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

; 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"

; 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 i64 @ber_tlv_tag_fwrite(i32 noundef %0, ptr noundef %1) #1 {
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca [47 x i8], align 16
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 47, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = getelementptr inbounds [47 x i8], ptr %6, i64 0, i64 0
  %11 = call i64 @ber_tlv_tag_snprint(i32 noundef %9, ptr noundef %10, i64 noundef 47)
  store i64 %11, ptr %7, align 8, !tbaa !11
  %12 = load i64, ptr %7, align 8, !tbaa !11
  %13 = icmp sge i64 %12, 47
  br i1 %13, label %17, label %14

14:                                               ; preds = %2
  %15 = load i64, ptr %7, align 8, !tbaa !11
  %16 = icmp slt i64 %15, 2
  br i1 %16, label %17, label %19

17:                                               ; preds = %14, %2
  %18 = call ptr @__errno_location() #5
  store i32 1, ptr %18, align 4, !tbaa !5
  store i64 -1, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %24

19:                                               ; preds = %14
  %20 = getelementptr inbounds [47 x i8], ptr %6, i64 0, i64 0
  %21 = load i64, ptr %7, align 8, !tbaa !11
  %22 = load ptr, ptr %5, align 8, !tbaa !9
  %23 = call i64 @fwrite(ptr noundef %20, i64 noundef 1, i64 noundef %21, ptr noundef %22)
  store i64 %23, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %24

24:                                               ; preds = %19, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 47, ptr %6) #4
  %25 = load i64, ptr %3, align 8
  ret i64 %25
}

; Function Attrs: nounwind uwtable
declare dso_local i64 @ber_tlv_tag_snprint(i32 noundef, ptr noundef, i64 noundef) #1

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #2

declare i64 @fwrite(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #3

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 willreturn memory(none) "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 = { "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 willreturn memory(none) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}


; 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"

; 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: nounwind uwtable
define dso_local noundef i64 @ber_tlv_tag_fwrite(i32 noundef %0, ptr nocapture noundef %1) local_unnamed_addr #1 {
  %3 = alloca [47 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 47, ptr nonnull %3) #4
  %4 = call i64 @ber_tlv_tag_snprint(i32 noundef %0, ptr noundef nonnull %3, i64 noundef 47)
  %5 = add i64 %4, -47
  %or.cond = icmp ult i64 %5, -45
  br i1 %or.cond, label %6, label %8

6:                                                ; preds = %2
  %7 = tail call ptr @__errno_location() #5
  store i32 1, ptr %7, align 4, !tbaa !5
  br label %10

8:                                                ; preds = %2
  %9 = call i64 @fwrite(ptr noundef nonnull %3, i64 noundef 1, i64 noundef %4, ptr noundef %1)
  br label %10

10:                                               ; preds = %8, %6
  %.0 = phi i64 [ -1, %6 ], [ %9, %8 ]
  call void @llvm.lifetime.end.p0(i64 47, ptr nonnull %3) #4
  ret i64 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i64 @ber_tlv_tag_snprint(i32 noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i64 @fwrite(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #3

attributes #0 = { mustprogress 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 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 = { nofree 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 }
attributes #5 = { nounwind willreturn memory(none) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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