From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 22 Mar 2012 07:29:30 +0000 (+0000)
Subject: 2012-03-22  Richard Guenther  <rguenther@suse.de>
X-Git-Tag: upstream/4.9.2~13631
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=388479482a4bbac33eb332d72065fcea2764f31a;p=platform%2Fupstream%2Flinaro-gcc.git

2012-03-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/52459
	* tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
	PHI insertion for calls.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185676 138bc75d-0d04-0410-961f-82ee72b054a4
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3fce28f..0bcae9b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2012-03-22  Richard Guenther  <rguenther@suse.de>
+
+	PR tree-optimization/52459
+	* tree-ssa-pre.c (inhibit_phi_insertion): Do not inhibit
+	PHI insertion for calls.
+
 2012-03-21  Steven Bosscher  <steven@gcc.gnu.org>
 
 	* cse.c (invalidate_from_sets_and_clobbers, try_back_substitute_reg,
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index e5ec931..76df3c6 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -3242,6 +3242,10 @@ inhibit_phi_insertion (basic_block bb, pre_expr expr)
     {
       switch (op->opcode)
 	{
+	case CALL_EXPR:
+	  /* Calls are not a problem.  */
+	  return false;
+
 	case ARRAY_REF:
 	case ARRAY_RANGE_REF:
 	  if (TREE_CODE (op->op0) != SSA_NAME)