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IPA MOD REF: add debug counter.

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gcc/ChangeLog:

	* dbgcnt.def (DEBUG_COUNTER): Add ipa_mod_ref debug counter.
	* tree-ssa-alias.c (modref_may_conflict): Handle the counter.
This commit is contained in:
Martin Liska 2020-10-08 13:16:05 +02:00
parent 532e882f88
commit e4ee51ebcf
2 changed files with 5 additions and 0 deletions
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1
gcc/dbgcnt.def
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@ -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)

4
gcc/tree-ssa-alias.c
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@ -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);