From d39c594d39df7f283c2fb8a704a3f31c501180d9 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Fri, 17 Sep 2010 15:48:55 +0000
Subject: Vendor import of llvm r114020 (from the release_28 branch):
 http://llvm.org/svn/llvm-project/llvm/branches/release_28@114020

Approved by:	rpaulo (mentor)
---
 lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp')

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
index 06cf05308755..f1bf82ab145a 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
@@ -59,8 +59,9 @@ SUnit *ScheduleDAGSDNodes::NewSUnit(SDNode *N) {
   SUnits.back().OrigNode = &SUnits.back();
   SUnit *SU = &SUnits.back();
   const TargetLowering &TLI = DAG->getTargetLoweringInfo();
-  if (N->isMachineOpcode() &&
-      N->getMachineOpcode() == TargetOpcode::IMPLICIT_DEF)
+  if (!N ||
+      (N->isMachineOpcode() &&
+       N->getMachineOpcode() == TargetOpcode::IMPLICIT_DEF))
     SU->SchedulingPref = Sched::None;
   else
     SU->SchedulingPref = TLI.getSchedulingPreference(N);
-- 
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