1 files changed, 27 insertions, 1 deletions
diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index aaa39674d7..a850b3fcb5 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -1703,6 +1703,32 @@ public:
   }
 };
 
+class ShuffleVectorSDNode : public SDNode {
+  SDUse Ops[2];
+  int *Mask;
+protected:
+  friend class SelectionDAG;
+  ShuffleVectorSDNode(MVT VT, DebugLoc dl, SDValue N1, SDValue N2, int *M)
+    : SDNode(ISD::VECTOR_SHUFFLE, dl, getSDVTList(VT)), Mask(M) {
+    InitOperands(Ops, N1, N2);
+  }
+public:
+
+  const int * getMask() const { return Mask; }
+  
+  bool isSplat() { return isSplatMask(Mask, getValueType(0)); }
+  int  getSplatIndex() { 
+    assert(isSplat() && "Cannot get splat index for non-splat!");
+    return Mask[0];
+  }
+  static bool isSplatMask(const int *Mask, MVT VT);
+
+  static bool classof(const ShuffleVectorSDNode *) { return true; }
+  static bool classof(const SDNode *N) {
+    return N->getOpcode() == ISD::VECTOR_SHUFFLE;
+  }
+};
+  
 class ConstantSDNode : public SDNode {
   const ConstantInt *Value;
   friend class SelectionDAG;
@@ -2084,7 +2110,7 @@ public:
     return N->getOpcode() == ISD::CONDCODE;
   }
 };
-
+  
 /// CvtRndSatSDNode - NOTE: avoid using this node as this may disappear in the
 /// future and most targets don't support it.
 class CvtRndSatSDNode : public SDNode {