Reapply 124301

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124339 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2011-01-27 00:13:27 +00:00
parent 6b9a293a0c
commit 39078a8bde

View File

@ -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()) {