; LLVM IR from guanzhi/GmSSL :: src (x509_ext)

; 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.ASN1_OID_INFO = type { i32, ptr, ptr, i64, i32, ptr }

@x509_ext_ids = external hidden constant [22 x %struct.ASN1_OID_INFO], align 16
@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [62 x i8], align 1
@__FUNCTION__.x509_ext_id_from_der = external hidden unnamed_addr constant [21 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: nounwind
declare i32 @fprintf(ptr noundef, ptr 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 uwtable
define dso_local i32 @x509_ext_id_from_der(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) #2 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store ptr %2, ptr %9, align 8, !tbaa !5
  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 4, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %15 = load ptr, ptr %8, align 8, !tbaa !5
  %16 = load ptr, ptr %9, align 8, !tbaa !5
  %17 = load ptr, ptr %10, align 8, !tbaa !5
  %18 = load ptr, ptr %11, align 8, !tbaa !5
  %19 = call i32 @asn1_oid_info_from_der_ex(ptr noundef %13, ptr noundef %15, ptr noundef %16, ptr noundef @x509_ext_ids, i64 noundef 22, ptr noundef %17, ptr noundef %18)
  store i32 %19, ptr %12, align 4, !tbaa !9
  %20 = icmp ne i32 %19, 1
  br i1 %20, label %21, label %34

21:                                               ; preds = %5
  %22 = load i32, ptr %12, align 4, !tbaa !9
  %23 = icmp slt i32 %22, 0
  br i1 %23, label %24, label %30

24:                                               ; preds = %21
  br label %25

25:                                               ; preds = %24
  %26 = load ptr, ptr @stderr, align 8, !tbaa !5
  %27 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %26, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 121, ptr noundef @__FUNCTION__.x509_ext_id_from_der) #4
  br label %28

28:                                               ; preds = %25
  br label %29

29:                                               ; preds = %28
  br label %32

30:                                               ; preds = %21
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  store i32 -1, ptr %31, align 4, !tbaa !9
  br label %32

32:                                               ; preds = %30, %29
  %33 = load i32, ptr %12, align 4, !tbaa !9
  store i32 %33, ptr %6, align 4
  store i32 1, ptr %14, align 4
  br label %45

34:                                               ; preds = %5
  %35 = load ptr, ptr %13, align 8, !tbaa !5
  %36 = icmp ne ptr %35, null
  br i1 %36, label %37, label %41

37:                                               ; preds = %34
  %38 = load ptr, ptr %13, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.ASN1_OID_INFO, ptr %38, i32 0, i32 0
  %40 = load i32, ptr %39, align 8, !tbaa !11
  br label %42

41:                                               ; preds = %34
  br label %42

42:                                               ; preds = %41, %37
  %43 = phi i32 [ %40, %37 ], [ 0, %41 ]
  %44 = load ptr, ptr %7, align 8, !tbaa !5
  store i32 %43, ptr %44, align 4, !tbaa !9
  store i32 1, ptr %6, align 4
  store i32 1, ptr %14, align 4
  br label %45

45:                                               ; preds = %42, %32
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  %46 = load i32, ptr %6, align 4
  ret i32 %46
}

declare i32 @asn1_oid_info_from_der_ex(ptr noundef, ptr noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { "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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"", !10, i64 0, !6, i64 8, !6, i64 16, !13, i64 24, !10, i64 32, !6, i64 40}
!13 = !{!"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"

%struct.ASN1_OID_INFO = type { i32, ptr, ptr, i64, i32, ptr }

@x509_ext_ids = external hidden constant [22 x %struct.ASN1_OID_INFO], align 16
@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [62 x i8], align 1
@__FUNCTION__.x509_ext_id_from_der = external hidden unnamed_addr constant [21 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

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; 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 i32 @x509_ext_id_from_der(ptr nocapture noundef writeonly %0, ptr noundef %1, ptr noundef %2, ptr noundef %3, ptr noundef %4) local_unnamed_addr #2 {
  %6 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %7 = call i32 @asn1_oid_info_from_der_ex(ptr noundef nonnull %6, ptr noundef %1, ptr noundef %2, ptr noundef nonnull @x509_ext_ids, i64 noundef 22, ptr noundef %3, ptr noundef %4) #4
  %.not = icmp eq i32 %7, 1
  br i1 %.not, label %14, label %8

8:                                                ; preds = %5
  %9 = icmp slt i32 %7, 0
  br i1 %9, label %10, label %13

10:                                               ; preds = %8
  %11 = load ptr, ptr @stderr, align 8, !tbaa !5
  %12 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %11, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 121, ptr noundef nonnull @__FUNCTION__.x509_ext_id_from_der) #5
  br label %20

13:                                               ; preds = %8
  store i32 -1, ptr %0, align 4, !tbaa !9
  br label %20

14:                                               ; preds = %5
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %.not10 = icmp eq ptr %15, null
  br i1 %.not10, label %18, label %16

16:                                               ; preds = %14
  %17 = load i32, ptr %15, align 8, !tbaa !11
  br label %18

18:                                               ; preds = %14, %16
  %19 = phi i32 [ %17, %16 ], [ 0, %14 ]
  store i32 %19, ptr %0, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %10, %13, %18
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  ret i32 %7
}

declare i32 @asn1_oid_info_from_der_ex(ptr noundef, ptr noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { "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 = { cold 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, !10, i64 0}
!12 = !{!"", !10, i64 0, !6, i64 8, !6, i64 16, !13, i64 24, !10, i64 32, !6, i64 40}
!13 = !{!"long", !7, i64 0}


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