; 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
@__FUNCTION__.pbes2_enc_algor_to_der = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @pbes2_enc_algor_to_der(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4) #1 {
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  store i32 %0, ptr %7, align 4, !tbaa !5
  store ptr %1, ptr %8, align 8, !tbaa !9
  store i64 %2, ptr %9, align 8, !tbaa !11
  store ptr %3, ptr %10, align 8, !tbaa !9
  store ptr %4, ptr %11, align 8, !tbaa !9
  %12 = load i32, ptr %7, align 4, !tbaa !5
  %13 = icmp ne i32 %12, 98
  br i1 %13, label %14, label %19

14:                                               ; preds = %5
  br label %15

15:                                               ; preds = %14
  %16 = load ptr, ptr @stderr, align 8, !tbaa !9
  %17 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef @.str.1, ptr noundef @.str.2, i32 noundef 240, ptr noundef @__FUNCTION__.pbes2_enc_algor_to_der) #3
  br label %18

18:                                               ; preds = %15
  store i32 -1, ptr %6, align 4
  br label %33

19:                                               ; preds = %5
  %20 = load i32, ptr %7, align 4, !tbaa !5
  %21 = load ptr, ptr %8, align 8, !tbaa !9
  %22 = load i64, ptr %9, align 8, !tbaa !11
  %23 = load ptr, ptr %10, align 8, !tbaa !9
  %24 = load ptr, ptr %11, align 8, !tbaa !9
  %25 = call i32 @x509_encryption_algor_to_der(i32 noundef %20, ptr noundef %21, i64 noundef %22, ptr noundef %23, ptr noundef %24)
  %26 = icmp ne i32 %25, 1
  br i1 %26, label %27, label %32

27:                                               ; preds = %19
  br label %28

28:                                               ; preds = %27
  %29 = load ptr, ptr @stderr, align 8, !tbaa !9
  %30 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %29, ptr noundef @.str.1, ptr noundef @.str.2, i32 noundef 244, ptr noundef @__FUNCTION__.pbes2_enc_algor_to_der) #3
  br label %31

31:                                               ; preds = %28
  store i32 -1, ptr %6, align 4
  br label %33

32:                                               ; preds = %19
  store i32 1, ptr %6, align 4
  br label %33

33:                                               ; preds = %32, %31, %18
  %34 = load i32, ptr %6, align 4
  ret i32 %34
}

declare i32 @x509_encryption_algor_to_der(i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

attributes #0 = { 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 #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 = { "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 }

!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"

@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
@__FUNCTION__.pbes2_enc_algor_to_der = external hidden unnamed_addr constant [23 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @pbes2_enc_algor_to_der(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4) local_unnamed_addr #1 {
  %.not = icmp eq i32 %0, 98
  br i1 %.not, label %6, label %.sink.split

6:                                                ; preds = %5
  %7 = tail call i32 @x509_encryption_algor_to_der(i32 noundef 98, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4) #3
  %.not7 = icmp eq i32 %7, 1
  br i1 %.not7, label %10, label %.sink.split

.sink.split:                                      ; preds = %6, %5
  %.sink8 = phi i32 [ 240, %5 ], [ 244, %6 ]
  %8 = load ptr, ptr @stderr, align 8, !tbaa !5
  %9 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %8, ptr noundef nonnull @.str.1, ptr noundef nonnull @.str.2, i32 noundef %.sink8, ptr noundef nonnull @__FUNCTION__.pbes2_enc_algor_to_der) #4
  br label %10

10:                                               ; preds = %.sink.split, %6
  %.0 = phi i32 [ 1, %6 ], [ -1, %.sink.split ]
  ret i32 %.0
}

declare i32 @x509_encryption_algor_to_der(i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { 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 #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 = { "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 }
attributes #4 = { 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"}


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