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Amend function names with UID when dumping with TDF_UID

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The following makes sure to amend more function names with the
associated DECL_UID when dumping with TDF_UID, in particular
function names printed as part of calls and in the function header.
That allows one to more easily follow the call flow of PR102528
where coroutines cause three clones of the name 'test2' that are
not distinguishable otherwise.

2021-10-05  Richard Biener  <rguenther@suse.de>

	* tree-cfg.c (dump_function_to_file): Dump the UID of the
	function as part of the name when requested.
	* tree-pretty-print.c (dump_function_name): Dump the UID when
	requested and the langhook produced the actual name.
This commit is contained in:
Richard Biener 2021-10-05 11:41:42 +02:00
parent 604459a095
commit eded910509
2 changed files with 21 additions and 4 deletions
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14
gcc/tree-cfg.c
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@ -8127,14 +8127,22 @@ dump_function_to_file (tree fndecl, FILE *file, dump_flags_t flags)
fprintf (file, ",%s(%" PRIu64 ")",
profile_quality_as_string (bb->count.quality ()),
bb->count.value ());
fprintf (file, ")\n%s (", function_name (fun));
if (dump_flags & TDF_UID)
fprintf (file, ")\n%sD_%u (", function_name (fun),
DECL_UID (fndecl));
else
fprintf (file, ")\n%s (", function_name (fun));
}
}
else
{
print_generic_expr (file, TREE_TYPE (fntype), dump_flags);
fprintf (file, " %s %s(", function_name (fun),
tmclone ? "[tm-clone] " : "");
if (dump_flags & TDF_UID)
fprintf (file, " %sD.%u %s(", function_name (fun), DECL_UID (fndecl),
tmclone ? "[tm-clone] " : "");
else
fprintf (file, " %s %s(", function_name (fun),
tmclone ? "[tm-clone] " : "");
}
arg = DECL_ARGUMENTS (fndecl);

11
gcc/tree-pretty-print.c
View File

@ -344,7 +344,16 @@ dump_function_name (pretty_printer *pp, tree node, dump_flags_t flags)
if (CONVERT_EXPR_P (node))
node = TREE_OPERAND (node, 0);
if (DECL_NAME (node) && (flags & TDF_ASMNAME) == 0)
pp_string (pp, lang_hooks.decl_printable_name (node, 1));
{
pp_string (pp, lang_hooks.decl_printable_name (node, 1));
if (flags & TDF_UID)
{
char uid_sep = (flags & TDF_GIMPLE) ? '_' : '.';
pp_character (pp, 'D');
pp_character (pp, uid_sep);
pp_scalar (pp, "%u", DECL_UID (node));
}
}
else
dump_decl_name (pp, node, flags);
}