; 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_exts_add_subject_key_identifier = external hidden unnamed_addr constant [37 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

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_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_exts_add_subject_key_identifier(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, ptr noundef %4, i64 noundef %5) #2 {
  %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
  %12 = alloca ptr, align 8
  %13 = alloca i64, align 8
  %14 = alloca i32, align 4
  %15 = alloca i64, align 8
  %16 = alloca [96 x i8], align 16
  %17 = alloca ptr, align 8
  %18 = alloca i64, align 8
  %19 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store ptr %1, ptr %9, align 8, !tbaa !5
  store i64 %2, ptr %10, align 8, !tbaa !9
  store i32 %3, ptr %11, align 4, !tbaa !11
  store ptr %4, ptr %12, align 8, !tbaa !5
  store i64 %5, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  store i32 45, ptr %14, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  %21 = load i64, ptr %20, align 8, !tbaa !9
  store i64 %21, ptr %15, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 96, ptr %16) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %22 = getelementptr inbounds [96 x i8], ptr %16, i64 0, i64 0
  store ptr %22, ptr %17, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  store i64 0, ptr %18, align 8, !tbaa !9
  %23 = load i64, ptr %13, align 8, !tbaa !9
  %24 = icmp eq i64 %23, 0
  br i1 %24, label %25, label %26

25:                                               ; preds = %6
  store i32 0, ptr %7, align 4
  store i32 1, ptr %19, align 4
  br label %74

26:                                               ; preds = %6
  %27 = load i64, ptr %13, align 8, !tbaa !9
  %28 = icmp ult i64 %27, 16
  br i1 %28, label %32, label %29

29:                                               ; preds = %26
  %30 = load i64, ptr %13, align 8, !tbaa !9
  %31 = icmp ugt i64 %30, 64
  br i1 %31, label %32, label %38

32:                                               ; preds = %29, %26
  br label %33

33:                                               ; preds = %32
  %34 = load ptr, ptr @stderr, align 8, !tbaa !5
  %35 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %34, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 386, ptr noundef @__FUNCTION__.x509_exts_add_subject_key_identifier) #4
  br label %36

36:                                               ; preds = %33
  br label %37

37:                                               ; preds = %36
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %19, align 4
  br label %74

38:                                               ; preds = %29
  %39 = load ptr, ptr %9, align 8, !tbaa !5
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = load ptr, ptr %8, align 8, !tbaa !5
  %42 = getelementptr inbounds i8, ptr %41, i64 %40
  store ptr %42, ptr %8, align 8, !tbaa !5
  %43 = load ptr, ptr %12, align 8, !tbaa !5
  %44 = load i64, ptr %13, align 8, !tbaa !9
  %45 = call i32 @asn1_type_to_der(i32 noundef 4, ptr noundef %43, i64 noundef %44, ptr noundef %17, ptr noundef %18)
  %46 = icmp ne i32 %45, 1
  br i1 %46, label %67, label %47

47:                                               ; preds = %38
  %48 = load i32, ptr %14, align 4, !tbaa !11
  %49 = load i32, ptr %11, align 4, !tbaa !11
  %50 = getelementptr inbounds [96 x i8], ptr %16, i64 0, i64 0
  %51 = load i64, ptr %18, align 8, !tbaa !9
  %52 = call i32 @x509_ext_to_der(i32 noundef %48, i32 noundef %49, ptr noundef %50, i64 noundef %51, ptr noundef null, ptr noundef %15)
  %53 = icmp ne i32 %52, 1
  br i1 %53, label %67, label %54

54:                                               ; preds = %47
  %55 = load i64, ptr %15, align 8, !tbaa !9
  %56 = load i64, ptr %10, align 8, !tbaa !9
  %57 = call i32 @asn1_length_le(i64 noundef %55, i64 noundef %56)
  %58 = icmp ne i32 %57, 1
  br i1 %58, label %67, label %59

59:                                               ; preds = %54
  %60 = load i32, ptr %14, align 4, !tbaa !11
  %61 = load i32, ptr %11, align 4, !tbaa !11
  %62 = getelementptr inbounds [96 x i8], ptr %16, i64 0, i64 0
  %63 = load i64, ptr %18, align 8, !tbaa !9
  %64 = load ptr, ptr %9, align 8, !tbaa !5
  %65 = call i32 @x509_ext_to_der(i32 noundef %60, i32 noundef %61, ptr noundef %62, i64 noundef %63, ptr noundef %8, ptr noundef %64)
  %66 = icmp ne i32 %65, 1
  br i1 %66, label %67, label %73

67:                                               ; preds = %59, %54, %47, %38
  br label %68

68:                                               ; preds = %67
  %69 = load ptr, ptr @stderr, align 8, !tbaa !5
  %70 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %69, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 395, ptr noundef @__FUNCTION__.x509_exts_add_subject_key_identifier) #4
  br label %71

71:                                               ; preds = %68
  br label %72

72:                                               ; preds = %71
  store i32 -1, ptr %7, align 4
  store i32 1, ptr %19, align 4
  br label %74

73:                                               ; preds = %59
  store i32 1, ptr %7, align 4
  store i32 1, ptr %19, align 4
  br label %74

74:                                               ; preds = %73, %72, %37, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 96, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  %75 = load i32, ptr %7, align 4
  ret i32 %75
}

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 = { 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 = !{!"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 = !{!12, !12, i64 0}
!12 = !{!"int", !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_exts_add_subject_key_identifier = external hidden unnamed_addr constant [37 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

; Function Attrs: nounwind uwtable
declare dso_local i32 @x509_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_exts_add_subject_key_identifier(ptr noundef %0, ptr noundef %1, i64 noundef %2, i32 noundef %3, ptr noundef %4, i64 noundef %5) local_unnamed_addr #2 {
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca [96 x i8], align 16
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %12 = load i64, ptr %1, align 8, !tbaa !5
  store i64 %12, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %9) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  store ptr %9, ptr %10, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  store i64 0, ptr %11, align 8, !tbaa !5
  %13 = icmp eq i64 %5, 0
  br i1 %13, label %30, label %14

14:                                               ; preds = %6
  %15 = add i64 %5, -65
  %or.cond = icmp ult i64 %15, -49
  br i1 %or.cond, label %.sink.split, label %16

16:                                               ; preds = %14
  %17 = getelementptr inbounds i8, ptr %0, i64 %12
  store ptr %17, ptr %7, align 8, !tbaa !9
  %18 = call i32 @asn1_type_to_der(i32 noundef 4, ptr noundef %4, i64 noundef %5, ptr noundef nonnull %10, ptr noundef nonnull %11) #4
  %.not = icmp eq i32 %18, 1
  br i1 %.not, label %19, label %.sink.split

19:                                               ; preds = %16
  %20 = load i64, ptr %11, align 8, !tbaa !5
  %21 = call i32 @x509_ext_to_der(i32 noundef 45, i32 noundef %3, ptr noundef nonnull %9, i64 noundef %20, ptr noundef null, ptr noundef nonnull %8)
  %.not15 = icmp eq i32 %21, 1
  br i1 %.not15, label %22, label %.sink.split

22:                                               ; preds = %19
  %23 = load i64, ptr %8, align 8, !tbaa !5
  %24 = call i32 @asn1_length_le(i64 noundef %23, i64 noundef %2) #4
  %.not16 = icmp eq i32 %24, 1
  br i1 %.not16, label %25, label %.sink.split

25:                                               ; preds = %22
  %26 = load i64, ptr %11, align 8, !tbaa !5
  %27 = call i32 @x509_ext_to_der(i32 noundef 45, i32 noundef %3, ptr noundef nonnull %9, i64 noundef %26, ptr noundef nonnull %7, ptr noundef nonnull %1)
  %.not17 = icmp eq i32 %27, 1
  br i1 %.not17, label %30, label %.sink.split

.sink.split:                                      ; preds = %25, %22, %19, %16, %14
  %.sink18 = phi i32 [ 386, %14 ], [ 395, %16 ], [ 395, %19 ], [ 395, %22 ], [ 395, %25 ]
  %28 = load ptr, ptr @stderr, align 8, !tbaa !9
  %29 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %28, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef %.sink18, ptr noundef nonnull @__FUNCTION__.x509_exts_add_subject_key_identifier) #5
  br label %30

30:                                               ; preds = %.sink.split, %25, %6
  %.0 = phi i32 [ 0, %6 ], [ 1, %25 ], [ -1, %.sink.split ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #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 = { 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 = !{!"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: DSEPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass