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| 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 | c94056692a8ce13d00689b8a0b8c3194aa76de0a (patch) | |
| tree | 48fec4747f1e610bee5b624b9ecdd5ba512a836d /llvm/lib/CodeGen/ScheduleDAG.cpp | |
| parent | 9d6af5328e3a61641a125b17125952fa1a6bf11d (diff) | |
| download | bcm5719-llvm-c94056692a8ce13d00689b8a0b8c3194aa76de0a.tar.gz bcm5719-llvm-c94056692a8ce13d00689b8a0b8c3194aa76de0a.zip | |
Fix a few cases where the scheduler is not checking for phys reg copies. The scheduling node may have a NULL DAG node, yuck.
llvm-svn: 122544
Diffstat (limited to 'llvm/lib/CodeGen/ScheduleDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/ScheduleDAG.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/ScheduleDAG.cpp b/llvm/lib/CodeGen/ScheduleDAG.cpp index 02e398f7efc..83f2dd07f1d 100644 --- a/llvm/lib/CodeGen/ScheduleDAG.cpp +++ b/llvm/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()); } |
