Allow widening of extract subvector

[oota-llvm.git] / lib / CodeGen / SelectionDAG / LegalizeVectorTypes.cpp

diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
index a03f825a9f043861406b5e26a0d0506ac66cde95..75e12395d8bd037278cf854d3efafa3c2d9834ba 100644 (file)
--- a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -1789,6 +1789,7 @@ bool DAGTypeLegalizer::WidenVectorOperand(SDNode *N, unsigned ResNo) {
 
   case ISD::BIT_CONVERT:        Res = WidenVecOp_BIT_CONVERT(N); break;
   case ISD::CONCAT_VECTORS:     Res = WidenVecOp_CONCAT_VECTORS(N); break;
+  case ISD::EXTRACT_SUBVECTOR:  Res = WidenVecOp_EXTRACT_SUBVECTOR(N); break;
   case ISD::EXTRACT_VECTOR_ELT: Res = WidenVecOp_EXTRACT_VECTOR_ELT(N); break;
   case ISD::STORE:              Res = WidenVecOp_STORE(N); break;
 
@@ -1893,6 +1894,12 @@ SDValue DAGTypeLegalizer::WidenVecOp_CONCAT_VECTORS(SDNode *N) {
   return DAG.getNode(ISD::BUILD_VECTOR, dl, VT, &Ops[0], NumElts);
 }
 
+SDValue DAGTypeLegalizer::WidenVecOp_EXTRACT_SUBVECTOR(SDNode *N) {
+  SDValue InOp = GetWidenedVector(N->getOperand(0));
+  return DAG.getNode(ISD::EXTRACT_SUBVECTOR, N->getDebugLoc(),
+                     N->getValueType(0), InOp, N->getOperand(1));
+}
+
 SDValue DAGTypeLegalizer::WidenVecOp_EXTRACT_VECTOR_ELT(SDNode *N) {
   SDValue InOp = GetWidenedVector(N->getOperand(0));
   return DAG.getNode(ISD::EXTRACT_VECTOR_ELT, N->getDebugLoc(),