eliminate the old InstFormatName which is always "AsmString",
simplify CodeGenInstruction. No functionality change.

llvm-svn: 117891
diff --git a/llvm/utils/TableGen/CodeGenInstruction.h b/llvm/utils/TableGen/CodeGenInstruction.h
index 93d1ce1..33701ec 100644
--- a/llvm/utils/TableGen/CodeGenInstruction.h
+++ b/llvm/utils/TableGen/CodeGenInstruction.h
@@ -185,7 +185,7 @@
       return false;
     }
 
-    CodeGenInstruction(Record *R, const std::string &AsmStr);
+    CodeGenInstruction(Record *R);
 
     /// getOperandNamed - Return the index of the operand with the specified
     /// non-empty name.  If the instruction does not have an operand with the