diff options
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 7fb7aba00c4..4a83a3f00b5 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -687,6 +687,15 @@ void SelectionDAG::DeleteNodeNotInCSEMaps(SDNode *N) { DeallocateNode(N); } +void SDDbgInfo::erase(const SDNode *Node) { + DbgValMapType::iterator I = DbgValMap.find(Node); + if (I == DbgValMap.end()) + return; + for (auto &Val: I->second) + Val->setIsInvalidated(); + DbgValMap.erase(I); +} + void SelectionDAG::DeallocateNode(SDNode *N) { if (N->OperandsNeedDelete) delete[] N->OperandList; @@ -697,10 +706,9 @@ void SelectionDAG::DeallocateNode(SDNode *N) { NodeAllocator.Deallocate(AllNodes.remove(N)); - // If any of the SDDbgValue nodes refer to this SDNode, invalidate them. - ArrayRef<SDDbgValue*> DbgVals = DbgInfo->getSDDbgValues(N); - for (unsigned i = 0, e = DbgVals.size(); i != e; ++i) - DbgVals[i]->setIsInvalidated(); + // If any of the SDDbgValue nodes refer to this SDNode, invalidate + // them and forget about that node. + DbgInfo->erase(N); } #ifndef NDEBUG |
