; LLVM IR from facebook/redex :: libredex (MethodOverrideGraph)

; 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.UnorderedBag.167 = type { %"class.std::vector.169" }
%"class.std::vector.169" = type { %"struct.std::_Vector_base.170" }
%"struct.std::_Vector_base.170" = type { %"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl" }
%"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl" = type { %"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.anon.174 = type { ptr }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN21method_override_graph22get_overriding_methodsERKNS_5GraphEPK9DexMethodbPK7DexType(ptr dead_on_unwind noalias writable sret(%class.UnorderedBag.167) align 8 %0, ptr noundef nonnull align 8 dereferenceable(5984) %1, ptr noundef %2, i1 noundef zeroext %3, ptr noundef %4) #1 personality ptr @__gxx_personality_v0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  %10 = alloca ptr, align 8
  %11 = alloca i1, align 1
  %12 = alloca %class.anon.174, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  store ptr %0, ptr %6, align 8
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  %15 = zext i1 %3 to i8
  store i8 %15, ptr %9, align 1, !tbaa !9
  store ptr %4, ptr %10, align 8, !tbaa !5
  store i1 false, ptr %11, align 1
  call void @_ZN12UnorderedBagIPK9DexMethodEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %18 = getelementptr inbounds %class.anon.174, ptr %12, i32 0, i32 0
  store ptr %0, ptr %18, align 8, !tbaa !5
  %19 = load i8, ptr %9, align 1, !tbaa !9, !range !11, !noundef !12
  %20 = trunc i8 %19 to i1
  %21 = load ptr, ptr %10, align 8, !tbaa !5
  %22 = invoke noundef zeroext i1 @"_ZN12_GLOBAL__N_127all_overriding_methods_implIZN21method_override_graph22get_overriding_methodsERKNS1_5GraphEPK9DexMethodbPK7DexTypeE3$_0EEbS4_S7_RKT_bSA_"(ptr noundef nonnull align 8 dereferenceable(5984) %16, ptr noundef %17, ptr noundef nonnull align 8 dereferenceable(8) %12, i1 noundef zeroext %20, ptr noundef %21)
          to label %23 unwind label %25

23:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  store i1 true, ptr %11, align 1
  %24 = load i1, ptr %11, align 1
  br i1 %24, label %30, label %29

25:                                               ; preds = %5
  %26 = landingpad { ptr, i32 }
          cleanup
  %27 = extractvalue { ptr, i32 } %26, 0
  store ptr %27, ptr %13, align 8
  %28 = extractvalue { ptr, i32 } %26, 1
  store i32 %28, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @_ZN12UnorderedBagIPK9DexMethodED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %31

29:                                               ; preds = %23
  call void @_ZN12UnorderedBagIPK9DexMethodED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %30

30:                                               ; preds = %29, %23
  ret void

31:                                               ; preds = %25
  %32 = load ptr, ptr %13, align 8
  %33 = load i32, ptr %14, align 4
  %34 = insertvalue { ptr, i32 } poison, ptr %32, 0
  %35 = insertvalue { ptr, i32 } %34, i32 %33, 1
  resume { ptr, i32 } %35
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedBagIPK9DexMethodEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZN12_GLOBAL__N_127all_overriding_methods_implIZN21method_override_graph22get_overriding_methodsERKNS1_5GraphEPK9DexMethodbPK7DexTypeE3$_0EEbS4_S7_RKT_bSA_"(ptr noundef nonnull align 8 dereferenceable(5984), ptr noundef, ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext, ptr noundef) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedBagIPK9DexMethodED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}


; 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.UnorderedBag.167 = type { %"class.std::vector.169" }
%"class.std::vector.169" = type { %"struct.std::_Vector_base.170" }
%"struct.std::_Vector_base.170" = type { %"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl" }
%"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl" = type { %"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<const DexMethod *, std::allocator<const DexMethod *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.anon.174 = type { ptr }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN21method_override_graph22get_overriding_methodsERKNS_5GraphEPK9DexMethodbPK7DexType(ptr dead_on_unwind noalias nonnull writable sret(%class.UnorderedBag.167) align 8 %0, ptr noundef nonnull align 8 dereferenceable(5984) %1, ptr noundef %2, i1 noundef zeroext %3, ptr noundef %4) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %6 = alloca %class.anon.174, align 8
  tail call void @_ZN12UnorderedBagIPK9DexMethodEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  store ptr %0, ptr %6, align 8, !tbaa !5
  %7 = invoke noundef zeroext i1 @"_ZN12_GLOBAL__N_127all_overriding_methods_implIZN21method_override_graph22get_overriding_methodsERKNS1_5GraphEPK9DexMethodbPK7DexTypeE3$_0EEbS4_S7_RKT_bSA_"(ptr noundef nonnull align 8 dereferenceable(5984) %1, ptr noundef %2, ptr noundef nonnull align 8 dereferenceable(8) %6, i1 noundef zeroext %3, ptr noundef %4)
          to label %8 unwind label %9

8:                                                ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  ret void

9:                                                ; preds = %5
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @_ZN12UnorderedBagIPK9DexMethodED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  resume { ptr, i32 } %10
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedBagIPK9DexMethodEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZN12_GLOBAL__N_127all_overriding_methods_implIZN21method_override_graph22get_overriding_methodsERKNS1_5GraphEPK9DexMethodbPK7DexTypeE3$_0EEbS4_S7_RKT_bSA_"(ptr noundef nonnull align 8 dereferenceable(5984), ptr noundef, ptr noundef nonnull align 8 dereferenceable(8), i1 noundef zeroext, ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN12UnorderedBagIPK9DexMethodED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass