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| author | Evan Cheng <evan.cheng@apple.com> | 2010-08-10 02:39:45 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2010-08-10 02:39:45 +0000 |
| commit | 23ef82909679628ea57d8310c7c86fad9d88ad74 (patch) | |
| tree | c98e6172b9719b0ee79c181336746f948752ae00 /llvm/lib/CodeGen | |
| parent | cedf23dfe5dffcdc6890de033191e14050654614 (diff) | |
| download | bcm5719-llvm-23ef82909679628ea57d8310c7c86fad9d88ad74.tar.gz bcm5719-llvm-23ef82909679628ea57d8310c7c86fad9d88ad74.zip | |
Add missing null check reported by Amaury Pouly.
llvm-svn: 110649
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp index 06cf0530875..f1bf82ab145 100644 --- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp +++ b/llvm/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); |
