define a new CodeGenInstAlias.  It has an asmstring and operand list for now,
todo: the result field.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117894 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeGenInstruction.cpp b/utils/TableGen/CodeGenInstruction.cpp
index 5eceaeb..8a05374 100644
--- a/utils/TableGen/CodeGenInstruction.cpp
+++ b/utils/TableGen/CodeGenInstruction.cpp
@@ -382,3 +382,13 @@
   return Res;
 }
 
+
+//===----------------------------------------------------------------------===//
+/// CodeGenInstAlias Implementation
+//===----------------------------------------------------------------------===//
+
+CodeGenInstAlias::CodeGenInstAlias(Record *R) : TheDef(R), Operands(R) {
+  AsmString = R->getValueAsString("AsmString");
+
+  
+}