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| author | Evan Cheng <evan.cheng@apple.com> | 2006-08-07 22:12:12 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2006-08-07 22:12:12 +0000 |
| commit | 3b97acdbdb179cf592f62a3491d82f5e234a863c (patch) | |
| tree | a29c7f1bed65ae6f737c887d23f4bd690733b4ba /lib | |
| parent | e46e1a5da7963f038f8534be51c9c7080a65374d (diff) | |
| download | external_llvm-3b97acdbdb179cf592f62a3491d82f5e234a863c.zip external_llvm-3b97acdbdb179cf592f62a3491d82f5e234a863c.tar.gz external_llvm-3b97acdbdb179cf592f62a3491d82f5e234a863c.tar.bz2 | |
Reverse the FlaggedNodes after scanning up for flagged preds or else the order would be reversed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29545 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/ScheduleDAG.cpp | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp index 97eccb2..2d2c343 100644 --- a/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp +++ b/lib/CodeGen/SelectionDAG/ScheduleDAG.cpp @@ -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 |