; LLVM IR from amritansh22/Data-Structures-and-Algorithms-in-cpp :: merge_k_sorted_arrays (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_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::initializer_list" = type { ptr, i64 }
%"class.std::initializer_list.12" = type { ptr, i64 }
%"class.std::allocator" = type { i8 }
%"class.std::allocator.7" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15mergeKSortedArrRSt6vectorIS_IiSaIiEESaIS1_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #0

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

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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector.5", align 8
  %3 = alloca %"class.std::initializer_list", align 8
  %4 = alloca [4 x %"class.std::vector"], align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::initializer_list.12", align 8
  %7 = alloca [4 x i32], align 4
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::initializer_list.12", align 8
  %12 = alloca [4 x i32], align 4
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca %"class.std::initializer_list.12", align 8
  %15 = alloca [4 x i32], align 4
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca %"class.std::initializer_list.12", align 8
  %18 = alloca [4 x i32], align 4
  %19 = alloca %"class.std::allocator", align 1
  %20 = alloca i1, align 1
  %21 = alloca %"class.std::allocator.7", align 1
  %22 = alloca %"class.std::vector", align 8
  %23 = alloca ptr, align 8
  %24 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %25 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %26 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 96, ptr %4) #7
  store i1 true, ptr %20, align 1
  store ptr %4, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #7
  store i32 1, ptr %7, align 4, !tbaa !5
  %27 = getelementptr inbounds i32, ptr %7, i64 1
  store i32 10, ptr %27, align 4, !tbaa !5
  %28 = getelementptr inbounds i32, ptr %7, i64 2
  store i32 11, ptr %28, align 4, !tbaa !5
  %29 = getelementptr inbounds i32, ptr %7, i64 3
  store i32 15, ptr %29, align 4, !tbaa !5
  %30 = getelementptr inbounds %"class.std::initializer_list.12", ptr %6, i32 0, i32 0
  store ptr %7, ptr %30, align 8, !tbaa !9
  %31 = getelementptr inbounds %"class.std::initializer_list.12", ptr %6, i32 0, i32 1
  store i64 4, ptr %31, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #7
  %32 = getelementptr inbounds { ptr, i64 }, ptr %6, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8
  %34 = getelementptr inbounds { ptr, i64 }, ptr %6, i32 0, i32 1
  %35 = load i64, ptr %34, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr %33, i64 %35, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %36 unwind label %94

36:                                               ; preds = %0
  %37 = getelementptr inbounds %"class.std::vector", ptr %4, i64 1
  store ptr %37, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %12) #7
  store i32 2, ptr %12, align 4, !tbaa !5
  %38 = getelementptr inbounds i32, ptr %12, i64 1
  store i32 4, ptr %38, align 4, !tbaa !5
  %39 = getelementptr inbounds i32, ptr %12, i64 2
  store i32 9, ptr %39, align 4, !tbaa !5
  %40 = getelementptr inbounds i32, ptr %12, i64 3
  store i32 14, ptr %40, align 4, !tbaa !5
  %41 = getelementptr inbounds %"class.std::initializer_list.12", ptr %11, i32 0, i32 0
  store ptr %12, ptr %41, align 8, !tbaa !9
  %42 = getelementptr inbounds %"class.std::initializer_list.12", ptr %11, i32 0, i32 1
  store i64 4, ptr %42, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  %43 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 0
  %44 = load ptr, ptr %43, align 8
  %45 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 1
  %46 = load i64, ptr %45, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %37, ptr %44, i64 %46, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %47 unwind label %98

47:                                               ; preds = %36
  %48 = getelementptr inbounds %"class.std::vector", ptr %4, i64 2
  store ptr %48, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %15) #7
  store i32 5, ptr %15, align 4, !tbaa !5
  %49 = getelementptr inbounds i32, ptr %15, i64 1
  store i32 6, ptr %49, align 4, !tbaa !5
  %50 = getelementptr inbounds i32, ptr %15, i64 2
  store i32 8, ptr %50, align 4, !tbaa !5
  %51 = getelementptr inbounds i32, ptr %15, i64 3
  store i32 16, ptr %51, align 4, !tbaa !5
  %52 = getelementptr inbounds %"class.std::initializer_list.12", ptr %14, i32 0, i32 0
  store ptr %15, ptr %52, align 8, !tbaa !9
  %53 = getelementptr inbounds %"class.std::initializer_list.12", ptr %14, i32 0, i32 1
  store i64 4, ptr %53, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  %54 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 0
  %55 = load ptr, ptr %54, align 8
  %56 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 1
  %57 = load i64, ptr %56, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %48, ptr %55, i64 %57, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %58 unwind label %102

58:                                               ; preds = %47
  %59 = getelementptr inbounds %"class.std::vector", ptr %4, i64 3
  store ptr %59, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %18) #7
  store i32 3, ptr %18, align 4, !tbaa !5
  %60 = getelementptr inbounds i32, ptr %18, i64 1
  store i32 7, ptr %60, align 4, !tbaa !5
  %61 = getelementptr inbounds i32, ptr %18, i64 2
  store i32 12, ptr %61, align 4, !tbaa !5
  %62 = getelementptr inbounds i32, ptr %18, i64 3
  store i32 13, ptr %62, align 4, !tbaa !5
  %63 = getelementptr inbounds %"class.std::initializer_list.12", ptr %17, i32 0, i32 0
  store ptr %18, ptr %63, align 8, !tbaa !9
  %64 = getelementptr inbounds %"class.std::initializer_list.12", ptr %17, i32 0, i32 1
  store i64 4, ptr %64, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %19) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #7
  %65 = getelementptr inbounds { ptr, i64 }, ptr %17, i32 0, i32 0
  %66 = load ptr, ptr %65, align 8
  %67 = getelementptr inbounds { ptr, i64 }, ptr %17, i32 0, i32 1
  %68 = load i64, ptr %67, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %59, ptr %66, i64 %68, ptr noundef nonnull align 1 dereferenceable(1) %19)
          to label %69 unwind label %106

69:                                               ; preds = %58
  store i1 false, ptr %20, align 1
  %70 = getelementptr inbounds %"class.std::initializer_list", ptr %3, i32 0, i32 0
  store ptr %4, ptr %70, align 8, !tbaa !14
  %71 = getelementptr inbounds %"class.std::initializer_list", ptr %3, i32 0, i32 1
  store i64 4, ptr %71, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 1, ptr %21) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #7
  %72 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 0
  %73 = load ptr, ptr %72, align 8
  %74 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 1
  %75 = load i64, ptr %74, align 8
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr %73, i64 %75, ptr noundef nonnull align 1 dereferenceable(1) %21)
          to label %76 unwind label %110

76:                                               ; preds = %69
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #7
  %77 = getelementptr inbounds [4 x %"class.std::vector"], ptr %4, i32 0, i32 0
  %78 = getelementptr inbounds %"class.std::vector", ptr %77, i64 4
  br label %79

79:                                               ; preds = %79, %76
  %80 = phi ptr [ %78, %76 ], [ %81, %79 ]
  %81 = getelementptr inbounds %"class.std::vector", ptr %80, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %81) #7
  %82 = icmp eq ptr %81, %77
  br i1 %82, label %83, label %79

83:                                               ; preds = %79
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %18) #7
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #7
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #7
  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 16, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 96, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %22) #7
  invoke void @_Z15mergeKSortedArrRSt6vectorIS_IiSaIiEESaIS1_EE(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %22, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %84 unwind label %135

84:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #7
  store ptr %22, ptr %23, align 8, !tbaa !17
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #7
  %85 = load ptr, ptr %23, align 8, !tbaa !17
  %86 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %85) #7
  %87 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %24, i32 0, i32 0
  store ptr %86, ptr %87, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #7
  %88 = load ptr, ptr %23, align 8, !tbaa !17
  %89 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %88) #7
  %90 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %25, i32 0, i32 0
  store ptr %89, ptr %90, align 8
  br label %91

91:                                               ; preds = %147, %84
  %92 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull align 8 dereferenceable(8) %25) #7
  br i1 %92, label %139, label %93

93:                                               ; preds = %91
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  br label %153

94:                                               ; preds = %0
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %9, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %10, align 4
  br label %124

98:                                               ; preds = %36
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %9, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %10, align 4
  br label %123

102:                                              ; preds = %47
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %9, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %10, align 4
  br label %122

106:                                              ; preds = %58
  %107 = landingpad { ptr, i32 }
          cleanup
  %108 = extractvalue { ptr, i32 } %107, 0
  store ptr %108, ptr %9, align 8
  %109 = extractvalue { ptr, i32 } %107, 1
  store i32 %109, ptr %10, align 4
  br label %121

110:                                              ; preds = %69
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %9, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %10, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #7
  %114 = getelementptr inbounds [4 x %"class.std::vector"], ptr %4, i32 0, i32 0
  %115 = getelementptr inbounds %"class.std::vector", ptr %114, i64 4
  br label %116

116:                                              ; preds = %116, %110
  %117 = phi ptr [ %115, %110 ], [ %118, %116 ]
  %118 = getelementptr inbounds %"class.std::vector", ptr %117, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %118) #7
  %119 = icmp eq ptr %118, %114
  br i1 %119, label %120, label %116

120:                                              ; preds = %116
  br label %121

121:                                              ; preds = %120, %106
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %19) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %18) #7
  br label %122

122:                                              ; preds = %121, %102
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #7
  br label %123

123:                                              ; preds = %122, %98
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %12) #7
  br label %124

124:                                              ; preds = %123, %94
  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 16, ptr %7) #7
  %125 = load i1, ptr %20, align 1
  br i1 %125, label %126, label %134

126:                                              ; preds = %124
  %127 = load ptr, ptr %5, align 8
  %128 = icmp eq ptr %4, %127
  br i1 %128, label %133, label %129

129:                                              ; preds = %129, %126
  %130 = phi ptr [ %127, %126 ], [ %131, %129 ]
  %131 = getelementptr inbounds %"class.std::vector", ptr %130, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %131) #7
  %132 = icmp eq ptr %131, %4
  br i1 %132, label %133, label %129

133:                                              ; preds = %129, %126
  br label %134

134:                                              ; preds = %133, %124
  call void @llvm.lifetime.end.p0(i64 96, ptr %4) #7
  br label %156

135:                                              ; preds = %83
  %136 = landingpad { ptr, i32 }
          cleanup
  %137 = extractvalue { ptr, i32 } %136, 0
  store ptr %137, ptr %9, align 8
  %138 = extractvalue { ptr, i32 } %136, 1
  store i32 %138, ptr %10, align 4
  br label %155

139:                                              ; preds = %91
  call void @llvm.lifetime.start.p0(i64 4, ptr %26) #7
  %140 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %24) #7
  %141 = load i32, ptr %140, align 4, !tbaa !5
  store i32 %141, ptr %26, align 4, !tbaa !5
  %142 = load i32, ptr %26, align 4, !tbaa !5
  %143 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %142)
          to label %144 unwind label %149

144:                                              ; preds = %139
  %145 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %143, ptr noundef @.str)
          to label %146 unwind label %149

146:                                              ; preds = %144
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  br label %147

147:                                              ; preds = %146
  %148 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %24) #7
  br label %91

149:                                              ; preds = %144, %139
  %150 = landingpad { ptr, i32 }
          cleanup
  %151 = extractvalue { ptr, i32 } %150, 0
  store ptr %151, ptr %9, align 8
  %152 = extractvalue { ptr, i32 } %150, 1
  store i32 %152, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #7
  br label %155

153:                                              ; preds = %93
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  %154 = load i32, ptr %1, align 4
  ret i32 %154

155:                                              ; preds = %149, %135
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %156

156:                                              ; preds = %155, %134
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  br label %157

157:                                              ; preds = %156
  %158 = load ptr, ptr %9, align 8
  %159 = load i32, ptr %10, align 4
  %160 = insertvalue { ptr, i32 } poison, ptr %158, 0
  %161 = insertvalue { ptr, i32 } %160, i32 %159, 1
  resume { ptr, i32 } %161
}

; 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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 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) #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(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 = { 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 #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 #6 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTSSt16initializer_listIiE", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !12, i64 8}
!14 = !{!15, !11, i64 0}
!15 = !{!"_ZTSSt16initializer_listISt6vectorIiSaIiEEE", !11, i64 0, !12, i64 8}
!16 = !{!15, !12, i64 8}
!17 = !{!11, !11, i64 0}


; 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_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::allocator.7" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z15mergeKSortedArrRSt6vectorIS_IiSaIiEESaIS1_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0

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

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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector.5", align 8
  %2 = alloca [4 x %"class.std::vector"], align 8
  %3 = alloca [4 x i32], align 16
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca [4 x i32], align 16
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca [4 x i32], align 16
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca [4 x i32], align 16
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca %"class.std::allocator.7", align 1
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #7
  store <4 x i32> <i32 1, i32 10, i32 11, i32 15>, ptr %3, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr nonnull %3, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %15 unwind label %.thread

15:                                               ; preds = %0
  %16 = getelementptr inbounds i8, ptr %2, i64 24
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %5) #7
  store <4 x i32> <i32 2, i32 4, i32 9, i32 14>, ptr %5, align 16, !tbaa !5
  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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %16, ptr nonnull %5, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %17 unwind label %31

17:                                               ; preds = %15
  %18 = getelementptr inbounds i8, ptr %2, i64 48
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #7
  store <4 x i32> <i32 5, i32 6, i32 8, i32 16>, ptr %7, align 16, !tbaa !5
  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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr nonnull %7, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %19 unwind label %33

19:                                               ; preds = %17
  %20 = getelementptr inbounds i8, ptr %2, i64 72
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #7
  store <4 x i32> <i32 3, i32 7, i32 12, i32 13>, ptr %9, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #7
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %20, ptr nonnull %9, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %21 unwind label %35

21:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr nonnull %2, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %22 unwind label %.loopexit42.loopexit

22:                                               ; preds = %21
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #7
  %23 = getelementptr inbounds i8, ptr %2, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %23) #7
  %24 = getelementptr inbounds i8, ptr %2, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %24) #7
  %25 = getelementptr inbounds i8, ptr %2, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %25) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #7
  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 16, ptr nonnull %7) #7
  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.end.p0(i64 16, ptr nonnull %5) #7
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %12) #7
  invoke void @_Z15mergeKSortedArrRSt6vectorIS_IiSaIiEESaIS1_EE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %12, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %26 unwind label %47

26:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #7
  %27 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  store ptr %27, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #7
  %28 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  store ptr %28, ptr %14, align 8
  %29 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  br i1 %29, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %54, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  ret i32 0

.thread:                                          ; preds = %0
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #7
  br label %.loopexit

31:                                               ; preds = %15
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %43

33:                                               ; preds = %17
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %42

35:                                               ; preds = %19
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit42

.loopexit42.loopexit:                             ; preds = %21
  %37 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #7
  %38 = getelementptr inbounds i8, ptr %2, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %38) #7
  %39 = getelementptr inbounds i8, ptr %2, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %39) #7
  %40 = getelementptr inbounds i8, ptr %2, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %40) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %.loopexit42

.loopexit42:                                      ; preds = %.loopexit42.loopexit, %35
  %.pn = phi { ptr, i32 } [ %36, %35 ], [ %37, %.loopexit42.loopexit ]
  %41 = phi i1 [ false, %35 ], [ true, %.loopexit42.loopexit ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #7
  br label %42

42:                                               ; preds = %.loopexit42, %33
  %.pn.pn = phi { ptr, i32 } [ %.pn, %.loopexit42 ], [ %34, %33 ]
  %.117 = phi i1 [ %41, %.loopexit42 ], [ false, %33 ]
  %.0 = phi ptr [ %20, %.loopexit42 ], [ %18, %33 ]
  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 16, ptr nonnull %7) #7
  br label %43

43:                                               ; preds = %31, %42
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %42 ], [ %32, %31 ]
  %.218 = phi i1 [ %.117, %42 ], [ false, %31 ]
  %.1 = phi ptr [ %.0, %42 ], [ %16, %31 ]
  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.end.p0(i64 16, ptr nonnull %5) #7
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #7
  br i1 %.218, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %43, %.preheader
  %44 = phi ptr [ %45, %.preheader ], [ %.1, %43 ]
  %45 = getelementptr inbounds i8, ptr %44, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %45) #7
  %46 = icmp eq ptr %45, %2
  br i1 %46, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %.thread, %43
  %.pn.pn.pn.pn41 = phi { ptr, i32 } [ %30, %.thread ], [ %.pn.pn.pn, %43 ], [ %.pn.pn.pn, %.preheader ]
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %2) #7
  br label %60

47:                                               ; preds = %22
  %48 = landingpad { ptr, i32 }
          cleanup
  br label %59

.lr.ph:                                           ; preds = %26, %54
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %50)
          to label %52 unwind label %57

52:                                               ; preds = %.lr.ph
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef nonnull @.str)
          to label %54 unwind label %57

54:                                               ; preds = %52
  %55 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %56 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  br i1 %56, label %.lr.ph, label %._crit_edge

57:                                               ; preds = %52, %.lr.ph
  %58 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #7
  br label %59

59:                                               ; preds = %57, %47
  %.pn34 = phi { ptr, i32 } [ %58, %57 ], [ %48, %47 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %12) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  br label %60

60:                                               ; preds = %59, %.loopexit
  %.pn34.pn = phi { ptr, i32 } [ %.pn34, %59 ], [ %.pn.pn.pn.pn41, %.loopexit ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn34.pn
}

; 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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 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 #5

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(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 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 #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 #6 = { "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"}


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