; LLVM IR from JoshuaSBrown/QC_Tools :: src/libcatnip (string_support)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_istringstream" = type { %"class.std::basic_istream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"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::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::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_List_impl" }
%"struct.std::__cxx11::_List_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"class.std::istream_iterator" = type <{ ptr, %"class.std::__cxx11::basic_string", i8, [7 x i8] }>
%"class.std::back_insert_iterator" = type { ptr }
%"struct.std::_List_iterator" = type { ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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: mustprogress uwtable
define dso_local void @_ZN6catnip7splitStERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::__cxx11::basic_istringstream", align 8
  %6 = alloca %"class.std::__cxx11::list", align 8
  %7 = alloca %"class.std::istream_iterator", align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::istream_iterator", align 8
  %11 = alloca %"class.std::back_insert_iterator", align 8
  %12 = alloca %"class.std::back_insert_iterator", align 8
  %13 = alloca i1, align 1
  %14 = alloca ptr, align 8
  %15 = alloca %"struct.std::_List_iterator", align 8
  %16 = alloca %"struct.std::_List_iterator", align 8
  %17 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 384, ptr %5) #4
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120) %5, ptr noundef nonnull align 8 dereferenceable(32) %18, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #4
  call void @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  invoke void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2ERSi(ptr noundef nonnull align 8 dereferenceable(41) %7, ptr noundef nonnull align 8 dereferenceable(16) %5)
          to label %19 unwind label %37

19:                                               ; preds = %2
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2Ev(ptr noundef nonnull align 8 dereferenceable(41) %10) #4
  %20 = invoke ptr @_ZSt13back_inserterINSt7__cxx114listINS0_12basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EEEESt20back_insert_iteratorIT_ERSA_(ptr noundef nonnull align 8 dereferenceable(24) %6)
          to label %21 unwind label %41

21:                                               ; preds = %19
  %22 = getelementptr inbounds %"class.std::back_insert_iterator", ptr %11, i32 0, i32 0
  store ptr %20, ptr %22, align 8
  %23 = getelementptr inbounds %"class.std::back_insert_iterator", ptr %11, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8
  %25 = invoke ptr @_ZSt4copyISt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS4_lESt20back_insert_iteratorINS1_4listIS6_SaIS6_EEEEET0_T_SE_SD_(ptr noundef %7, ptr noundef %10, ptr %24)
          to label %26 unwind label %41

26:                                               ; preds = %21
  %27 = getelementptr inbounds %"class.std::back_insert_iterator", ptr %12, i32 0, i32 0
  store ptr %25, ptr %27, align 8
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %10) #4
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %7) #4
  store i1 false, ptr %13, align 1
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  store ptr %6, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %28 = load ptr, ptr %14, align 8, !tbaa !5
  %29 = call ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %28) #4
  %30 = getelementptr inbounds %"struct.std::_List_iterator", ptr %15, i32 0, i32 0
  store ptr %29, ptr %30, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %31 = load ptr, ptr %14, align 8, !tbaa !5
  %32 = call ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %31) #4
  %33 = getelementptr inbounds %"struct.std::_List_iterator", ptr %16, i32 0, i32 0
  store ptr %32, ptr %33, align 8
  br label %34

34:                                               ; preds = %60, %26
  %35 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  br i1 %35, label %45, label %36

36:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  br label %63

37:                                               ; preds = %2
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %8, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %9, align 4
  br label %67

41:                                               ; preds = %21, %19
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %8, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %9, align 4
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %10) #4
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %7) #4
  br label %67

45:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #4
  %46 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef nonnull align 8 dereferenceable(32) %46)
          to label %47 unwind label %51

47:                                               ; preds = %45
  %48 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  br i1 %48, label %59, label %49

49:                                               ; preds = %47
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %17)
          to label %50 unwind label %55

50:                                               ; preds = %49
  br label %59

51:                                               ; preds = %45
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %8, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %9, align 4
  br label %62

55:                                               ; preds = %49
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %8, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  br label %62

59:                                               ; preds = %50, %47
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  br label %60

60:                                               ; preds = %59
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #4
  br label %34

62:                                               ; preds = %55, %51
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %67

63:                                               ; preds = %36
  store i1 true, ptr %13, align 1
  %64 = load i1, ptr %13, align 1
  br i1 %64, label %66, label %65

65:                                               ; preds = %63
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %66

66:                                               ; preds = %65, %63
  call void @_ZNSt7__cxx1110_List_baseINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %5) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr %5) #4
  ret void

67:                                               ; preds = %62, %41, %37
  call void @_ZNSt7__cxx1110_List_baseINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %5) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr %5) #4
  br label %68

68:                                               ; preds = %67
  %69 = load ptr, ptr %8, align 8
  %70 = load i32, ptr %9, align 4
  %71 = insertvalue { ptr, i32 } poison, ptr %69, 0
  %72 = insertvalue { ptr, i32 } %71, i32 %70, 1
  resume { ptr, i32 } %72
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt4copyISt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS4_lESt20back_insert_iteratorINS1_4listIS6_SaIS6_EEEEET0_T_SE_SD_(ptr noundef, ptr noundef, ptr) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2ERSi(ptr noundef nonnull align 8 dereferenceable(41), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2Ev(ptr noundef nonnull align 8 dereferenceable(41)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt13back_inserterINSt7__cxx114listINS0_12basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EEEESt20back_insert_iteratorIT_ERSA_(ptr noundef nonnull align 8 dereferenceable(24)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 #4 = { 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::basic_istringstream" = type { %"class.std::basic_istream.base", %"class.std::__cxx11::basic_stringbuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::__cxx11::basic_stringbuf" = type { %"class.std::basic_streambuf", i32, %"class.std::__cxx11::basic_string" }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%"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::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::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_List_impl" }
%"struct.std::__cxx11::_List_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"class.std::istream_iterator" = type <{ ptr, %"class.std::__cxx11::basic_string", i8, [7 x i8] }>
%"struct.std::_List_iterator" = type { ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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: mustprogress uwtable
define dso_local void @_ZN6catnip7splitStERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_istringstream", align 8
  %4 = alloca %"class.std::__cxx11::list", align 8
  %5 = alloca %"class.std::istream_iterator", align 8
  %6 = alloca %"class.std::istream_iterator", align 8
  %7 = alloca %"struct.std::_List_iterator", align 8
  %8 = alloca %"struct.std::_List_iterator", align 8
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  call void @llvm.lifetime.start.p0(i64 384, ptr nonnull %3) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120) %3, ptr noundef nonnull align 8 dereferenceable(32) %1, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  call void @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  invoke void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2ERSi(ptr noundef nonnull align 8 dereferenceable(41) %5, ptr noundef nonnull align 8 dereferenceable(16) %3)
          to label %10 unwind label %18

10:                                               ; preds = %2
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2Ev(ptr noundef nonnull align 8 dereferenceable(41) %6) #4
  %11 = invoke ptr @_ZSt13back_inserterINSt7__cxx114listINS0_12basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EEEESt20back_insert_iteratorIT_ERSA_(ptr noundef nonnull align 8 dereferenceable(24) %4)
          to label %12 unwind label %20

12:                                               ; preds = %10
  %13 = invoke ptr @_ZSt4copyISt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS4_lESt20back_insert_iteratorINS1_4listIS6_SaIS6_EEEEET0_T_SE_SD_(ptr noundef nonnull %5, ptr noundef nonnull %6, ptr %11)
          to label %14 unwind label %20

14:                                               ; preds = %12
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %6) #4
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %5) #4
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %15 = call ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %15, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %16 = call ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %16, ptr %8, align 8
  %17 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %30, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @_ZNSt7__cxx1110_List_baseINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %3) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr nonnull %3) #4
  ret void

18:                                               ; preds = %2
  %19 = landingpad { ptr, i32 }
          cleanup
  br label %34

20:                                               ; preds = %12, %10
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %6) #4
  call void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41) %5) #4
  br label %34

.lr.ph:                                           ; preds = %14, %30
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %9) #4
  %22 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef nonnull align 8 dereferenceable(32) %22)
          to label %23 unwind label %26

23:                                               ; preds = %.lr.ph
  %24 = call noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  br i1 %24, label %30, label %25

25:                                               ; preds = %23
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %30 unwind label %28

26:                                               ; preds = %.lr.ph
  %27 = landingpad { ptr, i32 }
          cleanup
  br label %33

28:                                               ; preds = %25
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  br label %33

30:                                               ; preds = %25, %23
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %32 = call noundef zeroext i1 @_ZStneRKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %32, label %.lr.ph, label %._crit_edge

33:                                               ; preds = %28, %26
  %.pn = phi { ptr, i32 } [ %29, %28 ], [ %27, %26 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %34

34:                                               ; preds = %33, %20, %18
  %.pn.pn = phi { ptr, i32 } [ %.pn, %33 ], [ %21, %20 ], [ %19, %18 ]
  call void @_ZNSt7__cxx1110_List_baseINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  call void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120) %3) #4
  call void @llvm.lifetime.end.p0(i64 384, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEEC1ERKNS_12basic_stringIcS2_S3_EESt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(120), ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt4copyISt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS4_lESt20back_insert_iteratorINS1_4listIS6_SaIS6_EEEEET0_T_SE_SD_(ptr noundef, ptr noundef, ptr) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2ERSi(ptr noundef nonnull align 8 dereferenceable(41), ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lEC2Ev(ptr noundef nonnull align 8 dereferenceable(41)) unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt13back_inserterINSt7__cxx114listINS0_12basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EEEESt20back_insert_iteratorIT_ERSA_(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt16istream_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcS3_lED2Ev(ptr noundef nonnull align 8 dereferenceable(41)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEES8_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef zeroext i1 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt14_List_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx1110_List_baseINS_12basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1119basic_istringstreamIcSt11char_traitsIcESaIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(120)) unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 #4 = { 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)"}


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