Come up with fast {function,call}_summary classes (PR ipa/89306).

2019-02-18  Martin Liska  <mliska@suse.cz>

	PR ipa/89306
	* cgraph.c (symbol_table::create_edge): Set m_summary_id to -1
	by default.
	(symbol_table::free_edge): Recycle m_summary_id.
	* cgraph.h (get_summary_id): New.
	(symbol_table::release_symbol): Set m_summary_id to -1
	by default.
	(symbol_table::allocate_cgraph_symbol): Recycle m_summary_id.
	* ipa-fnsummary.c (ipa_fn_summary_t): Switch from
	function_summary to fast_function_summary.
	* ipa-fnsummary.h (ipa_fn_summary_t): Likewise.
	* ipa-pure-const.c (class funct_state_summary_t):
	Switch from function_summary to fast_function_summary.
	* ipa-reference.c (class ipa_ref_var_info_summary_t): Likewise.
	(class ipa_ref_opt_summary_t): Switch from function_summary
	to fast_function_summary.
	* symbol-summary.h (class function_summary_base): New class
	that is created from base of former function_summary.
	(function_summary_base::unregister_hooks): New.
	(class function_summary): Inherit from function_summary_base.
	(class call_summary_base): New class
	that is created from base of former call_summary.
	(class call_summary): Inherit from call_summary_base.
	(struct is_same): New.
	(class fast_function_summary): New summary class.
	(class fast_call_summary): New summary class.
	* vec.h (vec_safe_grow_cleared): New function.

From-SVN: r268979

1 files changed, 11 insertions, 0 deletions

diff --git a/gcc/vec.h b/gcc/vec.h
index 8c2a39b..4bd9df9 100644
--- a/gcc/vec.h
+++ b/gcc/vec.h
@@ -732,6 +732,17 @@ vec_safe_grow_cleared (vec<T, A, vl_embed> *&v, unsigned len CXX_MEM_STAT_INFO)
 }
 
 
+/* Assume V is not NULL.  */
+
+template<typename T>
+inline void
+vec_safe_grow_cleared (vec<T, va_heap, vl_ptr> *&v,
+		       unsigned len CXX_MEM_STAT_INFO)
+{
+  v->safe_grow_cleared (len);
+}
+
+
 /* If V is NULL return false, otherwise return V->iterate(IX, PTR).  */
 template<typename T, typename A>
 inline bool