public inbox for gcc-patches@gcc.gnu.org
 help / color / mirror / Atom feed
* [PATCH] Make sure to simplify CFG after OMP SIMD vectorization
@ 2017-05-26  7:17 Richard Biener
  0 siblings, 0 replies; only message in thread
From: Richard Biener @ 2017-05-26  7:17 UTC (permalink / raw)
  To: gcc-patches


I noticed we keep the VF != 0 check in the CFG for quite some passes
when looking at PR80844 so the following fixes that.

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

Richard.

2017-05-26  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/80844
	* tree-vectorizer.c (adjust_simduid_builtins): Propagate
	results.

Index: gcc/tree-vectorizer.c
===================================================================
--- gcc/tree-vectorizer.c	(revision 248409)
+++ gcc/tree-vectorizer.c	(working copy)
@@ -229,8 +229,11 @@ adjust_simduid_builtins (hash_table<simd
 	    default:
 	      gcc_unreachable ();
 	    }
-	  update_call_from_tree (&i, t);
-	  gsi_next (&i);
+	  tree lhs = gimple_call_lhs (stmt);
+	  if (lhs)
+	    replace_uses_by (lhs, t);
+	  release_defs (stmt);
+	  gsi_remove (&i, true);
 	}
     }
 }

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2017-05-26  7:14 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-05-26  7:17 [PATCH] Make sure to simplify CFG after OMP SIMD vectorization Richard Biener

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).