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| author | Eric Christopher <echristo@apple.com> | 2011-03-11 00:11:06 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@apple.com> | 2011-03-11 00:11:06 +0000 |
| commit | 5705843fd151b9d701f9cf81edf0497a25aee53a (patch) | |
| tree | dd3d03703466c865ca517cbd9108ceb5502ce092 /lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | |
| parent | 73dc78f1e7c3862b964f032a954fbc57539fe7a6 (diff) | |
Merge r127263 from mainline, fixes PR9427 for 2.9.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_29@127437 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp index 67005d7e63..b762af5ca9 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp @@ -446,6 +446,10 @@ void ScheduleDAGSDNodes::BuildSchedGraph(AliasAnalysis *AA) { // Initialize NumNodeDefs for the current Node's opcode. void ScheduleDAGSDNodes::RegDefIter::InitNodeNumDefs() { + // Check for phys reg copy. + if (!Node) + return; + if (!Node->isMachineOpcode()) { if (Node->getOpcode() == ISD::CopyFromReg) NodeNumDefs = 1; |