; LLVM IR from guanzhi/GmSSL :: src (x509_cer)

; 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.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [62 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1
@__FUNCTION__.x509_name_print = external hidden unnamed_addr constant [16 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [26 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_nonempty_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_rdn_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_name_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 i64, align 8
  %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 8, ptr %15) #4
  %17 = load ptr, ptr %11, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %27

19:                                               ; preds = %6
  %20 = load ptr, ptr %8, align 8, !tbaa !5
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = load ptr, ptr %11, align 8, !tbaa !5
  %24 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %20, i32 noundef %21, i32 noundef %22, ptr noundef @.str.5, ptr noundef %23)
  %25 = load i32, ptr %10, align 4, !tbaa !9
  %26 = add nsw i32 %25, 4
  store i32 %26, ptr %10, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %19, %6
  br label %28

28:                                               ; preds = %40, %27
  %29 = load i64, ptr %13, align 8, !tbaa !11
  %30 = icmp ne i64 %29, 0
  br i1 %30, label %31, label %47

31:                                               ; preds = %28
  %32 = call i32 @asn1_nonempty_type_from_der(i32 noundef 49, ptr noundef %14, ptr noundef %15, ptr noundef %12, ptr noundef %13)
  %33 = icmp ne i32 %32, 1
  br i1 %33, label %34, label %40

34:                                               ; preds = %31
  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.3, ptr noundef @.str.4, i32 noundef 882, ptr noundef @__FUNCTION__.x509_name_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 %16, align 4
  br label %48

40:                                               ; preds = %31
  %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 = load ptr, ptr %14, align 8, !tbaa !5
  %45 = load i64, ptr %15, align 8, !tbaa !11
  %46 = call i32 @x509_rdn_print(ptr noundef %41, i32 noundef %42, i32 noundef %43, ptr noundef @.str.12, ptr noundef %44, i64 noundef %45)
  br label %28, !llvm.loop !13

47:                                               ; preds = %28
  store i32 1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %48

48:                                               ; preds = %47, %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  %49 = load i32, ptr %7, align 4
  ret i32 %49
}

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 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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.3 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [62 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [4 x i8], align 1
@__FUNCTION__.x509_name_print = external hidden unnamed_addr constant [16 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [26 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_nonempty_type_from_der(i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_rdn_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_name_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 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 8, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %14, label %11

11:                                               ; preds = %6
  %12 = tail call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull @.str.5, ptr noundef nonnull %3) #4
  %13 = add nsw i32 %2, 4
  br label %14

14:                                               ; preds = %11, %6
  %.09 = phi i32 [ %13, %11 ], [ %2, %6 ]
  %.not1113 = icmp eq i64 %5, 0
  br i1 %.not1113, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %14, %19
  %15 = call i32 @asn1_nonempty_type_from_der(i32 noundef 49, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not12 = icmp eq i32 %15, 1
  br i1 %.not12, label %19, label %16

16:                                               ; preds = %.lr.ph
  %17 = load ptr, ptr @stderr, align 8, !tbaa !5
  %18 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %17, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, i32 noundef 882, ptr noundef nonnull @__FUNCTION__.x509_name_print) #5
  br label %.loopexit

19:                                               ; preds = %.lr.ph
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  %21 = load i64, ptr %10, align 8, !tbaa !9
  %22 = call i32 @x509_rdn_print(ptr noundef %0, i32 noundef %1, i32 noundef %.09, ptr noundef nonnull @.str.12, ptr noundef %20, i64 noundef %21)
  %23 = load i64, ptr %8, align 8, !tbaa !9
  %.not11 = icmp eq i64 %23, 0
  br i1 %.not11, label %.loopexit, label %.lr.ph, !llvm.loop !11

.loopexit:                                        ; preds = %19, %14, %16
  %.0 = phi i32 [ -1, %16 ], [ 1, %14 ], [ 1, %19 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 8, 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}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass