From: Richard Sandiford <richard.sandiford@arm.com>
Date: Tue, 24 Jul 2018 18:08:19 +0000 (+0000)
Subject: Avoid &LOOP_VINFO_MASKS for bb vectorisation (PR 86618)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ed623edb473d862673fc0bbc6b878074667ca5fb;p=gcc.git

Avoid &LOOP_VINFO_MASKS for bb vectorisation (PR 86618)

r262589 introduced another instance of the bug fixed in r258131.

2018-07-23  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	PR tree-optimization/86618
	* tree-vect-stmts.c (vectorizable_call): Don't take the address
	of LOOP_VINFO_MASKS (loop_vinfo) when loop_vinfo is null.

From-SVN: r262951
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 02991c17bc5..96c7de91950 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-07-24  Richard Sandiford  <richard.sandiford@arm.com>
+
+	PR tree-optimization/86618
+	* tree-vect-stmts.c (vectorizable_call): Don't take the address
+	of LOOP_VINFO_MASKS (loop_vinfo) when loop_vinfo is null.
+
 2018-07-24  David Malcolm  <dmalcolm@redhat.com>
 
 	PR tree-optimization/86636
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index 1c847ae016d..f420a427e58 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -3337,7 +3337,7 @@ vectorizable_call (gimple *gs, gimple_stmt_iterator *gsi, gimple **vec_stmt,
      needs to be generated.  */
   gcc_assert (ncopies >= 1);
 
-  vec_loop_masks *masks = &LOOP_VINFO_MASKS (loop_vinfo);
+  vec_loop_masks *masks = (loop_vinfo ? &LOOP_VINFO_MASKS (loop_vinfo) : NULL);
   if (!vec_stmt) /* transformation not required.  */
     {
       STMT_VINFO_TYPE (stmt_info) = call_vec_info_type;