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Diffstat (limited to 'gcc-4.9/gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc-4.9/gcc/tree-vect-loop.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc-4.9/gcc/tree-vect-loop.c b/gcc-4.9/gcc/tree-vect-loop.c index 4e579043d..2ebb90bfb 100644 --- a/gcc-4.9/gcc/tree-vect-loop.c +++ b/gcc-4.9/gcc/tree-vect-loop.c @@ -2321,7 +2321,8 @@ vect_is_simple_reduction_1 (loop_vec_info loop_info, gimple phi, } def1 = SSA_NAME_DEF_STMT (op1); - if (flow_bb_inside_loop_p (loop, gimple_bb (def_stmt)) + if (gimple_bb (def1) + && flow_bb_inside_loop_p (loop, gimple_bb (def_stmt)) && loop->inner && flow_bb_inside_loop_p (loop->inner, gimple_bb (def1)) && is_gimple_assign (def1)) |