diff options
| author | Duncan Sands <baldrick@free.fr> | 2008-07-02 17:40:58 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2008-07-02 17:40:58 +0000 |
| commit | 4bdcb61af33399d4e01fdf3c47ca1f1f5356e370 (patch) | |
| tree | 902058a537253135caf66ca0ef4ee6ad3c8a2035 /lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | 2c04b0da2b23e812cb1c15bb2bd6aac33b34364d (diff) | |
Add a new getMergeValues method that does not need
to be passed the list of value types, and use this
where appropriate. Inappropriate places are where
the value type list is already known and may be
long, in which case the existing method is more
efficient.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53035 91177308-0d34-0410-b5e6-96231b3b80d8
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, |