diff mbox series

[2/2] Move vect_update_inits_of_drs

Message ID 20241031141956.42FE7385773F@sourceware.org
State New
Headers show
Series [1/2] Preserve ->move_dr behavior when adjusting epilogue info | expand

Commit Message

Richard Biener Oct. 31, 2024, 2:18 p.m. UTC 
Move vect_update_inits_of_drs to after setting up the epilog
metadata.

Bootstrapped and tested on x86_64-unknown-linux-gnu.

	* tree-vect-loop.cc (update_epilogue_loop_vinfo): Update
	DR inits after adjusting the epilog metadata.
---
 gcc/tree-vect-loop.cc | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index b008bd539f8..4afa7493271 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -12165,11 +12165,6 @@  update_epilogue_loop_vinfo (class loop *epilogue, tree advance)
   LOOP_VINFO_BBS (epilogue_vinfo) = epilogue_bbs;
   LOOP_VINFO_NBBS (epilogue_vinfo) = epilogue->num_nodes;
 
-  /* Advance data_reference's with the number of iterations of the previous
-     loop and its prologue.  */
-  vect_update_inits_of_drs (epilogue_vinfo, advance, PLUS_EXPR);
-
-
   /* The EPILOGUE loop is a copy of the original loop so they share the same
      gimple UIDs.  In this loop we update the loop_vec_info of the EPILOGUE to
      point to the copied statements.  We also create a mapping of all LHS' in
@@ -12292,6 +12287,10 @@  update_epilogue_loop_vinfo (class loop *epilogue, tree advance)
       DR_STMT (dr) = STMT_VINFO_STMT (stmt_vinfo);
     }
 
+  /* Advance data_reference's with the number of iterations of the previous
+     loop and its prologue.  */
+  vect_update_inits_of_drs (epilogue_vinfo, advance, PLUS_EXPR);
+
   epilogue_vinfo->shared->datarefs_copy.release ();
   epilogue_vinfo->shared->save_datarefs ();
 }