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

; 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"

%struct.ASN1_OID_INFO = type { i32, ptr, ptr, i64, i32, ptr }

@cms_content_types = external hidden constant [6 x %struct.ASN1_OID_INFO], align 16
@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [57 x i8], align 1
@__FUNCTION__.cms_content_type_from_der = 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

; Function Attrs: nounwind uwtable
define dso_local i32 @cms_content_type_from_der(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = call i32 @asn1_oid_info_from_der(ptr noundef %9, ptr noundef @cms_content_types, i64 noundef 6, ptr noundef %11, ptr noundef %12)
  store i32 %13, ptr %8, align 4, !tbaa !9
  %14 = icmp ne i32 %13, 1
  br i1 %14, label %15, label %28

15:                                               ; preds = %3
  %16 = load i32, ptr %8, align 4, !tbaa !9
  %17 = icmp slt i32 %16, 0
  br i1 %17, label %18, label %24

18:                                               ; preds = %15
  br label %19

19:                                               ; preds = %18
  %20 = load ptr, ptr @stderr, align 8, !tbaa !5
  %21 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %20, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 96, ptr noundef @__FUNCTION__.cms_content_type_from_der) #4
  br label %22

22:                                               ; preds = %19
  br label %23

23:                                               ; preds = %22
  br label %26

24:                                               ; preds = %15
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 -1, ptr %25, align 4, !tbaa !9
  br label %26

26:                                               ; preds = %24, %23
  %27 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %27, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %33

28:                                               ; preds = %3
  %29 = load ptr, ptr %9, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.ASN1_OID_INFO, ptr %29, i32 0, i32 0
  %31 = load i32, ptr %30, align 8, !tbaa !11
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  store i32 %31, ptr %32, align 4, !tbaa !9
  store i32 1, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %33

33:                                               ; preds = %28, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  %34 = load i32, ptr %4, align 4
  ret i32 %34
}

declare i32 @asn1_oid_info_from_der(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) #3

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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"", !10, i64 0, !6, i64 8, !6, i64 16, !13, i64 24, !10, i64 32, !6, i64 40}
!13 = !{!"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"

%struct.ASN1_OID_INFO = type { i32, ptr, ptr, i64, i32, ptr }

@cms_content_types = external hidden constant [6 x %struct.ASN1_OID_INFO], align 16
@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 [57 x i8], align 1
@__FUNCTION__.cms_content_type_from_der = 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

; Function Attrs: nounwind uwtable
define dso_local i32 @cms_content_type_from_der(ptr nocapture noundef writeonly %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #2 {
  %4 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %5 = call i32 @asn1_oid_info_from_der(ptr noundef nonnull %4, ptr noundef nonnull @cms_content_types, i64 noundef 6, ptr noundef %1, ptr noundef %2) #4
  %.not = icmp eq i32 %5, 1
  br i1 %.not, label %12, label %6

6:                                                ; preds = %3
  %7 = icmp slt i32 %5, 0
  br i1 %7, label %8, label %11

8:                                                ; preds = %6
  %9 = load ptr, ptr @stderr, align 8, !tbaa !5
  %10 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 96, ptr noundef nonnull @__FUNCTION__.cms_content_type_from_der) #5
  br label %15

11:                                               ; preds = %6
  store i32 -1, ptr %0, align 4, !tbaa !9
  br label %15

12:                                               ; preds = %3
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = load i32, ptr %13, align 8, !tbaa !11
  store i32 %14, ptr %0, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %8, %11, %12
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret i32 %5
}

declare i32 @asn1_oid_info_from_der(ptr noundef, ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

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 = !{!"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, !10, i64 0}
!12 = !{!"", !10, i64 0, !6, i64 8, !6, i64 16, !13, i64 24, !10, i64 32, !6, i64 40}
!13 = !{!"long", !7, i64 0}


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