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Reverse the FlaggedNodes after scanning up for flagged preds or else the order would be reversed.

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llvm-svn: 29545
This commit is contained in:
Evan Cheng 2006-08-07 22:12:12 +00:00
parent 5d8f227a4a
commit 0853250689
1 changed files with 10 additions and 5 deletions
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15
lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
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@ -55,11 +55,16 @@ void ScheduleDAG::BuildSchedUnits() {
// Scan up, adding flagged preds to FlaggedNodes.
SDNode *N = NI;
while (N->getNumOperands() &&
N->getOperand(N->getNumOperands()-1).getValueType() == MVT::Flag) {
N = N->getOperand(N->getNumOperands()-1).Val;
NodeSUnit->FlaggedNodes.push_back(N);
SUnitMap[N] = NodeSUnit;
if (N->getNumOperands() &&
N->getOperand(N->getNumOperands()-1).getValueType() == MVT::Flag) {
do {
N = N->getOperand(N->getNumOperands()-1).Val;
NodeSUnit->FlaggedNodes.push_back(N);
SUnitMap[N] = NodeSUnit;
} while (N->getNumOperands() &&
N->getOperand(N->getNumOperands()-1).getValueType()== MVT::Flag);
std::reverse(NodeSUnit->FlaggedNodes.begin(),
NodeSUnit->FlaggedNodes.end());
}
// Scan down, adding this node and any flagged succs to FlaggedNodes if they