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Fix for -pre-RA-sched=source.

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

llvm-svn: 128266
This commit is contained in:
Andrew Trick 2011-03-25 06:40:55 +00:00
parent 3772213010
commit 651a3701f9
1 changed files with 2 additions and 0 deletions
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2
lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
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@ -1500,6 +1500,8 @@ public:
unsigned getNodePriority(const SUnit *SU) const;
unsigned getNodeOrdering(const SUnit *SU) const {
if (!SU->getNode()) return 0;
return scheduleDAG->DAG->GetOrdering(SU->getNode());
}