; LLVM IR from TheAlgorithms/C-Plus-Plus :: operations_on_datastructures (trie_multiple_search)

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

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__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.operations_on_datastructures::trie_operations::Tnode" = type { %"class.std::vector", i8, i32 }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<operations_on_datastructures::trie_operations::Tnode *, std::allocator<operations_on_datastructures::trie_operations::Tnode *>>::_Vector_impl" }
%"struct.std::_Vector_base<operations_on_datastructures::trie_operations::Tnode *, std::allocator<operations_on_datastructures::trie_operations::Tnode *>>::_Vector_impl" = type { %"struct.std::_Vector_base<operations_on_datastructures::trie_operations::Tnode *, std::allocator<operations_on_datastructures::trie_operations::Tnode *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<operations_on_datastructures::trie_operations::Tnode *, std::allocator<operations_on_datastructures::trie_operations::Tnode *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

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
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN28operations_on_datastructures15trie_operations5Tnode19SuggestAutocompleteEPS1_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2) #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %64, %3
  %14 = load i32, ptr %7, align 4, !tbaa !9
  %15 = icmp slt i32 %14, 26
  br i1 %15, label %16, label %67

16:                                               ; preds = %13
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = getelementptr inbounds %"class.operations_on_datastructures::trie_operations::Tnode", ptr %17, i32 0, i32 0
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = sext i32 %19 to i64
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %20) #4
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %24, label %63

24:                                               ; preds = %16
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %"class.operations_on_datastructures::trie_operations::Tnode", ptr %25, i32 0, i32 0
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef %28) #4
  %30 = load ptr, ptr %29, align 8, !tbaa !5
  %31 = getelementptr inbounds %"class.operations_on_datastructures::trie_operations::Tnode", ptr %30, i32 0, i32 1
  %32 = load i8, ptr %31, align 8, !tbaa !11, !range !18, !noundef !19
  %33 = trunc i8 %32 to i1
  br i1 %33, label %34, label %47

34:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #4
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = load i32, ptr %7, align 4, !tbaa !9
  %37 = add nsw i32 %36, 97
  %38 = trunc i32 %37 to i8
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %35, i8 noundef signext %38)
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %40 unwind label %43

40:                                               ; preds = %34
  %41 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %42 unwind label %43

42:                                               ; preds = %40
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  br label %47

43:                                               ; preds = %40, %34
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %9, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #4
  br label %68

47:                                               ; preds = %42, %24
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = getelementptr inbounds %"class.operations_on_datastructures::trie_operations::Tnode", ptr %48, i32 0, i32 0
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %49, i64 noundef %51) #4
  %53 = load ptr, ptr %52, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #4
  %54 = load ptr, ptr %6, align 8, !tbaa !5
  %55 = load i32, ptr %7, align 4, !tbaa !9
  %56 = add nsw i32 %55, 97
  %57 = trunc i32 %56 to i8
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %54, i8 noundef signext %57)
  invoke void @_ZN28operations_on_datastructures15trie_operations5Tnode19SuggestAutocompleteEPS1_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %12, ptr noundef %53, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %58 unwind label %59

58:                                               ; preds = %47
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  br label %63

59:                                               ; preds = %47
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %9, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #4
  br label %68

63:                                               ; preds = %58, %16
  br label %64

64:                                               ; preds = %63
  %65 = load i32, ptr %7, align 4, !tbaa !9
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %7, align 4, !tbaa !9
  br label %13, !llvm.loop !20

67:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret void

68:                                               ; preds = %59, %43
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %69

69:                                               ; preds = %68
  %70 = load ptr, ptr %9, align 8
  %71 = load i32, ptr %10, align 4
  %72 = insertvalue { ptr, i32 } poison, ptr %70, 0
  %73 = insertvalue { ptr, i32 } %72, i32 %71, 1
  resume { ptr, i32 } %73
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) #3

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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !17, i64 24}
!12 = !{!"_ZTSN28operations_on_datastructures15trie_operations5TnodeE", !13, i64 0, !17, i64 24, !10, i64 28}
!13 = !{!"_ZTSSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"bool", !7, i64 0}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = distinct !{!20, !21}
!21 = !{!"llvm.loop.mustprogress"}


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

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::__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] }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

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
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN28operations_on_datastructures15trie_operations5Tnode19SuggestAutocompleteEPS1_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr nocapture noundef nonnull readnone align 8 dereferenceable(32) %0, ptr noundef %1, ptr noundef nonnull align 8 dereferenceable(32) %2) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  br label %6

6:                                                ; preds = %3, %30
  %indvars.iv = phi i64 [ 0, %3 ], [ %indvars.iv.next, %30 ]
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  %.not = icmp eq ptr %8, null
  br i1 %.not, label %30, label %9

9:                                                ; preds = %6
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %11, i64 24
  %13 = load i8, ptr %12, align 8, !tbaa !9, !range !17, !noundef !18
  %14 = trunc nuw i8 %13 to i1
  br i1 %14, label %15, label %._crit_edge

._crit_edge:                                      ; preds = %9
  %.pre19 = trunc i64 %indvars.iv to i8
  %.pre21 = add nuw nsw i8 %.pre19, 97
  br label %24

15:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  %16 = trunc i64 %indvars.iv to i8
  %17 = add nuw nsw i8 %16, 97
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %2, i8 noundef signext %17)
  %18 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %19 unwind label %22

19:                                               ; preds = %15
  %20 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %21 unwind label %22

21:                                               ; preds = %19
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  br label %24

22:                                               ; preds = %19, %15
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  br label %32

24:                                               ; preds = %._crit_edge, %21
  %.pre-phi22 = phi i8 [ %.pre21, %._crit_edge ], [ %17, %21 ]
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %26 = load ptr, ptr %25, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  call void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %2, i8 noundef signext %.pre-phi22)
  invoke void @_ZN28operations_on_datastructures15trie_operations5Tnode19SuggestAutocompleteEPS1_RKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef %26, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %27 unwind label %28

27:                                               ; preds = %24
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %30

28:                                               ; preds = %24
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  br label %32

30:                                               ; preds = %6, %27
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 26
  br i1 %exitcond.not, label %31, label %6, !llvm.loop !19

31:                                               ; preds = %30
  ret void

32:                                               ; preds = %28, %22
  %.pn = phi { ptr, i32 } [ %29, %28 ], [ %23, %22 ]
  resume { ptr, i32 } %.pn
}

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZStplIcSt11char_traitsIcESaIcEENSt7__cxx1112basic_stringIT_T0_T1_EERKS8_S5_(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i8 noundef signext) local_unnamed_addr #3

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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !15, i64 24}
!10 = !{!"_ZTSN28operations_on_datastructures15trie_operations5TnodeE", !11, i64 0, !15, i64 24, !16, i64 28}
!11 = !{!"_ZTSSt6vectorIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIPN28operations_on_datastructures15trie_operations5TnodeESaIS3_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!"bool", !7, i64 0}
!16 = !{!"int", !7, i64 0}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass