; LLVM IR from specinfo-ua/UAPKI :: library/common/pkix (uapki-ns-util)

; 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.std::allocator" = type { i8 }
%struct.OCTET_STRING = type { ptr, i32, %struct.asn_struct_ctx_s }
%struct.asn_struct_ctx_s = type { i16, i16, i32, ptr, i64 }

@.str = external hidden unnamed_addr constant [30 x i8], align 1

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

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

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

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7UapkiNS4Util17bmpStringFromAsn1EPK12OCTET_STRINGRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(32) %1) #3 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store ptr null, ptr %6, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %2
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %16, label %14

14:                                               ; preds = %11
  store i32 2, ptr %5, align 4, !tbaa !9
  %15 = load i32, ptr %5, align 4, !tbaa !9
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 634, i32 noundef %15, ptr noundef null)
  br label %48

16:                                               ; preds = %11
  br label %17

17:                                               ; preds = %16
  br label %18

18:                                               ; preds = %17
  br label %19

19:                                               ; preds = %18
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.OCTET_STRING, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !11
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.OCTET_STRING, ptr %23, i32 0, i32 1
  %25 = load i32, ptr %24, align 8, !tbaa !16
  %26 = sext i32 %25 to i64
  %27 = call i32 @utf16be_to_utf8(ptr noundef %22, i64 noundef %26, ptr noundef %6)
  store i32 %27, ptr %5, align 4, !tbaa !9
  %28 = load i32, ptr %5, align 4, !tbaa !9
  %29 = icmp ne i32 %28, 0
  br i1 %29, label %30, label %32

30:                                               ; preds = %19
  %31 = load i32, ptr %5, align 4, !tbaa !9
  call void @stacktrace_add(ptr noundef @.str, i64 noundef 636, i32 noundef %31)
  br label %48

32:                                               ; preds = %19
  br label %33

33:                                               ; preds = %32
  br label %34

34:                                               ; preds = %33
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  %36 = icmp ne ptr %35, null
  br i1 %36, label %37, label %47

37:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #5
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef %38, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %39 unwind label %43

39:                                               ; preds = %37
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %40, ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #5
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %42) #5
  br label %47

43:                                               ; preds = %37
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %9, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %10, align 4
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %50

47:                                               ; preds = %39, %34
  br label %48

48:                                               ; preds = %47, %30, %14
  %49 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret i32 %49

50:                                               ; preds = %43
  %51 = load ptr, ptr %9, align 8
  %52 = load i32, ptr %10, align 4
  %53 = insertvalue { ptr, i32 } poison, ptr %51, 0
  %54 = insertvalue { ptr, i32 } %53, i32 %52, 1
  resume { ptr, i32 } %54
}

declare i32 @utf16be_to_utf8(ptr noundef, i64 noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTS12OCTET_STRING", !6, i64 0, !10, i64 8, !13, i64 16}
!13 = !{!"_ZTS16asn_struct_ctx_s", !14, i64 0, !14, i64 2, !10, i64 4, !6, i64 8, !15, i64 16}
!14 = !{!"short", !7, i64 0}
!15 = !{!"long", !7, i64 0}
!16 = !{!12, !10, 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.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.std::allocator" = type { i8 }

@.str = external hidden unnamed_addr constant [30 x i8], align 1

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

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

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

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN7UapkiNS4Util17bmpStringFromAsn1EPK12OCTET_STRINGRNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef readonly %0, ptr noundef nonnull align 8 dereferenceable(32) %1) local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  store ptr null, ptr %3, align 8, !tbaa !5
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %6, label %7

6:                                                ; preds = %2
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 634, i32 noundef 2, ptr noundef null)
  br label %22

7:                                                ; preds = %2
  %8 = load ptr, ptr %0, align 8, !tbaa !9
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  %10 = load i32, ptr %9, align 8, !tbaa !15
  %11 = sext i32 %10 to i64
  %12 = call i32 @utf16be_to_utf8(ptr noundef %8, i64 noundef %11, ptr noundef nonnull %3)
  %.not11 = icmp eq i32 %12, 0
  br i1 %.not11, label %14, label %13

13:                                               ; preds = %7
  call void @stacktrace_add(ptr noundef nonnull @.str, i64 noundef 636, i32 noundef %12)
  br label %22

14:                                               ; preds = %7
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  %.not12 = icmp eq ptr %15, null
  br i1 %.not12, label %22, label %16

16:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull %15, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %17 unwind label %20

17:                                               ; preds = %16
  %18 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %1, ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #5
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  call void @free(ptr noundef %19) #5
  br label %22

20:                                               ; preds = %16
  %21 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  resume { ptr, i32 } %21

22:                                               ; preds = %14, %17, %13, %6
  %.0 = phi i32 [ %12, %13 ], [ 0, %17 ], [ 0, %14 ], [ 2, %6 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  ret i32 %.0
}

declare i32 @utf16be_to_utf8(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS12OCTET_STRING", !6, i64 0, !11, i64 8, !12, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS16asn_struct_ctx_s", !13, i64 0, !13, i64 2, !11, i64 4, !6, i64 8, !14, i64 16}
!13 = !{!"short", !7, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{!10, !11, i64 8}


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