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call_summary: move hooks to base.

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gcc/ChangeLog:

	* symbol-summary.h (call_summary_base): Pass symtab hooks to
	base and register (or unregister) hooks directly.
This commit is contained in:
Martin Liska 2020-10-26 15:24:28 +01:00
parent 251c9aea8f
commit 953a9d63d4
1 changed files with 48 additions and 50 deletions
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98
gcc/symbol-summary.h
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@ -566,12 +566,17 @@ class call_summary_base
{
public:
/* Default construction takes SYMTAB as an argument. */
call_summary_base (symbol_table *symtab CXX_MEM_STAT_INFO):
m_symtab (symtab),
call_summary_base (symbol_table *symtab, cgraph_edge_hook symtab_removal,
cgraph_2edge_hook symtab_duplication CXX_MEM_STAT_INFO):
m_symtab (symtab), m_symtab_removal (symtab_removal),
m_symtab_duplication (symtab_duplication), m_symtab_duplication_hook (NULL),
m_initialize_when_cloning (false),
m_duplication_enabled (true),
m_allocator ("call summary" PASS_MEM_STAT)
{}
{
m_symtab_removal_hook
= m_symtab->add_edge_removal_hook (m_symtab_removal, this);
enable_duplication_hook ();
}
/* Basic implementation of removal operation. */
virtual void remove (cgraph_edge *, T *) {}
@ -585,13 +590,20 @@ public:
/* Enable duplication hook invocation. */
void enable_duplication_hook ()
{
m_duplication_enabled = true;
if (m_symtab_duplication_hook == NULL)
m_symtab_duplication_hook
= m_symtab->add_edge_duplication_hook (m_symtab_duplication,
this);
}
/* Enable duplication hook invocation. */
void disable_duplication_hook ()
{
m_duplication_enabled = false;
if (m_symtab_duplication_hook != NULL)
{
m_symtab->remove_edge_duplication_hook (m_symtab_duplication_hook);
m_symtab_duplication_hook = NULL;
}
}
protected:
@ -619,14 +631,17 @@ protected:
/* Symbol table the summary is registered to. */
symbol_table *m_symtab;
/* Removal function defined by a summary. */
cgraph_edge_hook m_symtab_removal;
/* Duplication function defined by a summary. */
cgraph_2edge_hook m_symtab_duplication;
/* Internal summary removal hook pointer. */
cgraph_edge_hook_list *m_symtab_removal_hook;
/* Internal summary duplication hook pointer. */
cgraph_2edge_hook_list *m_symtab_duplication_hook;
/* Initialize summary for an edge that is cloned. */
bool m_initialize_when_cloning;
/* Indicates if duplication hook is enabled. */
bool m_duplication_enabled;
private:
/* Return true when the summary uses GGC memory for allocation. */
@ -641,7 +656,7 @@ void
call_summary_base<T>::unregister_hooks ()
{
m_symtab->remove_edge_removal_hook (m_symtab_removal_hook);
m_symtab->remove_edge_duplication_hook (m_symtab_duplication_hook);
disable_duplication_hook ();
}
/* An impossible class templated by non-pointers so, which makes sure that only
@ -663,16 +678,9 @@ public:
/* Default construction takes SYMTAB as an argument. */
call_summary (symbol_table *symtab, bool ggc = false
CXX_MEM_STAT_INFO)
: call_summary_base<T> (symtab PASS_MEM_STAT), m_ggc (ggc),
m_map (13, ggc, true, GATHER_STATISTICS PASS_MEM_STAT)
{
this->m_symtab_removal_hook
= this->m_symtab->add_edge_removal_hook (call_summary::symtab_removal,
this);
this->m_symtab_duplication_hook
= this->m_symtab->add_edge_duplication_hook (call_summary::symtab_duplication,
this);
}
: call_summary_base<T> (symtab, call_summary::symtab_removal,
call_summary::symtab_duplication PASS_MEM_STAT),
m_ggc (ggc), m_map (13, ggc, true, GATHER_STATISTICS PASS_MEM_STAT) {}
/* Destructor. */
virtual ~call_summary ();
@ -777,19 +785,16 @@ call_summary<T *>::symtab_duplication (cgraph_edge *edge1,
cgraph_edge *edge2, void *data)
{
call_summary *summary = (call_summary <T *> *) (data);
if (summary->m_duplication_enabled)
{
T *edge1_summary = NULL;
T *edge1_summary = NULL;
if (summary->m_initialize_when_cloning)
edge1_summary = summary->get_create (edge1);
else
edge1_summary = summary->get (edge1);
if (summary->m_initialize_when_cloning)
edge1_summary = summary->get_create (edge1);
else
edge1_summary = summary->get (edge1);
if (edge1_summary)
summary->duplicate (edge1, edge2, edge1_summary,
summary->get_create (edge2));
}
if (edge1_summary)
summary->duplicate (edge1, edge2, edge1_summary,
summary->get_create (edge2));
}
template <typename T>
@ -833,15 +838,11 @@ class GTY((user)) fast_call_summary <T *, V>: public call_summary_base<T>
public:
/* Default construction takes SYMTAB as an argument. */
fast_call_summary (symbol_table *symtab CXX_MEM_STAT_INFO)
: call_summary_base<T> (symtab PASS_MEM_STAT), m_vector (NULL)
: call_summary_base<T> (symtab, fast_call_summary::symtab_removal,
fast_call_summary::symtab_duplication PASS_MEM_STAT),
m_vector (NULL)
{
vec_alloc (m_vector, 13 PASS_MEM_STAT);
this->m_symtab_removal_hook
= this->m_symtab->add_edge_removal_hook (fast_call_summary::symtab_removal,
this);
this->m_symtab_duplication_hook
= this->m_symtab->add_edge_duplication_hook (fast_call_summary::symtab_duplication,
this);
}
/* Destructor. */
@ -946,20 +947,17 @@ fast_call_summary<T *, V>::symtab_duplication (cgraph_edge *edge1,
cgraph_edge *edge2, void *data)
{
fast_call_summary *summary = (fast_call_summary <T *, V> *) (data);
if (summary->m_duplication_enabled)
T *edge1_summary = NULL;
if (summary->m_initialize_when_cloning)
edge1_summary = summary->get_create (edge1);
else
edge1_summary = summary->get (edge1);
if (edge1_summary)
{
T *edge1_summary = NULL;
if (summary->m_initialize_when_cloning)
edge1_summary = summary->get_create (edge1);
else
edge1_summary = summary->get (edge1);
if (edge1_summary)
{
T *duplicate = summary->get_create (edge2);
summary->duplicate (edge1, edge2, edge1_summary, duplicate);
}
T *duplicate = summary->get_create (edge2);
summary->duplicate (edge1, edge2, edge1_summary, duplicate);
}
}