; LLVM IR from facebook/redex :: libredex/ClassHierarchy.ll (Z29build_internal_type_hierarchyRKSt6vectorIP8DexClassSaIS1_EE)

; 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.UnorderedMap = type { %"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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z29build_internal_type_hierarchyRKSt6vectorIP8DexClassSaIS1_EE(ptr dead_on_unwind noalias writable sret(%class.UnorderedMap) align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  store i1 false, ptr %5, align 1
  call void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %13, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = call ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #4
  %16 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %15, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #4
  %19 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %18, ptr %19, align 8
  br label %20

20:                                               ; preds = %41, %2
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP8DexClassSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br i1 %21, label %23, label %22

22:                                               ; preds = %20
  store i32 2, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %43

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  store ptr %24, ptr %10, align 8, !tbaa !5
  %25 = load ptr, ptr %10, align 8, !tbaa !5
  %26 = load ptr, ptr %25, align 8, !tbaa !5
  %27 = invoke noundef zeroext i1 @_Z12is_interfaceI8DexClassEbPT_(ptr noundef %26)
          to label %28 unwind label %30

28:                                               ; preds = %23
  br i1 %27, label %29, label %34

29:                                               ; preds = %28
  store i32 3, ptr %9, align 4
  br label %38

30:                                               ; preds = %34, %23
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %11, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  br label %47

34:                                               ; preds = %28
  %35 = load ptr, ptr %10, align 8, !tbaa !5
  %36 = load ptr, ptr %35, align 8, !tbaa !5
  invoke void @_ZN12_GLOBAL__N_121build_class_hierarchyER12UnorderedMapIPK7DexTypeSt3setIS3_19dextypes_comparatorSaIS3_EESt4hashIS3_ESt8equal_toIS3_EEPK8DexClass(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef %36)
          to label %37 unwind label %30

37:                                               ; preds = %34
  store i32 0, ptr %9, align 4
  br label %38

38:                                               ; preds = %37, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %39 = load i32, ptr %9, align 4
  switch i32 %39, label %52 [
    i32 0, label %40
    i32 3, label %41
  ]

40:                                               ; preds = %38
  br label %41

41:                                               ; preds = %40, %38
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br label %20

43:                                               ; preds = %22
  store i1 true, ptr %5, align 1
  store i32 1, ptr %9, align 4
  %44 = load i1, ptr %5, align 1
  br i1 %44, label %46, label %45

45:                                               ; preds = %43
  call void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  br label %46

46:                                               ; preds = %45, %43
  ret void

47:                                               ; preds = %30
  %48 = load ptr, ptr %11, align 8
  %49 = load i32, ptr %12, align 4
  %50 = insertvalue { ptr, i32 } poison, ptr %48, 0
  %51 = insertvalue { ptr, i32 } %50, i32 %49, 1
  resume { ptr, i32 } %51

52:                                               ; preds = %38
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKP8DexClassSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z12is_interfaceI8DexClassEbPT_(ptr noundef) #1

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_121build_class_hierarchyER12UnorderedMapIPK7DexTypeSt3setIS3_19dextypes_comparatorSaIS3_EESt4hashIS3_ESt8equal_toIS3_EEPK8DexClass(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { inlinehint 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 #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.UnorderedMap = type { %"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 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z29build_internal_type_hierarchyRKSt6vectorIP8DexClassSaIS1_EE(ptr dead_on_unwind noalias nonnull writable sret(%class.UnorderedMap) align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  tail call void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %5 = tail call ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %5, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %6 = tail call ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %6, ptr %4, align 8
  %7 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP8DexClassSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %16, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret void

.lr.ph:                                           ; preds = %2, %16
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = invoke noundef zeroext i1 @_Z12is_interfaceI8DexClassEbPT_(ptr noundef %9)
          to label %11 unwind label %12

11:                                               ; preds = %.lr.ph
  br i1 %10, label %16, label %14

12:                                               ; preds = %14, %.lr.ph
  %13 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) #4
  resume { ptr, i32 } %13

14:                                               ; preds = %11
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  invoke void @_ZN12_GLOBAL__N_121build_class_hierarchyER12UnorderedMapIPK7DexTypeSt3setIS3_19dextypes_comparatorSaIS3_EESt4hashIS3_ESt8equal_toIS3_EEPK8DexClass(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef %15)
          to label %16 unwind label %12

16:                                               ; preds = %14, %11
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %18 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP8DexClassSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %18, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP8DexClassSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKP8DexClassSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_Z12is_interfaceI8DexClassEbPT_(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare hidden void @_ZN12_GLOBAL__N_121build_class_hierarchyER12UnorderedMapIPK7DexTypeSt3setIS3_19dextypes_comparatorSaIS3_EESt4hashIS3_ESt8equal_toIS3_EEPK8DexClass(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP8DexClassSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedMapIPK7DexTypeSt3setIS2_19dextypes_comparatorSaIS2_EESt4hashIS2_ESt8equal_toIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

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


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