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ctf: Do not warn for CTF not supported for GNU GIMPLE 

CTF is supported for C only.  Currently, a warning is emitted if the -gctf
command line option is specified for a non-C frontend.  This warning is also
used by the GCC testsuite framework - it skips adding -gctf to the list of
debug flags for automated testing, if CTF is not supported for the frontend.

The following warning, however, is not useful in case of LTO:

"lto1: note: CTF debug info requested, but not supported for ‘GNU GIMPLE’
frontend"

This patch disables the generation of the above warning for GNU GIMPLE.

gcc/ChangeLog:

	* toplev.c (process_options): Do not warn for GNU GIMPLE.
This commit is contained in:
Indu Bhagat 2021-10-07 12:09:14 -07:00
parent 0e90799071
commit ae2df1a347
1 changed files with 7 additions and 5 deletions
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12
gcc/toplev.c
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@ -1408,14 +1408,16 @@ process_options (bool no_backend)
debug_info_level = DINFO_LEVEL_NONE;
}
/* CTF is supported for only C at this time.
Compiling with -flto results in frontend language of GNU GIMPLE. */
/* CTF is supported for only C at this time. */
if (!lang_GNU_C ()
&& ctf_debug_info_level > CTFINFO_LEVEL_NONE)
{
inform (UNKNOWN_LOCATION,
"CTF debug info requested, but not supported for %qs frontend",
language_string);
/* Compiling with -flto results in frontend language of GNU GIMPLE. It
is not useful to warn in that case. */
if (!startswith (lang_hooks.name, "GNU GIMPLE"))
inform (UNKNOWN_LOCATION,
"CTF debug info requested, but not supported for %qs frontend",
language_string);
ctf_debug_info_level = CTFINFO_LEVEL_NONE;
}