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tree-vect-loop.c (vect_create_epilog_for_reduction): Only insert gimple seq if it's not empty. 

* tree-vect-loop.c (vect_create_epilog_for_reduction): Only
	insert gimple seq if it's not empty.

From-SVN: r237550
This commit is contained in:
Bin Cheng 2016-06-17 09:17:39 +00:00 committed by Bin Cheng
parent 97816be433
commit c7041a4fa3
2 changed files with 8 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2016-06-17 Bin Cheng <bin.cheng@arm.com>
* tree-vect-loop.c (vect_create_epilog_for_reduction): Only
insert gimple seq if it's not empty.
2016-06-17 Bin Cheng <bin.cheng@arm.com>
* tree-vectorizer.h (struct dr_with_seg_len): Remove class

4
gcc/tree-vect-loop.c
View File

@ -4353,7 +4353,9 @@ vect_create_epilog_for_reduction (vec<tree> vect_defs, gimple *stmt,
gimple_seq stmts;
vec_init_def = force_gimple_operand (vec_initial_defs[i], &stmts,
true, NULL_TREE);
gsi_insert_seq_on_edge_immediate (loop_preheader_edge (loop), stmts);
if (stmts)
gsi_insert_seq_on_edge_immediate (loop_preheader_edge (loop), stmts);
def = vect_defs[i];
for (j = 0; j < ncopies; j++)
{