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| author | Sean Fertile <sfertile@ca.ibm.com> | 2017-10-27 04:02:51 +0000 |
|---|---|---|
| committer | Sean Fertile <sfertile@ca.ibm.com> | 2017-10-27 04:02:51 +0000 |
| commit | 57d46b843687b61758ae4dc7045df5dced61e937 (patch) | |
| tree | 1c199d822957e2b1b21c659abd2acca2825448c6 /llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | 79048e4c5cd36573c172875e48a5848a5f855403 (diff) | |
| download | bcm5719-llvm-57d46b843687b61758ae4dc7045df5dced61e937.tar.gz bcm5719-llvm-57d46b843687b61758ae4dc7045df5dced61e937.zip | |
Add subclass data to the FoldingSetNode for MemIntrinsicSDNodes.
Not having the subclass data on an MemIntrinsicSDNodes means it was possible
to try to fold 2 nodes with the same operands but differing MMO flags. This
would trip an assertion when trying to refine the alignment between the 2
MachineMemOperands.
Differential Revision: https://reviews.llvm.org/D38898
llvm-svn: 316737
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index dd5e1e5a3ee..b92ca2b5aec 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -5746,6 +5746,8 @@ SDValue SelectionDAG::getMemIntrinsicNode(unsigned Opcode, const SDLoc &dl, if (VTList.VTs[VTList.NumVTs-1] != MVT::Glue) { FoldingSetNodeID ID; AddNodeIDNode(ID, Opcode, VTList, Ops); + ID.AddInteger(getSyntheticNodeSubclassData<MemIntrinsicSDNode>( + Opcode, dl.getIROrder(), VTList, MemVT, MMO)); ID.AddInteger(MMO->getPointerInfo().getAddrSpace()); void *IP = nullptr; if (SDNode *E = FindNodeOrInsertPos(ID, dl, IP)) { |
