[PATCH] IPA MOD REF: add debug counter.
Martin Liška
mliska@suse.cz
Thu Oct 8 11:33:13 GMT 2020
I'm going to install the following tested patch.
Thanks,
Martin
gcc/ChangeLog:
* dbgcnt.def (DEBUG_COUNTER): Add ipa_mod_ref debug counter.
* tree-ssa-alias.c (modref_may_conflict): Handle the counter.
---
gcc/dbgcnt.def | 1 +
gcc/tree-ssa-alias.c | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/gcc/dbgcnt.def b/gcc/dbgcnt.def
index cf8775b2b66..07946a85ecc 100644
--- a/gcc/dbgcnt.def
+++ b/gcc/dbgcnt.def
@@ -171,6 +171,7 @@ DEBUG_COUNTER (if_after_reload)
DEBUG_COUNTER (if_conversion)
DEBUG_COUNTER (if_conversion_tree)
DEBUG_COUNTER (ipa_cp_bits)
+DEBUG_COUNTER (ipa_mod_ref)
DEBUG_COUNTER (ipa_sra_params)
DEBUG_COUNTER (ipa_sra_retvalues)
DEBUG_COUNTER (ira_move)
diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c
index 97dc4ac8814..d85f378a8ae 100644
--- a/gcc/tree-ssa-alias.c
+++ b/gcc/tree-ssa-alias.c
@@ -42,6 +42,7 @@ along with GCC; see the file COPYING3. If not see
#include "ipa-modref.h"
#include "attr-fnspec.h"
#include "errors.h"
+#include "dbgcnt.h"
/* Broad overview of how alias analysis on gimple works:
@@ -2470,6 +2471,9 @@ modref_may_conflict (const gimple *stmt,
if (tt->every_base)
return true;
+ if (!dbg_cnt (ipa_mod_ref))
+ return true;
+
base_set = ao_ref_base_alias_set (ref);
ref_set = ao_ref_alias_set (ref);
--
2.28.0
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