; LLVM IR from guanzhi/GmSSL :: src (x509_crl)

; 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 [62 x i8], align 1
@__FUNCTION__.x509_cert_issuer_ext_to_der = external hidden unnamed_addr constant [28 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 @x509_crl_entry_ext_to_der(i32 noundef, i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #2

declare i32 @asn1_type_to_der(i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #3

declare i32 @asn1_length_le(i64 noundef, i64 noundef) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_cert_issuer_ext_to_der(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 [256 x i8], align 16
  %14 = alloca ptr, align 8
  %15 = alloca i64, align 8
  %16 = 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) #4
  store i32 70, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 256, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %17 = getelementptr inbounds [256 x i8], ptr %13, i64 0, i64 0
  store ptr %17, ptr %14, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  store i64 0, ptr %15, align 8, !tbaa !11
  %18 = load i64, ptr %9, align 8, !tbaa !11
  %19 = icmp eq i64 %18, 0
  br i1 %19, label %20, label %21

20:                                               ; preds = %5
  store i32 0, ptr %6, align 4
  store i32 1, ptr %16, align 4
  br label %57

21:                                               ; preds = %5
  %22 = load ptr, ptr %8, align 8, !tbaa !9
  %23 = load i64, ptr %9, align 8, !tbaa !11
  %24 = call i32 @asn1_type_to_der(i32 noundef 48, ptr noundef %22, i64 noundef %23, ptr noundef null, ptr noundef %15)
  %25 = icmp ne i32 %24, 1
  br i1 %25, label %30, label %26

26:                                               ; preds = %21
  %27 = load i64, ptr %15, align 8, !tbaa !11
  %28 = call i32 @asn1_length_le(i64 noundef %27, i64 noundef 256)
  %29 = icmp ne i32 %28, 1
  br i1 %29, label %30, label %36

30:                                               ; preds = %26, %21
  br label %31

31:                                               ; preds = %30
  %32 = load ptr, ptr @stderr, align 8, !tbaa !9
  %33 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %32, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 286, ptr noundef @__FUNCTION__.x509_cert_issuer_ext_to_der) #4
  br label %34

34:                                               ; preds = %31
  br label %35

35:                                               ; preds = %34
  store i32 -1, ptr %6, align 4
  store i32 1, ptr %16, align 4
  br label %57

36:                                               ; preds = %26
  store i64 0, ptr %15, align 8, !tbaa !11
  %37 = load ptr, ptr %8, align 8, !tbaa !9
  %38 = load i64, ptr %9, align 8, !tbaa !11
  %39 = call i32 @asn1_type_to_der(i32 noundef 48, ptr noundef %37, i64 noundef %38, ptr noundef %14, ptr noundef %15)
  %40 = icmp ne i32 %39, 1
  br i1 %40, label %50, label %41

41:                                               ; preds = %36
  %42 = load i32, ptr %12, align 4, !tbaa !5
  %43 = load i32, ptr %7, align 4, !tbaa !5
  %44 = getelementptr inbounds [256 x i8], ptr %13, i64 0, i64 0
  %45 = load i64, ptr %15, align 8, !tbaa !11
  %46 = load ptr, ptr %10, align 8, !tbaa !9
  %47 = load ptr, ptr %11, align 8, !tbaa !9
  %48 = call i32 @x509_crl_entry_ext_to_der(i32 noundef %42, i32 noundef %43, ptr noundef %44, i64 noundef %45, ptr noundef %46, ptr noundef %47)
  %49 = icmp ne i32 %48, 1
  br i1 %49, label %50, label %56

50:                                               ; preds = %41, %36
  br label %51

51:                                               ; preds = %50
  %52 = load ptr, ptr @stderr, align 8, !tbaa !9
  %53 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %52, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 292, ptr noundef @__FUNCTION__.x509_cert_issuer_ext_to_der) #4
  br label %54

54:                                               ; preds = %51
  br label %55

55:                                               ; preds = %54
  store i32 -1, ptr %6, align 4
  store i32 1, ptr %16, align 4
  br label %57

56:                                               ; preds = %41
  store i32 1, ptr %6, align 4
  store i32 1, ptr %16, align 4
  br label %57

57:                                               ; preds = %56, %55, %35, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 256, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  %58 = load i32, ptr %6, align 4
  ret i32 %58
}

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 = { "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 = !{!"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 [62 x i8], align 1
@__FUNCTION__.x509_cert_issuer_ext_to_der = external hidden unnamed_addr constant [28 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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress 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 @x509_crl_entry_ext_to_der(i32 noundef, i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @asn1_type_to_der(i32 noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

declare i32 @asn1_length_le(i64 noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_cert_issuer_ext_to_der(i32 noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, ptr noundef %4) local_unnamed_addr #2 {
  %6 = alloca [256 x i8], align 16
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 256, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  store ptr %6, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  store i64 0, ptr %8, align 8, !tbaa !9
  %9 = icmp eq i64 %2, 0
  br i1 %9, label %22, label %10

10:                                               ; preds = %5
  %11 = call i32 @asn1_type_to_der(i32 noundef 48, ptr noundef %1, i64 noundef %2, ptr noundef null, ptr noundef nonnull %8) #4
  %.not = icmp eq i32 %11, 1
  br i1 %.not, label %12, label %.sink.split

12:                                               ; preds = %10
  %13 = load i64, ptr %8, align 8, !tbaa !9
  %14 = call i32 @asn1_length_le(i64 noundef %13, i64 noundef 256) #4
  %.not10 = icmp eq i32 %14, 1
  br i1 %.not10, label %15, label %.sink.split

15:                                               ; preds = %12
  store i64 0, ptr %8, align 8, !tbaa !9
  %16 = call i32 @asn1_type_to_der(i32 noundef 48, ptr noundef %1, i64 noundef %2, ptr noundef nonnull %7, ptr noundef nonnull %8) #4
  %.not11 = icmp eq i32 %16, 1
  br i1 %.not11, label %17, label %.sink.split

17:                                               ; preds = %15
  %18 = load i64, ptr %8, align 8, !tbaa !9
  %19 = call i32 @x509_crl_entry_ext_to_der(i32 noundef 70, i32 noundef %0, ptr noundef nonnull %6, i64 noundef %18, ptr noundef %3, ptr noundef %4)
  %.not12 = icmp eq i32 %19, 1
  br i1 %.not12, label %22, label %.sink.split

.sink.split:                                      ; preds = %17, %15, %12, %10
  %.sink13 = phi i32 [ 286, %10 ], [ 286, %12 ], [ 292, %15 ], [ 292, %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 %.sink13, ptr noundef nonnull @__FUNCTION__.x509_cert_issuer_ext_to_der) #5
  br label %22

22:                                               ; preds = %.sink.split, %17, %5
  %.0 = phi i32 [ 0, %5 ], [ 1, %17 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 256, ptr nonnull %6) #4
  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 = { mustprogress 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 = { "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}


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