; LLVM IR from guanzhi/GmSSL :: src (x509_ext)

; 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_basic_constraints_to_der = external hidden unnamed_addr constant [30 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_boolean_to_der_ex(i32 noundef, i32 noundef, ptr noundef, ptr noundef) #2

declare i32 @asn1_header_to_der(i32 noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @x509_basic_constraints_to_der(i32 noundef %0, i32 noundef %1, ptr noundef %2, ptr noundef %3) #3 {
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  store i32 %0, ptr %6, align 4, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !9
  store ptr %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  store i64 0, ptr %10, align 8, !tbaa !11
  %12 = load i32, ptr %6, align 4, !tbaa !5
  %13 = icmp eq i32 %12, -1
  br i1 %13, label %14, label %23

14:                                               ; preds = %4
  %15 = load i32, ptr %7, align 4, !tbaa !5
  %16 = icmp eq i32 %15, -1
  br i1 %16, label %17, label %23

17:                                               ; preds = %14
  br label %18

18:                                               ; preds = %17
  %19 = load ptr, ptr @stderr, align 8, !tbaa !9
  %20 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %19, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 1993, ptr noundef @__FUNCTION__.x509_basic_constraints_to_der) #4
  br label %21

21:                                               ; preds = %18
  br label %22

22:                                               ; preds = %21
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %56

23:                                               ; preds = %14, %4
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = call i32 @asn1_boolean_to_der_ex(i32 noundef 1, i32 noundef %24, ptr noundef null, ptr noundef %10)
  %26 = icmp slt i32 %25, 0
  br i1 %26, label %49, label %27

27:                                               ; preds = %23
  %28 = load i32, ptr %7, align 4, !tbaa !5
  %29 = call i32 @asn1_int_to_der_ex(i32 noundef 2, i32 noundef %28, ptr noundef null, ptr noundef %10)
  %30 = icmp slt i32 %29, 0
  br i1 %30, label %49, label %31

31:                                               ; preds = %27
  %32 = load i64, ptr %10, align 8, !tbaa !11
  %33 = load ptr, ptr %8, align 8, !tbaa !9
  %34 = load ptr, ptr %9, align 8, !tbaa !9
  %35 = call i32 @asn1_header_to_der(i32 noundef 48, i64 noundef %32, ptr noundef %33, ptr noundef %34)
  %36 = icmp ne i32 %35, 1
  br i1 %36, label %49, label %37

37:                                               ; preds = %31
  %38 = load i32, ptr %6, align 4, !tbaa !5
  %39 = load ptr, ptr %8, align 8, !tbaa !9
  %40 = load ptr, ptr %9, align 8, !tbaa !9
  %41 = call i32 @asn1_boolean_to_der_ex(i32 noundef 1, i32 noundef %38, ptr noundef %39, ptr noundef %40)
  %42 = icmp slt i32 %41, 0
  br i1 %42, label %49, label %43

43:                                               ; preds = %37
  %44 = load i32, ptr %7, align 4, !tbaa !5
  %45 = load ptr, ptr %8, align 8, !tbaa !9
  %46 = load ptr, ptr %9, align 8, !tbaa !9
  %47 = call i32 @asn1_int_to_der_ex(i32 noundef 2, i32 noundef %44, ptr noundef %45, ptr noundef %46)
  %48 = icmp slt i32 %47, 0
  br i1 %48, label %49, label %55

49:                                               ; preds = %43, %37, %31, %27, %23
  br label %50

50:                                               ; preds = %49
  %51 = load ptr, ptr @stderr, align 8, !tbaa !9
  %52 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %51, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 2001, ptr noundef @__FUNCTION__.x509_basic_constraints_to_der) #4
  br label %53

53:                                               ; preds = %50
  br label %54

54:                                               ; preds = %53
  store i32 -1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %56

55:                                               ; preds = %43
  store i32 1, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %56

56:                                               ; preds = %55, %54, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  %57 = load i32, ptr %5, align 4
  ret i32 %57
}

declare i32 @asn1_int_to_der_ex(i32 noundef, i32 noundef, ptr noundef, ptr noundef) #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 = !{!"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_basic_constraints_to_der = external hidden unnamed_addr constant [30 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_boolean_to_der_ex(i32 noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @asn1_header_to_der(i32 noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @x509_basic_constraints_to_der(i32 noundef %0, i32 noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #3 {
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  store i64 0, ptr %5, align 8, !tbaa !5
  %6 = and i32 %1, %0
  %or.cond = icmp eq i32 %6, -1
  br i1 %or.cond, label %7, label %10

7:                                                ; preds = %4
  %8 = load ptr, ptr @stderr, align 8, !tbaa !9
  %9 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %8, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 1993, ptr noundef nonnull @__FUNCTION__.x509_basic_constraints_to_der) #5
  br label %28

10:                                               ; preds = %4
  %11 = call i32 @asn1_boolean_to_der_ex(i32 noundef 1, i32 noundef %0, ptr noundef null, ptr noundef nonnull %5) #4
  %12 = icmp slt i32 %11, 0
  br i1 %12, label %25, label %13

13:                                               ; preds = %10
  %14 = call i32 @asn1_int_to_der_ex(i32 noundef 2, i32 noundef %1, ptr noundef null, ptr noundef nonnull %5) #4
  %15 = icmp slt i32 %14, 0
  br i1 %15, label %25, label %16

16:                                               ; preds = %13
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = call i32 @asn1_header_to_der(i32 noundef 48, i64 noundef %17, ptr noundef %2, ptr noundef %3) #4
  %.not = icmp eq i32 %18, 1
  br i1 %.not, label %19, label %25

19:                                               ; preds = %16
  %20 = call i32 @asn1_boolean_to_der_ex(i32 noundef 1, i32 noundef %0, ptr noundef %2, ptr noundef %3) #4
  %21 = icmp slt i32 %20, 0
  br i1 %21, label %25, label %22

22:                                               ; preds = %19
  %23 = call i32 @asn1_int_to_der_ex(i32 noundef 2, i32 noundef %1, ptr noundef %2, ptr noundef %3) #4
  %24 = icmp slt i32 %23, 0
  br i1 %24, label %25, label %28

25:                                               ; preds = %10, %13, %16, %19, %22
  %26 = load ptr, ptr @stderr, align 8, !tbaa !9
  %27 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %26, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 2001, ptr noundef nonnull @__FUNCTION__.x509_basic_constraints_to_der) #5
  br label %28

28:                                               ; preds = %22, %25, %7
  %.0 = phi i32 [ -1, %7 ], [ -1, %25 ], [ 1, %22 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  ret i32 %.0
}

declare i32 @asn1_int_to_der_ex(i32 noundef, i32 noundef, ptr noundef, ptr noundef) 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 = !{!"long", !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}


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