; LLVM IR from facebook/redex :: test/unit/ScopeHelper.ll (Z18create_empty_scopev)

; 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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl" }
%"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl" = type { %"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_Z18create_empty_scopev(ptr dead_on_unwind noalias writable sret(%"class.std::vector.5") align 8 %0) #0 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8
  store i1 false, ptr %3, align 1
  call void @_ZNSt6vectorIP8DexClassSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %6 = invoke noundef ptr @_ZN12_GLOBAL__N_123create_java_lang_objectEv()
          to label %7 unwind label %9

7:                                                ; preds = %1
  store i1 true, ptr %3, align 1
  %8 = load i1, ptr %3, align 1
  br i1 %8, label %14, label %13

9:                                                ; preds = %1
  %10 = landingpad { ptr, i32 }
          cleanup
  %11 = extractvalue { ptr, i32 } %10, 0
  store ptr %11, ptr %4, align 8
  %12 = extractvalue { ptr, i32 } %10, 1
  store i32 %12, ptr %5, align 4
  call void @_ZNSt6vectorIP8DexClassSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  br label %15

13:                                               ; preds = %7
  call void @_ZNSt6vectorIP8DexClassSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  br label %14

14:                                               ; preds = %13, %7
  ret void

15:                                               ; preds = %9
  %16 = load ptr, ptr %4, align 8
  %17 = load i32, ptr %5, align 4
  %18 = insertvalue { ptr, i32 } poison, ptr %16, 0
  %19 = insertvalue { ptr, i32 } %18, i32 %17, 1
  resume { ptr, i32 } %19
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8DexClassSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZN12_GLOBAL__N_123create_java_lang_objectEv() #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8DexClassSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { 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)"}


; 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::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl" }
%"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl" = type { %"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<DexClass *, std::allocator<DexClass *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_Z18create_empty_scopev(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector.5") align 8 %0) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  tail call void @_ZNSt6vectorIP8DexClassSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  %2 = invoke noundef ptr @_ZN12_GLOBAL__N_123create_java_lang_objectEv()
          to label %5 unwind label %3

3:                                                ; preds = %1
  %4 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZNSt6vectorIP8DexClassSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #2
  resume { ptr, i32 } %4

5:                                                ; preds = %1
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8DexClassSaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare hidden noundef ptr @_ZN12_GLOBAL__N_123create_java_lang_objectEv() local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8DexClassSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { 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 #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 = { 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,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass