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tree-ssa-structalias.c (find_func_aliases_for_builtin_call): Add struct function argument and adjust.

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2014-04-15  Richard Biener  <rguenther@suse.de>

	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
	Add struct function argument and adjust.
	(find_func_aliases_for_call): Likewise.
	(find_func_aliases): Likewise.
	(find_func_clobbers): Likewise.
	(intra_create_variable_infos): Likewise.
	(compute_points_to_sets): Likewise.
	(ipa_pta_execute): Adjust.  Do not push/pop cfun.

From-SVN: r209408
This commit is contained in:
Richard Biener 2014-04-15 08:21:56 +00:00 committed by Richard Biener
parent d6d215ac5e
commit 628169e0d7
2 changed files with 40 additions and 31 deletions

11
gcc/ChangeLog

@ -1,3 +1,14 @@
2014-04-15 Richard Biener <rguenther@suse.de>
* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
Add struct function argument and adjust.
(find_func_aliases_for_call): Likewise.
(find_func_aliases): Likewise.
(find_func_clobbers): Likewise.
(intra_create_variable_infos): Likewise.
(compute_points_to_sets): Likewise.
(ipa_pta_execute): Adjust. Do not push/pop cfun.
2014-04-15 Richard Biener <rguenther@suse.de>
* tree.c (iterative_hash_expr): Use enum tree_code_class

60
gcc/tree-ssa-structalias.c

@ -4136,7 +4136,7 @@ get_fi_for_callee (gimple call)
was handled, otherwise false. */
static bool
find_func_aliases_for_builtin_call (gimple t)
find_func_aliases_for_builtin_call (struct function *fn, gimple t)
{
tree fndecl = gimple_call_fndecl (t);
vec<ce_s> lhsc = vNULL;
@ -4450,7 +4450,7 @@ find_func_aliases_for_builtin_call (gimple t)
and otherwise are just all nonlocal variables. */
if (in_ipa_mode)
{
fi = lookup_vi_for_tree (cfun->decl);
fi = lookup_vi_for_tree (fn->decl);
rhs = get_function_part_constraint (fi, ~0);
rhs.type = ADDRESSOF;
}
@ -4475,7 +4475,7 @@ find_func_aliases_for_builtin_call (gimple t)
{
fi = NULL;
if (!in_ipa_mode
|| !(fi = get_vi_for_tree (cfun->decl)))
|| !(fi = get_vi_for_tree (fn->decl)))
make_constraint_from (get_varinfo (escaped_id), anything_id);
else if (in_ipa_mode
&& fi != NULL)
@ -4502,7 +4502,7 @@ find_func_aliases_for_builtin_call (gimple t)
/* Create constraints for the call T. */
static void
find_func_aliases_for_call (gimple t)
find_func_aliases_for_call (struct function *fn, gimple t)
{
tree fndecl = gimple_call_fndecl (t);
vec<ce_s> lhsc = vNULL;
@ -4511,7 +4511,7 @@ find_func_aliases_for_call (gimple t)
if (fndecl != NULL_TREE
&& DECL_BUILT_IN (fndecl)
&& find_func_aliases_for_builtin_call (t))
&& find_func_aliases_for_builtin_call (fn, t))
return;
fi = get_fi_for_callee (t);
@ -4621,7 +4621,7 @@ find_func_aliases_for_call (gimple t)
when building alias sets and computing alias grouping heuristics. */
static void
find_func_aliases (gimple origt)
find_func_aliases (struct function *fn, gimple origt)
{
gimple t = origt;
vec<ce_s> lhsc = vNULL;
@ -4665,7 +4665,7 @@ find_func_aliases (gimple origt)
In non-ipa mode, we need to generate constraints for each
pointer passed by address. */
else if (is_gimple_call (t))
find_func_aliases_for_call (t);
find_func_aliases_for_call (fn, t);
/* Otherwise, just a regular assignment statement. Only care about
operations with pointer result, others are dealt with as escape
@ -4756,7 +4756,7 @@ find_func_aliases (gimple origt)
{
fi = NULL;
if (!in_ipa_mode
|| !(fi = get_vi_for_tree (cfun->decl)))
|| !(fi = get_vi_for_tree (fn->decl)))
make_escape_constraint (gimple_return_retval (t));
else if (in_ipa_mode
&& fi != NULL)
@ -4859,7 +4859,7 @@ process_ipa_clobber (varinfo_t fi, tree ptr)
IPA constraint builder. */
static void
find_func_clobbers (gimple origt)
find_func_clobbers (struct function *fn, gimple origt)
{
gimple t = origt;
vec<ce_s> lhsc = vNULL;
@ -4877,7 +4877,7 @@ find_func_clobbers (gimple origt)
return;
/* We'd better have function information for the current function. */
fi = lookup_vi_for_tree (cfun->decl);
fi = lookup_vi_for_tree (fn->decl);
gcc_assert (fi != NULL);
/* Account for stores in assignments and calls. */
@ -4889,12 +4889,12 @@ find_func_clobbers (gimple origt)
while (handled_component_p (tem))
tem = TREE_OPERAND (tem, 0);
if ((DECL_P (tem)
&& !auto_var_in_fn_p (tem, cfun->decl))
&& !auto_var_in_fn_p (tem, fn->decl))
|| INDIRECT_REF_P (tem)
|| (TREE_CODE (tem) == MEM_REF
&& !(TREE_CODE (TREE_OPERAND (tem, 0)) == ADDR_EXPR
&& auto_var_in_fn_p
(TREE_OPERAND (TREE_OPERAND (tem, 0), 0), cfun->decl))))
(TREE_OPERAND (TREE_OPERAND (tem, 0), 0), fn->decl))))
{
struct constraint_expr lhsc, *rhsp;
unsigned i;
@ -4917,12 +4917,12 @@ find_func_clobbers (gimple origt)
while (handled_component_p (tem))
tem = TREE_OPERAND (tem, 0);
if ((DECL_P (tem)
&& !auto_var_in_fn_p (tem, cfun->decl))
&& !auto_var_in_fn_p (tem, fn->decl))
|| INDIRECT_REF_P (tem)
|| (TREE_CODE (tem) == MEM_REF
&& !(TREE_CODE (TREE_OPERAND (tem, 0)) == ADDR_EXPR
&& auto_var_in_fn_p
(TREE_OPERAND (TREE_OPERAND (tem, 0), 0), cfun->decl))))
(TREE_OPERAND (TREE_OPERAND (tem, 0), 0), fn->decl))))
{
struct constraint_expr lhs, *rhsp;
unsigned i;
@ -5846,14 +5846,14 @@ debug_solution_for_var (unsigned int var)
function for intraprocedural mode. */
static void
intra_create_variable_infos (void)
intra_create_variable_infos (struct function *fn)
{
tree t;
/* For each incoming pointer argument arg, create the constraint ARG
= NONLOCAL or a dummy variable if it is a restrict qualified
passed-by-reference argument. */
for (t = DECL_ARGUMENTS (current_function_decl); t; t = DECL_CHAIN (t))
for (t = DECL_ARGUMENTS (fn->decl); t; t = DECL_CHAIN (t))
{
varinfo_t p = get_vi_for_tree (t);
@ -5905,19 +5905,19 @@ intra_create_variable_infos (void)
}
/* Add a constraint for a result decl that is passed by reference. */
if (DECL_RESULT (cfun->decl)
&& DECL_BY_REFERENCE (DECL_RESULT (cfun->decl)))
if (DECL_RESULT (fn->decl)
&& DECL_BY_REFERENCE (DECL_RESULT (fn->decl)))
{
varinfo_t p, result_vi = get_vi_for_tree (DECL_RESULT (cfun->decl));
varinfo_t p, result_vi = get_vi_for_tree (DECL_RESULT (fn->decl));
for (p = result_vi; p; p = vi_next (p))
make_constraint_from (p, nonlocal_id);
}
/* Add a constraint for the incoming static chain parameter. */
if (cfun->static_chain_decl != NULL_TREE)
if (fn->static_chain_decl != NULL_TREE)
{
varinfo_t p, chain_vi = get_vi_for_tree (cfun->static_chain_decl);
varinfo_t p, chain_vi = get_vi_for_tree (fn->static_chain_decl);
for (p = chain_vi; p; p = vi_next (p))
make_constraint_from (p, nonlocal_id);
@ -6802,7 +6802,7 @@ compute_points_to_sets (void)
init_alias_vars ();
intra_create_variable_infos ();
intra_create_variable_infos (cfun);
/* Now walk all statements and build the constraint set. */
FOR_EACH_BB_FN (bb, cfun)
@ -6814,14 +6814,14 @@ compute_points_to_sets (void)
gimple phi = gsi_stmt (gsi);
if (! virtual_operand_p (gimple_phi_result (phi)))
find_func_aliases (phi);
find_func_aliases (cfun, phi);
}
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
gimple stmt = gsi_stmt (gsi);
find_func_aliases (stmt);
find_func_aliases (cfun, stmt);
}
}
@ -7176,7 +7176,7 @@ ipa_pta_execute (void)
}
func = DECL_STRUCT_FUNCTION (node->decl);
push_cfun (func);
gcc_assert (cfun == NULL);
/* For externally visible or attribute used annotated functions use
local constraints for their arguments.
@ -7186,7 +7186,7 @@ ipa_pta_execute (void)
|| node->externally_visible
|| node->force_output)
{
intra_create_variable_infos ();
intra_create_variable_infos (func);
/* We also need to make function return values escape. Nothing
escapes by returning from main though. */
@ -7221,20 +7221,18 @@ ipa_pta_execute (void)
gimple phi = gsi_stmt (gsi);
if (! virtual_operand_p (gimple_phi_result (phi)))
find_func_aliases (phi);
find_func_aliases (func, phi);
}
for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi))
{
gimple stmt = gsi_stmt (gsi);
find_func_aliases (stmt);
find_func_clobbers (stmt);
find_func_aliases (func, stmt);
find_func_clobbers (func, stmt);
}
}
pop_cfun ();
if (dump_file)
{
fprintf (dump_file, "\n");