; LLVM IR from yanglr/leetcode-ac :: cpp-leetcode (leetcode49-group-anagrams_solution1)

; 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.Solution = type { i8 }
%"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::initializer_list" = 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] }
%"class.std::allocator.0" = type { i8 }
%"class.std::allocator" = type { i8 }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %class.Solution, align 1
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::initializer_list", align 8
  %5 = alloca [6 x %"class.std::__cxx11::basic_string"], align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::allocator.0", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::allocator.0", align 1
  %11 = alloca %"class.std::allocator.0", align 1
  %12 = alloca %"class.std::allocator.0", align 1
  %13 = alloca %"class.std::allocator.0", align 1
  %14 = alloca %"class.std::allocator.0", align 1
  %15 = alloca i1, align 1
  %16 = alloca %"class.std::allocator", align 1
  %17 = alloca %"class.std::vector.3", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 192, ptr %5) #4
  store i1 true, ptr %15, align 1
  store ptr %5, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %18 unwind label %45

18:                                               ; preds = %0
  %19 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %5, i64 1
  store ptr %19, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %20 unwind label %49

20:                                               ; preds = %18
  %21 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %5, i64 2
  store ptr %21, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %21, ptr noundef @.str.2, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %22 unwind label %53

22:                                               ; preds = %20
  %23 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %5, i64 3
  store ptr %23, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %23, ptr noundef @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %24 unwind label %57

24:                                               ; preds = %22
  %25 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %5, i64 4
  store ptr %25, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %25, ptr noundef @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %26 unwind label %61

26:                                               ; preds = %24
  %27 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %5, i64 5
  store ptr %27, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %27, ptr noundef @.str.5, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %28 unwind label %65

28:                                               ; preds = %26
  store i1 false, ptr %15, align 1
  %29 = getelementptr inbounds %"class.std::initializer_list", ptr %4, i32 0, i32 0
  store ptr %5, ptr %29, align 8, !tbaa !5
  %30 = getelementptr inbounds %"class.std::initializer_list", ptr %4, i32 0, i32 1
  store i64 6, ptr %30, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #4
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  %31 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 0
  %32 = load ptr, ptr %31, align 8
  %33 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 1
  %34 = load i64, ptr %33, align 8
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr %32, i64 %34, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %35 unwind label %69

35:                                               ; preds = %28
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  %36 = getelementptr inbounds [6 x %"class.std::__cxx11::basic_string"], ptr %5, i32 0, i32 0
  %37 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %36, i64 6
  br label %38

38:                                               ; preds = %38, %35
  %39 = phi ptr [ %37, %35 ], [ %40, %38 ]
  %40 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %39, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %40) #4
  %41 = icmp eq ptr %40, %36
  br i1 %41, label %42, label %38

42:                                               ; preds = %38
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 192, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %17) #4
  invoke void @_ZN8Solution13groupAnagramsERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EE(ptr dead_on_unwind writable sret(%"class.std::vector.3") align 8 %17, ptr noundef nonnull align 1 dereferenceable(1) %2, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %43 unwind label %96

43:                                               ; preds = %42
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIS_INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #4
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %2) #4
  %44 = load i32, ptr %1, align 4
  ret i32 %44

45:                                               ; preds = %0
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %8, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %9, align 4
  br label %85

49:                                               ; preds = %18
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %8, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %9, align 4
  br label %84

53:                                               ; preds = %20
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %8, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %9, align 4
  br label %83

57:                                               ; preds = %22
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %8, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %9, align 4
  br label %82

61:                                               ; preds = %24
  %62 = landingpad { ptr, i32 }
          cleanup
  %63 = extractvalue { ptr, i32 } %62, 0
  store ptr %63, ptr %8, align 8
  %64 = extractvalue { ptr, i32 } %62, 1
  store i32 %64, ptr %9, align 4
  br label %81

65:                                               ; preds = %26
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %8, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %9, align 4
  br label %80

69:                                               ; preds = %28
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %8, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %9, align 4
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #4
  %73 = getelementptr inbounds [6 x %"class.std::__cxx11::basic_string"], ptr %5, i32 0, i32 0
  %74 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %73, i64 6
  br label %75

75:                                               ; preds = %75, %69
  %76 = phi ptr [ %74, %69 ], [ %77, %75 ]
  %77 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %76, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %77) #4
  %78 = icmp eq ptr %77, %73
  br i1 %78, label %79, label %75

79:                                               ; preds = %75
  br label %80

80:                                               ; preds = %79, %65
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #4
  br label %81

81:                                               ; preds = %80, %61
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #4
  br label %82

82:                                               ; preds = %81, %57
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #4
  br label %83

83:                                               ; preds = %82, %53
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #4
  br label %84

84:                                               ; preds = %83, %49
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  br label %85

85:                                               ; preds = %84, %45
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  %86 = load i1, ptr %15, align 1
  br i1 %86, label %87, label %95

87:                                               ; preds = %85
  %88 = load ptr, ptr %6, align 8
  %89 = icmp eq ptr %5, %88
  br i1 %89, label %94, label %90

90:                                               ; preds = %90, %87
  %91 = phi ptr [ %88, %87 ], [ %92, %90 ]
  %92 = getelementptr inbounds %"class.std::__cxx11::basic_string", ptr %91, i64 -1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %92) #4
  %93 = icmp eq ptr %92, %5
  br i1 %93, label %94, label %90

94:                                               ; preds = %90, %87
  br label %95

95:                                               ; preds = %94, %85
  call void @llvm.lifetime.end.p0(i64 192, ptr %5) #4
  br label %100

96:                                               ; preds = %42
  %97 = landingpad { ptr, i32 }
          cleanup
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %8, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 24, ptr %17) #4
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  br label %100

100:                                              ; preds = %96, %95
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %2) #4
  br label %101

101:                                              ; preds = %100
  %102 = load ptr, ptr %8, align 8
  %103 = load i32, ptr %9, align 4
  %104 = insertvalue { ptr, i32 } poison, ptr %102, 0
  %105 = insertvalue { ptr, i32 } %104, i32 %103, 1
  resume { ptr, i32 } %105
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution13groupAnagramsERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector.3") align 8, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 #2 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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, !7, i64 0}
!6 = !{!"_ZTSSt16initializer_listINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !10, i64 8}


; 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.Solution = type { i8 }
%"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_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.0" = type { i8 }
%"class.std::allocator" = type { i8 }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::__cxx11::basic_string<char>>, std::allocator<std::vector<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.Solution, align 1
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca [6 x %"class.std::__cxx11::basic_string"], align 8
  %4 = alloca %"class.std::allocator.0", align 1
  %5 = alloca %"class.std::allocator.0", align 1
  %6 = alloca %"class.std::allocator.0", align 1
  %7 = alloca %"class.std::allocator.0", align 1
  %8 = alloca %"class.std::allocator.0", align 1
  %9 = alloca %"class.std::allocator.0", align 1
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca %"class.std::vector.3", align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 192, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %12 unwind label %.thread

12:                                               ; preds = %0
  %13 = getelementptr inbounds i8, ptr %3, i64 32
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %13, ptr noundef nonnull @.str.1, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %14 unwind label %31

14:                                               ; preds = %12
  %15 = getelementptr inbounds i8, ptr %3, i64 64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef nonnull @.str.2, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %16 unwind label %33

16:                                               ; preds = %14
  %17 = getelementptr inbounds i8, ptr %3, i64 96
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %17, ptr noundef nonnull @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %18 unwind label %35

18:                                               ; preds = %16
  %19 = getelementptr inbounds i8, ptr %3, i64 128
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef nonnull @.str.4, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %20 unwind label %37

20:                                               ; preds = %18
  %21 = getelementptr inbounds i8, ptr %3, i64 160
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #4
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %21, ptr noundef nonnull @.str.5, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %22 unwind label %39

22:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #4
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr nonnull %3, i64 6, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %23 unwind label %.loopexit37.loopexit

23:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #4
  %24 = getelementptr inbounds i8, ptr %3, i64 160
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %24) #4
  %25 = getelementptr inbounds i8, ptr %3, i64 128
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %25) #4
  %26 = getelementptr inbounds i8, ptr %3, i64 96
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %26) #4
  %27 = getelementptr inbounds i8, ptr %3, i64 64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %27) #4
  %28 = getelementptr inbounds i8, ptr %3, i64 32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %28) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 192, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %11) #4
  invoke void @_ZN8Solution13groupAnagramsERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector.3") align 8 %11, ptr noundef nonnull align 1 dereferenceable(1) %1, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %29 unwind label %56

29:                                               ; preds = %23
  call void @_ZNSt6vectorIS_INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #4
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %1) #4
  ret i32 0

.thread:                                          ; preds = %0
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  br label %.loopexit

31:                                               ; preds = %12
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %51

33:                                               ; preds = %14
  %34 = landingpad { ptr, i32 }
          cleanup
  br label %50

35:                                               ; preds = %16
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %49

37:                                               ; preds = %18
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %48

39:                                               ; preds = %20
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit37

.loopexit37.loopexit:                             ; preds = %22
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #4
  %42 = getelementptr inbounds i8, ptr %3, i64 160
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %42) #4
  %43 = getelementptr inbounds i8, ptr %3, i64 128
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %43) #4
  %44 = getelementptr inbounds i8, ptr %3, i64 96
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %44) #4
  %45 = getelementptr inbounds i8, ptr %3, i64 64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %45) #4
  %46 = getelementptr inbounds i8, ptr %3, i64 32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %46) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  br label %.loopexit37

.loopexit37:                                      ; preds = %.loopexit37.loopexit, %39
  %.pn = phi { ptr, i32 } [ %40, %39 ], [ %41, %.loopexit37.loopexit ]
  %47 = phi i1 [ false, %39 ], [ true, %.loopexit37.loopexit ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #4
  br label %48

48:                                               ; preds = %.loopexit37, %37
  %.018 = phi ptr [ %21, %.loopexit37 ], [ %19, %37 ]
  %.pn.pn = phi { ptr, i32 } [ %.pn, %.loopexit37 ], [ %38, %37 ]
  %.1 = phi i1 [ %47, %.loopexit37 ], [ false, %37 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  br label %49

49:                                               ; preds = %48, %35
  %.119 = phi ptr [ %.018, %48 ], [ %17, %35 ]
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %48 ], [ %36, %35 ]
  %.2 = phi i1 [ %.1, %48 ], [ false, %35 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  br label %50

50:                                               ; preds = %49, %33
  %.220 = phi ptr [ %.119, %49 ], [ %15, %33 ]
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %49 ], [ %34, %33 ]
  %.3 = phi i1 [ %.2, %49 ], [ false, %33 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  br label %51

51:                                               ; preds = %31, %50
  %.321 = phi ptr [ %.220, %50 ], [ %13, %31 ]
  %.pn.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn.pn, %50 ], [ %32, %31 ]
  %.4 = phi i1 [ %.3, %50 ], [ false, %31 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #4
  %52 = icmp eq ptr %3, %.321
  %or.cond = select i1 %.4, i1 true, i1 %52
  br i1 %or.cond, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %51, %.preheader
  %53 = phi ptr [ %54, %.preheader ], [ %.321, %51 ]
  %54 = getelementptr inbounds i8, ptr %53, i64 -32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %54) #4
  %55 = icmp eq ptr %54, %3
  br i1 %55, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %.thread, %51
  %.pn.pn.pn.pn.pn.pn36 = phi { ptr, i32 } [ %30, %.thread ], [ %.pn.pn.pn.pn.pn, %51 ], [ %.pn.pn.pn.pn.pn, %.preheader ]
  call void @llvm.lifetime.end.p0(i64 192, ptr nonnull %3) #4
  br label %58

56:                                               ; preds = %23
  %57 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #4
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  br label %58

58:                                               ; preds = %56, %.loopexit
  %.pn30 = phi { ptr, i32 } [ %57, %56 ], [ %.pn.pn.pn.pn.pn.pn36, %.loopexit ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %1) #4
  resume { ptr, i32 } %.pn30
}

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

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2ESt16initializer_listIS5_ERKS6_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution13groupAnagramsERSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS6_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector.3") align 8, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_INSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EESaIS7_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 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 #2 align 2

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