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Fix bug in ipa-pure-const and add debug counters 

gcc/ChangeLog:

	PR lto/103211
	* dbgcnt.def (ipa_attr): New counters.
	* ipa-pure-const.c: Include dbgcnt.c
	(ipa_make_function_const): Use debug counter.
	(ipa_make_function_pure): Likewise.
	(propagate_pure_const): Fix bug in my previous change.
This commit is contained in:
Jan Hubicka 2021-11-14 00:48:32 +01:00
parent e30bf33044
commit 6471396dec
2 changed files with 10 additions and 4 deletions
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1
gcc/dbgcnt.def
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@ -175,6 +175,7 @@ DEBUG_COUNTER (if_after_reload)
DEBUG_COUNTER (if_conversion)
DEBUG_COUNTER (if_conversion_tree)
DEBUG_COUNTER (if_to_switch)
DEBUG_COUNTER (ipa_attr)
DEBUG_COUNTER (ipa_cp_bits)
DEBUG_COUNTER (ipa_cp_values)
DEBUG_COUNTER (ipa_cp_vr)

13
gcc/ipa-pure-const.c
View File

@ -62,6 +62,7 @@ along with GCC; see the file COPYING3. If not see
#include "ipa-prop.h"
#include "ipa-fnsummary.h"
#include "symtab-thunks.h"
#include "dbgcnt.h"
/* Lattice values for const and pure functions. Everything starts out
being const, then may drop to pure and then neither depending on
@ -1476,8 +1477,10 @@ ipa_make_function_const (struct cgraph_node *node, bool looping, bool local)
fprintf (dump_file, "Function found to be %sconst: %s\n",
looping ? "looping " : "",
node->dump_name ());
if (!local)
if (!local && !looping)
cdtor = node->call_for_symbol_and_aliases (cdtor_p, NULL, true);
if (!dbg_cnt (ipa_attr))
return false;
if (node->set_const_flag (true, looping))
{
if (dump_file)
@ -1511,8 +1514,10 @@ ipa_make_function_pure (struct cgraph_node *node, bool looping, bool local)
fprintf (dump_file, "Function found to be %spure: %s\n",
looping ? "looping " : "",
node->dump_name ());
if (!local)
if (!local && !looping)
cdtor = node->call_for_symbol_and_aliases (cdtor_p, NULL, true);
if (!dbg_cnt (ipa_attr))
return false;
if (node->set_pure_flag (true, looping))
{
if (dump_file)
@ -1797,11 +1802,11 @@ propagate_pure_const (void)
switch (this_state)
{
case IPA_CONST:
remove_p |= ipa_make_function_const (node, this_looping, false);
remove_p |= ipa_make_function_const (w, this_looping, false);
break;
case IPA_PURE:
remove_p |= ipa_make_function_pure (node, this_looping, false);
remove_p |= ipa_make_function_pure (w, this_looping, false);
break;
default: