144, 0
  store ptr %145, ptr %4, align 8
  %146 = extractvalue { ptr, i32 } %144, 1
  store i32 %146, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %147

147:                                              ; preds = %143, %86, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %148

148:                                              ; preds = %147, %28
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #6
  br label %149

149:                                              ; preds = %148, %24
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #6
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #6
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #6
  br label %150

150:                                              ; preds = %149
  %151 = load ptr, ptr %4, align 8
  %152 = load i32, ptr %5, align 4
  %153 = insertvalue { ptr, i32 } poison, ptr %151, 0
  %154 = insertvalue { ptr, i32 } %153, i32 %152, 1
  resume { ptr, i32 } %154
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #5 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #5 = { 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 #6 = { nounwind }

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

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


; 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::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.std::basic_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }

@a = external dso_local global %"class.std::vector", align 8
@b = external dso_local global %"class.std::vector", align 8
@n = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::basic_ifstream", align 8
  %2 = alloca %"class.std::basic_ofstream", align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %1) #6
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %1, ptr noundef nonnull @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %2) #6
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %2, ptr noundef nonnull @.str.2, i32 noundef 16)
          to label %7 unwind label %13

7:                                                ; preds = %0
  %8 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) @n)
          to label %9 unwind label %15

9:                                                ; preds = %7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #6
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #6
  store i32 0, ptr %4, align 4, !tbaa !5
  %10 = load i32, ptr @n, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph38, label %._crit_edge39.thread

._crit_edge39.thread:                             ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %._crit_edge48

._crit_edge39:                                    ; preds = %._crit_edge
  %12 = icmp sgt i32 %23, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br i1 %12, label %.lr.ph42, label %._crit_edge48

13:                                               ; preds = %0
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %78

15:                                               ; preds = %7
  %16 = landingpad { ptr, i32 }
          cleanup
  br label %77

.lr.ph38:                                         ; preds = %9, %._crit_edge
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @b, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %17 unwind label %25

17:                                               ; preds = %.lr.ph38
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %.preheader35 unwind label %27

.preheader35:                                     ; preds = %17
  %19 = load i32, ptr %5, align 4, !tbaa !5
  %20 = icmp sgt i32 %19, 0
  br i1 %20, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %29, %.preheader35
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %4, align 4, !tbaa !5
  %23 = load i32, ptr @n, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %.lr.ph38, label %._crit_edge39, !llvm.loop !9

25:                                               ; preds = %.lr.ph38
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %36

27:                                               ; preds = %17
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %35

.lr.ph:                                           ; preds = %.preheader35, %29
  %.02236 = phi i32 [ %30, %29 ], [ 0, %.preheader35 ]
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @a, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %29 unwind label %33

29:                                               ; preds = %.lr.ph
  %30 = add nuw nsw i32 %.02236, 1
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %.lr.ph, label %._crit_edge, !llvm.loop !11

33:                                               ; preds = %.lr.ph
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %35

35:                                               ; preds = %33, %27
  %.pn = phi { ptr, i32 } [ %34, %33 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  br label %36

36:                                               ; preds = %35, %25
  %.pn.pn = phi { ptr, i32 } [ %.pn, %35 ], [ %26, %25 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #6
  br label %76

.preheader34:                                     ; preds = %.lr.ph42
  %37 = icmp sgt i32 %45, 0
  br i1 %37, label %.lr.ph44, label %._crit_edge48

.lr.ph42:                                         ; preds = %._crit_edge39, %.lr.ph42
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph42 ], [ 0, %._crit_edge39 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @a, i64 noundef %indvars.iv) #6
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %indvars.iv) #6
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = sub nsw i32 %39, %41
  store i32 %42, ptr %6, align 4, !tbaa !5
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %44 = load i32, ptr %43, align 4, !tbaa !5
  store i32 %44, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %45 = load i32, ptr @n, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = icmp slt i64 %indvars.iv.next, %46
  br i1 %47, label %.lr.ph42, label %.preheader34, !llvm.loop !12

.preheader:                                       ; preds = %.lr.ph44
  %48 = icmp sgt i32 %53, 0
  br i1 %48, label %.lr.ph47, label %._crit_edge48

.lr.ph44:                                         ; preds = %.preheader34, %.lr.ph44
  %indvars.iv50 = phi i64 [ %indvars.iv.next51, %.lr.ph44 ], [ 0, %.preheader34 ]
  %49 = load i32, ptr %3, align 4, !tbaa !5
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %indvars.iv50) #6
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = add nsw i32 %51, %49
  store i32 %52, ptr %50, align 4, !tbaa !5
  %indvars.iv.next51 = add nuw nsw i64 %indvars.iv50, 1
  %53 = load i32, ptr @n, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = icmp slt i64 %indvars.iv.next51, %54
  br i1 %55, label %.lr.ph44, label %.preheader, !llvm.loop !13

._crit_edge48:                                    ; preds = %.lr.ph47, %._crit_edge39.thread, %._crit_edge39, %.preheader34, %.preheader
  %.019.lcssa = phi i64 [ 0, %.preheader ], [ 0, %.preheader34 ], [ 0, %._crit_edge39 ], [ 0, %._crit_edge39.thread ], [ %69, %.lr.ph47 ]
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8) %2, i64 noundef %.019.lcssa)
          to label %73 unwind label %74

.lr.ph47:                                         ; preds = %.preheader, %.lr.ph47
  %indvars.iv53 = phi i64 [ %indvars.iv.next54, %.lr.ph47 ], [ 0, %.preheader ]
  %.01945 = phi i64 [ %69, %.lr.ph47 ], [ 0, %.preheader ]
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @a, i64 noundef %indvars.iv53) #6
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %indvars.iv53) #6
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = sub nsw i32 %58, %60
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @a, i64 noundef %indvars.iv53) #6
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @b, i64 noundef %indvars.iv53) #6
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = sub nsw i32 %63, %65
  %67 = mul nsw i32 %66, %61
  %68 = sext i32 %67 to i64
  %69 = add nsw i64 %.01945, %68
  %indvars.iv.next54 = add nuw nsw i64 %indvars.iv53, 1
  %70 = load i32, ptr @n, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = icmp slt i64 %indvars.iv.next54, %71
  br i1 %72, label %.lr.ph47, label %._crit_edge48, !llvm.loop !14

73:                                               ; preds = %._crit_edge48
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #6
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #6
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #6
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #6
  ret i32 0

74:                                               ; preds = %._crit_edge48
  %75 = landingpad { ptr, i32 }
          cleanup
  br label %76

76:                                               ; preds = %74, %36
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %36 ], [ %75, %74 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #6
  br label %77

77:                                               ; preds = %76, %15
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %76 ], [ %16, %15 ]
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #6
  br label %78

78:                                               ; preds = %77, %13
  %.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn.pn, %77 ], [ %14, %13 ]
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #6
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #6
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn.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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

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

; 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 #2 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEx(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #5 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 #5 = { 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 #6 = { nounwind }

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

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


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