; LLVM IR from specinfo-ua/UAPKI :: integration/Node.js/napi (uapki-loader)

; 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] }
%class.UapkiLoader = type { ptr, ptr, ptr }

@.str.3 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11UapkiLoader6unloadEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11UapkiLoader10getLibNameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN11UapkiLoader4loadERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @_ZN11UapkiLoader6unloadEv(ptr noundef nonnull align 8 dereferenceable(24) %9)
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #4
  store i8 0, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZN11UapkiLoader10getLibNameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(32) %10)
  %11 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  %12 = call ptr @dlopen(ptr noundef %11, i32 noundef 2) #4
  %13 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 0
  store ptr %12, ptr %13, align 8, !tbaa !11
  %14 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8, !tbaa !11
  %16 = icmp ne ptr %15, null
  br i1 %16, label %17, label %45

17:                                               ; preds = %2
  %18 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 0
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = call ptr @dlsym(ptr noundef %19, ptr noundef @.str.3) #4
  %21 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 1
  store ptr %20, ptr %21, align 8, !tbaa !13
  %22 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 0
  %23 = load ptr, ptr %22, align 8, !tbaa !11
  %24 = call ptr @dlsym(ptr noundef %23, ptr noundef @.str.4) #4
  %25 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 2
  store ptr %24, ptr %25, align 8, !tbaa !14
  %26 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 1
  %27 = load ptr, ptr %26, align 8, !tbaa !13
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %33

29:                                               ; preds = %17
  %30 = getelementptr inbounds %class.UapkiLoader, ptr %9, i32 0, i32 2
  %31 = load ptr, ptr %30, align 8, !tbaa !14
  %32 = icmp ne ptr %31, null
  br label %33

33:                                               ; preds = %29, %17
  %34 = phi i1 [ false, %17 ], [ %32, %29 ]
  %35 = zext i1 %34 to i8
  store i8 %35, ptr %5, align 1, !tbaa !9
  %36 = load i8, ptr %5, align 1, !tbaa !9, !range !15, !noundef !16
  %37 = trunc i8 %36 to i1
  br i1 %37, label %44, label %38

38:                                               ; preds = %33
  invoke void @_ZN11UapkiLoader6unloadEv(ptr noundef nonnull align 8 dereferenceable(24) %9)
          to label %39 unwind label %40

39:                                               ; preds = %38
  br label %44

40:                                               ; preds = %38
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %7, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %8, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #4
  br label %48

44:                                               ; preds = %39, %33
  br label %45

45:                                               ; preds = %44, %2
  %46 = load i8, ptr %5, align 1, !tbaa !9, !range !15, !noundef !16
  %47 = trunc i8 %46 to i1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #4
  ret i1 %47

48:                                               ; preds = %40
  %49 = load ptr, ptr %7, align 8
  %50 = load i32, ptr %8, align 4
  %51 = insertvalue { ptr, i32 } poison, ptr %49, 0
  %52 = insertvalue { ptr, i32 } %51, i32 %50, 1
  resume { ptr, i32 } %52
}

; Function Attrs: nounwind
declare ptr @dlopen(ptr noundef, i32 noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: nounwind
declare ptr @dlsym(ptr noundef, ptr noundef) #3

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind "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 = !{!12, !6, i64 0}
!12 = !{!"_ZTS11UapkiLoader", !6, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, i64 16}
!15 = !{i8 0, i8 2}
!16 = !{}


; 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] }

@.str.3 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11UapkiLoader6unloadEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11UapkiLoader10getLibNameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN11UapkiLoader4loadERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  tail call void @_ZN11UapkiLoader6unloadEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  call void @_ZN11UapkiLoader10getLibNameERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(32) %1)
  %4 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  %5 = call ptr @dlopen(ptr noundef %4, i32 noundef 2) #4
  store ptr %5, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %15, label %6

6:                                                ; preds = %2
  %7 = call ptr @dlsym(ptr noundef nonnull %5, ptr noundef nonnull @.str.3) #4
  %8 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %7, ptr %8, align 8, !tbaa !10
  %9 = load ptr, ptr %0, align 8, !tbaa !5
  %10 = call ptr @dlsym(ptr noundef %9, ptr noundef nonnull @.str.4) #4
  %11 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %10, ptr %11, align 8, !tbaa !11
  %12 = load ptr, ptr %8, align 8, !tbaa !10
  %.not4 = icmp ne ptr %12, null
  %13 = icmp ne ptr %10, null
  %spec.select = select i1 %.not4, i1 %13, i1 false
  br i1 %spec.select, label %15, label %14

14:                                               ; preds = %6
  call void @_ZN11UapkiLoader6unloadEv(ptr noundef nonnull align 8 dereferenceable(24) %0)
  br label %15

15:                                               ; preds = %6, %14, %2
  %.0.shrunk = phi i1 [ true, %6 ], [ false, %14 ], [ false, %2 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  ret i1 %.0.shrunk
}

; Function Attrs: nounwind
declare ptr @dlopen(ptr noundef, i32 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: nounwind
declare ptr @dlsym(ptr noundef, ptr noundef) local_unnamed_addr #3

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind "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, !7, i64 0}
!6 = !{!"_ZTS11UapkiLoader", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!6, !7, i64 16}


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