; LLVM IR from thepowersgang/mrustc :: src/ast/ast.ll (ZN3AST10Visibility15make_restrictedENS0_2TyENS_12AbsolutePathE)

; 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.AST::Visibility" = type <{ %"class.std::shared_ptr", %"class.std::shared_ptr.114", i32, [4 x i8] }>
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::shared_ptr.114" = type { %"class.std::__shared_ptr.115" }
%"class.std::__shared_ptr.115" = type { ptr, %"class.std::__shared_count" }

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 nounwind uwtable
declare dso_local void @_ZN3AST10VisibilityC2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3AST10Visibility15make_restrictedENS0_2TyENS_12AbsolutePathE(ptr dead_on_unwind noalias writable sret(%"class.AST::Visibility") align 8 %0, i32 noundef %1, ptr noundef %2) #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i1, align 1
  %8 = alloca %"class.std::shared_ptr.114", align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store i32 %1, ptr %5, align 4, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  store i1 false, ptr %7, align 1
  call void @_ZN3AST10VisibilityC2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0)
  %11 = load i32, ptr %5, align 4, !tbaa !5
  %12 = getelementptr inbounds %"class.AST::Visibility", ptr %0, i32 0, i32 2
  store i32 %11, ptr %12, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #5
  invoke void @_ZSt11make_sharedIN3AST12AbsolutePathEJS1_EESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind writable sret(%"class.std::shared_ptr.114") align 8 %8, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %13 unwind label %17

13:                                               ; preds = %3
  %14 = getelementptr inbounds %"class.AST::Visibility", ptr %0, i32 0, i32 1
  %15 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3AST12AbsolutePathEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(16) %8) #5
  call void @_ZNSt12__shared_ptrIN3AST12AbsolutePathELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %8) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #5
  store i1 true, ptr %7, align 1
  %16 = load i1, ptr %7, align 1
  br i1 %16, label %22, label %21

17:                                               ; preds = %3
  %18 = landingpad { ptr, i32 }
          cleanup
  %19 = extractvalue { ptr, i32 } %18, 0
  store ptr %19, ptr %9, align 8
  %20 = extractvalue { ptr, i32 } %18, 1
  store i32 %20, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #5
  call void @_ZN3AST10VisibilityD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #5
  br label %23

21:                                               ; preds = %13
  call void @_ZN3AST10VisibilityD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #5
  br label %22

22:                                               ; preds = %21, %13
  ret void

23:                                               ; preds = %17
  %24 = load ptr, ptr %9, align 8
  %25 = load i32, ptr %10, align 4
  %26 = insertvalue { ptr, i32 } poison, ptr %24, 0
  %27 = insertvalue { ptr, i32 } %26, i32 %25, 1
  resume { ptr, i32 } %27
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt11make_sharedIN3AST12AbsolutePathEJS1_EESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.114") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3AST12AbsolutePathEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3AST10VisibilityD2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN3AST12AbsolutePathELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

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 = { 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 #5 = { 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 = !{!"_ZTSN3AST10Visibility2TyE", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 32}
!12 = !{!"_ZTSN3AST10VisibilityE", !13, i64 0, !16, i64 16, !6, i64 32}
!13 = !{!"_ZTSSt10shared_ptrIN3AST4PathEE", !14, i64 0}
!14 = !{!"_ZTSSt12__shared_ptrIN3AST4PathELN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0, !15, i64 8}
!15 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0}
!16 = !{!"_ZTSSt10shared_ptrIN3AST12AbsolutePathEE", !17, i64 0}
!17 = !{!"_ZTSSt12__shared_ptrIN3AST12AbsolutePathELN9__gnu_cxx12_Lock_policyE2EE", !10, i64 0, !15, i64 8}


; 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.AST::Visibility" = type <{ %"class.std::shared_ptr", %"class.std::shared_ptr.114", i32, [4 x i8] }>
%"class.std::shared_ptr" = type { %"class.std::__shared_ptr" }
%"class.std::__shared_ptr" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%"class.std::shared_ptr.114" = type { %"class.std::__shared_ptr.115" }
%"class.std::__shared_ptr.115" = type { ptr, %"class.std::__shared_count" }

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 nounwind uwtable
declare dso_local void @_ZN3AST10VisibilityC2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3AST10Visibility15make_restrictedENS0_2TyENS_12AbsolutePathE(ptr dead_on_unwind noalias nonnull writable sret(%"class.AST::Visibility") align 8 %0, i32 noundef %1, ptr noundef %2) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::shared_ptr.114", align 8
  tail call void @_ZN3AST10VisibilityC2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0)
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  store i32 %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #5
  invoke void @_ZSt11make_sharedIN3AST12AbsolutePathEJS1_EESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind nonnull writable sret(%"class.std::shared_ptr.114") align 8 %4, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %6 unwind label %9

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3AST12AbsolutePathEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16) %7, ptr noundef nonnull align 8 dereferenceable(16) %4) #5
  call void @_ZNSt12__shared_ptrIN3AST12AbsolutePathELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #5
  ret void

9:                                                ; preds = %3
  %10 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #5
  call void @_ZN3AST10VisibilityD2Ev(ptr noundef nonnull align 8 dereferenceable(36) %0) #5
  resume { ptr, i32 } %10
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt11make_sharedIN3AST12AbsolutePathEJS1_EESt10shared_ptrINSt9enable_ifIXntsr8is_arrayIT_EE5valueES4_E4typeEEDpOT0_(ptr dead_on_unwind noalias writable sret(%"class.std::shared_ptr.114") align 8, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt10shared_ptrIN3AST12AbsolutePathEEaSEOS2_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN3AST10VisibilityD2Ev(ptr noundef nonnull align 8 dereferenceable(36)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt12__shared_ptrIN3AST12AbsolutePathELN9__gnu_cxx12_Lock_policyE2EED2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #1 align 2

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 = { 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 #5 = { 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, !15, i64 32}
!6 = !{!"_ZTSN3AST10VisibilityE", !7, i64 0, !13, i64 16, !15, i64 32}
!7 = !{!"_ZTSSt10shared_ptrIN3AST4PathEE", !8, i64 0}
!8 = !{!"_ZTSSt12__shared_ptrIN3AST4PathELN9__gnu_cxx12_Lock_policyE2EE", !9, i64 0, !12, i64 8}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"_ZTSSt14__shared_countILN9__gnu_cxx12_Lock_policyE2EE", !9, i64 0}
!13 = !{!"_ZTSSt10shared_ptrIN3AST12AbsolutePathEE", !14, i64 0}
!14 = !{!"_ZTSSt12__shared_ptrIN3AST12AbsolutePathELN9__gnu_cxx12_Lock_policyE2EE", !9, i64 0, !12, i64 8}
!15 = !{!"_ZTSN3AST10Visibility2TyE", !10, i64 0}


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