; 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 }

@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
@access_methods = external hidden constant [2 x %struct.ASN1_OID_INFO], align 16
@__FUNCTION__.x509_access_method_from_der = external hidden unnamed_addr constant [28 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

declare i32 @asn1_oid_info_from_der_ex(ptr noundef, ptr noundef, ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_access_method_from_der(ptr noundef %0, ptr noundef %1, ptr noundef %2) #3 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca [32 x i32], align 16
  %11 = alloca i64, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 128, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %13 = getelementptr inbounds [32 x i32], ptr %10, i64 0, i64 0
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = call i32 @asn1_oid_info_from_der_ex(ptr noundef %9, ptr noundef %13, ptr noundef %11, ptr noundef @access_methods, i64 noundef 2, ptr noundef %14, ptr noundef %15)
  store i32 %16, ptr %8, align 4, !tbaa !9
  %17 = icmp ne i32 %16, 1
  br i1 %17, label %18, label %31

18:                                               ; preds = %3
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = icmp slt i32 %19, 0
  br i1 %20, label %21, label %27

21:                                               ; preds = %18
  br label %22

22:                                               ; preds = %21
  %23 = load ptr, ptr @stderr, align 8, !tbaa !5
  %24 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %23, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 3004, ptr noundef @__FUNCTION__.x509_access_method_from_der) #4
  br label %25

25:                                               ; preds = %22
  br label %26

26:                                               ; preds = %25
  br label %29

27:                                               ; preds = %18
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 -1, ptr %28, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %27, %26
  %30 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %30, ptr %4, align 4
  store i32 1, ptr %12, align 4
  br label %36

31:                                               ; preds = %3
  %32 = load ptr, ptr %9, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.ASN1_OID_INFO, ptr %32, i32 0, i32 0
  %34 = load i32, ptr %33, align 8, !tbaa !11
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %34, ptr %35, align 4, !tbaa !9
  store i32 1, ptr %4, align 4
  store i32 1, ptr %12, align 4
  br label %36

36:                                               ; preds = %31, %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 128, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  %37 = load i32, ptr %4, align 4
  ret i32 %37
}

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 = { "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 }

!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 }

@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
@access_methods = external hidden constant [2 x %struct.ASN1_OID_INFO], align 16
@__FUNCTION__.x509_access_method_from_der = external hidden unnamed_addr constant [28 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

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 #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_access_method_from_der(ptr nocapture noundef writeonly %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #3 {
  %4 = alloca ptr, align 8
  %5 = alloca [32 x i32], align 16
  %6 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %7 = call i32 @asn1_oid_info_from_der_ex(ptr noundef nonnull %4, ptr noundef nonnull %5, ptr noundef nonnull %6, ptr noundef nonnull @access_methods, i64 noundef 2, ptr noundef %1, ptr noundef %2) #4
  %.not = icmp eq i32 %7, 1
  br i1 %.not, label %14, label %8

8:                                                ; preds = %3
  %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 3004, ptr noundef nonnull @__FUNCTION__.x509_access_method_from_der) #5
  br label %17

13:                                               ; preds = %8
  store i32 -1, ptr %0, align 4, !tbaa !9
  br label %17

14:                                               ; preds = %3
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load i32, ptr %15, align 8, !tbaa !11
  store i32 %16, ptr %0, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %10, %13, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret i32 %7
}

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 = { "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 = { 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