disolve a hack, having CodeGenInstAlias decode the alias in the .td

file instead of the asmmatcher.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118324 91177308-0d34-0410-b5e6-96231b3b80d8

utils/TableGen/CodeGenInstruction.h

@@ -15,6 +15,7 @@
 #define CODEGEN_INSTRUCTION_H
 
 #include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/ADT/StringRef.h"
 #include <string>
 #include <vector>
 #include <utility>
@@ -264,7 +265,22 @@ namespace llvm {
     /// Result - The result instruction.
     DagInit *Result;
     
-    CodeGenInstAlias(Record *R);
+    /// ResultInst - The instruction generated by the alias (decoded from
+    /// Result).
+    CodeGenInstruction *ResultInst;
+    
+    
+    struct ResultOperand {
+      StringRef Name;
+      Record *R;
+      
+      ResultOperand(StringRef N, Record *r) : Name(N), R(r) {}
+    };
+    
+    /// ResultOperands - The decoded operands for the result instruction.
+    std::vector<ResultOperand> ResultOperands;
+    
+    CodeGenInstAlias(Record *R, CodeGenTarget &T);
   };    
 }