diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index f40565c5fd1..575046623a1 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -161,6 +161,7 @@ private: SDValue EmitStackConvert(SDValue SrcOp, EVT SlotVT, EVT DestVT, const SDLoc &dl, SDValue ChainIn); SDValue ExpandBUILD_VECTOR(SDNode *Node); + SDValue ExpandSPLAT_VECTOR(SDNode *Node); SDValue ExpandSCALAR_TO_VECTOR(SDNode *Node); void ExpandDYNAMIC_STACKALLOC(SDNode *Node, SmallVectorImpl<SDValue> &Results); @@ -2005,6 +2006,14 @@ SDValue SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) { return ExpandVectorBuildThroughStack(Node); } +SDValue SelectionDAGLegalize::ExpandSPLAT_VECTOR(SDNode *Node) { + SDLoc DL(Node); + EVT VT = Node->getValueType(0); + SDValue SplatVal = Node->getOperand(0); + + return DAG.getSplatBuildVector(VT, DL, SplatVal); +} + // Expand a node into a call to a libcall. If the result value // does not fit into a register, return the lo part and set the hi part to the // by-reg argument. If it does fit into a single register, return the result @@ -3642,6 +3651,9 @@ bool SelectionDAGLegalize::ExpandNode(SDNode *Node) { case ISD::BUILD_VECTOR: Results.push_back(ExpandBUILD_VECTOR(Node)); break; + case ISD::SPLAT_VECTOR: + Results.push_back(ExpandSPLAT_VECTOR(Node)); + break; case ISD::SRA: case ISD::SRL: case ISD::SHL: { |