diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index e23e0459e8..c25b82aae7 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -3074,6 +3074,20 @@ SDOperand SelectionDAG::getAtomic(unsigned Opcode, SDOperand Chain, return SDOperand(N, 0); } +/// getMergeValues - Create a MERGE_VALUES node from the given operands. +/// Allowed to return something different (and simpler) if Simplify is true. +SDOperand SelectionDAG::getMergeValues(SDOperandPtr Ops, unsigned NumOps, + bool Simplify) { + if (Simplify && NumOps == 1) + return Ops[0]; + + SmallVector<MVT, 4> VTs; + VTs.reserve(NumOps); + for (unsigned i = 0; i < NumOps; ++i) + VTs.push_back(Ops[i].getValueType()); + return getNode(ISD::MERGE_VALUES, getVTList(&VTs[0], NumOps), Ops, NumOps); +} + SDOperand SelectionDAG::getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, MVT VT, SDOperand Chain, |