; LLVM IR from PetarV-/Algorithms :: Data Structures (Trie)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%struct.TrieNode = type { i8, %"class.std::unordered_map" }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) #1 align 2

declare i32 @__gxx_personality_v0(...)

; 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z4findP8TrieNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr noundef %0, ptr noundef %1, i32 noundef %2) #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca i1, align 1
  %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
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  %11 = load i32, ptr %7, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #2
  %14 = icmp eq i64 %12, %13
  br i1 %14, label %15, label %20

15:                                               ; preds = %3
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.TrieNode, ptr %16, i32 0, i32 0
  %18 = load i8, ptr %17, align 8, !tbaa !11, !range !20, !noundef !21
  %19 = trunc i8 %18 to i1
  store i1 %19, ptr %4, align 1
  br label %46

20:                                               ; preds = %3
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.TrieNode, ptr %21, i32 0, i32 1
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %24)
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %22, ptr noundef nonnull align 1 dereferenceable(1) %25)
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = icmp eq ptr %27, null
  br i1 %28, label %29, label %30

29:                                               ; preds = %20
  store i1 false, ptr %4, align 1
  br label %46

30:                                               ; preds = %20
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.TrieNode, ptr %31, i32 0, i32 1
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %34)
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %32, ptr noundef nonnull align 1 dereferenceable(1) %35)
  %37 = load ptr, ptr %36, align 8, !tbaa !5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %38 = load i32, ptr %7, align 4, !tbaa !9
  %39 = add nsw i32 %38, 1
  %40 = invoke noundef zeroext i1 @_Z4findP8TrieNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr noundef %37, ptr noundef %8, i32 noundef %39)
          to label %41 unwind label %42

41:                                               ; preds = %30
  store i1 %40, ptr %4, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #2
  br label %46

42:                                               ; preds = %30
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %9, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #2
  br label %48

46:                                               ; preds = %41, %29, %15
  %47 = load i1, ptr %4, align 1
  ret i1 %47

48:                                               ; preds = %42
  %49 = load ptr, ptr %9, align 8
  %50 = load i32, ptr %10, align 4
  %51 = insertvalue { ptr, i32 } poison, ptr %49, 0
  %52 = insertvalue { ptr, i32 } %51, i32 %50, 1
  resume { ptr, i32 } %52
}

attributes #0 = { 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 #1 = { 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 #2 = { 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, !13, i64 0}
!12 = !{!"_ZTS8TrieNode", !13, i64 0, !14, i64 8}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"_ZTSSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEE", !15, i64 0}
!15 = !{!"_ZTSSt10_HashtableIcSt4pairIKcP8TrieNodeESaIS4_ENSt8__detail10_Select1stESt8equal_toIcESt4hashIcENS6_18_Mod_range_hashingENS6_20_Default_ranged_hashENS6_20_Prime_rehash_policyENS6_17_Hashtable_traitsILb0ELb0ELb1EEEE", !6, i64 0, !16, i64 8, !17, i64 16, !16, i64 24, !18, i64 32, !6, i64 48}
!16 = !{!"long", !7, i64 0}
!17 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !6, i64 0}
!18 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !19, i64 0, !16, i64 8}
!19 = !{!"float", !7, i64 0}
!20 = !{i8 0, i8 2}
!21 = !{}


; 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::__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] }

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; 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 #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z4findP8TrieNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr noundef %0, ptr noundef nonnull %1, i32 noundef %2) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = sext i32 %2 to i64
  %6 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #2
  %7 = icmp eq i64 %6, %5
  br i1 %7, label %8, label %11

8:                                                ; preds = %3
  %9 = load i8, ptr %0, align 8, !tbaa !5, !range !17, !noundef !18
  %10 = trunc nuw i8 %9 to i1
  br label %26

11:                                               ; preds = %3
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %5)
  %14 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %12, ptr noundef nonnull align 1 dereferenceable(1) %13)
  %15 = load ptr, ptr %14, align 8, !tbaa !19
  %16 = icmp eq ptr %15, null
  br i1 %16, label %26, label %17

17:                                               ; preds = %11
  %18 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %5)
  %19 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEEixERS7_(ptr noundef nonnull align 8 dereferenceable(56) %12, ptr noundef nonnull align 1 dereferenceable(1) %18)
  %20 = load ptr, ptr %19, align 8, !tbaa !19
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %21 = add nsw i32 %2, 1
  %22 = invoke noundef zeroext i1 @_Z4findP8TrieNodeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEi(ptr noundef %20, ptr noundef nonnull %4, i32 noundef %21)
          to label %23 unwind label %24

23:                                               ; preds = %17
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #2
  br label %26

24:                                               ; preds = %17
  %25 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #2
  resume { ptr, i32 } %25

26:                                               ; preds = %11, %23, %8
  %.0 = phi i1 [ %10, %8 ], [ %22, %23 ], [ false, %11 ]
  ret i1 %.0
}

attributes #0 = { 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 #1 = { 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 #2 = { 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 = !{!"_ZTS8TrieNode", !7, i64 0, !10, i64 8}
!7 = !{!"bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt13unordered_mapIcP8TrieNodeSt4hashIcESt8equal_toIcESaISt4pairIKcS1_EEE", !11, i64 0}
!11 = !{!"_ZTSSt10_HashtableIcSt4pairIKcP8TrieNodeESaIS4_ENSt8__detail10_Select1stESt8equal_toIcESt4hashIcENS6_18_Mod_range_hashingENS6_20_Default_ranged_hashENS6_20_Prime_rehash_policyENS6_17_Hashtable_traitsILb0ELb0ELb1EEEE", !12, i64 0, !13, i64 8, !14, i64 16, !13, i64 24, !15, i64 32, !12, i64 48}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"long", !8, i64 0}
!14 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !12, i64 0}
!15 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !16, i64 0, !13, i64 8}
!16 = !{!"float", !8, i64 0}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = !{!12, !12, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass