; LLVM IR from guanzhi/GmSSL :: src (asn1)

; 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 [58 x i8], align 1
@__FUNCTION__.asn1_ia5_string_to_der_ex = external hidden unnamed_addr constant [26 x i8], align 1

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @asn1_type_to_der(i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local i32 @asn1_string_is_ia5_string(ptr noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @asn1_ia5_string_to_der_ex(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4) #2 {
  %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
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  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
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %14 = load ptr, ptr %8, align 8, !tbaa !9
  %15 = load i64, ptr %9, align 8, !tbaa !11
  %16 = call i32 @asn1_string_is_ia5_string(ptr noundef %14, i64 noundef %15)
  %17 = icmp ne i32 %16, 1
  br i1 %17, label %18, label %24

18:                                               ; preds = %5
  br label %19

19:                                               ; preds = %18
  %20 = load ptr, ptr @stderr, align 8, !tbaa !9
  %21 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %20, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1453, ptr noundef @__FUNCTION__.asn1_ia5_string_to_der_ex) #3
  br label %22

22:                                               ; preds = %19
  br label %23

23:                                               ; preds = %22
  store i32 -1, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %44

24:                                               ; preds = %5
  %25 = load i32, ptr %7, align 4, !tbaa !5
  %26 = load ptr, ptr %8, align 8, !tbaa !9
  %27 = load i64, ptr %9, align 8, !tbaa !11
  %28 = load ptr, ptr %10, align 8, !tbaa !9
  %29 = load ptr, ptr %11, align 8, !tbaa !9
  %30 = call i32 @asn1_type_to_der(i32 noundef %25, ptr noundef %26, i64 noundef %27, ptr noundef %28, ptr noundef %29)
  store i32 %30, ptr %12, align 4, !tbaa !5
  %31 = icmp ne i32 %30, 1
  br i1 %31, label %32, label %43

32:                                               ; preds = %24
  %33 = load i32, ptr %12, align 4, !tbaa !5
  %34 = icmp ne i32 %33, 0
  br i1 %34, label %35, label %41

35:                                               ; preds = %32
  br label %36

36:                                               ; preds = %35
  %37 = load ptr, ptr @stderr, align 8, !tbaa !9
  %38 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %37, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1457, ptr noundef @__FUNCTION__.asn1_ia5_string_to_der_ex) #3
  br label %39

39:                                               ; preds = %36
  br label %40

40:                                               ; preds = %39
  br label %41

41:                                               ; preds = %40, %32
  %42 = load i32, ptr %12, align 4, !tbaa !5
  store i32 %42, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %44

43:                                               ; preds = %24
  store i32 1, ptr %6, align 4
  store i32 1, ptr %13, align 4
  br label %44

44:                                               ; preds = %43, %41, %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  %45 = load i32, ptr %6, align 4
  ret i32 %45
}

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [58 x i8], align 1
@__FUNCTION__.asn1_ia5_string_to_der_ex = external hidden unnamed_addr constant [26 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
declare dso_local i32 @asn1_type_to_der(i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @asn1_string_is_ia5_string(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @asn1_ia5_string_to_der_ex(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4) local_unnamed_addr #1 {
  %6 = tail call i32 @asn1_string_is_ia5_string(ptr noundef %1, i64 noundef %2)
  %.not = icmp eq i32 %6, 1
  br i1 %.not, label %7, label %.sink.split

7:                                                ; preds = %5
  %8 = tail call i32 @asn1_type_to_der(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4)
  %switch = icmp ult i32 %8, 2
  br i1 %switch, label %11, label %.sink.split

.sink.split:                                      ; preds = %7, %5
  %.sink12 = phi i32 [ 1453, %5 ], [ 1457, %7 ]
  %.0.ph = phi i32 [ -1, %5 ], [ %8, %7 ]
  %9 = load ptr, ptr @stderr, align 8, !tbaa !5
  %10 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink12, ptr noundef nonnull @__FUNCTION__.asn1_ia5_string_to_der_ex) #2
  br label %11

11:                                               ; preds = %7, %.sink.split
  %.0 = phi i32 [ %8, %7 ], [ %.0.ph, %.sink.split ]
  ret i32 %.0
}

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 = { 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: CorrelatedValuePropagationPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass