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Reapply 124301

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llvm-svn: 124339
This commit is contained in:
Devang Patel 2011-01-27 00:13:27 +00:00
parent 51d9acc25b
commit b81f6dbc21
1 changed files with 5 additions and 1 deletions
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6
lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
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@ -539,8 +539,12 @@ static void ProcessSourceNode(SDNode *N, SelectionDAG *DAG,
SmallVector<std::pair<unsigned, MachineInstr*>, 32> &Orders,
SmallSet<unsigned, 8> &Seen) {
unsigned Order = DAG->GetOrdering(N);
if (!Order || !Seen.insert(Order))
if (!Order || !Seen.insert(Order)) {
// Process any valid SDDbgValues even if node does not have any order
// assigned.
ProcessSDDbgValues(N, DAG, Emitter, Orders, VRBaseMap, 0);
return;
}
MachineBasicBlock *BB = Emitter.getBlock();
if (Emitter.getInsertPos() == BB->begin() || BB->back().isPHI()) {