; LLVM IR from specinfo-ua/UAPKI :: library/uapkif/src/asn1 (OCTET_STRING)

; 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"

%struct.asn_OCTET_STRING_specifics_s = type { i32, i32, i32 }
%struct.asn_TYPE_descriptor_s = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, ptr, i32, ptr, ptr, i32, ptr }

@asn_DEF_OCTET_STRING_specs = external hidden constant %struct.asn_OCTET_STRING_specifics_s, align 4

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

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #1

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

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @OCTET_STRING_fromBuf(ptr noundef, ptr noundef, i32 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local ptr @OCTET_STRING_new_fromBuf(ptr noundef %0, ptr noundef %1, i32 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.asn_TYPE_descriptor_s, ptr %9, i32 0, i32 19
  %11 = load ptr, ptr %10, align 8, !tbaa !11
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %17

13:                                               ; preds = %3
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.asn_TYPE_descriptor_s, ptr %14, i32 0, i32 19
  %16 = load ptr, ptr %15, align 8, !tbaa !11
  br label %18

17:                                               ; preds = %3
  br label %18

18:                                               ; preds = %17, %13
  %19 = phi ptr [ %16, %13 ], [ @asn_DEF_OCTET_STRING_specs, %17 ]
  store ptr %19, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.asn_OCTET_STRING_specifics_s, ptr %20, i32 0, i32 0
  %22 = load i32, ptr %21, align 4, !tbaa !13
  %23 = sext i32 %22 to i64
  %24 = call noalias ptr @calloc(i64 noundef 1, i64 noundef %23) #5
  store ptr %24, ptr %8, align 8, !tbaa !5
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %38

27:                                               ; preds = %18
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = icmp ne ptr %28, null
  br i1 %29, label %30, label %38

30:                                               ; preds = %27
  %31 = load ptr, ptr %8, align 8, !tbaa !5
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = load i32, ptr %6, align 4, !tbaa !9
  %34 = call i32 @OCTET_STRING_fromBuf(ptr noundef %31, ptr noundef %32, i32 noundef %33)
  %35 = icmp ne i32 %34, 0
  br i1 %35, label %36, label %38

36:                                               ; preds = %30
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  call void @free(ptr noundef %37) #4
  store ptr null, ptr %8, align 8, !tbaa !5
  store ptr null, ptr %8, align 8, !tbaa !5
  br label %38

38:                                               ; preds = %36, %30, %27, %18
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret ptr %39
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(0,1) "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 = { 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 #3 = { 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 }
attributes #5 = { nounwind allocsize(0,1) }

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 152}
!12 = !{!"asn_TYPE_descriptor_s", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !10, i64 104, !6, i64 112, !10, i64 120, !6, i64 128, !6, i64 136, !10, i64 144, !6, i64 152}
!13 = !{!14, !10, i64 0}
!14 = !{!"asn_OCTET_STRING_specifics_s", !10, i64 0, !10, i64 4, !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"

%struct.asn_OCTET_STRING_specifics_s = type { i32, i32, i32 }

@asn_DEF_OCTET_STRING_specs = external hidden local_unnamed_addr constant %struct.asn_OCTET_STRING_specifics_s, align 4

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @OCTET_STRING_fromBuf(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @OCTET_STRING_new_fromBuf(ptr nocapture noundef readonly %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 152
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %.not = icmp eq ptr %5, null
  %spec.select = select i1 %.not, ptr @asn_DEF_OCTET_STRING_specs, ptr %5
  %6 = load i32, ptr %spec.select, align 4, !tbaa !11
  %7 = sext i32 %6 to i64
  %8 = tail call noalias ptr @calloc(i64 noundef 1, i64 noundef %7) #3
  %9 = icmp ne ptr %8, null
  %10 = icmp ne ptr %1, null
  %or.cond = and i1 %10, %9
  br i1 %or.cond, label %11, label %14

11:                                               ; preds = %3
  %12 = tail call i32 @OCTET_STRING_fromBuf(ptr noundef nonnull %8, ptr noundef nonnull %1, i32 noundef %2)
  %.not13 = icmp eq i32 %12, 0
  br i1 %.not13, label %14, label %13

13:                                               ; preds = %11
  tail call void @free(ptr noundef nonnull %8) #4
  br label %14

14:                                               ; preds = %13, %11, %3
  %.0 = phi ptr [ null, %13 ], [ %8, %11 ], [ %8, %3 ]
  ret ptr %.0
}

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(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 #1 = { 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 #2 = { 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 = { nounwind allocsize(0,1) }
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 152}
!6 = !{!"asn_TYPE_descriptor_s", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !10, i64 104, !7, i64 112, !10, i64 120, !7, i64 128, !7, i64 136, !10, i64 144, !7, i64 152}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"asn_OCTET_STRING_specifics_s", !10, i64 0, !10, i64 4, !10, i64 8}


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