; 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"

@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_exts_add_key_usage = external hidden unnamed_addr constant [24 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
declare dso_local i32 @x509_ext_to_der(i32 noundef, i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

declare i32 @asn1_length_le(i64 noundef, i64 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_exts_add_key_usage(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, i32 noundef %4) #2 {
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i64, align 8
  %14 = alloca [16 x i8], align 16
  %15 = alloca ptr, align 8
  %16 = alloca i64, align 8
  %17 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !5
  store i64 %2, ptr %9, align 8, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !11
  store i32 %4, ptr %11, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 46, ptr %12, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = load i64, ptr %18, align 8, !tbaa !9
  store i64 %19, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %20 = getelementptr inbounds [16 x i8], ptr %14, i64 0, i64 0
  store ptr %20, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  store i64 0, ptr %16, align 8, !tbaa !9
  %21 = load i32, ptr %11, align 4, !tbaa !11
  %22 = icmp eq i32 %21, -1
  br i1 %22, label %23, label %24

23:                                               ; preds = %5
  store i32 0, ptr %6, align 4
  store i32 1, ptr %17, align 4
  br label %73

24:                                               ; preds = %5
  %25 = load i32, ptr %11, align 4, !tbaa !11
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %38, label %27

27:                                               ; preds = %24
  %28 = load i32, ptr %11, align 4, !tbaa !11
  %29 = call i32 @x509_key_usage_check(i32 noundef %28, i32 noundef -1)
  %30 = icmp ne i32 %29, 1
  br i1 %30, label %31, label %37

31:                                               ; preds = %27
  br label %32

32:                                               ; preds = %31
  %33 = load ptr, ptr @stderr, align 8, !tbaa !5
  %34 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %33, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 434, ptr noundef @__FUNCTION__.x509_exts_add_key_usage) #4
  br label %35

35:                                               ; preds = %32
  br label %36

36:                                               ; preds = %35
  store i32 -1, ptr %6, align 4
  store i32 1, ptr %17, align 4
  br label %73

37:                                               ; preds = %27
  br label %38

38:                                               ; preds = %37, %24
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = load ptr, ptr %7, align 8, !tbaa !5
  %42 = getelementptr inbounds i8, ptr %41, i64 %40
  store ptr %42, ptr %7, align 8, !tbaa !5
  %43 = load i32, ptr %11, align 4, !tbaa !11
  %44 = call i32 @asn1_bits_to_der_ex(i32 noundef 3, i32 noundef %43, ptr noundef %15, ptr noundef %16)
  %45 = icmp ne i32 %44, 1
  br i1 %45, label %66, label %46

46:                                               ; preds = %38
  %47 = load i32, ptr %12, align 4, !tbaa !11
  %48 = load i32, ptr %10, align 4, !tbaa !11
  %49 = getelementptr inbounds [16 x i8], ptr %14, i64 0, i64 0
  %50 = load i64, ptr %16, align 8, !tbaa !9
  %51 = call i32 @x509_ext_to_der(i32 noundef %47, i32 noundef %48, ptr noundef %49, i64 noundef %50, ptr noundef null, ptr noundef %13)
  %52 = icmp ne i32 %51, 1
  br i1 %52, label %66, label %53

53:                                               ; preds = %46
  %54 = load i64, ptr %13, align 8, !tbaa !9
  %55 = load i64, ptr %9, align 8, !tbaa !9
  %56 = call i32 @asn1_length_le(i64 noundef %54, i64 noundef %55)
  %57 = icmp ne i32 %56, 1
  br i1 %57, label %66, label %58

58:                                               ; preds = %53
  %59 = load i32, ptr %12, align 4, !tbaa !11
  %60 = load i32, ptr %10, align 4, !tbaa !11
  %61 = getelementptr inbounds [16 x i8], ptr %14, i64 0, i64 0
  %62 = load i64, ptr %16, align 8, !tbaa !9
  %63 = load ptr, ptr %8, align 8, !tbaa !5
  %64 = call i32 @x509_ext_to_der(i32 noundef %59, i32 noundef %60, ptr noundef %61, i64 noundef %62, ptr noundef %7, ptr noundef %63)
  %65 = icmp ne i32 %64, 1
  br i1 %65, label %66, label %72

66:                                               ; preds = %58, %53, %46, %38
  br label %67

67:                                               ; preds = %66
  %68 = load ptr, ptr @stderr, align 8, !tbaa !5
  %69 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %68, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 444, ptr noundef @__FUNCTION__.x509_exts_add_key_usage) #4
  br label %70

70:                                               ; preds = %67
  br label %71

71:                                               ; preds = %70
  store i32 -1, ptr %6, align 4
  store i32 1, ptr %17, align 4
  br label %73

72:                                               ; preds = %58
  store i32 1, ptr %6, align 4
  store i32 1, ptr %17, align 4
  br label %73

73:                                               ; preds = %72, %71, %36, %23
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  %74 = load i32, ptr %6, align 4
  ret i32 %74
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_key_usage_check(i32 noundef, i32 noundef) #2

declare i32 @asn1_bits_to_der_ex(i32 noundef, i32 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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"

@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_exts_add_key_usage = external hidden unnamed_addr constant [24 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
declare dso_local i32 @x509_ext_to_der(i32 noundef, i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @asn1_length_le(i64 noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_exts_add_key_usage(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #2 {
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca [16 x i8], align 16
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %11 = load i64, ptr %1, align 8, !tbaa !5
  store i64 %11, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  store ptr %8, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  store i64 0, ptr %10, align 8, !tbaa !5
  switch i32 %4, label %14 [
    i32 -1, label %29
    i32 0, label %12
  ]

12:                                               ; preds = %5
  %13 = call i32 @x509_key_usage_check(i32 noundef 0, i32 noundef -1)
  %.not13 = icmp eq i32 %13, 1
  br i1 %.not13, label %._crit_edge, label %.sink.split

._crit_edge:                                      ; preds = %12
  %.pre = load i64, ptr %1, align 8, !tbaa !5
  br label %14

14:                                               ; preds = %._crit_edge, %5
  %15 = phi i64 [ %.pre, %._crit_edge ], [ %11, %5 ]
  %16 = getelementptr inbounds i8, ptr %0, i64 %15
  store ptr %16, ptr %6, align 8, !tbaa !9
  %17 = call i32 @asn1_bits_to_der_ex(i32 noundef 3, i32 noundef %4, ptr noundef nonnull %9, ptr noundef nonnull %10) #4
  %.not14 = icmp eq i32 %17, 1
  br i1 %.not14, label %18, label %.sink.split

18:                                               ; preds = %14
  %19 = load i64, ptr %10, align 8, !tbaa !5
  %20 = call i32 @x509_ext_to_der(i32 noundef 46, i32 noundef %3, ptr noundef nonnull %8, i64 noundef %19, ptr noundef null, ptr noundef nonnull %7)
  %.not15 = icmp eq i32 %20, 1
  br i1 %.not15, label %21, label %.sink.split

21:                                               ; preds = %18
  %22 = load i64, ptr %7, align 8, !tbaa !5
  %23 = call i32 @asn1_length_le(i64 noundef %22, i64 noundef %2) #4
  %.not16 = icmp eq i32 %23, 1
  br i1 %.not16, label %24, label %.sink.split

24:                                               ; preds = %21
  %25 = load i64, ptr %10, align 8, !tbaa !5
  %26 = call i32 @x509_ext_to_der(i32 noundef 46, i32 noundef %3, ptr noundef nonnull %8, i64 noundef %25, ptr noundef nonnull %6, ptr noundef nonnull %1)
  %.not17 = icmp eq i32 %26, 1
  br i1 %.not17, label %29, label %.sink.split

.sink.split:                                      ; preds = %24, %21, %18, %14, %12
  %.sink18 = phi i32 [ 434, %12 ], [ 444, %14 ], [ 444, %18 ], [ 444, %21 ], [ 444, %24 ]
  %27 = load ptr, ptr @stderr, align 8, !tbaa !9
  %28 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %27, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink18, ptr noundef nonnull @__FUNCTION__.x509_exts_add_key_usage) #5
  br label %29

29:                                               ; preds = %.sink.split, %24, %5
  %.0 = phi i32 [ 0, %5 ], [ 1, %24 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_key_usage_check(i32 noundef, i32 noundef) local_unnamed_addr #2

declare i32 @asn1_bits_to_der_ex(i32 noundef, i32 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 = !{!"long", !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}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass