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tree-scalar-evolution.c (get_exit_conditions_rec, [...]): Use VEC instead of VARRAY. 

* tree-scalar-evolution.c (get_exit_conditions_rec,
	select_loops_exit_conditions,
	number_of_iterations_for_all_loops,
	analyze_scalar_evolution_for_all_loop_phi_nodes,
	scev_analysis): Use VEC instead of VARRAY.

From-SVN: r99093
This commit is contained in:
Kazu Hirata 2005-05-02 08:56:52 +00:00 committed by Kazu Hirata
parent b2f97e4a12
commit 5310bac6da
2 changed files with 24 additions and 15 deletions
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8
gcc/ChangeLog
View File

@ -1,3 +1,11 @@
2005-05-02 Kazu Hirata <kazu@cs.umass.edu>
* tree-scalar-evolution.c (get_exit_conditions_rec,
select_loops_exit_conditions,
number_of_iterations_for_all_loops,
analyze_scalar_evolution_for_all_loop_phi_nodes,
scev_analysis): Use VEC instead of VARRAY.
2005-05-02 Michael Matz <matz@suse.de>
PR c++/19542

31
gcc/tree-scalar-evolution.c
View File

@ -1012,7 +1012,7 @@ get_loop_exit_condition (struct loop *loop)
static void
get_exit_conditions_rec (struct loop *loop,
varray_type *exit_conditions)
VEC(tree,heap) **exit_conditions)
{
if (!loop)
return;
@ -1026,7 +1026,7 @@ get_exit_conditions_rec (struct loop *loop,
tree loop_condition = get_loop_exit_condition (loop);
if (loop_condition)
VARRAY_PUSH_TREE (*exit_conditions, loop_condition);
VEC_safe_push (tree, heap, *exit_conditions, loop_condition);
}
}
@ -1035,7 +1035,7 @@ get_exit_conditions_rec (struct loop *loop,
static void
select_loops_exit_conditions (struct loops *loops,
varray_type *exit_conditions)
VEC(tree,heap) **exit_conditions)
{
struct loop *function_body = loops->parray[0];
@ -2274,16 +2274,16 @@ end:
from the EXIT_CONDITIONS array. */
static void
number_of_iterations_for_all_loops (varray_type exit_conditions)
number_of_iterations_for_all_loops (VEC(tree,heap) **exit_conditions)
{
unsigned int i;
unsigned nb_chrec_dont_know_loops = 0;
unsigned nb_static_loops = 0;
tree cond;
for (i = 0; i < VARRAY_ACTIVE_SIZE (exit_conditions); i++)
for (i = 0; VEC_iterate (tree, *exit_conditions, i, cond); i++)
{
tree res = number_of_iterations_in_loop
(loop_containing_stmt (VARRAY_TREE (exit_conditions, i)));
tree res = number_of_iterations_in_loop (loop_containing_stmt (cond));
if (chrec_contains_undetermined (res))
nb_chrec_dont_know_loops++;
else
@ -2426,20 +2426,21 @@ gather_chrec_stats (tree chrec, struct chrec_stats *stats)
index. This allows the parallelization of the loop. */
static void
analyze_scalar_evolution_for_all_loop_phi_nodes (varray_type exit_conditions)
analyze_scalar_evolution_for_all_loop_phi_nodes (VEC(tree,heap) **exit_conditions)
{
unsigned int i;
struct chrec_stats stats;
tree cond;
reset_chrecs_counters (&stats);
for (i = 0; i < VARRAY_ACTIVE_SIZE (exit_conditions); i++)
for (i = 0; VEC_iterate (tree, *exit_conditions, i, cond); i++)
{
struct loop *loop;
basic_block bb;
tree phi, chrec;
loop = loop_containing_stmt (VARRAY_TREE (exit_conditions, i));
loop = loop_containing_stmt (cond);
bb = loop->header;
for (phi = phi_nodes (bb); phi; phi = PHI_CHAIN (phi))
@ -2604,16 +2605,16 @@ simple_iv (struct loop *loop, tree stmt, tree op, tree *base, tree *step,
void
scev_analysis (void)
{
varray_type exit_conditions;
VEC(tree,heap) *exit_conditions;
VARRAY_GENERIC_PTR_INIT (exit_conditions, 37, "exit_conditions");
exit_conditions = VEC_alloc (tree, heap, 37);
select_loops_exit_conditions (current_loops, &exit_conditions);
if (dump_file && (dump_flags & TDF_STATS))
analyze_scalar_evolution_for_all_loop_phi_nodes (exit_conditions);
analyze_scalar_evolution_for_all_loop_phi_nodes (&exit_conditions);
number_of_iterations_for_all_loops (exit_conditions);
VARRAY_CLEAR (exit_conditions);
number_of_iterations_for_all_loops (&exit_conditions);
VEC_free (tree, heap, exit_conditions);
}
/* Finalize the scalar evolution analysis. */