; 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.OCTET_STRING = type { ptr, i32, %struct.asn_struct_ctx_s }
%struct.asn_struct_ctx_s = type { i16, i16, i32, ptr, i64 }

@.str.7 = external hidden unnamed_addr constant [9 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

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

; Function Attrs: nounwind uwtable
define dso_local i32 @OCTET_STRING_print_utf8(ptr noundef %0, ptr noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4) #1 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !9
  store ptr %3, ptr %10, align 8, !tbaa !5
  store ptr %4, ptr %11, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #2
  %14 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %14, ptr %12, align 8, !tbaa !5
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = load i32, ptr %9, align 4, !tbaa !9
  %17 = load ptr, ptr %12, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %43

19:                                               ; preds = %5
  %20 = load ptr, ptr %12, 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 = icmp ne ptr %22, null
  br i1 %23, label %29, label %24

24:                                               ; preds = %19
  %25 = load ptr, ptr %12, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.OCTET_STRING, ptr %25, i32 0, i32 1
  %27 = load i32, ptr %26, align 8, !tbaa !16
  %28 = icmp ne i32 %27, 0
  br i1 %28, label %43, label %29

29:                                               ; preds = %24, %19
  %30 = load ptr, ptr %10, align 8, !tbaa !5
  %31 = load ptr, ptr %12, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.OCTET_STRING, ptr %31, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8, !tbaa !11
  %34 = load ptr, ptr %12, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.OCTET_STRING, ptr %34, i32 0, i32 1
  %36 = load i32, ptr %35, align 8, !tbaa !16
  %37 = sext i32 %36 to i64
  %38 = load ptr, ptr %11, align 8, !tbaa !5
  %39 = call i32 %30(ptr noundef %33, i64 noundef %37, ptr noundef %38)
  %40 = icmp slt i32 %39, 0
  %41 = zext i1 %40 to i64
  %42 = select i1 %40, i32 -1, i32 0
  store i32 %42, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %50

43:                                               ; preds = %24, %5
  %44 = load ptr, ptr %10, align 8, !tbaa !5
  %45 = load ptr, ptr %11, align 8, !tbaa !5
  %46 = call i32 %44(ptr noundef @.str.7, i64 noundef 8, ptr noundef %45)
  %47 = icmp slt i32 %46, 0
  %48 = zext i1 %47 to i64
  %49 = select i1 %47, i32 -1, i32 0
  store i32 %49, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %50

50:                                               ; preds = %43, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #2
  %51 = load i32, ptr %6, align 4
  ret i32 %51
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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)"}
!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 0}
!12 = !{!"OCTET_STRING", !6, i64 0, !10, i64 8, !13, i64 16}
!13 = !{!"asn_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"

@.str.7 = external hidden unnamed_addr constant [9 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 1) i32 @OCTET_STRING_print_utf8(ptr nocapture noundef readnone %0, ptr noundef readonly %1, i32 noundef %2, ptr nocapture noundef readonly %3, ptr noundef %4) local_unnamed_addr #0 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %15, label %6

6:                                                ; preds = %5
  %7 = load ptr, ptr %1, align 8, !tbaa !5
  %.not13 = icmp eq ptr %7, null
  %8 = getelementptr inbounds i8, ptr %1, i64 8
  %9 = load i32, ptr %8, align 8, !tbaa !14
  br i1 %.not13, label %11, label %._crit_edge

._crit_edge:                                      ; preds = %6
  %10 = sext i32 %9 to i64
  br label %12

11:                                               ; preds = %6
  %.not14 = icmp eq i32 %9, 0
  br i1 %.not14, label %12, label %15

12:                                               ; preds = %._crit_edge, %11
  %13 = phi i64 [ %10, %._crit_edge ], [ 0, %11 ]
  %14 = tail call i32 %3(ptr noundef %7, i64 noundef %13, ptr noundef %4) #1
  br label %17

15:                                               ; preds = %11, %5
  %16 = tail call i32 %3(ptr noundef nonnull @.str.7, i64 noundef 8, ptr noundef %4) #1
  br label %17

17:                                               ; preds = %15, %12
  %.0.in = phi i32 [ %14, %12 ], [ %16, %15 ]
  %.0 = ashr i32 %.0.in, 31
  ret i32 %.0
}

attributes #0 = { 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 = { 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 = !{!"OCTET_STRING", !7, i64 0, !10, i64 8, !11, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"asn_struct_ctx_s", !12, i64 0, !12, i64 2, !10, i64 4, !7, i64 8, !13, i64 16}
!12 = !{!"short", !8, i64 0}
!13 = !{!"long", !8, i64 0}
!14 = !{!6, !10, i64 8}


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