; LLVM IR from abeaumont/competitive-programming :: hackerrank/data-structures (game-of-two-stacks)

; 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 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i64, align 8
  %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
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  br label %20

20:                                               ; preds = %162, %0
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr %2, align 4, !tbaa !5
  %23 = icmp ne i32 %21, 0
  br i1 %23, label %24, label %171

24:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  %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) %3)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #7
  %28 = load i32, ptr %3, align 4, !tbaa !5
  %29 = sext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %29, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %30 unwind label %39

30:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #7
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  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 @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %32, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %33 unwind label %43

33:                                               ; preds = %30
  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.start.p0(i64 4, ptr %12) #7
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %53, %33
  %35 = load i32, ptr %12, align 4, !tbaa !5
  %36 = load i32, ptr %3, align 4, !tbaa !5
  %37 = icmp slt i32 %35, %36
  br i1 %37, label %47, label %38

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %60

39:                                               ; preds = %24
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %8, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #7
  br label %170

43:                                               ; preds = %30
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %8, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %9, 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
  br label %169

47:                                               ; preds = %34
  %48 = load i32, ptr %12, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %49) #7
  %51 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %50)
          to label %52 unwind label %56

52:                                               ; preds = %47
  br label %53

53:                                               ; preds = %52
  %54 = load i32, ptr %12, align 4, !tbaa !5
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %12, align 4, !tbaa !5
  br label %34, !llvm.loop !9

56:                                               ; preds = %47
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %8, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %168

60:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %72, %60
  %62 = load i32, ptr %13, align 4, !tbaa !5
  %63 = load i32, ptr %4, align 4, !tbaa !5
  %64 = icmp slt i32 %62, %63
  br i1 %64, label %66, label %65

65:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %79

66:                                               ; preds = %61
  %67 = load i32, ptr %13, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %68) #7
  %70 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %69)
          to label %71 unwind label %75

71:                                               ; preds = %66
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %13, align 4, !tbaa !5
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %13, align 4, !tbaa !5
  br label %61, !llvm.loop !11

75:                                               ; preds = %66
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %8, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %168

79:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #7
  store i64 0, ptr %14, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %80

80:                                               ; preds = %97, %79
  %81 = load i32, ptr %15, align 4, !tbaa !5
  %82 = load i32, ptr %3, align 4, !tbaa !5
  %83 = icmp slt i32 %81, %82
  br i1 %83, label %84, label %95

84:                                               ; preds = %80
  %85 = load i32, ptr %15, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %86) #7
  %88 = load i32, ptr %87, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = load i64, ptr %14, align 8, !tbaa !12
  %91 = add nsw i64 %89, %90
  %92 = load i32, ptr %5, align 4, !tbaa !5
  %93 = sext i32 %92 to i64
  %94 = icmp sle i64 %91, %93
  br label %95

95:                                               ; preds = %84, %80
  %96 = phi i1 [ false, %80 ], [ %94, %84 ]
  br i1 %96, label %97, label %106

97:                                               ; preds = %95
  %98 = load i32, ptr %15, align 4, !tbaa !5
  %99 = add nsw i32 %98, 1
  store i32 %99, ptr %15, align 4, !tbaa !5
  %100 = sext i32 %98 to i64
  %101 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %100) #7
  %102 = load i32, ptr %101, align 4, !tbaa !5
  %103 = sext i32 %102 to i64
  %104 = load i64, ptr %14, align 8, !tbaa !12
  %105 = add nsw i64 %104, %103
  store i64 %105, ptr %14, align 8, !tbaa !12
  br label %80, !llvm.loop !14

106:                                              ; preds = %95
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  %107 = load i32, ptr %15, align 4, !tbaa !5
  store i32 %107, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %108

108:                                              ; preds = %156, %106
  %109 = load i32, ptr %17, align 4, !tbaa !5
  %110 = load i32, ptr %4, align 4, !tbaa !5
  %111 = icmp slt i32 %109, %110
  br i1 %111, label %112, label %157

112:                                              ; preds = %108
  %113 = load i32, ptr %17, 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) %10, i64 noundef %114) #7
  %116 = load i32, ptr %115, align 4, !tbaa !5
  %117 = sext i32 %116 to i64
  %118 = load i64, ptr %14, align 8, !tbaa !12
  %119 = add nsw i64 %117, %118
  %120 = load i32, ptr %5, align 4, !tbaa !5
  %121 = sext i32 %120 to i64
  %122 = icmp sle i64 %119, %121
  br i1 %122, label %123, label %142

123:                                              ; preds = %112
  %124 = load i32, ptr %17, align 4, !tbaa !5
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr %17, align 4, !tbaa !5
  %126 = sext i32 %124 to i64
  %127 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %126) #7
  %128 = load i32, ptr %127, align 4, !tbaa !5
  %129 = sext i32 %128 to i64
  %130 = load i64, ptr %14, align 8, !tbaa !12
  %131 = add nsw i64 %130, %129
  store i64 %131, ptr %14, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  %132 = load i32, ptr %15, align 4, !tbaa !5
  %133 = load i32, ptr %17, align 4, !tbaa !5
  %134 = add nsw i32 %132, %133
  store i32 %134, ptr %18, align 4, !tbaa !5
  %135 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %16, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %136 unwind label %138

136:                                              ; preds = %123
  %137 = load i32, ptr %135, align 4, !tbaa !5
  store i32 %137, ptr %16, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %156

138:                                              ; preds = %123
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %8, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %167

142:                                              ; preds = %112
  %143 = load i32, ptr %15, align 4, !tbaa !5
  %144 = icmp sgt i32 %143, 0
  br i1 %144, label %145, label %154

145:                                              ; preds = %142
  %146 = load i32, ptr %15, align 4, !tbaa !5
  %147 = add nsw i32 %146, -1
  store i32 %147, ptr %15, align 4, !tbaa !5
  %148 = sext i32 %147 to i64
  %149 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %148) #7
  %150 = load i32, ptr %149, align 4, !tbaa !5
  %151 = sext i32 %150 to i64
  %152 = load i64, ptr %14, align 8, !tbaa !12
  %153 = sub nsw i64 %152, %151
  store i64 %153, ptr %14, align 8, !tbaa !12
  br label %155

154:                                              ; preds = %142
  br label %157

155:                                              ; preds = %145
  br label %156

156:                                              ; preds = %155, %136
  br label %108, !llvm.loop !15

157:                                              ; preds = %154, %108
  %158 = load i32, ptr %16, align 4, !tbaa !5
  %159 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %158)
          to label %160 unwind label %163

160:                                              ; preds = %157
  %161 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %159, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %162 unwind label %163

162:                                              ; preds = %160
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #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 @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %20, !llvm.loop !16

163:                                              ; preds = %160, %157
  %164 = landingpad { ptr, i32 }
          cleanup
  %165 = extractvalue { ptr, i32 } %164, 0
  store ptr %165, ptr %8, align 8
  %166 = extractvalue { ptr, i32 } %164, 1
  store i32 %166, ptr %9, align 4
  br label %167

167:                                              ; preds = %163, %138
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #7
  br label %168

168:                                              ; preds = %167, %75, %56
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #7
  br label %169

169:                                              ; preds = %168, %43
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  br label %170

170:                                              ; preds = %169, %39
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %173

171:                                              ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %172 = load i32, ptr %1, align 4
  ret i32 %172

173:                                              ; preds = %170
  %174 = load ptr, ptr %8, align 8
  %175 = load i32, ptr %9, align 4
  %176 = insertvalue { ptr, i32 } poison, ptr %174, 0
  %177 = insertvalue { ptr, i32 } %176, i32 %175, 1
  resume { ptr, i32 } %177
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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) #1

; 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) #3 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

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

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  %11 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = add nsw i32 %12, -1
  store i32 %13, ptr %1, align 4, !tbaa !5
  %.not58 = icmp eq i32 %12, 0
  br i1 %.not58, label %._crit_edge61, label %.lr.ph60

.lr.ph60:                                         ; preds = %0, %99
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %16 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %18, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %19 unwind label %28

19:                                               ; preds = %.lr.ph60
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #7
  %20 = load i32, ptr %3, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  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 @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %22 unwind label %30

22:                                               ; preds = %19
  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
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph, label %.preheader42

.preheader42:                                     ; preds = %34, %22
  %25 = phi i32 [ %23, %22 ], [ %35, %34 ]
  %26 = load i32, ptr %3, align 4, !tbaa !5
  %27 = icmp sgt i32 %26, 0
  br i1 %27, label %.lr.ph45, label %.preheader

28:                                               ; preds = %.lr.ph60
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #7
  br label %106

30:                                               ; preds = %19
  %31 = 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
  br label %105

.lr.ph:                                           ; preds = %22, %34
  %indvars.iv = phi i64 [ %indvars.iv.next, %34 ], [ 0, %22 ]
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #7
  %33 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %32)
          to label %34 unwind label %38

34:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv.next, %36
  br i1 %37, label %.lr.ph, label %.preheader42, !llvm.loop !9

38:                                               ; preds = %.lr.ph
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %104

.preheader.loopexit:                              ; preds = %45
  %.pre = load i32, ptr %2, align 4, !tbaa !5
  br label %.preheader

.preheader:                                       ; preds = %.preheader.loopexit, %.preheader42
  %40 = phi i32 [ %46, %.preheader.loopexit ], [ %26, %.preheader42 ]
  %41 = phi i32 [ %.pre, %.preheader.loopexit ], [ %25, %.preheader42 ]
  %42 = icmp sgt i32 %41, 0
  br i1 %42, label %.lr.ph48, label %.critedge

.lr.ph45:                                         ; preds = %.preheader42, %45
  %indvars.iv63 = phi i64 [ %indvars.iv.next64, %45 ], [ 0, %.preheader42 ]
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %indvars.iv63) #7
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %43)
          to label %45 unwind label %49

45:                                               ; preds = %.lr.ph45
  %indvars.iv.next64 = add nuw nsw i64 %indvars.iv63, 1
  %46 = load i32, ptr %3, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = icmp slt i64 %indvars.iv.next64, %47
  br i1 %48, label %.lr.ph45, label %.preheader.loopexit, !llvm.loop !11

49:                                               ; preds = %.lr.ph45
  %50 = landingpad { ptr, i32 }
          cleanup
  br label %104

.lr.ph48:                                         ; preds = %.preheader, %57
  %indvars.iv66 = phi i64 [ %indvars.iv.next67, %57 ], [ 0, %.preheader ]
  %.02646 = phi i64 [ %61, %57 ], [ 0, %.preheader ]
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv66) #7
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = sext i32 %52 to i64
  %54 = add nsw i64 %.02646, %53
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = sext i32 %55 to i64
  %.not37 = icmp sgt i64 %54, %56
  br i1 %.not37, label %.critedge.loopexit, label %57

57:                                               ; preds = %.lr.ph48
  %indvars.iv.next67 = add nuw nsw i64 %indvars.iv66, 1
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv66) #7
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = add nsw i64 %.02646, %60
  %62 = load i32, ptr %2, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = icmp slt i64 %indvars.iv.next67, %63
  br i1 %64, label %.lr.ph48, label %.critedge.loopexit, !llvm.loop !12

.critedge.loopexit:                               ; preds = %57, %.lr.ph48
  %.026.lcssa.ph = phi i64 [ %.02646, %.lr.ph48 ], [ %61, %57 ]
  %.024.lcssa.ph.in = phi i64 [ %indvars.iv66, %.lr.ph48 ], [ %indvars.iv.next67, %57 ]
  %.024.lcssa.ph = trunc i64 %.024.lcssa.ph.in to i32
  %.pre69 = load i32, ptr %3, align 4, !tbaa !5
  br label %.critedge

.critedge:                                        ; preds = %.critedge.loopexit, %.preheader
  %65 = phi i32 [ %40, %.preheader ], [ %.pre69, %.critedge.loopexit ]
  %.026.lcssa = phi i64 [ 0, %.preheader ], [ %.026.lcssa.ph, %.critedge.loopexit ]
  %.024.lcssa = phi i32 [ 0, %.preheader ], [ %.024.lcssa.ph, %.critedge.loopexit ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  store i32 %.024.lcssa, ptr %9, align 4, !tbaa !5
  %66 = icmp sgt i32 %65, 0
  br i1 %66, label %.lr.ph56, label %._crit_edge

.lr.ph56:                                         ; preds = %.critedge, %92
  %.055 = phi i32 [ %.1, %92 ], [ 0, %.critedge ]
  %.12554 = phi i32 [ %.2, %92 ], [ %.024.lcssa, %.critedge ]
  %.12753 = phi i64 [ %.228, %92 ], [ %.026.lcssa, %.critedge ]
  %67 = sext i32 %.055 to i64
  %68 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %67) #7
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = add nsw i64 %.12753, %70
  %72 = load i32, ptr %4, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %.not38 = icmp sgt i64 %71, %73
  br i1 %.not38, label %83, label %74

74:                                               ; preds = %.lr.ph56
  %75 = add nsw i32 %.055, 1
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %67) #7
  %77 = load i32, ptr %76, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = add nsw i64 %.12753, %78
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #7
  %80 = add nsw i32 %75, %.12554
  store i32 %80, ptr %10, align 4, !tbaa !5
  %81 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %82 = load i32, ptr %81, align 4, !tbaa !5
  store i32 %82, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  br label %92

83:                                               ; preds = %.lr.ph56
  %84 = icmp sgt i32 %.12554, 0
  br i1 %84, label %85, label %._crit_edge.loopexit

85:                                               ; preds = %83
  %86 = add nsw i32 %.12554, -1
  %87 = zext nneg i32 %86 to i64
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %87) #7
  %89 = load i32, ptr %88, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = sub nsw i64 %.12753, %90
  br label %92

92:                                               ; preds = %85, %74
  %.228 = phi i64 [ %79, %74 ], [ %91, %85 ]
  %.2 = phi i32 [ %.12554, %74 ], [ %86, %85 ]
  %.1 = phi i32 [ %75, %74 ], [ %.055, %85 ]
  %93 = load i32, ptr %3, align 4, !tbaa !5
  %94 = icmp slt i32 %.1, %93
  br i1 %94, label %.lr.ph56, label %._crit_edge.loopexit, !llvm.loop !13

._crit_edge.loopexit:                             ; preds = %83, %92
  %.pre70 = load i32, ptr %9, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.critedge
  %95 = phi i32 [ %.pre70, %._crit_edge.loopexit ], [ %.024.lcssa, %.critedge ]
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %95)
          to label %97 unwind label %102

97:                                               ; preds = %._crit_edge
  %98 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %96, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %99 unwind label %102

99:                                               ; preds = %97
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  %100 = load i32, ptr %1, align 4, !tbaa !5
  %101 = add nsw i32 %100, -1
  store i32 %101, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %100, 0
  br i1 %.not, label %._crit_edge61, label %.lr.ph60, !llvm.loop !14

102:                                              ; preds = %97, %._crit_edge
  %103 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  br label %104

104:                                              ; preds = %102, %49, %38
  %.pn = phi { ptr, i32 } [ %39, %38 ], [ %50, %49 ], [ %103, %102 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #7
  br label %105

105:                                              ; preds = %104, %30
  %.pn.pn = phi { ptr, i32 } [ %.pn, %104 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %106

106:                                              ; preds = %105, %28
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %105 ], [ %29, %28 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn.pn

._crit_edge61:                                    ; preds = %99, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0
}

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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) #1

; 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 #3 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

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!"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,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass