; LLVM IR from guanzhi/GmSSL :: src (sm9_key)

; 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 [61 x i8], align 1
@__FUNCTION__.sm9_enc_key_info_decrypt_from_der = external hidden unnamed_addr constant [34 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @gmssl_secure_clear(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #2

declare i32 @asn1_length_is_zero(i64 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_enc_key_from_der(ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
declare hidden i32 @sm9_private_key_info_decrypt_from_der(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @sm9_enc_key_info_decrypt_from_der(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #3 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca [512 x i8], align 16
  %13 = alloca i64, align 8
  %14 = alloca ptr, align 8
  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
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 -1, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.start.p0(i64 512, ptr %12) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %15 = getelementptr inbounds [512 x i8], ptr %12, i64 0, i64 0
  store ptr %15, ptr %14, align 8, !tbaa !5
  %16 = getelementptr inbounds [512 x i8], ptr %12, i64 0, i64 0
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = call i32 @sm9_private_key_info_decrypt_from_der(ptr noundef %10, ptr noundef %11, ptr noundef %16, ptr noundef %13, ptr noundef %17, ptr noundef %18, ptr noundef %19)
  %21 = icmp ne i32 %20, 1
  br i1 %21, label %22, label %28

22:                                               ; preds = %4
  br label %23

23:                                               ; preds = %22
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1025, ptr noundef @__FUNCTION__.sm9_enc_key_info_decrypt_from_der) #4
  br label %26

26:                                               ; preds = %23
  br label %27

27:                                               ; preds = %26
  br label %61

28:                                               ; preds = %4
  %29 = load i32, ptr %10, align 4, !tbaa !9
  %30 = icmp ne i32 %29, 12
  br i1 %30, label %31, label %37

31:                                               ; preds = %28
  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 1029, ptr noundef @__FUNCTION__.sm9_enc_key_info_decrypt_from_der) #4
  br label %35

35:                                               ; preds = %32
  br label %36

36:                                               ; preds = %35
  br label %61

37:                                               ; preds = %28
  %38 = load i32, ptr %11, align 4, !tbaa !9
  %39 = icmp ne i32 %38, -1
  br i1 %39, label %40, label %46

40:                                               ; preds = %37
  br label %41

41:                                               ; preds = %40
  %42 = load ptr, ptr @stderr, align 8, !tbaa !5
  %43 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %42, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1033, ptr noundef @__FUNCTION__.sm9_enc_key_info_decrypt_from_der) #4
  br label %44

44:                                               ; preds = %41
  br label %45

45:                                               ; preds = %44
  br label %61

46:                                               ; preds = %37
  %47 = load ptr, ptr %5, align 8, !tbaa !5
  %48 = call i32 @sm9_enc_key_from_der(ptr noundef %47, ptr noundef %14, ptr noundef %13)
  %49 = icmp ne i32 %48, 1
  br i1 %49, label %54, label %50

50:                                               ; preds = %46
  %51 = load i64, ptr %13, align 8, !tbaa !11
  %52 = call i32 @asn1_length_is_zero(i64 noundef %51)
  %53 = icmp ne i32 %52, 1
  br i1 %53, label %54, label %60

54:                                               ; preds = %50, %46
  br label %55

55:                                               ; preds = %54
  %56 = load ptr, ptr @stderr, align 8, !tbaa !5
  %57 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %56, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1038, ptr noundef @__FUNCTION__.sm9_enc_key_info_decrypt_from_der) #4
  br label %58

58:                                               ; preds = %55
  br label %59

59:                                               ; preds = %58
  br label %61

60:                                               ; preds = %50
  store i32 1, ptr %9, align 4, !tbaa !9
  br label %61

61:                                               ; preds = %60, %59, %45, %36, %27
  %62 = getelementptr inbounds [512 x i8], ptr %12, i64 0, i64 0
  call void @gmssl_secure_clear(ptr noundef %62, i64 noundef 512)
  %63 = load i32, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 512, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  ret i32 %63
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 "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 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [61 x i8], align 1
@__FUNCTION__.sm9_enc_key_info_decrypt_from_der = external hidden unnamed_addr constant [34 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare void @gmssl_secure_clear(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

declare i32 @asn1_length_is_zero(i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @sm9_enc_key_from_der(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
declare hidden i32 @sm9_private_key_info_decrypt_from_der(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @sm9_enc_key_info_decrypt_from_der(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #3 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca [512 x i8], align 16
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  store ptr %7, ptr %9, align 8, !tbaa !5
  %10 = call i32 @sm9_private_key_info_decrypt_from_der(ptr noundef nonnull %5, ptr noundef nonnull %6, ptr noundef nonnull %7, ptr noundef nonnull %8, ptr noundef %1, ptr noundef %2, ptr noundef %3)
  %.not = icmp eq i32 %10, 1
  br i1 %.not, label %11, label %.sink.split

11:                                               ; preds = %4
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %.not4 = icmp eq i32 %12, 12
  br i1 %.not4, label %13, label %.sink.split

13:                                               ; preds = %11
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %.not5 = icmp eq i32 %14, -1
  br i1 %.not5, label %15, label %.sink.split

15:                                               ; preds = %13
  %16 = call i32 @sm9_enc_key_from_der(ptr noundef %0, ptr noundef nonnull %9, ptr noundef nonnull %8)
  %.not6 = icmp eq i32 %16, 1
  br i1 %.not6, label %17, label %.sink.split

17:                                               ; preds = %15
  %18 = load i64, ptr %8, align 8, !tbaa !11
  %19 = call i32 @asn1_length_is_zero(i64 noundef %18) #4
  %.not7 = icmp eq i32 %19, 1
  br i1 %.not7, label %22, label %.sink.split

.sink.split:                                      ; preds = %17, %15, %13, %11, %4
  %.sink8 = phi i32 [ 1025, %4 ], [ 1029, %11 ], [ 1033, %13 ], [ 1038, %15 ], [ 1038, %17 ]
  %20 = load ptr, ptr @stderr, align 8, !tbaa !5
  %21 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %20, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink8, ptr noundef nonnull @__FUNCTION__.sm9_enc_key_info_decrypt_from_der) #5
  br label %22

22:                                               ; preds = %.sink.split, %17
  %.0 = phi i32 [ 1, %17 ], [ -1, %.sink.split ]
  call void @gmssl_secure_clear(ptr noundef nonnull %7, i64 noundef 512) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  ret i32 %.0
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 #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, !12, i64 0}
!12 = !{!"long", !7, i64 0}


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