[llvm-commits] [llvm] r128266 - /llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp

[Andrew Trick]

Author: atrick
Date: Fri Mar 25 01:40:55 2011
New Revision: 128266

URL: http://llvm.org/viewvc/llvm-project?rev=128266&view=rev
Log:
Fix for -pre-RA-sched=source.

Yet another case of unchecked NULL node (for physreg copy).
May fix PR9509.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp?rev=128266&r1=128265&r2=128266&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp Fri Mar 25 01:40:55 2011
@@ -1500,6 +1500,8 @@
   unsigned getNodePriority(const SUnit *SU) const;
 
   unsigned getNodeOrdering(const SUnit *SU) const {
+    if (!SU->getNode()) return 0;
+
     return scheduleDAG->DAG->GetOrdering(SU->getNode());
   }