; LLVM IR from guanzhi/GmSSL :: src (x509_alg)

; 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
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [16 x i8], align 1
@x509_public_key_algors = external hidden constant [2 x %struct.ASN1_OID_INFO], align 16
@.str.7 = external hidden unnamed_addr constant [16 x i8], align 1
@__FUNCTION__.x509_public_key_algor_print = 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(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

declare i32 @asn1_length_is_zero(i64 noundef) #2

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

declare i32 @asn1_null_from_der(ptr noundef, ptr noundef) #2

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

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_public_key_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 ptr, align 8
  %15 = alloca i32, align 4
  %16 = 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 8, ptr %14) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  %17 = load ptr, ptr %8, align 8, !tbaa !5
  %18 = load i32, ptr %9, align 4, !tbaa !9
  %19 = load i32, ptr %10, align 4, !tbaa !9
  %20 = load ptr, ptr %11, align 8, !tbaa !5
  %21 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %17, i32 noundef %18, i32 noundef %19, ptr noundef @.str.2, ptr noundef %20)
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = add nsw i32 %22, 4
  store i32 %23, ptr %10, align 4, !tbaa !9
  %24 = call i32 @asn1_oid_info_from_der(ptr noundef %14, ptr noundef @x509_public_key_algors, i64 noundef 2, ptr noundef %12, ptr noundef %13)
  %25 = icmp ne i32 %24, 1
  br i1 %25, label %26, label %27

26:                                               ; preds = %6
  br label %76

27:                                               ; preds = %6
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = load i32, ptr %9, align 4, !tbaa !9
  %30 = load i32, ptr %10, align 4, !tbaa !9
  %31 = load ptr, ptr %14, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.ASN1_OID_INFO, ptr %31, i32 0, i32 1
  %33 = load ptr, ptr %32, align 8, !tbaa !13
  %34 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %28, i32 noundef %29, i32 noundef %30, ptr noundef @.str.3, ptr noundef %33)
  %35 = load ptr, ptr %14, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.ASN1_OID_INFO, ptr %35, i32 0, i32 0
  %37 = load i32, ptr %36, align 8, !tbaa !15
  switch i32 %37, label %64 [
    i32 18, label %38
    i32 115, label %49
  ]

38:                                               ; preds = %27
  %39 = call i32 @ec_named_curve_from_der(ptr noundef %15, ptr noundef %12, ptr noundef %13)
  %40 = icmp ne i32 %39, 1
  br i1 %40, label %41, label %42

41:                                               ; preds = %38
  br label %76

42:                                               ; preds = %38
  %43 = load ptr, ptr %8, align 8, !tbaa !5
  %44 = load i32, ptr %9, align 4, !tbaa !9
  %45 = load i32, ptr %10, align 4, !tbaa !9
  %46 = load i32, ptr %15, align 4, !tbaa !9
  %47 = call ptr @ec_named_curve_name(i32 noundef %46)
  %48 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %43, i32 noundef %44, i32 noundef %45, ptr noundef @.str.7, ptr noundef %47)
  br label %70

49:                                               ; preds = %27
  %50 = call i32 @asn1_null_from_der(ptr noundef %12, ptr noundef %13)
  store i32 %50, ptr %15, align 4, !tbaa !9
  %51 = icmp slt i32 %50, 0
  br i1 %51, label %52, label %53

52:                                               ; preds = %49
  br label %76

53:                                               ; preds = %49
  %54 = load i32, ptr %15, align 4, !tbaa !9
  %55 = icmp ne i32 %54, 0
  br i1 %55, label %56, label %62

56:                                               ; preds = %53
  %57 = load ptr, ptr %8, align 8, !tbaa !5
  %58 = load i32, ptr %9, align 4, !tbaa !9
  %59 = load i32, ptr %10, align 4, !tbaa !9
  %60 = call ptr @asn1_null_name()
  %61 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %57, i32 noundef %58, i32 noundef %59, ptr noundef @.str.5, ptr noundef %60)
  br label %62

62:                                               ; preds = %56, %53
  br label %63

63:                                               ; preds = %62
  br label %70

64:                                               ; preds = %27
  br label %65

65:                                               ; preds = %64
  %66 = load ptr, ptr @stderr, align 8, !tbaa !5
  %67 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %66, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 683, ptr noundef @__FUNCTION__.x509_public_key_algor_print) #4
  br label %68

68:                                               ; preds = %65
  br label %69

69:                                               ; preds = %68
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %82

70:                                               ; preds = %63, %42
  %71 = load i64, ptr %13, align 8, !tbaa !11
  %72 = call i32 @asn1_length_is_zero(i64 noundef %71)
  %73 = icmp ne i32 %72, 1
  br i1 %73, label %74, label %75

74:                                               ; preds = %70
  br label %76

75:                                               ; preds = %70
  store i32 1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %82

76:                                               ; preds = %74, %52, %41, %26
  br label %77

77:                                               ; preds = %76
  %78 = load ptr, ptr @stderr, align 8, !tbaa !5
  %79 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %78, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 689, ptr noundef @__FUNCTION__.x509_public_key_algor_print) #4
  br label %80

80:                                               ; preds = %77
  br label %81

81:                                               ; preds = %80
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %82

82:                                               ; preds = %81, %75, %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  %83 = load i32, ptr %7, align 4
  ret i32 %83
}

declare ptr @ec_named_curve_name(i32 noundef) #2

declare ptr @asn1_null_name() #2

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}
!13 = !{!14, !6, i64 8}
!14 = !{!"", !10, i64 0, !6, i64 8, !6, i64 16, !12, i64 24, !10, i64 32, !6, i64 40}
!15 = !{!14, !10, 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
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [16 x i8], align 1
@x509_public_key_algors = external hidden constant [2 x %struct.ASN1_OID_INFO], align 16
@.str.7 = external hidden unnamed_addr constant [16 x i8], align 1
@__FUNCTION__.x509_public_key_algor_print = 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(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @asn1_length_is_zero(i64 noundef) local_unnamed_addr #2

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

declare i32 @asn1_null_from_der(ptr noundef, ptr noundef) local_unnamed_addr #2

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

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_public_key_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 ptr, align 8
  %10 = alloca i32, align 4
  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 8, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #4
  %11 = tail call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull @.str.2, ptr noundef %3) #4
  %12 = add nsw i32 %2, 4
  %13 = call i32 @asn1_oid_info_from_der(ptr noundef nonnull %9, ptr noundef nonnull @x509_public_key_algors, i64 noundef 2, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not = icmp eq i32 %13, 1
  br i1 %.not, label %14, label %.sink.split

14:                                               ; preds = %6
  %15 = load ptr, ptr %9, align 8, !tbaa !5
  %16 = getelementptr inbounds i8, ptr %15, i64 8
  %17 = load ptr, ptr %16, align 8, !tbaa !11
  %18 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %12, ptr noundef nonnull @.str.3, ptr noundef %17) #4
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = load i32, ptr %19, align 8, !tbaa !14
  switch i32 %20, label %.sink.split [
    i32 18, label %21
    i32 115, label %27
  ]

21:                                               ; preds = %14
  %22 = call i32 @ec_named_curve_from_der(ptr noundef nonnull %10, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not16 = icmp eq i32 %22, 1
  br i1 %.not16, label %23, label %.sink.split

23:                                               ; preds = %21
  %24 = load i32, ptr %10, align 4, !tbaa !15
  %25 = call ptr @ec_named_curve_name(i32 noundef %24) #4
  %26 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %12, ptr noundef nonnull @.str.7, ptr noundef %25) #4
  br label %34

27:                                               ; preds = %14
  %28 = call i32 @asn1_null_from_der(ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  store i32 %28, ptr %10, align 4, !tbaa !15
  %29 = icmp slt i32 %28, 0
  br i1 %29, label %.sink.split, label %30

30:                                               ; preds = %27
  %.not15 = icmp eq i32 %28, 0
  br i1 %.not15, label %34, label %31

31:                                               ; preds = %30
  %32 = call ptr @asn1_null_name() #4
  %33 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %12, ptr noundef nonnull @.str.5, ptr noundef %32) #4
  br label %34

34:                                               ; preds = %31, %30, %23
  %35 = load i64, ptr %8, align 8, !tbaa !9
  %36 = call i32 @asn1_length_is_zero(i64 noundef %35) #4
  %.not17 = icmp eq i32 %36, 1
  br i1 %.not17, label %39, label %.sink.split

.sink.split:                                      ; preds = %34, %27, %21, %6, %14
  %.sink18 = phi i32 [ 683, %14 ], [ 689, %6 ], [ 689, %21 ], [ 689, %27 ], [ 689, %34 ]
  %37 = load ptr, ptr @stderr, align 8, !tbaa !5
  %38 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %37, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink18, ptr noundef nonnull @__FUNCTION__.x509_public_key_algor_print) #5
  br label %39

39:                                               ; preds = %.sink.split, %34
  %.0 = phi i32 [ 1, %34 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  ret i32 %.0
}

declare ptr @ec_named_curve_name(i32 noundef) local_unnamed_addr #2

declare ptr @asn1_null_name() local_unnamed_addr #2

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}
!11 = !{!12, !6, i64 8}
!12 = !{!"", !13, i64 0, !6, i64 8, !6, i64 16, !10, i64 24, !13, i64 32, !6, i64 40}
!13 = !{!"int", !7, i64 0}
!14 = !{!12, !13, i64 0}
!15 = !{!13, !13, i64 0}


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