; LLVM IR from AdarshGaur/Competitive-Programming :: Atcoder/AtCoder Beginner Contest 240/E - Ranges on Tree.ll (Z5solvev)

; 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<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%class.anon = type { ptr, ptr, i64, ptr }
%"struct.std::pair" = type { i64, i64 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.std::function", align 8
  %12 = alloca %class.anon, align 8
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  %15 = alloca ptr, align 8
  %16 = alloca ptr, align 8
  %17 = alloca ptr, align 8
  %18 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #5
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #5
  %20 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #5
  call void @_ZNSaISt6vectorIlSaIlEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt6vectorIS_IlSaIlEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %21 unwind label %27

21:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorIlSaIlEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 1, ptr %6, align 8, !tbaa !5
  br label %22

22:                                               ; preds = %46, %21
  %23 = load i64, ptr %6, align 8, !tbaa !5
  %24 = load i64, ptr %1, align 8, !tbaa !5
  %25 = icmp slt i64 %23, %24
  br i1 %25, label %31, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %53

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %4, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %5, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIlSaIlEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #5
  br label %125

31:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %33 unwind label %49

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %35 unwind label %49

35:                                               ; preds = %33
  %36 = load i64, ptr %7, align 8, !tbaa !5
  %37 = add nsw i64 %36, -1
  store i64 %37, ptr %7, align 8, !tbaa !5
  %38 = load i64, ptr %8, align 8, !tbaa !5
  %39 = add nsw i64 %38, -1
  store i64 %39, ptr %8, align 8, !tbaa !5
  %40 = load i64, ptr %7, align 8, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %40) #5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %41, ptr noundef nonnull align 8 dereferenceable(8) %8)
          to label %42 unwind label %49

42:                                               ; preds = %35
  %43 = load i64, ptr %8, align 8, !tbaa !5
  %44 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %43) #5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %44, ptr noundef nonnull align 8 dereferenceable(8) %7)
          to label %45 unwind label %49

45:                                               ; preds = %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %46

46:                                               ; preds = %45
  %47 = load i64, ptr %6, align 8, !tbaa !5
  %48 = add nsw i64 %47, 1
  store i64 %48, ptr %6, align 8, !tbaa !5
  br label %22, !llvm.loop !9

49:                                               ; preds = %42, %35, %33, %31
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %4, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %124

53:                                               ; preds = %26
  %54 = load i64, ptr %1, align 8, !tbaa !5
  %55 = call ptr @llvm.stacksave.p0()
  store ptr %55, ptr %9, align 8
  %56 = alloca %"struct.std::pair", i64 %54, align 16
  store i64 %54, ptr %10, align 8
  %57 = icmp eq i64 %54, 0
  br i1 %57, label %65, label %58

58:                                               ; preds = %53
  %59 = getelementptr inbounds %"struct.std::pair", ptr %56, i64 %54
  br label %60

60:                                               ; preds = %62, %58
  %61 = phi ptr [ %56, %58 ], [ %63, %62 ]
  invoke void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16) %61)
          to label %62 unwind label %83

62:                                               ; preds = %60
  %63 = getelementptr inbounds %"struct.std::pair", ptr %61, i64 1
  %64 = icmp eq ptr %63, %59
  br i1 %64, label %65, label %60

65:                                               ; preds = %62, %53
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %12) #5
  %66 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 0
  store ptr %2, ptr %66, align 8, !tbaa !11
  %67 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 1
  store ptr %11, ptr %67, align 8, !tbaa !11
  %68 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 2
  store i64 %54, ptr %68, align 8, !tbaa !13
  %69 = getelementptr inbounds %class.anon, ptr %12, i32 0, i32 3
  store ptr %56, ptr %69, align 8, !tbaa !11
  invoke void @"_ZNSt8functionIFllllEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %70 unwind label %87

70:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #5
  %71 = invoke noundef i64 @_ZNKSt8functionIFllllEEclElll(ptr noundef nonnull align 8 dereferenceable(32) %11, i64 noundef 0, i64 noundef -1, i64 noundef 1)
          to label %72 unwind label %91

72:                                               ; preds = %70
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  store ptr %56, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %73 = load ptr, ptr %13, align 8, !tbaa !11
  store ptr %73, ptr %14, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %74 = load ptr, ptr %13, align 8, !tbaa !11
  %75 = mul nuw i64 16, %54
  %76 = udiv i64 %75, 16
  %77 = getelementptr inbounds %"struct.std::pair", ptr %74, i64 %76
  store ptr %77, ptr %15, align 8, !tbaa !11
  br label %78

78:                                               ; preds = %113, %72
  %79 = load ptr, ptr %14, align 8, !tbaa !11
  %80 = load ptr, ptr %15, align 8, !tbaa !11
  %81 = icmp ne ptr %79, %80
  br i1 %81, label %95, label %82

82:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %120

83:                                               ; preds = %60
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %4, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %5, align 4
  br label %124

87:                                               ; preds = %65
  %88 = landingpad { ptr, i32 }
          cleanup
  %89 = extractvalue { ptr, i32 } %88, 0
  store ptr %89, ptr %4, align 8
  %90 = extractvalue { ptr, i32 } %88, 1
  store i32 %90, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %12) #5
  br label %123

91:                                               ; preds = %70
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %4, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %5, align 4
  br label %122

95:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %96 = load ptr, ptr %14, align 8, !tbaa !11
  store ptr %96, ptr %16, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  %97 = load ptr, ptr %16, align 8, !tbaa !11
  %98 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %97) #5
  store ptr %98, ptr %17, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  %99 = load ptr, ptr %16, align 8, !tbaa !11
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %99) #5
  store ptr %100, ptr %18, align 8, !tbaa !11
  %101 = load ptr, ptr %17, align 8, !tbaa !11
  %102 = load i64, ptr %101, align 8, !tbaa !5
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %102)
          to label %104 unwind label %116

104:                                              ; preds = %95
  %105 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %103, ptr noundef @.str)
          to label %106 unwind label %116

106:                                              ; preds = %104
  %107 = load ptr, ptr %18, align 8, !tbaa !11
  %108 = load i64, ptr %107, align 8, !tbaa !5
  %109 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %105, i64 noundef %108)
          to label %110 unwind label %116

110:                                              ; preds = %106
  %111 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %109, ptr noundef @.str.1)
          to label %112 unwind label %116

112:                                              ; preds = %110
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %113

113:                                              ; preds = %112
  %114 = load ptr, ptr %14, align 8, !tbaa !11
  %115 = getelementptr inbounds %"struct.std::pair", ptr %114, i32 1
  store ptr %115, ptr %14, align 8, !tbaa !11
  br label %78

116:                                              ; preds = %110, %106, %104, %95
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %4, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %122

120:                                              ; preds = %82
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  %121 = load ptr, ptr %9, align 8
  call void @llvm.stackrestore.p0(ptr %121)
  call void @_ZNSt6vectorIS_IlSaIlEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  ret void

122:                                              ; preds = %116, %91
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #5
  br label %123

123:                                              ; preds = %122, %87
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  br label %124

124:                                              ; preds = %123, %83, %49
  call void @_ZNSt6vectorIS_IlSaIlEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  br label %125

125:                                              ; preds = %124, %27
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  br label %126

126:                                              ; preds = %125
  %127 = load ptr, ptr %4, align 8
  %128 = load i32, ptr %5, align 4
  %129 = insertvalue { ptr, i32 } poison, ptr %127, 0
  %130 = insertvalue { ptr, i32 } %129, i32 %128, 1
  resume { ptr, i32 } %130
}

; 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 noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIlSaIlEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IlSaIlEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNSt8functionIFllllEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt8functionIFllllEEclElll(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef, i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IlSaIlEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIlSaIlEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #5 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!14, !6, i64 16}
!14 = !{!"_ZTSZ5solvevE3$_0", !12, i64 0, !12, i64 8, !6, i64 16, !12, i64 24}


; 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<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<long>, std::allocator<std::vector<long>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::function" = type { %"class.std::_Function_base", ptr }
%"class.std::_Function_base" = type { %"union.std::_Any_data", ptr }
%"union.std::_Any_data" = type { %"union.std::_Nocopy_types" }
%"union.std::_Nocopy_types" = type { { i64, i64 } }
%class.anon = type { ptr, ptr, i64, ptr }
%"struct.std::pair" = type { i64, i64 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::function", align 8
  %7 = alloca %class.anon, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #5
  %9 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #5
  call void @_ZNSaISt6vectorIlSaIlEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  invoke void @_ZNSt6vectorIS_IlSaIlEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %9, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %10 unwind label %16

10:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorIlSaIlEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  %11 = load i64, ptr %1, align 8, !tbaa !5
  %12 = icmp sgt i64 %11, 1
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %30, %10
  %.lcssa = phi i64 [ %11, %10 ], [ %32, %30 ]
  %13 = call ptr @llvm.stacksave.p0()
  %14 = alloca %"struct.std::pair", i64 %.lcssa, align 16
  %15 = icmp eq i64 %.lcssa, 0
  br i1 %15, label %.loopexit, label %36

16:                                               ; preds = %0
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIlSaIlEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #5
  br label %71

.lr.ph:                                           ; preds = %10, %30
  %.01827 = phi i64 [ %31, %30 ], [ 1, %10 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %19 unwind label %34

19:                                               ; preds = %.lr.ph
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %21 unwind label %34

21:                                               ; preds = %19
  %22 = load i64, ptr %4, align 8, !tbaa !5
  %23 = add nsw i64 %22, -1
  store i64 %23, ptr %4, align 8, !tbaa !5
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = add nsw i64 %24, -1
  store i64 %25, ptr %5, align 8, !tbaa !5
  %26 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %23) #5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %26, ptr noundef nonnull align 8 dereferenceable(8) %5)
          to label %27 unwind label %34

27:                                               ; preds = %21
  %28 = load i64, ptr %5, align 8, !tbaa !5
  %29 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %28) #5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24) %29, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %30 unwind label %34

30:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %31 = add nuw nsw i64 %.01827, 1
  %32 = load i64, ptr %1, align 8, !tbaa !5
  %33 = icmp slt i64 %31, %32
  br i1 %33, label %.lr.ph, label %._crit_edge, !llvm.loop !9

34:                                               ; preds = %27, %21, %19, %.lr.ph
  %35 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %70

36:                                               ; preds = %._crit_edge
  %37 = getelementptr inbounds %"struct.std::pair", ptr %14, i64 %.lcssa
  br label %38

38:                                               ; preds = %38, %36
  %39 = phi ptr [ %14, %36 ], [ %40, %38 ]
  call void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16) %39)
  %40 = getelementptr inbounds i8, ptr %39, i64 16
  %41 = icmp eq ptr %40, %37
  br i1 %41, label %.loopexit, label %38

.loopexit:                                        ; preds = %38, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #5
  store ptr %2, ptr %7, align 8, !tbaa !11
  %42 = getelementptr inbounds i8, ptr %7, i64 8
  store ptr %6, ptr %42, align 8, !tbaa !11
  %43 = getelementptr inbounds i8, ptr %7, i64 16
  store i64 %.lcssa, ptr %43, align 8, !tbaa !13
  %44 = getelementptr inbounds i8, ptr %7, i64 24
  store ptr %14, ptr %44, align 8, !tbaa !11
  invoke void @"_ZNSt8functionIFllllEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %45 unwind label %49

45:                                               ; preds = %.loopexit
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  %46 = invoke noundef i64 @_ZNKSt8functionIFllllEEclElll(ptr noundef nonnull align 8 dereferenceable(32) %6, i64 noundef 0, i64 noundef -1, i64 noundef 1)
          to label %47 unwind label %51

47:                                               ; preds = %45
  %48 = getelementptr inbounds %"struct.std::pair", ptr %14, i64 %.lcssa
  br i1 %15, label %._crit_edge32, label %.lr.ph31

._crit_edge32:                                    ; preds = %64, %47
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  call void @llvm.stackrestore.p0(ptr %13)
  call void @_ZNSt6vectorIS_IlSaIlEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret void

49:                                               ; preds = %.loopexit
  %50 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #5
  br label %69

51:                                               ; preds = %45
  %52 = landingpad { ptr, i32 }
          cleanup
  br label %68

.lr.ph31:                                         ; preds = %47, %64
  %.01929 = phi ptr [ %65, %64 ], [ %14, %47 ]
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %.01929) #5
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16) %.01929) #5
  %55 = load i64, ptr %53, align 8, !tbaa !5
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %55)
          to label %57 unwind label %66

57:                                               ; preds = %.lr.ph31
  %58 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %56, ptr noundef nonnull @.str)
          to label %59 unwind label %66

59:                                               ; preds = %57
  %60 = load i64, ptr %54, align 8, !tbaa !5
  %61 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) %58, i64 noundef %60)
          to label %62 unwind label %66

62:                                               ; preds = %59
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %61, ptr noundef nonnull @.str.1)
          to label %64 unwind label %66

64:                                               ; preds = %62
  %65 = getelementptr inbounds i8, ptr %.01929, i64 16
  %.not = icmp eq ptr %65, %48
  br i1 %.not, label %._crit_edge32, label %.lr.ph31

66:                                               ; preds = %62, %59, %57, %.lr.ph31
  %67 = landingpad { ptr, i32 }
          cleanup
  br label %68

68:                                               ; preds = %66, %51
  %.pn = phi { ptr, i32 } [ %67, %66 ], [ %52, %51 ]
  call void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %69

69:                                               ; preds = %68, %49
  %.pn.pn = phi { ptr, i32 } [ %.pn, %68 ], [ %50, %49 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  br label %70

70:                                               ; preds = %69, %34
  %.pn23 = phi { ptr, i32 } [ %35, %34 ], [ %.pn.pn, %69 ]
  call void @_ZNSt6vectorIS_IlSaIlEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  br label %71

71:                                               ; preds = %70, %16
  %.pn23.pn = phi { ptr, i32 } [ %.pn23, %70 ], [ %17, %16 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn23.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 noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIlSaIlEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IlSaIlEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IlSaIlEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backERKl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIllEC2IllTnNSt9enable_ifIXsr6__and_ISt37__is_implicitly_default_constructibleIT_ES3_IT0_EEE5valueEbE4typeELb1EEEv(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @"_ZNSt8functionIFllllEEC2IZ5solvevE3$_0vEEOT_"(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt8functionIFllllEEclElll(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm0EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZSt3getILm1EllERNSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeERS4_(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14_Function_baseD2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IlSaIlEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIlSaIlEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #4 = { 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 #5 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!14, !6, i64 16}
!14 = !{!"_ZTSZ5solvevE3$_0", !12, i64 0, !12, i64 8, !6, i64 16, !12, i64 24}


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