[MCSched] Bind PFM Counters to the CPUs instead of the SchedModel.

Summary:
The pfm counters are now in the ExegesisTarget rather than the
MCSchedModel (PR39165).

This also compresses the pfm counter tables (PR37068).

Reviewers: RKSimon, gchatelet

Subscribers: mgrang, llvm-commits

Differential Revision: https://reviews.llvm.org/D52932

llvm-svn: 345243
diff --git a/llvm/utils/TableGen/TableGenBackends.h b/llvm/utils/TableGen/TableGenBackends.h
index 1329a6d..f4f2909 100644
--- a/llvm/utils/TableGen/TableGenBackends.h
+++ b/llvm/utils/TableGen/TableGenBackends.h
@@ -89,6 +89,7 @@
 void EmitX86EVEX2VEXTables(RecordKeeper &RK, raw_ostream &OS);
 void EmitX86FoldTables(RecordKeeper &RK, raw_ostream &OS);
 void EmitRegisterBank(RecordKeeper &RK, raw_ostream &OS);
+void EmitExegesis(RecordKeeper &RK, raw_ostream &OS);
 
 } // End llvm namespace