Tablegen support for insert & extract element matching


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenDAGPatterns.h b/utils/TableGen/CodeGenDAGPatterns.h
index d62b279..44c154a 100644
--- a/utils/TableGen/CodeGenDAGPatterns.h
+++ b/utils/TableGen/CodeGenDAGPatterns.h
@@ -56,7 +56,8 @@
   unsigned OperandNo;   // The operand # this constraint applies to.
   enum { 
     SDTCisVT, SDTCisPtrTy, SDTCisInt, SDTCisFP, SDTCisSameAs, 
-    SDTCisVTSmallerThanOp, SDTCisOpSmallerThanOp, SDTCisIntVectorOfSameSize
+    SDTCisVTSmallerThanOp, SDTCisOpSmallerThanOp, SDTCisIntVectorOfSameSize,
+    SDTCisEltOfVec
   } ConstraintType;
   
   union {   // The discriminated union.
@@ -75,6 +76,9 @@
     struct {
       unsigned OtherOperandNum;
     } SDTCisIntVectorOfSameSize_Info;
+    struct {
+      unsigned OtherOperandNum;
+    } SDTCisEltOfVec_Info;
   } x;
 
   /// ApplyTypeConstraint - Given a node in a pattern, apply this type