; LLVM IR from guanzhi/GmSSL :: src (pkcs8)

; 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.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [59 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@oid_pbkdf2 = external hidden constant [7 x i32], align 16
@__FUNCTION__.pbkdf2_algor_print = external hidden unnamed_addr constant [19 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [11 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_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @asn1_object_identifier_from_der_ex(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @asn1_object_identifier_equ(ptr noundef, i64 noundef, ptr noundef, i64 noundef) #2

declare i32 @asn1_length_is_zero(i64 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @pbkdf2_params_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef) #3

declare i32 @format_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @pbkdf2_algor_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, i64 noundef %5) #3 {
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca [32 x i32], align 16
  %15 = alloca i64, align 8
  %16 = alloca ptr, align 8
  %17 = alloca i64, align 8
  %18 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store i32 %1, ptr %9, align 4, !tbaa !9
  store i32 %2, ptr %10, align 4, !tbaa !9
  store ptr %3, ptr %11, align 8, !tbaa !5
  store ptr %4, ptr %12, align 8, !tbaa !5
  store i64 %5, ptr %13, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 128, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = load i32, ptr %9, align 4, !tbaa !9
  %21 = load i32, ptr %10, align 4, !tbaa !9
  %22 = load ptr, ptr %11, align 8, !tbaa !5
  %23 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %19, i32 noundef %20, i32 noundef %21, ptr noundef @.str.3, ptr noundef %22)
  %24 = load i32, ptr %10, align 4, !tbaa !9
  %25 = add nsw i32 %24, 4
  store i32 %25, ptr %10, align 4, !tbaa !9
  %26 = getelementptr inbounds [32 x i32], ptr %14, i64 0, i64 0
  %27 = call i32 @asn1_object_identifier_from_der_ex(i32 noundef 6, ptr noundef %26, ptr noundef %15, ptr noundef %12, ptr noundef %13)
  %28 = icmp ne i32 %27, 1
  br i1 %28, label %34, label %29

29:                                               ; preds = %6
  %30 = getelementptr inbounds [32 x i32], ptr %14, i64 0, i64 0
  %31 = load i64, ptr %15, align 8, !tbaa !11
  %32 = call i32 @asn1_object_identifier_equ(ptr noundef %30, i64 noundef %31, ptr noundef @oid_pbkdf2, i64 noundef 7)
  %33 = icmp ne i32 %32, 1
  br i1 %33, label %34, label %40

34:                                               ; preds = %29, %6
  br label %35

35:                                               ; preds = %34
  %36 = load ptr, ptr @stderr, align 8, !tbaa !5
  %37 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %36, ptr noundef @.str.1, ptr noundef @.str.2, i32 noundef 224, ptr noundef @__FUNCTION__.pbkdf2_algor_print) #4
  br label %38

38:                                               ; preds = %35
  br label %39

39:                                               ; preds = %38
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %18, align 4
  br label %66

40:                                               ; preds = %29
  %41 = load ptr, ptr %8, align 8, !tbaa !5
  %42 = load i32, ptr %9, align 4, !tbaa !9
  %43 = load i32, ptr %10, align 4, !tbaa !9
  %44 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %41, i32 noundef %42, i32 noundef %43, ptr noundef @.str.8, ptr noundef @.str.9)
  %45 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef %16, ptr noundef %17, ptr noundef %12, ptr noundef %13)
  %46 = icmp ne i32 %45, 1
  br i1 %46, label %47, label %48

47:                                               ; preds = %40
  br label %60

48:                                               ; preds = %40
  %49 = load ptr, ptr %8, align 8, !tbaa !5
  %50 = load i32, ptr %9, align 4, !tbaa !9
  %51 = load i32, ptr %10, align 4, !tbaa !9
  %52 = load ptr, ptr %16, align 8, !tbaa !5
  %53 = load i64, ptr %17, align 8, !tbaa !11
  %54 = call i32 @pbkdf2_params_print(ptr noundef %49, i32 noundef %50, i32 noundef %51, ptr noundef @.str.10, ptr noundef %52, i64 noundef %53)
  %55 = load i64, ptr %13, align 8, !tbaa !11
  %56 = call i32 @asn1_length_is_zero(i64 noundef %55)
  %57 = icmp ne i32 %56, 1
  br i1 %57, label %58, label %59

58:                                               ; preds = %48
  br label %60

59:                                               ; preds = %48
  store i32 1, ptr %7, align 4
  store i32 1, ptr %18, align 4
  br label %66

60:                                               ; preds = %58, %47
  br label %61

61:                                               ; preds = %60
  %62 = load ptr, ptr @stderr, align 8, !tbaa !5
  %63 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %62, ptr noundef @.str.1, ptr noundef @.str.2, i32 noundef 233, ptr noundef @__FUNCTION__.pbkdf2_algor_print) #4
  br label %64

64:                                               ; preds = %61
  br label %65

65:                                               ; preds = %64
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %18, align 4
  br label %66

66:                                               ; preds = %65, %59, %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  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 128, ptr %14) #4
  %67 = load i32, ptr %7, align 4
  ret i32 %67
}

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, !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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [59 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@oid_pbkdf2 = external hidden constant [7 x i32], align 16
@__FUNCTION__.pbkdf2_algor_print = external hidden unnamed_addr constant [19 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [11 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_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @asn1_object_identifier_from_der_ex(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @asn1_object_identifier_equ(ptr noundef, i64 noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

declare i32 @asn1_length_is_zero(i64 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @pbkdf2_params_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

declare i32 @format_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @pbkdf2_algor_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef %3, ptr noundef %4, i64 noundef %5) local_unnamed_addr #3 {
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca [32 x i32], align 16
  %10 = alloca i64, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i64, align 8
  store ptr %4, ptr %7, align 8, !tbaa !5
  store i64 %5, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  %13 = tail call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull @.str.3, ptr noundef %3) #4
  %14 = add nsw i32 %2, 4
  %15 = call i32 @asn1_object_identifier_from_der_ex(i32 noundef 6, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not = icmp eq i32 %15, 1
  br i1 %.not, label %16, label %.sink.split

16:                                               ; preds = %6
  %17 = load i64, ptr %10, align 8, !tbaa !9
  %18 = call i32 @asn1_object_identifier_equ(ptr noundef nonnull %9, i64 noundef %17, ptr noundef nonnull @oid_pbkdf2, i64 noundef 7) #4
  %.not11 = icmp eq i32 %18, 1
  br i1 %.not11, label %19, label %.sink.split

19:                                               ; preds = %16
  %20 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %14, ptr noundef nonnull @.str.8, ptr noundef nonnull @.str.9) #4
  %21 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef nonnull %11, ptr noundef nonnull %12, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not12 = icmp eq i32 %21, 1
  br i1 %.not12, label %22, label %.sink.split

22:                                               ; preds = %19
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  %24 = load i64, ptr %12, align 8, !tbaa !9
  %25 = call i32 @pbkdf2_params_print(ptr noundef %0, i32 noundef %1, i32 noundef %14, ptr noundef nonnull @.str.10, ptr noundef %23, i64 noundef %24)
  %26 = load i64, ptr %8, align 8, !tbaa !9
  %27 = call i32 @asn1_length_is_zero(i64 noundef %26) #4
  %.not13 = icmp eq i32 %27, 1
  br i1 %.not13, label %30, label %.sink.split

.sink.split:                                      ; preds = %22, %19, %16, %6
  %.sink14 = phi i32 [ 224, %6 ], [ 224, %16 ], [ 233, %19 ], [ 233, %22 ]
  %28 = load ptr, ptr @stderr, align 8, !tbaa !5
  %29 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %28, ptr noundef nonnull @.str.1, ptr noundef nonnull @.str.2, i32 noundef %.sink14, ptr noundef nonnull @__FUNCTION__.pbkdf2_algor_print) #5
  br label %30

30:                                               ; preds = %.sink.split, %22
  %.0 = phi i32 [ 1, %22 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %9) #4
  ret i32 %.0
}

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 = !{!"long", !7, i64 0}


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