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libctf: add ctf_forwardable_kind

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The internals of the deduplicator want to know if something is a type
that can have a forward to it fairly often, often enough that inlining
it brings a noticeable performance gain.  Convert the one place in
libctf that can already benefit, even though it doesn't bring any sort
of performance gain there.

libctf/
	* ctf-inlines.h (ctf_forwardable_kind): New.
	* ctf-create.c (ctf_add_forward): Use it.
This commit is contained in:
Nick Alcock 2020-06-03 13:23:42 +01:00
parent 2c9ca36be1
commit 9850ce4d7b
3 changed files with 12 additions and 1 deletions
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2
libctf/ctf-create.c
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@ -1241,7 +1241,7 @@ ctf_add_forward (ctf_file_t *fp, uint32_t flag, const char *name,
ctf_dtdef_t *dtd;
ctf_id_t type = 0;
if (kind != CTF_K_STRUCT && kind != CTF_K_UNION && kind != CTF_K_ENUM)
if (!ctf_forwardable_kind (kind))
return (ctf_set_errno (fp, ECTF_NOTSUE));
/* If the type is already defined or exists as a forward tag, just