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opts: fix -gtoggle + optimize attribute

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Note -fvar-tracking is enabled automatically with OPT_LEVELS_1_PLUS and
so we need to drop it if we are called from optimize attribute and the
option is unset.

	PR middle-end/104381

gcc/ChangeLog:

	* opts.cc (finish_options): If debug info is disabled
	(debug_info_level) and -fvar-tracking is unset, disable it.

gcc/testsuite/ChangeLog:

	* gcc.dg/pr104381.c: New test.
This commit is contained in:
Martin Liska 2022-02-04 15:50:17 +01:00
parent 02b7dd7f82
commit 111754595c
2 changed files with 48 additions and 21 deletions
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49
gcc/opts.cc
View File

@ -1302,6 +1302,34 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set,
SET_OPTION_IF_UNSET (opts, opts_set, flag_vect_cost_model,
VECT_COST_MODEL_CHEAP);
if (flag_gtoggle)
{
/* Make sure to process -gtoggle only once. */
flag_gtoggle = false;
if (debug_info_level == DINFO_LEVEL_NONE)
{
debug_info_level = DINFO_LEVEL_NORMAL;
if (write_symbols == NO_DEBUG)
write_symbols = PREFERRED_DEBUGGING_TYPE;
}
else
debug_info_level = DINFO_LEVEL_NONE;
}
if (!OPTION_SET_P (debug_nonbind_markers_p))
debug_nonbind_markers_p
= (optimize
&& debug_info_level >= DINFO_LEVEL_NORMAL
&& dwarf_debuginfo_p ()
&& !(flag_selective_scheduling || flag_selective_scheduling2));
/* Note -fvar-tracking is enabled automatically with OPT_LEVELS_1_PLUS and
so we need to drop it if we are called from optimize attribute. */
if (debug_info_level == DINFO_LEVEL_NONE
&& !OPTION_SET_P (flag_var_tracking))
flag_var_tracking = false;
/* One could use EnabledBy, but it would lead to a circular dependency. */
if (!OPTION_SET_P (flag_var_tracking_uninit))
flag_var_tracking_uninit = flag_var_tracking;
@ -1328,27 +1356,6 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set,
profile_flag = 0;
}
if (flag_gtoggle)
{
/* Make sure to process -gtoggle only once. */
flag_gtoggle = false;
if (debug_info_level == DINFO_LEVEL_NONE)
{
debug_info_level = DINFO_LEVEL_NORMAL;
if (write_symbols == NO_DEBUG)
write_symbols = PREFERRED_DEBUGGING_TYPE;
}
else
debug_info_level = DINFO_LEVEL_NONE;
}
if (!OPTION_SET_P (debug_nonbind_markers_p))
debug_nonbind_markers_p
= (optimize
&& debug_info_level >= DINFO_LEVEL_NORMAL
&& dwarf_debuginfo_p ()
&& !(flag_selective_scheduling || flag_selective_scheduling2));
diagnose_options (opts, opts_set, loc);
}

20
gcc/testsuite/gcc.dg/pr104381.c Normal file
View File

@ -0,0 +1,20 @@
/* { dg-do compile } */
/* { dg-options "-O2 -g -gtoggle -fdump-tree-optimized" } */
int foo (int x)
{
int tem = x + 1;
int tem2 = tem - 1;
return tem2;
}
int
__attribute__((optimize("no-tree-pre")))
bar (int x)
{
int tem = x + 1;
int tem2 = tem - 1;
return tem2;
}
// { dg-final { scan-tree-dump-not "DEBUG " "optimized" } }