Hi,
this patch adds debug counters for pure/const discover and fixes
somewhat embarrasing pasto I made while breaking out ipa_make_function_*
helpers out of propagate_pure_const which led to wrong function being
marked as pure that in turn leads to wrong code.
My apologizes for that.
Bootstrapped/regtested x86_64-linux, comitted.
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.
diff --git a/gcc/dbgcnt.def b/gcc/dbgcnt.def
index 3a85665a1d7..f8a15f3d1d1 100644
--- a/gcc/dbgcnt.def
+++ b/gcc/dbgcnt.def
@@ -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)
diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c
index 5056850c0a8..a332940b55d 100644
--- a/gcc/ipa-pure-const.c
+++ b/gcc/ipa-pure-const.c
@@ -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:
