diff options
| author | Andrew Trick <atrick@apple.com> | 2011-03-25 06:40:55 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2011-03-25 06:40:55 +0000 |
| commit | 336298cf2cc68d9af163992b9f9cafddd4bb3c8a (patch) | |
| tree | 299cb8f875dba5b1a80a59f36058c567b80e7ace | |
| parent | 628b337561cfb8ae862155fee710b5ca172b7a8e (diff) | |
Fix for -pre-RA-sched=source.
Yet another case of unchecked NULL node (for physreg copy).
May fix PR9509.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128266 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp index f02d78f613..f5a5db89fa 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp @@ -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()); } |