From: Richard Biener <rguenther@suse.de>
Date: Fri, 3 Jul 2020 10:50:37 +0000 (+0200)
Subject: tree-optimization/96037 - fix uninitialized use of slp_op
X-Git-Tag: upstream/12.2.0~15150
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=59cc32acc8dde3b8719b9b4f90d33e8c3e3f17bb;p=platform%2Fupstream%2Fgcc.git

tree-optimization/96037 - fix uninitialized use of slp_op

The following avoids leaving slp_def as passed to vect_is_simple_use
by reference uninitialized.

2020-07-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/96037
	* tree-vect-stmts.c (vect_is_simple_use): Initialize *slp_def.
---

diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index 9228f9c..f66c5f5 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -11238,6 +11238,7 @@ vect_is_simple_use (vec_info *vinfo, stmt_vec_info stmt, slp_tree slp_node,
     }
   else
     {
+      *slp_def = NULL;
       if (gassign *ass = dyn_cast <gassign *> (stmt->stmt))
 	{
 	  if (gimple_assign_rhs_code (ass) == COND_EXPR