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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 | 669db6bf656392e7eef896d9db628560bbe60c94 (patch) | |
| tree | 1fac61df92fa154e6b2d372b22d8c53197dca45c /lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | |
| parent | ac44bfbaee5ca23e4661287d2db7122005c830cb (diff) | |
| download | external_llvm-669db6bf656392e7eef896d9db628560bbe60c94.zip external_llvm-669db6bf656392e7eef896d9db628560bbe60c94.tar.gz external_llvm-669db6bf656392e7eef896d9db628560bbe60c94.tar.bz2 | |
Add missing null check reported by Amaury Pouly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110649 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp index 06cf053..f1bf82a 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); |