diff mbox series

tree-optimization/111156 - properly dissolve SLP only groups

Message ID 20240215143825.D8F90386483B@sourceware.org
State Accepted
Headers
Series tree-optimization/111156 - properly dissolve SLP only groups |

Checks

Context Check Description
snail/gcc-patch-check success Github commit url

Commit Message

Richard Biener Feb. 15, 2024, 2:37 p.m. UTC 
  The following fixes the omission of failing to look at pattern
stmts when we need to dissolve SLP only groups.

Bootstrapped and tested on x86-64-unknown-linux-gnu, pushed.

	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 mbox series

Patch

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))