diff options
| author | Andrew Trick <atrick@apple.com> | 2010-12-24 06:46:50 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2010-12-24 06:46:50 +0000 |
| commit | 24312230ada6f4cfa8776351dafb12eea8a81b33 (patch) | |
| tree | daa8843ad53e08e8cf7e46310294ba6e6bd22bd3 /lib/CodeGen/ScheduleDAG.cpp | |
| parent | 398abb4a9aef6da6118c31b6563ec68d1766b913 (diff) | |
Fix a few cases where the scheduler is not checking for phys reg copies. The scheduling node may have a NULL DAG node, yuck.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122544 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScheduleDAG.cpp')
| -rw-r--r-- | lib/CodeGen/ScheduleDAG.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/ScheduleDAG.cpp b/lib/CodeGen/ScheduleDAG.cpp index 02e398f7ef..83f2dd07f1 100644 --- a/lib/CodeGen/ScheduleDAG.cpp +++ b/lib/CodeGen/ScheduleDAG.cpp @@ -36,7 +36,7 @@ ScheduleDAG::~ScheduleDAG() {} /// getInstrDesc helper to handle SDNodes. const TargetInstrDesc *ScheduleDAG::getNodeDesc(const SDNode *Node) const { - if (!Node->isMachineOpcode()) return NULL; + if (!Node || !Node->isMachineOpcode()) return NULL; return &TII->get(Node->getMachineOpcode()); } |