From: Tom de Vries <tom@codesourcery.com>
Date: Mon, 11 Jan 2016 12:08:38 +0000 (+0000)
Subject: Add missing phi args in create_parallel_loop
X-Git-Tag: basepoints/gcc-7~1733
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c5211b13cb66b65f92a8289d221e2c3f4a3dfe2;p=thirdparty%2Fgcc.git

Add missing phi args in create_parallel_loop

2016-01-11  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/69069
	* tree-parloops.c (create_parallel_loop): Add missing phi args.

From-SVN: r232221
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0e7202b6e4eb..5124d694aaac 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-11  Tom de Vries  <tom@codesourcery.com>
+
+	PR tree-optimization/69069
+	* tree-parloops.c (create_parallel_loop): Add missing phi args.
+
 2016-01-11  Yuri Rumyantsev  <ysrumyan@gmail.com>
 
 	PR rtl-optimization/68920
diff --git a/gcc/tree-parloops.c b/gcc/tree-parloops.c
index 5afaaf8af13a..46d70ac56c1e 100644
--- a/gcc/tree-parloops.c
+++ b/gcc/tree-parloops.c
@@ -2086,7 +2086,12 @@ create_parallel_loop (struct loop *loop, tree loop_fn, tree data,
 	 value is not modified in the loop, and we're done with this phi.  */
       if (!(gimple_code (def_stmt) == GIMPLE_PHI
 	    && gimple_bb (def_stmt) == loop->header))
-	continue;
+	{
+	  locus = gimple_phi_arg_location_from_edge (phi, exit);
+	  add_phi_arg (phi, def, guard, locus);
+	  add_phi_arg (phi, def, end, locus);
+	  continue;
+	}
 
       gphi *stmt = as_a <gphi *> (def_stmt);
       def = PHI_ARG_DEF_FROM_EDGE (stmt, loop_preheader_edge (loop));