; LLVM IR from afrozchakure/Competitive-Programming-Solutions :: HackerRank/Problem-Solving (MergeTwoSortedLinkedLists)

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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%"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] }
%"class.std::allocator" = type { i8 }
%class.SinglyLinkedList = type { ptr, ptr }

@.str = external hidden unnamed_addr constant [12 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z24print_singly_linked_listP20SinglyLinkedListNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt14basic_ofstreamIcS4_E(ptr noundef, ptr noundef, ptr noundef nonnull align 8 dereferenceable(248)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z23free_singly_linked_listP20SinglyLinkedListNode(ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z10mergeListsP20SinglyLinkedListNodeS0_(ptr noundef, ptr noundef) #0

; 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::basic_ofstream", align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca ptr, align 8
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  %18 = alloca %"class.std::allocator", align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 512, ptr %2) #9
  %19 = call ptr @getenv(ptr noundef @.str) #9
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %2, ptr noundef %19, i32 noundef 16)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #9
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %21 unwind label %30

21:                                               ; preds = %0
  %22 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #9
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %22, i32 noundef 10)
          to label %24 unwind label %30

24:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #9
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %133, %24
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = load i32, ptr %3, align 4, !tbaa !5
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %34, label %29

29:                                               ; preds = %25
  store i32 2, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #9
  br label %154

30:                                               ; preds = %154, %21, %0
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %4, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %5, align 4
  br label %157

34:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #9
  %35 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 16) #10
          to label %36 unwind label %48

36:                                               ; preds = %34
  invoke void @_ZN16SinglyLinkedListC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %35)
          to label %37 unwind label %52

37:                                               ; preds = %36
  store ptr %35, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #9
  %38 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %39 unwind label %56

39:                                               ; preds = %37
  %40 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #9
  %41 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %40, i32 noundef 10)
          to label %42 unwind label %56

42:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #9
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %69, %42
  %44 = load i32, ptr %10, align 4, !tbaa !5
  %45 = load i32, ptr %9, align 4, !tbaa !5
  %46 = icmp slt i32 %44, %45
  br i1 %46, label %60, label %47

47:                                               ; preds = %43
  store i32 5, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #9
  br label %76

48:                                               ; preds = %34
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %4, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %5, align 4
  br label %153

52:                                               ; preds = %36
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %4, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %35, i64 noundef 16) #11
  br label %153

56:                                               ; preds = %39, %37
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %4, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %5, align 4
  br label %152

60:                                               ; preds = %43
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #9
  %61 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %62 unwind label %72

62:                                               ; preds = %60
  %63 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #9
  %64 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %63, i32 noundef 10)
          to label %65 unwind label %72

65:                                               ; preds = %62
  %66 = load ptr, ptr %8, align 8, !tbaa !9
  %67 = load i32, ptr %11, align 4, !tbaa !5
  invoke void @_ZN16SinglyLinkedList11insert_nodeEi(ptr noundef nonnull align 8 dereferenceable(16) %66, i32 noundef %67)
          to label %68 unwind label %72

68:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #9
  br label %69

69:                                               ; preds = %68
  %70 = load i32, ptr %10, align 4, !tbaa !5
  %71 = add nsw i32 %70, 1
  store i32 %71, ptr %10, align 4, !tbaa !5
  br label %43, !llvm.loop !11

72:                                               ; preds = %65, %62, %60
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %4, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #9
  br label %152

76:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #9
  %77 = invoke noalias noundef nonnull ptr @_Znwm(i64 noundef 16) #10
          to label %78 unwind label %90

78:                                               ; preds = %76
  invoke void @_ZN16SinglyLinkedListC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %77)
          to label %79 unwind label %94

79:                                               ; preds = %78
  store ptr %77, ptr %12, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #9
  %80 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %81 unwind label %98

81:                                               ; preds = %79
  %82 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #9
  %83 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %82, i32 noundef 10)
          to label %84 unwind label %98

84:                                               ; preds = %81
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #9
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %85

85:                                               ; preds = %111, %84
  %86 = load i32, ptr %14, align 4, !tbaa !5
  %87 = load i32, ptr %13, align 4, !tbaa !5
  %88 = icmp slt i32 %86, %87
  br i1 %88, label %102, label %89

89:                                               ; preds = %85
  store i32 8, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #9
  br label %118

90:                                               ; preds = %76
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %4, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %5, align 4
  br label %151

94:                                               ; preds = %78
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %4, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %77, i64 noundef 16) #11
  br label %151

98:                                               ; preds = %81, %79
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %4, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %5, align 4
  br label %150

102:                                              ; preds = %85
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #9
  %103 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %104 unwind label %114

104:                                              ; preds = %102
  %105 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #9
  %106 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %105, i32 noundef 10)
          to label %107 unwind label %114

107:                                              ; preds = %104
  %108 = load ptr, ptr %12, align 8, !tbaa !9
  %109 = load i32, ptr %15, align 4, !tbaa !5
  invoke void @_ZN16SinglyLinkedList11insert_nodeEi(ptr noundef nonnull align 8 dereferenceable(16) %108, i32 noundef %109)
          to label %110 unwind label %114

110:                                              ; preds = %107
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #9
  br label %111

111:                                              ; preds = %110
  %112 = load i32, ptr %14, align 4, !tbaa !5
  %113 = add nsw i32 %112, 1
  store i32 %113, ptr %14, align 4, !tbaa !5
  br label %85, !llvm.loop !13

114:                                              ; preds = %107, %104, %102
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %4, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #9
  br label %150

118:                                              ; preds = %89
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #9
  %119 = load ptr, ptr %8, align 8, !tbaa !9
  %120 = getelementptr inbounds %class.SinglyLinkedList, ptr %119, i32 0, i32 0
  %121 = load ptr, ptr %120, align 8, !tbaa !14
  %122 = load ptr, ptr %12, align 8, !tbaa !9
  %123 = getelementptr inbounds %class.SinglyLinkedList, ptr %122, i32 0, i32 0
  %124 = load ptr, ptr %123, align 8, !tbaa !14
  %125 = invoke noundef ptr @_Z10mergeListsP20SinglyLinkedListNodeS0_(ptr noundef %121, ptr noundef %124)
          to label %126 unwind label %136

126:                                              ; preds = %118
  store ptr %125, ptr %16, align 8, !tbaa !9
  %127 = load ptr, ptr %16, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #9
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #9
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %128 unwind label %140

128:                                              ; preds = %126
  invoke void @_Z24print_singly_linked_listP20SinglyLinkedListNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt14basic_ofstreamIcS4_E(ptr noundef %127, ptr noundef %17, ptr noundef nonnull align 8 dereferenceable(248) %2)
          to label %129 unwind label %144

129:                                              ; preds = %128
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #9
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #9
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #9
  %130 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef @.str.2)
          to label %131 unwind label %136

131:                                              ; preds = %129
  %132 = load ptr, ptr %16, align 8, !tbaa !9
  call void @_Z23free_singly_linked_listP20SinglyLinkedListNode(ptr noundef %132)
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #9
  br label %133

133:                                              ; preds = %131
  %134 = load i32, ptr %6, align 4, !tbaa !5
  %135 = add nsw i32 %134, 1
  store i32 %135, ptr %6, align 4, !tbaa !5
  br label %25, !llvm.loop !16

136:                                              ; preds = %129, %118
  %137 = landingpad { ptr, i32 }
          cleanup
  %138 = extractvalue { ptr, i32 } %137, 0
  store ptr %138, ptr %4, align 8
  %139 = extractvalue { ptr, i32 } %137, 1
  store i32 %139, ptr %5, align 4
  br label %149

140:                                              ; preds = %126
  %141 = landingpad { ptr, i32 }
          cleanup
  %142 = extractvalue { ptr, i32 } %141, 0
  store ptr %142, ptr %4, align 8
  %143 = extractvalue { ptr, i32 } %141, 1
  store i32 %143, ptr %5, align 4
  br label %148

144:                                              ; preds = %128
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %4, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #9
  br label %148

148:                                              ; preds = %144, %140
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #9
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #9
  br label %149

149:                                              ; preds = %148, %136
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #9
  br label %150

150:                                              ; preds = %149, %114, %98
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #9
  br label %151

151:                                              ; preds = %150, %94, %90
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #9
  br label %152

152:                                              ; preds = %151, %72, %56
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #9
  br label %153

153:                                              ; preds = %152, %52, %48
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #9
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #9
  br label %157

154:                                              ; preds = %29
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %2)
          to label %155 unwind label %30

155:                                              ; preds = %154
  store i32 0, ptr %1, align 4
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #9
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #9
  call void @llvm.lifetime.end.p0(i64 512, ptr %2) #9
  %156 = load i32, ptr %1, align 4
  ret i32 %156

157:                                              ; preds = %153, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #9
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #9
  call void @llvm.lifetime.end.p0(i64 512, ptr %2) #9
  br label %158

158:                                              ; preds = %157
  %159 = load ptr, ptr %4, align 8
  %160 = load i32, ptr %5, align 4
  %161 = insertvalue { ptr, i32 } poison, ptr %159, 0
  %162 = insertvalue { ptr, i32 } %161, i32 %160, 1
  resume { ptr, i32 } %162
}

; Function Attrs: nounwind
declare ptr @getenv(ptr noundef) #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i32 noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #1 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN16SinglyLinkedListC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #7

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN16SinglyLinkedList11insert_nodeEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 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) #8

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nounwind "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 = { "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 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { 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 #9 = { nounwind }
attributes #10 = { builtin allocsize(0) }
attributes #11 = { builtin 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, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !10, i64 0}
!15 = !{!"_ZTS16SinglyLinkedList", !10, i64 0, !10, i64 8}
!16 = distinct !{!16, !12}


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

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.0 }
%union.anon.0 = type { i32 }
%"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] }
%"class.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [12 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.1 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z24print_singly_linked_listP20SinglyLinkedListNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt14basic_ofstreamIcS4_E(ptr noundef, ptr noundef, ptr noundef nonnull align 8 dereferenceable(248)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z23free_singly_linked_listP20SinglyLinkedListNode(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z10mergeListsP20SinglyLinkedListNodeS0_(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::basic_ofstream", align 8
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %1) #8
  %9 = tail call ptr @getenv(ptr noundef nonnull @.str) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %1, ptr noundef %9, i32 noundef 16)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %10 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %11 unwind label %16

11:                                               ; preds = %0
  %12 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #8
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %12, i32 noundef 10)
          to label %.preheader35 unwind label %16

.preheader35:                                     ; preds = %11
  %14 = load i32, ptr %2, align 4, !tbaa !5
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.lr.ph41, label %._crit_edge42

._crit_edge42:                                    ; preds = %73, %.preheader35
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248) %1)
          to label %86 unwind label %16

16:                                               ; preds = %._crit_edge42, %11, %0
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %87

.lr.ph41:                                         ; preds = %.preheader35, %73
  %.02340 = phi i32 [ %74, %73 ], [ 0, %.preheader35 ]
  %18 = invoke noalias noundef nonnull dereferenceable(16) ptr @_Znwm(i64 noundef 16) #9
          to label %19 unwind label %27

19:                                               ; preds = %.lr.ph41
  call void @_ZN16SinglyLinkedListC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %18)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #8
  %20 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %21 unwind label %29

21:                                               ; preds = %19
  %22 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #8
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %22, i32 noundef 10)
          to label %.preheader34 unwind label %29

.preheader34:                                     ; preds = %21
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = icmp sgt i32 %24, 0
  br i1 %25, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %37, %.preheader34
  %26 = invoke noalias noundef nonnull dereferenceable(16) ptr @_Znwm(i64 noundef 16) #9
          to label %43 unwind label %53

27:                                               ; preds = %.lr.ph41
  %28 = landingpad { ptr, i32 }
          cleanup
  br label %87

29:                                               ; preds = %21, %19
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %85

.lr.ph:                                           ; preds = %.preheader34, %37
  %.01536 = phi i32 [ %38, %37 ], [ 0, %.preheader34 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #8
  %31 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %32 unwind label %41

32:                                               ; preds = %.lr.ph
  %33 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #8
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %33, i32 noundef 10)
          to label %35 unwind label %41

35:                                               ; preds = %32
  %36 = load i32, ptr %4, align 4, !tbaa !5
  invoke void @_ZN16SinglyLinkedList11insert_nodeEi(ptr noundef nonnull align 8 dereferenceable(16) %18, i32 noundef %36)
          to label %37 unwind label %41

37:                                               ; preds = %35
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  %38 = add nuw nsw i32 %.01536, 1
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %.lr.ph, label %._crit_edge, !llvm.loop !9

41:                                               ; preds = %35, %32, %.lr.ph
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #8
  br label %85

43:                                               ; preds = %._crit_edge
  call void @_ZN16SinglyLinkedListC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %26)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #8
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %45 unwind label %55

45:                                               ; preds = %43
  %46 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #8
  %47 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %46, i32 noundef 10)
          to label %.preheader unwind label %55

.preheader:                                       ; preds = %45
  %48 = load i32, ptr %5, align 4, !tbaa !5
  %49 = icmp sgt i32 %48, 0
  br i1 %49, label %.lr.ph38, label %._crit_edge39

._crit_edge39:                                    ; preds = %63, %.preheader
  %50 = load ptr, ptr %18, align 8, !tbaa !11
  %51 = load ptr, ptr %26, align 8, !tbaa !11
  %52 = invoke noundef ptr @_Z10mergeListsP20SinglyLinkedListNodeS0_(ptr noundef %50, ptr noundef %51)
          to label %69 unwind label %77

53:                                               ; preds = %._crit_edge
  %54 = landingpad { ptr, i32 }
          cleanup
  br label %85

55:                                               ; preds = %45, %43
  %56 = landingpad { ptr, i32 }
          cleanup
  br label %84

.lr.ph38:                                         ; preds = %.preheader, %63
  %.037 = phi i32 [ %64, %63 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #8
  %57 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %58 unwind label %67

58:                                               ; preds = %.lr.ph38
  %59 = call noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() #8
  %60 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, i64 noundef %59, i32 noundef 10)
          to label %61 unwind label %67

61:                                               ; preds = %58
  %62 = load i32, ptr %6, align 4, !tbaa !5
  invoke void @_ZN16SinglyLinkedList11insert_nodeEi(ptr noundef nonnull align 8 dereferenceable(16) %26, i32 noundef %62)
          to label %63 unwind label %67

63:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #8
  %64 = add nuw nsw i32 %.037, 1
  %65 = load i32, ptr %5, align 4, !tbaa !5
  %66 = icmp slt i32 %64, %65
  br i1 %66, label %.lr.ph38, label %._crit_edge39, !llvm.loop !14

67:                                               ; preds = %61, %58, %.lr.ph38
  %68 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #8
  br label %84

69:                                               ; preds = %._crit_edge39
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %70 unwind label %79

70:                                               ; preds = %69
  invoke void @_Z24print_singly_linked_listP20SinglyLinkedListNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERSt14basic_ofstreamIcS4_E(ptr noundef %52, ptr noundef nonnull %7, ptr noundef nonnull align 8 dereferenceable(248) %1)
          to label %71 unwind label %81

71:                                               ; preds = %70
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #8
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull @.str.2)
          to label %73 unwind label %77

73:                                               ; preds = %71
  call void @_Z23free_singly_linked_listP20SinglyLinkedListNode(ptr noundef %52)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  %74 = add nuw nsw i32 %.02340, 1
  %75 = load i32, ptr %2, align 4, !tbaa !5
  %76 = icmp slt i32 %74, %75
  br i1 %76, label %.lr.ph41, label %._crit_edge42, !llvm.loop !15

77:                                               ; preds = %71, %._crit_edge39
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %84

79:                                               ; preds = %69
  %80 = landingpad { ptr, i32 }
          cleanup
  br label %83

81:                                               ; preds = %70
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  br label %83

83:                                               ; preds = %81, %79
  %.pn = phi { ptr, i32 } [ %82, %81 ], [ %80, %79 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #8
  br label %84

84:                                               ; preds = %77, %83, %67, %55
  %.pn27 = phi { ptr, i32 } [ %68, %67 ], [ %56, %55 ], [ %78, %77 ], [ %.pn, %83 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  br label %85

85:                                               ; preds = %53, %84, %41, %29
  %.pn30 = phi { ptr, i32 } [ %42, %41 ], [ %30, %29 ], [ %.pn27, %84 ], [ %54, %53 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #8
  br label %87

86:                                               ; preds = %._crit_edge42
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %1) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %1) #8
  ret i32 0

87:                                               ; preds = %27, %85, %16
  %.pn30.pn.pn = phi { ptr, i32 } [ %17, %16 ], [ %.pn30, %85 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %1) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn30.pn.pn
}

; Function Attrs: nofree nounwind memory(read)
declare noundef ptr @getenv(ptr nocapture noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

declare i32 @__gxx_personality_v0(...)

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSi6ignoreEli(ptr noundef nonnull align 8 dereferenceable(16), i64 noundef, i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNSt14numeric_limitsIlE3maxEv() local_unnamed_addr #1 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN16SinglyLinkedListC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN16SinglyLinkedList11insert_nodeEi(ptr noundef nonnull align 8 dereferenceable(16), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 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 #7

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv(ptr noundef nonnull align 8 dereferenceable(248)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nofree nounwind memory(read) "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 = { "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 = { nobuiltin allocsize(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 = { 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 #8 = { nounwind }
attributes #9 = { builtin allocsize(0) }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !13, i64 0}
!12 = !{!"_ZTS16SinglyLinkedList", !13, i64 0, !13, i64 8}
!13 = !{!"any pointer", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


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