revert: re PR tree-optimization/91790 (ICE: verify_ssa failed (error: definition...

2019-11-21  Richard Biener  <rguenther@suse.de>

	Revert
	2019-09-17  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91790
	* tree-vect-stmts.c (vectorizable_load): For BB vectorization
	use the correct DR for setting up realignment.

From-SVN: r278545

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2e76ab46f480e936aa46e3acd962a4705f9a5c83..d2a01995be8efaf963ae3983ba3372acfd1b0bd9 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2019-11-21  Richard Biener  <rguenther@suse.de>
+
+       Revert
+       2019-09-17  Richard Biener  <rguenther@suse.de>
+
+       PR tree-optimization/91790
+       * tree-vect-stmts.c (vectorizable_load): For BB vectorization
+       use the correct DR for setting up realignment.
+
 2019-11-20  Peter Bergner <bergner@linux.ibm.com>
 
        Backport from mainline

diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index 8263889cbe415adbdcb9b3baf998b1744f6a0e54..6ca8623fbe17979d4fac4310eb98c84d63b85079 100644 (file)
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -8276,9 +8276,7 @@ vectorizable_load (stmt_vec_info stmt_info, gimple_stmt_iterator *gsi,
        || alignment_support_scheme == dr_explicit_realign)
       && !compute_in_loop)
     {
-      msq = vect_setup_realignment (first_stmt_info_for_drptr
-                                   ? first_stmt_info_for_drptr
-                                   : first_stmt_info, gsi, &realignment_token,
+      msq = vect_setup_realignment (first_stmt_info, gsi, &realignment_token,
                                    alignment_support_scheme, NULL_TREE,
                                    &at_loop);
       if (alignment_support_scheme == dr_explicit_realign_optimized)