diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index e90ec20bcdb..b3a316b93b4 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -2157,7 +2157,9 @@ static bool findNonImmUse(SDNode *Use, SDNode* Def, SDNode *ImmedUse, while (!WorkList.empty()) { Use = WorkList.back(); WorkList.pop_back(); - if (Use->getNodeId() < Def->getNodeId() && Use->getNodeId() != -1) + // NodeId topological order of TokenFactors is not guaranteed. Do not skip. + if (Use->getOpcode() != ISD::TokenFactor && + Use->getNodeId() < Def->getNodeId() && Use->getNodeId() != -1) continue; // Don't revisit nodes if we already scanned it and didn't fail, we know we |
