; 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_rdn_print = external hidden unnamed_addr constant [15 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [22 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_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_attr_type_and_value_print(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_rdn_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 i32, ptr %9, align 4, !tbaa !9
  %18 = and i32 %17, 1
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %28

20:                                               ; preds = %6
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = load i32, ptr %10, align 4, !tbaa !9
  %24 = load ptr, ptr %11, align 8, !tbaa !5
  %25 = call i32 (ptr, i32, i32, ptr, ...) @format_print(ptr noundef %21, i32 noundef %22, i32 noundef %23, ptr noundef @.str.5, ptr noundef %24)
  %26 = load i32, ptr %10, align 4, !tbaa !9
  %27 = add nsw i32 %26, 4
  store i32 %27, ptr %10, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %20, %6
  %29 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef %14, ptr noundef %15, ptr noundef %12, ptr noundef %13)
  %30 = icmp ne i32 %29, 1
  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.3, ptr noundef @.str.4, i32 noundef 680, ptr noundef @__FUNCTION__.x509_rdn_print) #4
  br label %35

35:                                               ; preds = %32
  br label %36

36:                                               ; preds = %35
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %65

37:                                               ; preds = %28
  %38 = load ptr, ptr %8, align 8, !tbaa !5
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = load i32, ptr %10, align 4, !tbaa !9
  %41 = load ptr, ptr %14, align 8, !tbaa !5
  %42 = load i64, ptr %15, align 8, !tbaa !11
  %43 = call i32 @x509_attr_type_and_value_print(ptr noundef %38, i32 noundef %39, i32 noundef %40, ptr noundef @.str.11, ptr noundef %41, i64 noundef %42)
  br label %44

44:                                               ; preds = %56, %37
  %45 = load i64, ptr %13, align 8, !tbaa !11
  %46 = icmp ne i64 %45, 0
  br i1 %46, label %47, label %64

47:                                               ; preds = %44
  %48 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef %14, ptr noundef %15, ptr noundef %12, ptr noundef %13)
  %49 = icmp ne i32 %48, 1
  br i1 %49, label %50, label %56

50:                                               ; preds = %47
  br label %51

51:                                               ; preds = %50
  %52 = load ptr, ptr @stderr, align 8, !tbaa !5
  %53 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %52, ptr noundef @.str.3, ptr noundef @.str.4, i32 noundef 686, ptr noundef @__FUNCTION__.x509_rdn_print) #4
  br label %54

54:                                               ; preds = %51
  br label %55

55:                                               ; preds = %54
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %65

56:                                               ; preds = %47
  %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 = add nsw i32 %59, 4
  %61 = load ptr, ptr %14, align 8, !tbaa !5
  %62 = load i64, ptr %15, align 8, !tbaa !11
  %63 = call i32 @x509_attr_type_and_value_print(ptr noundef %57, i32 noundef %58, i32 noundef %60, ptr noundef @.str.11, ptr noundef %61, i64 noundef %62)
  br label %44, !llvm.loop !13

64:                                               ; preds = %44
  store i32 1, ptr %7, align 4
  store i32 1, ptr %16, align 4
  br label %65

65:                                               ; preds = %64, %55, %36
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  %66 = load i32, ptr %7, align 4
  ret i32 %66
}

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_rdn_print = external hidden unnamed_addr constant [15 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [22 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_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_attr_type_and_value_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_rdn_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
  %11 = and i32 %1, 1
  %.not = icmp eq i32 %11, 0
  br i1 %.not, label %15, label %12

12:                                               ; preds = %6
  %13 = 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 %3) #4
  %14 = add nsw i32 %2, 4
  br label %15

15:                                               ; preds = %12, %6
  %.012 = phi i32 [ %14, %12 ], [ %2, %6 ]
  %16 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not13 = icmp eq i32 %16, 1
  br i1 %.not13, label %17, label %.loopexit.sink.split

17:                                               ; preds = %15
  %18 = load ptr, ptr %9, align 8, !tbaa !5
  %19 = load i64, ptr %10, align 8, !tbaa !9
  %20 = call i32 @x509_attr_type_and_value_print(ptr noundef %0, i32 noundef %1, i32 noundef %.012, ptr noundef nonnull @.str.11, ptr noundef %18, i64 noundef %19)
  %21 = load i64, ptr %8, align 8, !tbaa !9
  %.not1416 = icmp eq i64 %21, 0
  br i1 %.not1416, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %17
  %22 = add nsw i32 %.012, 4
  br label %23

23:                                               ; preds = %.lr.ph, %25
  %24 = call i32 @asn1_type_from_der(i32 noundef 48, ptr noundef nonnull %9, ptr noundef nonnull %10, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not15 = icmp eq i32 %24, 1
  br i1 %.not15, label %25, label %.loopexit.sink.split

25:                                               ; preds = %23
  %26 = load ptr, ptr %9, align 8, !tbaa !5
  %27 = load i64, ptr %10, align 8, !tbaa !9
  %28 = call i32 @x509_attr_type_and_value_print(ptr noundef %0, i32 noundef %1, i32 noundef %22, ptr noundef nonnull @.str.11, ptr noundef %26, i64 noundef %27)
  %29 = load i64, ptr %8, align 8, !tbaa !9
  %.not14 = icmp eq i64 %29, 0
  br i1 %.not14, label %.loopexit, label %23, !llvm.loop !11

.loopexit.sink.split:                             ; preds = %23, %15
  %.sink17 = phi i32 [ 680, %15 ], [ 686, %23 ]
  %30 = load ptr, ptr @stderr, align 8, !tbaa !5
  %31 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %30, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, i32 noundef %.sink17, ptr noundef nonnull @__FUNCTION__.x509_rdn_print) #5
  br label %.loopexit

.loopexit:                                        ; preds = %25, %.loopexit.sink.split, %17
  %.0 = phi i32 [ 1, %17 ], [ -1, %.loopexit.sink.split ], [ 1, %25 ]
  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: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass