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middle-end: rename main_exit_p in reduction code.

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This renamed main_exit_p to last_val_reduc_p to more accurately
reflect what the value is calculating.

gcc/ChangeLog:

	* tree-vect-loop.cc (vect_get_vect_def,
	vect_create_epilog_for_reduction): Rename main_exit_p to
	last_val_reduc_p.
This commit is contained in:
Tamar Christina 2024-01-24 07:38:18 +00:00
parent 72429448fd
commit 5900471166
1 changed files with 10 additions and 9 deletions
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19
gcc/tree-vect-loop.cc
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@ -5892,25 +5892,26 @@ vect_create_partial_epilog (tree vec_def, tree vectype, code_helper code,
}
/* Retrieves the definining statement to be used for a reduction.
For MAIN_EXIT_P we use the current VEC_STMTs and otherwise we look at
the reduction definitions. */
For LAST_VAL_REDUC_P we use the current VEC_STMTs which correspond to the
final value after vectorization and otherwise we look at the reduction
definitions to get the first. */
tree
vect_get_vect_def (stmt_vec_info reduc_info, slp_tree slp_node,
slp_instance slp_node_instance, bool main_exit_p, unsigned i,
vec <gimple *> &vec_stmts)
slp_instance slp_node_instance, bool last_val_reduc_p,
unsigned i, vec <gimple *> &vec_stmts)
{
tree def;
if (slp_node)
{
if (!main_exit_p)
if (!last_val_reduc_p)
slp_node = slp_node_instance->reduc_phis;
def = vect_get_slp_vect_def (slp_node, i);
}
else
{
if (!main_exit_p)
if (!last_val_reduc_p)
reduc_info = STMT_VINFO_REDUC_DEF (vect_orig_stmt (reduc_info));
vec_stmts = STMT_VINFO_VEC_STMTS (reduc_info);
def = gimple_get_lhs (vec_stmts[0]);
@ -5982,8 +5983,8 @@ vect_create_epilog_for_reduction (loop_vec_info loop_vinfo,
loop-closed PHI of the inner loop which we remember as
def for the reduction PHI generation. */
bool double_reduc = false;
bool main_exit_p = LOOP_VINFO_IV_EXIT (loop_vinfo) == loop_exit
&& !LOOP_VINFO_EARLY_BREAKS_VECT_PEELED (loop_vinfo);
bool last_val_reduc_p = LOOP_VINFO_IV_EXIT (loop_vinfo) == loop_exit
&& !LOOP_VINFO_EARLY_BREAKS_VECT_PEELED (loop_vinfo);
stmt_vec_info rdef_info = stmt_info;
if (STMT_VINFO_DEF_TYPE (stmt_info) == vect_double_reduction_def)
{
@ -6233,7 +6234,7 @@ vect_create_epilog_for_reduction (loop_vec_info loop_vinfo,
{
gimple_seq stmts = NULL;
def = vect_get_vect_def (rdef_info, slp_node, slp_node_instance,
main_exit_p, i, vec_stmts);
last_val_reduc_p, i, vec_stmts);
for (j = 0; j < ncopies; j++)
{
tree new_def = copy_ssa_name (def);