Add selection DAG nodes for subreg insert/extract. PR1350


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40516 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetSelectionDAG.td b/lib/Target/TargetSelectionDAG.td
index 491bb02..4b6d881 100644
--- a/lib/Target/TargetSelectionDAG.td
+++ b/lib/Target/TargetSelectionDAG.td
@@ -317,6 +317,11 @@
     SDTypeProfile<1, 2, [SDTCisPtrTy<2>]>, []>;
 def vector_insert : SDNode<"ISD::INSERT_VECTOR_ELT",
     SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>, SDTCisPtrTy<3>]>, []>;
+    
+def extract_subreg : SDNode<"ISD::EXTRACT_SUBREG", 
+    SDTypeProfile<1, 2, []>>;
+def insert_subreg : SDNode<"ISD::INSERT_SUBREG", 
+    SDTypeProfile<1, 3, []>>;
 
 // Nodes for intrinsics, you should use the intrinsic itself and let tblgen use
 // these internally.  Don't reference these directly.