Factor GC metadata table assembly generation out of Collector in preparation for splitting AsmPrinter into its own library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54881 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/GCMetadataPrinter.cpp

@@ -0,0 +1,31 @@
+//===-- Collector.cpp - Garbage collection infrastructure -----------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements target- and collector-independent garbage collection
+// infrastructure.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/GCStrategy.h"
+
+using namespace llvm;
+
+GCMetadataPrinter::GCMetadataPrinter() { }
+
+GCMetadataPrinter::~GCMetadataPrinter() { }
+
+void GCMetadataPrinter::beginAssembly(std::ostream &OS, AsmPrinter &AP,
+                                      const TargetAsmInfo &TAI) {
+  // Default is no action.
+}
+
+void GCMetadataPrinter::finishAssembly(std::ostream &OS, AsmPrinter &AP,
+                                       const TargetAsmInfo &TAI) {
+  // Default is no action.
+}