Reapply 63765.  Patches for clang and llvm-gcc to follow.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63812 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/IntrinsicEmitter.h b/utils/TableGen/IntrinsicEmitter.h
index 3573692..0f3f0e7 100644
--- a/utils/TableGen/IntrinsicEmitter.h
+++ b/utils/TableGen/IntrinsicEmitter.h
@@ -20,9 +20,12 @@
 namespace llvm {
   class IntrinsicEmitter : public TableGenBackend {
     RecordKeeper &Records;
+    bool TargetOnly;
+    std::string TargetPrefix;
     
   public:
-    IntrinsicEmitter(RecordKeeper &R) : Records(R) {}
+    IntrinsicEmitter(RecordKeeper &R, bool T = false) 
+      : Records(R), TargetOnly(T) {}
 
     void run(std::ostream &OS);