; LLVM IR from ahr9n/psolving-paradigms :: 4.dynamic-programming/03.longest-increasing-subsequence-(lis) (main)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@t = external dso_local global i32, align 4
@n = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %19 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %20 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %21 = getelementptr i8, ptr %20, i64 -24
  %22 = load i64, ptr %21, align 8
  %23 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %22
  %24 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %23, ptr noundef null)
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @t)
  br label %26

26:                                               ; preds = %177, %0
  %27 = load i32, ptr @t, align 4, !tbaa !8
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr @t, align 4, !tbaa !8
  %29 = icmp ne i32 %27, 0
  br i1 %29, label %30, label %186

30:                                               ; preds = %26
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %32 = load i32, ptr @n, align 4, !tbaa !8
  %33 = icmp eq i32 %32, 0
  %34 = zext i1 %33 to i64
  %35 = select i1 %33, i32 0, i32 1
  store i32 %35, ptr @ans, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #7
  %36 = load i32, ptr @n, align 4, !tbaa !8
  %37 = sext i32 %36 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %3) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %37, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %38 unwind label %51

38:                                               ; preds = %30
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #7
  %39 = load i32, ptr @n, align 4, !tbaa !8
  %40 = sext i32 %39 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %40, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %41 unwind label %55

41:                                               ; preds = %38
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #7
  %42 = load i32, ptr @n, align 4, !tbaa !8
  %43 = sext i32 %42 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #7
  store i32 1, ptr %10, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %43, ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %44 unwind label %59

44:                                               ; preds = %41
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %45 = load i32, ptr @n, align 4, !tbaa !8
  %46 = sub nsw i32 %45, 1
  store i32 %46, ptr %12, align 4, !tbaa !8
  br label %47

47:                                               ; preds = %70, %44
  %48 = load i32, ptr %12, align 4, !tbaa !8
  %49 = icmp sge i32 %48, 0
  br i1 %49, label %63, label %50

50:                                               ; preds = %47
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %75

51:                                               ; preds = %30
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %5, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %3) #7
  br label %185

55:                                               ; preds = %38
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %4, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %5, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  br label %184

59:                                               ; preds = %41
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %4, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %5, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #7
  br label %183

63:                                               ; preds = %47
  br label %64

64:                                               ; preds = %63
  %65 = load i32, ptr %12, align 4, !tbaa !8
  %66 = add nsw i32 %65, -1
  store i32 %66, ptr %12, align 4, !tbaa !8
  %67 = sext i32 %65 to i64
  %68 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %67) #7
  %69 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %68)
          to label %70 unwind label %71

70:                                               ; preds = %64
  br label %47, !llvm.loop !11

71:                                               ; preds = %64
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %4, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %182

75:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 1, ptr %13, align 4, !tbaa !8
  br label %76

76:                                               ; preds = %164, %75
  %77 = load i32, ptr %13, align 4, !tbaa !8
  %78 = load i32, ptr @n, align 4, !tbaa !8
  %79 = icmp slt i32 %77, %78
  br i1 %79, label %81, label %80

80:                                               ; preds = %76
  store i32 7, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %172

81:                                               ; preds = %76
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 0, ptr %15, align 4, !tbaa !8
  br label %82

82:                                               ; preds = %146, %81
  %83 = load i32, ptr %15, align 4, !tbaa !8
  %84 = load i32, ptr %13, align 4, !tbaa !8
  %85 = icmp slt i32 %83, %84
  br i1 %85, label %87, label %86

86:                                               ; preds = %82
  store i32 10, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %150

87:                                               ; preds = %82
  %88 = load i32, ptr %15, align 4, !tbaa !8
  %89 = sext i32 %88 to i64
  %90 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %89) #7
  %91 = load i32, ptr %90, align 4, !tbaa !8
  %92 = load i32, ptr %13, align 4, !tbaa !8
  %93 = sext i32 %92 to i64
  %94 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %93) #7
  %95 = load i32, ptr %94, align 4, !tbaa !8
  %96 = icmp slt i32 %91, %95
  br i1 %96, label %97, label %116

97:                                               ; preds = %87
  %98 = load i32, ptr %13, align 4, !tbaa !8
  %99 = sext i32 %98 to i64
  %100 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %99) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  %101 = load i32, ptr %15, align 4, !tbaa !8
  %102 = sext i32 %101 to i64
  %103 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %102) #7
  %104 = load i32, ptr %103, align 4, !tbaa !8
  %105 = add nsw i32 %104, 1
  store i32 %105, ptr %16, align 4, !tbaa !8
  %106 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %100, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %107 unwind label %112

107:                                              ; preds = %97
  %108 = load i32, ptr %106, align 4, !tbaa !8
  %109 = load i32, ptr %13, align 4, !tbaa !8
  %110 = sext i32 %109 to i64
  %111 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %110) #7
  store i32 %108, ptr %111, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %116

112:                                              ; preds = %97
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %4, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %149

116:                                              ; preds = %107, %87
  %117 = load i32, ptr %15, align 4, !tbaa !8
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %118) #7
  %120 = load i32, ptr %119, align 4, !tbaa !8
  %121 = load i32, ptr %13, align 4, !tbaa !8
  %122 = sext i32 %121 to i64
  %123 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %122) #7
  %124 = load i32, ptr %123, align 4, !tbaa !8
  %125 = icmp sgt i32 %120, %124
  br i1 %125, label %126, label %145

126:                                              ; preds = %116
  %127 = load i32, ptr %13, align 4, !tbaa !8
  %128 = sext i32 %127 to i64
  %129 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %128) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  %130 = load i32, ptr %15, align 4, !tbaa !8
  %131 = sext i32 %130 to i64
  %132 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %131) #7
  %133 = load i32, ptr %132, align 4, !tbaa !8
  %134 = add nsw i32 %133, 1
  store i32 %134, ptr %17, align 4, !tbaa !8
  %135 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %129, ptr noundef nonnull align 4 dereferenceable(4) %17)
          to label %136 unwind label %141

136:                                              ; preds = %126
  %137 = load i32, ptr %135, align 4, !tbaa !8
  %138 = load i32, ptr %13, align 4, !tbaa !8
  %139 = sext i32 %138 to i64
  %140 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %139) #7
  store i32 %137, ptr %140, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %145

141:                                              ; preds = %126
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %4, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %149

145:                                              ; preds = %136, %116
  br label %146

146:                                              ; preds = %145
  %147 = load i32, ptr %15, align 4, !tbaa !8
  %148 = add nsw i32 %147, 1
  store i32 %148, ptr %15, align 4, !tbaa !8
  br label %82, !llvm.loop !13

149:                                              ; preds = %141, %112
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %171

150:                                              ; preds = %86
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  %151 = load i32, ptr %13, align 4, !tbaa !8
  %152 = sext i32 %151 to i64
  %153 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %152) #7
  %154 = load i32, ptr %153, align 4, !tbaa !8
  %155 = load i32, ptr %13, align 4, !tbaa !8
  %156 = sext i32 %155 to i64
  %157 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %156) #7
  %158 = load i32, ptr %157, align 4, !tbaa !8
  %159 = add nsw i32 %154, %158
  %160 = sub nsw i32 %159, 1
  store i32 %160, ptr %18, align 4, !tbaa !8
  %161 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %162 unwind label %167

162:                                              ; preds = %150
  %163 = load i32, ptr %161, align 4, !tbaa !8
  store i32 %163, ptr @ans, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %164

164:                                              ; preds = %162
  %165 = load i32, ptr %13, align 4, !tbaa !8
  %166 = add nsw i32 %165, 1
  store i32 %166, ptr %13, align 4, !tbaa !8
  br label %76, !llvm.loop !14

167:                                              ; preds = %150
  %168 = landingpad { ptr, i32 }
          cleanup
  %169 = extractvalue { ptr, i32 } %168, 0
  store ptr %169, ptr %4, align 8
  %170 = extractvalue { ptr, i32 } %168, 1
  store i32 %170, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %171

171:                                              ; preds = %167, %149
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %182

172:                                              ; preds = %80
  %173 = load i32, ptr @ans, align 4, !tbaa !8
  %174 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %173)
          to label %175 unwind label %178

175:                                              ; preds = %172
  %176 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %174, i8 noundef signext 10)
          to label %177 unwind label %178

177:                                              ; preds = %175
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  br label %26, !llvm.loop !15

178:                                              ; preds = %175, %172
  %179 = landingpad { ptr, i32 }
          cleanup
  %180 = extractvalue { ptr, i32 } %179, 0
  store ptr %180, ptr %4, align 8
  %181 = extractvalue { ptr, i32 } %179, 1
  store i32 %181, ptr %5, align 4
  br label %182

182:                                              ; preds = %178, %171, %71
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  br label %183

183:                                              ; preds = %182, %59
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  br label %184

184:                                              ; preds = %183, %55
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %185

185:                                              ; preds = %184, %51
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  br label %187

186:                                              ; preds = %26
  ret i32 0

187:                                              ; preds = %185
  %188 = load ptr, ptr %4, align 8
  %189 = load i32, ptr %5, align 4
  %190 = insertvalue { ptr, i32 } poison, ptr %188, 0
  %191 = insertvalue { ptr, i32 } %190, i32 %189, 1
  resume { ptr, i32 } %191
}

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; 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) #2 align 2

; 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)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) #6

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@t = external dso_local global i32, align 4
@n = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca %"class.std::allocator", align 1
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %13 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %14 = getelementptr i8, ptr %13, i64 -24
  %15 = load i64, ptr %14, align 8
  %16 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %15
  %17 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %16, ptr noundef null)
  %18 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @t)
  %19 = load i32, ptr @t, align 4, !tbaa !8
  %20 = add nsw i32 %19, -1
  store i32 %20, ptr @t, align 4, !tbaa !8
  %.not34 = icmp eq i32 %19, 0
  br i1 %.not34, label %._crit_edge36, label %.lr.ph

.lr.ph:                                           ; preds = %0, %97
  %21 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %22 = load i32, ptr @n, align 4, !tbaa !8
  %23 = icmp ne i32 %22, 0
  %24 = zext i1 %23 to i32
  store i32 %24, ptr @ans, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #7
  %25 = sext i32 %22 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %2) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %2)
          to label %26 unwind label %40

26:                                               ; preds = %.lr.ph
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #7
  %27 = load i32, ptr @n, align 4, !tbaa !8
  %28 = sext i32 %27 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  store i32 1, ptr %4, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %28, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %29 unwind label %42

29:                                               ; preds = %26
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #7
  %30 = load i32, ptr @n, align 4, !tbaa !8
  %31 = sext i32 %30 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 1, ptr %7, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %31, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %32 unwind label %44

32:                                               ; preds = %29
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  %33 = load i32, ptr @n, align 4, !tbaa !8
  %34 = zext i32 %33 to i64
  br label %35

35:                                               ; preds = %46, %32
  %indvars.iv = phi i64 [ %47, %46 ], [ %34, %32 ]
  %36 = trunc nuw i64 %indvars.iv to i32
  %37 = icmp sgt i32 %36, 0
  br i1 %37, label %46, label %.preheader31

.preheader31:                                     ; preds = %35
  %38 = load i32, ptr @n, align 4, !tbaa !8
  %39 = icmp sgt i32 %38, 1
  br i1 %39, label %.preheader, label %.preheader31.._crit_edge_crit_edge

.preheader31.._crit_edge_crit_edge:               ; preds = %.preheader31
  %.pre = load i32, ptr @ans, align 4, !tbaa !8
  br label %._crit_edge

40:                                               ; preds = %.lr.ph
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %2) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %2) #7
  br label %105

42:                                               ; preds = %26
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  br label %104

44:                                               ; preds = %29
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  br label %103

46:                                               ; preds = %35
  %47 = add nsw i64 %indvars.iv, -1
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %47) #7
  %49 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %48)
          to label %35 unwind label %50, !llvm.loop !11

50:                                               ; preds = %46
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %102

.preheader:                                       ; preds = %.preheader31, %54
  %indvars.iv42 = phi i64 [ %indvars.iv.next43, %54 ], [ 1, %.preheader31 ]
  br label %66

._crit_edge:                                      ; preds = %54, %.preheader31.._crit_edge_crit_edge
  %52 = phi i32 [ %.pre, %.preheader31.._crit_edge_crit_edge ], [ %62, %54 ]
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %52)
          to label %95 unwind label %100

54:                                               ; preds = %94
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #7
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv42) #7
  %56 = load i32, ptr %55, align 4, !tbaa !8
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv42) #7
  %58 = load i32, ptr %57, align 4, !tbaa !8
  %59 = add i32 %56, -1
  %60 = add i32 %59, %58
  store i32 %60, ptr %11, align 4, !tbaa !8
  %61 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) @ans, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %62 = load i32, ptr %61, align 4, !tbaa !8
  store i32 %62, ptr @ans, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  %indvars.iv.next43 = add nuw nsw i64 %indvars.iv42, 1
  %63 = load i32, ptr @n, align 4, !tbaa !8
  %64 = sext i32 %63 to i64
  %65 = icmp slt i64 %indvars.iv.next43, %64
  br i1 %65, label %.preheader, label %._crit_edge, !llvm.loop !13

66:                                               ; preds = %.preheader, %94
  %indvars.iv39 = phi i64 [ 0, %.preheader ], [ %indvars.iv.next40, %94 ]
  %67 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv39) #7
  %68 = load i32, ptr %67, align 4, !tbaa !8
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv42) #7
  %70 = load i32, ptr %69, align 4, !tbaa !8
  %71 = icmp slt i32 %68, %70
  br i1 %71, label %72, label %80

72:                                               ; preds = %66
  %73 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv42) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv39) #7
  %75 = load i32, ptr %74, align 4, !tbaa !8
  %76 = add nsw i32 %75, 1
  store i32 %76, ptr %9, align 4, !tbaa !8
  %77 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %73, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %78 = load i32, ptr %77, align 4, !tbaa !8
  %79 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv42) #7
  store i32 %78, ptr %79, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  br label %80

80:                                               ; preds = %72, %66
  %81 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv39) #7
  %82 = load i32, ptr %81, align 4, !tbaa !8
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv42) #7
  %84 = load i32, ptr %83, align 4, !tbaa !8
  %85 = icmp sgt i32 %82, %84
  br i1 %85, label %86, label %94

86:                                               ; preds = %80
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv42) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #7
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv39) #7
  %89 = load i32, ptr %88, align 4, !tbaa !8
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %10, align 4, !tbaa !8
  %91 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %87, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %92 = load i32, ptr %91, align 4, !tbaa !8
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv42) #7
  store i32 %92, ptr %93, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  br label %94

94:                                               ; preds = %80, %86
  %indvars.iv.next40 = add nuw nsw i64 %indvars.iv39, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next40, %indvars.iv42
  br i1 %exitcond.not, label %54, label %66, !llvm.loop !14

95:                                               ; preds = %._crit_edge
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8) %53, i8 noundef signext 10)
          to label %97 unwind label %100

97:                                               ; preds = %95
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  %98 = load i32, ptr @t, align 4, !tbaa !8
  %99 = add nsw i32 %98, -1
  store i32 %99, ptr @t, align 4, !tbaa !8
  %.not = icmp eq i32 %98, 0
  br i1 %.not, label %._crit_edge36, label %.lr.ph, !llvm.loop !15

100:                                              ; preds = %95, %._crit_edge
  %101 = landingpad { ptr, i32 }
          cleanup
  br label %102

102:                                              ; preds = %100, %50
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %101, %100 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  br label %103

103:                                              ; preds = %102, %44
  %.pn.pn = phi { ptr, i32 } [ %.pn, %102 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #7
  br label %104

104:                                              ; preds = %103, %42
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %103 ], [ %43, %42 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  br label %105

105:                                              ; preds = %104, %40
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %104 ], [ %41, %40 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn.pn

._crit_edge36:                                    ; preds = %97, %0
  ret i32 0
}

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

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; 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 #2 align 2

; 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 #5

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_c(ptr noundef nonnull align 8 dereferenceable(8), i8 noundef signext) local_unnamed_addr #6

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress 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 = { 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 #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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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