From b312cf21afd62b43fbc5034703e2796b0c3c416d Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Thu, 15 Feb 2024 13:41:25 +0100 Subject: [PATCH] tree-optimization/111156 - properly dissolve SLP only groups The following fixes the omission of failing to look at pattern stmts when we need to dissolve SLP only groups. PR tree-optimization/111156 * tree-vect-loop.cc (vect_dissolve_slp_only_groups): Look at the pattern stmt if any. --- gcc/tree-vect-loop.cc | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index 9e26b09504d..5a5865c42fc 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -2551,7 +2551,8 @@ vect_dissolve_slp_only_groups (loop_vec_info loop_vinfo) FOR_EACH_VEC_ELT (datarefs, i, dr) { gcc_assert (DR_REF (dr)); - stmt_vec_info stmt_info = loop_vinfo->lookup_stmt (DR_STMT (dr)); + stmt_vec_info stmt_info + = vect_stmt_to_vectorize (loop_vinfo->lookup_stmt (DR_STMT (dr))); /* Check if the load is a part of an interleaving chain. */ if (STMT_VINFO_GROUPED_ACCESS (stmt_info))