; LLVM IR from TrainingByPackt/CPP-Data-Structures-and-Algorithm-Design-Principles :: Lesson1/Exercise01 (Exercise1)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%class.dynamic_array = type { ptr, i64 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%struct.student = type <{ %"class.std::__cxx11::basic_string", i32, [4 x i8] }>
%"class.std::allocator" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [39 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.4 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [18 x i8], align 1

; 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) #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #0

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %class.dynamic_array, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca i32, align 4
  %9 = alloca %struct.student, align 8
  %10 = alloca %struct.student, align 8
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca %struct.student, align 8
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca %class.dynamic_array, align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"class.std::allocator", align 1
  %18 = alloca %class.dynamic_array, align 8
  %19 = alloca %"class.std::__cxx11::basic_string", align 8
  %20 = alloca %"class.std::__cxx11::basic_string", align 8
  %21 = alloca %"class.std::allocator", align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
  %23 = 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)
  call void @llvm.lifetime.start.p0(i64 16, ptr %3) #8
  %24 = load i32, ptr %2, align 4, !tbaa !5
  call void @_ZN13dynamic_arrayI7studentEC2Ei(ptr noundef nonnull align 8 dereferenceable(16) %3, i32 noundef %24)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %51, %0
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  br label %73

30:                                               ; preds = %25
  %31 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
          to label %32 unwind label %54

32:                                               ; preds = %30
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = add nsw i32 %33, 1
  %35 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %31, i32 noundef %34)
          to label %36 unwind label %54

36:                                               ; preds = %32
  %37 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %35, ptr noundef @.str.5)
          to label %38 unwind label %54

38:                                               ; preds = %36
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  %39 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %40 unwind label %58

40:                                               ; preds = %38
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %39, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %42 unwind label %58

42:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 40, ptr %9) #8
  %43 = getelementptr inbounds %struct.student, ptr %9, i32 0, i32 0
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %43, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %44 unwind label %62

44:                                               ; preds = %42
  %45 = getelementptr inbounds %struct.student, ptr %9, i32 0, i32 1
  %46 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %46, ptr %45, align 8, !tbaa !9
  %47 = load i32, ptr %4, align 4, !tbaa !5
  %48 = invoke noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentEixEi(ptr noundef nonnull align 8 dereferenceable(16) %3, i32 noundef %47)
          to label %49 unwind label %66

49:                                               ; preds = %44
  %50 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36) %48, ptr noundef nonnull align 8 dereferenceable(36) %9) #8
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %9) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #8
  br label %51

51:                                               ; preds = %49
  %52 = load i32, ptr %4, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %4, align 4, !tbaa !5
  br label %25, !llvm.loop !15

54:                                               ; preds = %36, %32, %30
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %5, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %6, align 4
  br label %72

58:                                               ; preds = %40, %38
  %59 = landingpad { ptr, i32 }
          cleanup
  %60 = extractvalue { ptr, i32 } %59, 0
  store ptr %60, ptr %5, align 8
  %61 = extractvalue { ptr, i32 } %59, 1
  store i32 %61, ptr %6, align 4
  br label %71

62:                                               ; preds = %42
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %5, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %6, align 4
  br label %70

66:                                               ; preds = %44
  %67 = landingpad { ptr, i32 }
          cleanup
  %68 = extractvalue { ptr, i32 } %67, 0
  store ptr %68, ptr %5, align 8
  %69 = extractvalue { ptr, i32 } %67, 1
  store i32 %69, ptr %6, align 4
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %9) #8
  br label %70

70:                                               ; preds = %66, %62
  call void @llvm.lifetime.end.p0(i64 40, ptr %9) #8
  br label %71

71:                                               ; preds = %70, %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #8
  br label %72

72:                                               ; preds = %71, %54
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  br label %199

73:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 40, ptr %10) #8
  %74 = getelementptr inbounds %struct.student, ptr %10, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %74, ptr noundef @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %75 unwind label %92

75:                                               ; preds = %73
  %76 = getelementptr inbounds %struct.student, ptr %10, i32 0, i32 1
  store i32 8, ptr %76, align 8, !tbaa !9
  %77 = load i32, ptr %2, align 4, !tbaa !5
  %78 = invoke noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentEixEi(ptr noundef nonnull align 8 dereferenceable(16) %3, i32 noundef %77)
          to label %79 unwind label %96

79:                                               ; preds = %75
  %80 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36) %78, ptr noundef nonnull align 8 dereferenceable(36) %10) #8
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %10) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #8
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.7)
          to label %82 unwind label %101

82:                                               ; preds = %79
  %83 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %84 unwind label %101

84:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 40, ptr %12) #8
  %85 = getelementptr inbounds %struct.student, ptr %12, i32 0, i32 0
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %85, ptr noundef @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %86 unwind label %105

86:                                               ; preds = %84
  %87 = getelementptr inbounds %struct.student, ptr %12, i32 0, i32 1
  store i32 8, ptr %87, align 8, !tbaa !9
  %88 = load i32, ptr %2, align 4, !tbaa !5
  %89 = invoke noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentE2atEi(ptr noundef nonnull align 8 dereferenceable(16) %3, i32 noundef %88)
          to label %90 unwind label %109

90:                                               ; preds = %86
  %91 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36) %89, ptr noundef nonnull align 8 dereferenceable(36) %12) #8
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %12) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr %12) #8
  br label %122

92:                                               ; preds = %73
  %93 = landingpad { ptr, i32 }
          catch ptr null
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %5, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %6, align 4
  br label %100

96:                                               ; preds = %75
  %97 = landingpad { ptr, i32 }
          catch ptr null
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %5, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %6, align 4
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %10) #8
  br label %100

100:                                              ; preds = %96, %92
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr %10) #8
  br label %114

101:                                              ; preds = %82, %79
  %102 = landingpad { ptr, i32 }
          catch ptr null
  %103 = extractvalue { ptr, i32 } %102, 0
  store ptr %103, ptr %5, align 8
  %104 = extractvalue { ptr, i32 } %102, 1
  store i32 %104, ptr %6, align 4
  br label %114

105:                                              ; preds = %84
  %106 = landingpad { ptr, i32 }
          catch ptr null
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %5, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %6, align 4
  br label %113

109:                                              ; preds = %86
  %110 = landingpad { ptr, i32 }
          catch ptr null
  %111 = extractvalue { ptr, i32 } %110, 0
  store ptr %111, ptr %5, align 8
  %112 = extractvalue { ptr, i32 } %110, 1
  store i32 %112, ptr %6, align 4
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %12) #8
  br label %113

113:                                              ; preds = %109, %105
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr %12) #8
  br label %114

114:                                              ; preds = %113, %101, %100
  %115 = load ptr, ptr %5, align 8
  %116 = call ptr @__cxa_begin_catch(ptr %115) #8
  %117 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.8)
          to label %118 unwind label %142

118:                                              ; preds = %114
  %119 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %117, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %120 unwind label %142

120:                                              ; preds = %118
  invoke void @__cxa_end_catch()
          to label %121 unwind label %146

121:                                              ; preds = %120
  br label %122

122:                                              ; preds = %121, %90
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #8
  invoke void @_ZN13dynamic_arrayI7studentEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %123 unwind label %151

123:                                              ; preds = %122
  %124 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.9)
          to label %125 unwind label %155

125:                                              ; preds = %123
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr %16) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr %17) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef @.str.10, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %126 unwind label %159

126:                                              ; preds = %125
  invoke void @_ZN13dynamic_arrayI7studentE9to_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(32) %16)
          to label %127 unwind label %163

127:                                              ; preds = %126
  %128 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %124, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %129 unwind label %167

129:                                              ; preds = %127
  %130 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %128, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %131 unwind label %167

131:                                              ; preds = %129
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr %18) #8
  invoke void @_ZplRK13dynamic_arrayI7studentERS1_(ptr dead_on_unwind writable sret(%class.dynamic_array) align 8 %18, ptr noundef nonnull align 8 dereferenceable(16) %3, ptr noundef nonnull align 8 dereferenceable(16) %14)
          to label %132 unwind label %173

132:                                              ; preds = %131
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.11)
          to label %134 unwind label %177

134:                                              ; preds = %132
  call void @llvm.lifetime.start.p0(i64 32, ptr %19) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr %20) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr %21) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %20, ptr noundef @.str.10, ptr noundef nonnull align 1 dereferenceable(1) %21)
          to label %135 unwind label %181

135:                                              ; preds = %134
  invoke void @_ZN13dynamic_arrayI7studentE9to_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %19, ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %136 unwind label %185

136:                                              ; preds = %135
  %137 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %19)
          to label %138 unwind label %189

138:                                              ; preds = %136
  %139 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %137, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %140 unwind label %189

140:                                              ; preds = %138
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #8
  store i32 0, ptr %1, align 4
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %18) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %18) #8
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %14) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #8
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  %141 = load i32, ptr %1, align 4
  ret i32 %141

142:                                              ; preds = %118, %114
  %143 = landingpad { ptr, i32 }
          cleanup
  %144 = extractvalue { ptr, i32 } %143, 0
  store ptr %144, ptr %5, align 8
  %145 = extractvalue { ptr, i32 } %143, 1
  store i32 %145, ptr %6, align 4
  invoke void @__cxa_end_catch()
          to label %150 unwind label %205

146:                                              ; preds = %120
  %147 = landingpad { ptr, i32 }
          cleanup
  %148 = extractvalue { ptr, i32 } %147, 0
  store ptr %148, ptr %5, align 8
  %149 = extractvalue { ptr, i32 } %147, 1
  store i32 %149, ptr %6, align 4
  br label %199

150:                                              ; preds = %142
  br label %199

151:                                              ; preds = %122
  %152 = landingpad { ptr, i32 }
          cleanup
  %153 = extractvalue { ptr, i32 } %152, 0
  store ptr %153, ptr %5, align 8
  %154 = extractvalue { ptr, i32 } %152, 1
  store i32 %154, ptr %6, align 4
  br label %198

155:                                              ; preds = %123
  %156 = landingpad { ptr, i32 }
          cleanup
  %157 = extractvalue { ptr, i32 } %156, 0
  store ptr %157, ptr %5, align 8
  %158 = extractvalue { ptr, i32 } %156, 1
  store i32 %158, ptr %6, align 4
  br label %197

159:                                              ; preds = %125
  %160 = landingpad { ptr, i32 }
          cleanup
  %161 = extractvalue { ptr, i32 } %160, 0
  store ptr %161, ptr %5, align 8
  %162 = extractvalue { ptr, i32 } %160, 1
  store i32 %162, ptr %6, align 4
  br label %172

163:                                              ; preds = %126
  %164 = landingpad { ptr, i32 }
          cleanup
  %165 = extractvalue { ptr, i32 } %164, 0
  store ptr %165, ptr %5, align 8
  %166 = extractvalue { ptr, i32 } %164, 1
  store i32 %166, ptr %6, align 4
  br label %171

167:                                              ; preds = %129, %127
  %168 = landingpad { ptr, i32 }
          cleanup
  %169 = extractvalue { ptr, i32 } %168, 0
  store ptr %169, ptr %5, align 8
  %170 = extractvalue { ptr, i32 } %168, 1
  store i32 %170, ptr %6, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  br label %171

171:                                              ; preds = %167, %163
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #8
  br label %172

172:                                              ; preds = %171, %159
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #8
  br label %197

173:                                              ; preds = %131
  %174 = landingpad { ptr, i32 }
          cleanup
  %175 = extractvalue { ptr, i32 } %174, 0
  store ptr %175, ptr %5, align 8
  %176 = extractvalue { ptr, i32 } %174, 1
  store i32 %176, ptr %6, align 4
  br label %196

177:                                              ; preds = %132
  %178 = landingpad { ptr, i32 }
          cleanup
  %179 = extractvalue { ptr, i32 } %178, 0
  store ptr %179, ptr %5, align 8
  %180 = extractvalue { ptr, i32 } %178, 1
  store i32 %180, ptr %6, align 4
  br label %195

181:                                              ; preds = %134
  %182 = landingpad { ptr, i32 }
          cleanup
  %183 = extractvalue { ptr, i32 } %182, 0
  store ptr %183, ptr %5, align 8
  %184 = extractvalue { ptr, i32 } %182, 1
  store i32 %184, ptr %6, align 4
  br label %194

185:                                              ; preds = %135
  %186 = landingpad { ptr, i32 }
          cleanup
  %187 = extractvalue { ptr, i32 } %186, 0
  store ptr %187, ptr %5, align 8
  %188 = extractvalue { ptr, i32 } %186, 1
  store i32 %188, ptr %6, align 4
  br label %193

189:                                              ; preds = %138, %136
  %190 = landingpad { ptr, i32 }
          cleanup
  %191 = extractvalue { ptr, i32 } %190, 0
  store ptr %191, ptr %5, align 8
  %192 = extractvalue { ptr, i32 } %190, 1
  store i32 %192, ptr %6, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %19) #8
  br label %193

193:                                              ; preds = %189, %185
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #8
  br label %194

194:                                              ; preds = %193, %181
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %21) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %19) #8
  br label %195

195:                                              ; preds = %194, %177
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %18) #8
  br label %196

196:                                              ; preds = %195, %173
  call void @llvm.lifetime.end.p0(i64 16, ptr %18) #8
  br label %197

197:                                              ; preds = %196, %172, %155
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %14) #8
  br label %198

198:                                              ; preds = %197, %151
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #8
  br label %199

199:                                              ; preds = %198, %150, %146, %72
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %3) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %200

200:                                              ; preds = %199
  %201 = load ptr, ptr %5, align 8
  %202 = load i32, ptr %6, align 4
  %203 = insertvalue { ptr, i32 } poison, ptr %201, 0
  %204 = insertvalue { ptr, i32 } %203, i32 %202, 1
  resume { ptr, i32 } %204

205:                                              ; preds = %142
  %206 = landingpad { ptr, i32 }
          catch ptr null
  %207 = extractvalue { ptr, i32 } %206, 0
  call void @__clang_call_terminate(ptr %207) #9
  unreachable
}

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

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: mustprogress uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentEC2Ei(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentEixEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36), ptr noundef nonnull align 8 dereferenceable(36)) #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #6 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 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)) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentE2atEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #4 align 2

declare ptr @__cxa_begin_catch(ptr)

declare void @__cxa_end_catch()

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #7

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentE9to_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZplRK13dynamic_arrayI7studentERS1_(ptr dead_on_unwind noalias writable sret(%class.dynamic_array) align 8, ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

attributes #0 = { 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 #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 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 #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 = { 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 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 #7 = { noinline noreturn nounwind uwtable "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 #8 = { nounwind }
attributes #9 = { noreturn 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, !6, i64 32}
!10 = !{!"_ZTS7student", !11, i64 0, !6, i64 32}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !14, i64 8, !7, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%class.dynamic_array = type { ptr, i64 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%struct.student = type <{ %"class.std::__cxx11::basic_string", i32, [4 x i8] }>
%"class.std::allocator" = type { i8 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [39 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.4 = external hidden unnamed_addr constant [33 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [50 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [52 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [18 x i8], align 1

; 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 #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0

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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %class.dynamic_array, align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca i32, align 4
  %5 = alloca %struct.student, align 8
  %6 = alloca %struct.student, align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %struct.student, align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca %class.dynamic_array, align 8
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca %class.dynamic_array, align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"class.std::__cxx11::basic_string", align 8
  %17 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  %18 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
  %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) %1)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #8
  %20 = load i32, ptr %1, align 4, !tbaa !5
  call void @_ZN13dynamic_arrayI7studentEC2Ei(ptr noundef nonnull align 8 dereferenceable(16) %2, i32 noundef %20)
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0
  %23 = getelementptr inbounds i8, ptr %5, i64 32
  br label %24

._crit_edge:                                      ; preds = %36, %0
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %6) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %49 unwind label %64

24:                                               ; preds = %.lr.ph, %36
  %.01833 = phi i32 [ 0, %.lr.ph ], [ %27, %36 ]
  %25 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
          to label %26 unwind label %42

26:                                               ; preds = %24
  %27 = add nuw nsw i32 %.01833, 1
  %28 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %25, i32 noundef %27)
          to label %29 unwind label %42

29:                                               ; preds = %26
  %30 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef nonnull @.str.5)
          to label %31 unwind label %42

31:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %33 unwind label %44

33:                                               ; preds = %31
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %35 unwind label %44

35:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %36 unwind label %46

36:                                               ; preds = %35
  %37 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %37, ptr %23, align 8, !tbaa !9
  %38 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentEixEi(ptr noundef nonnull align 8 dereferenceable(16) %2, i32 noundef %.01833)
  %39 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36) %38, ptr noundef nonnull align 8 dereferenceable(36) %5) #8
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %5) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #8
  %40 = load i32, ptr %1, align 4, !tbaa !5
  %41 = icmp slt i32 %27, %40
  br i1 %41, label %24, label %._crit_edge, !llvm.loop !15

42:                                               ; preds = %29, %26, %24
  %43 = landingpad { ptr, i32 }
          cleanup
  br label %130

44:                                               ; preds = %33, %31
  %45 = landingpad { ptr, i32 }
          cleanup
  br label %48

46:                                               ; preds = %35
  %47 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #8
  br label %48

48:                                               ; preds = %46, %44
  %.pn29 = phi { ptr, i32 } [ %47, %46 ], [ %45, %44 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #8
  br label %130

49:                                               ; preds = %._crit_edge
  %50 = getelementptr inbounds i8, ptr %6, i64 32
  store i32 8, ptr %50, align 8, !tbaa !9
  %51 = load i32, ptr %1, align 4, !tbaa !5
  %52 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentEixEi(ptr noundef nonnull align 8 dereferenceable(16) %2, i32 noundef %51)
  %53 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36) %52, ptr noundef nonnull align 8 dereferenceable(36) %6) #8
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %6) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %6) #8
  %54 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.7)
          to label %55 unwind label %66

55:                                               ; preds = %49
  %56 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %54, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %57 unwind label %66

57:                                               ; preds = %55
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %8) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull @.str.6, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %58 unwind label %68

58:                                               ; preds = %57
  %59 = getelementptr inbounds i8, ptr %8, i64 32
  store i32 8, ptr %59, align 8, !tbaa !9
  %60 = load i32, ptr %1, align 4, !tbaa !5
  %61 = invoke noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentE2atEi(ptr noundef nonnull align 8 dereferenceable(16) %2, i32 noundef %60)
          to label %62 unwind label %70

62:                                               ; preds = %58
  %63 = call noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36) %61, ptr noundef nonnull align 8 dereferenceable(36) %8) #8
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %8) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %8) #8
  br label %79

64:                                               ; preds = %._crit_edge
  %65 = landingpad { ptr, i32 }
          catch ptr null
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %6) #8
  br label %73

66:                                               ; preds = %55, %49
  %67 = landingpad { ptr, i32 }
          catch ptr null
  br label %73

68:                                               ; preds = %57
  %69 = landingpad { ptr, i32 }
          catch ptr null
  br label %72

70:                                               ; preds = %58
  %71 = landingpad { ptr, i32 }
          catch ptr null
  call void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %8) #8
  br label %72

72:                                               ; preds = %70, %68
  %.pn = phi { ptr, i32 } [ %71, %70 ], [ %69, %68 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #8
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %8) #8
  br label %73

73:                                               ; preds = %72, %66, %64
  %.pn.pn = phi { ptr, i32 } [ %.pn, %72 ], [ %67, %66 ], [ %65, %64 ]
  %.310 = extractvalue { ptr, i32 } %.pn.pn, 0
  %74 = call ptr @__cxa_begin_catch(ptr %.310) #8
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.8)
          to label %76 unwind label %98

76:                                               ; preds = %73
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %78 unwind label %98

78:                                               ; preds = %76
  invoke void @__cxa_end_catch()
          to label %79 unwind label %100

79:                                               ; preds = %78, %62
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %10) #8
  invoke void @_ZN13dynamic_arrayI7studentEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 8 dereferenceable(16) %2)
          to label %80 unwind label %102

80:                                               ; preds = %79
  %81 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.9)
          to label %82 unwind label %104

82:                                               ; preds = %80
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %11) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %12) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %13) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef nonnull @.str.10, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %83 unwind label %106

83:                                               ; preds = %82
  invoke void @_ZN13dynamic_arrayI7studentE9to_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %84 unwind label %108

84:                                               ; preds = %83
  %85 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) %81, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %86 unwind label %110

86:                                               ; preds = %84
  %87 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %85, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %88 unwind label %110

88:                                               ; preds = %86
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %11) #8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %14) #8
  invoke void @_ZplRK13dynamic_arrayI7studentERS1_(ptr dead_on_unwind nonnull writable sret(%class.dynamic_array) align 8 %14, ptr noundef nonnull align 8 dereferenceable(16) %2, ptr noundef nonnull align 8 dereferenceable(16) %10)
          to label %89 unwind label %114

89:                                               ; preds = %88
  %90 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.11)
          to label %91 unwind label %116

91:                                               ; preds = %89
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %15) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %16) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %17) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %16, ptr noundef nonnull @.str.10, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %92 unwind label %118

92:                                               ; preds = %91
  invoke void @_ZN13dynamic_arrayI7studentE9to_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %15, ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(32) %16)
          to label %93 unwind label %120

93:                                               ; preds = %92
  %94 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %95 unwind label %122

95:                                               ; preds = %93
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %94, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %97 unwind label %122

97:                                               ; preds = %95
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %16) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #8
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %14) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %14) #8
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %10) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #8
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0

98:                                               ; preds = %76, %73
  %99 = landingpad { ptr, i32 }
          cleanup
  invoke void @__cxa_end_catch()
          to label %130 unwind label %131

100:                                              ; preds = %78
  %101 = landingpad { ptr, i32 }
          cleanup
  br label %130

102:                                              ; preds = %79
  %103 = landingpad { ptr, i32 }
          cleanup
  br label %129

104:                                              ; preds = %80
  %105 = landingpad { ptr, i32 }
          cleanup
  br label %128

106:                                              ; preds = %82
  %107 = landingpad { ptr, i32 }
          cleanup
  br label %113

108:                                              ; preds = %83
  %109 = landingpad { ptr, i32 }
          cleanup
  br label %112

110:                                              ; preds = %86, %84
  %111 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #8
  br label %112

112:                                              ; preds = %110, %108
  %.pn19 = phi { ptr, i32 } [ %111, %110 ], [ %109, %108 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #8
  br label %113

113:                                              ; preds = %112, %106
  %.pn19.pn = phi { ptr, i32 } [ %.pn19, %112 ], [ %107, %106 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %13) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %11) #8
  br label %128

114:                                              ; preds = %88
  %115 = landingpad { ptr, i32 }
          cleanup
  br label %127

116:                                              ; preds = %89
  %117 = landingpad { ptr, i32 }
          cleanup
  br label %126

118:                                              ; preds = %91
  %119 = landingpad { ptr, i32 }
          cleanup
  br label %125

120:                                              ; preds = %92
  %121 = landingpad { ptr, i32 }
          cleanup
  br label %124

122:                                              ; preds = %95, %93
  %123 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  br label %124

124:                                              ; preds = %122, %120
  %.pn22 = phi { ptr, i32 } [ %123, %122 ], [ %121, %120 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #8
  br label %125

125:                                              ; preds = %124, %118
  %.pn22.pn = phi { ptr, i32 } [ %.pn22, %124 ], [ %119, %118 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %16) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #8
  br label %126

126:                                              ; preds = %125, %116
  %.pn22.pn.pn = phi { ptr, i32 } [ %.pn22.pn, %125 ], [ %117, %116 ]
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %14) #8
  br label %127

127:                                              ; preds = %126, %114
  %.pn22.pn.pn.pn = phi { ptr, i32 } [ %.pn22.pn.pn, %126 ], [ %115, %114 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %14) #8
  br label %128

128:                                              ; preds = %127, %113, %104
  %.pn22.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn22.pn.pn.pn, %127 ], [ %.pn19.pn, %113 ], [ %105, %104 ]
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %10) #8
  br label %129

129:                                              ; preds = %128, %102
  %.pn22.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn22.pn.pn.pn.pn, %128 ], [ %103, %102 ]
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #8
  br label %130

130:                                              ; preds = %42, %48, %98, %129, %100
  %.pn29.pn.pn = phi { ptr, i32 } [ %.pn22.pn.pn.pn.pn.pn, %129 ], [ %101, %100 ], [ %99, %98 ], [ %.pn29, %48 ], [ %43, %42 ]
  call void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %2) #8
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn29.pn.pn

131:                                              ; preds = %98
  %132 = landingpad { ptr, i32 }
          catch ptr null
  %133 = extractvalue { ptr, i32 } %132, 0
  call void @__clang_call_terminate(ptr %133) #9
  unreachable
}

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

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 uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentEC2Ei(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentEixEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZN7studentaSEOS_(ptr noundef nonnull align 8 dereferenceable(36), ptr noundef nonnull align 8 dereferenceable(36)) local_unnamed_addr #6 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN7studentD2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #6 align 2

; 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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 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)) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(36) ptr @_ZN13dynamic_arrayI7studentE2atEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #4 align 2

declare ptr @__cxa_begin_catch(ptr) local_unnamed_addr

declare void @__cxa_end_catch() local_unnamed_addr

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #7

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentE9to_stringERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZplRK13dynamic_arrayI7studentERS1_(ptr dead_on_unwind noalias writable sret(%class.dynamic_array) align 8, ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN13dynamic_arrayI7studentED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

attributes #0 = { 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 #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 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 #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 = { 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 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 #7 = { noinline noreturn nounwind uwtable "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 #8 = { nounwind }
attributes #9 = { noreturn 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, !6, i64 32}
!10 = !{!"_ZTS7student", !11, i64 0, !6, i64 32}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !14, i64 8, !7, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass