[weak vtables] Remove a bunch of weak vtables

This patch removes most of the trivial cases of weak vtables by pinning them to
a single object file. The memory leaks in this version have been fixed. Thanks
Alexey for pointing them out.

Differential Revision: http://llvm-reviews.chandlerc.com/D2068

Reviewed by Andy

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195064 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 3 insertions, 0 deletions

diff --git a/include/llvm/MC/MCAtom.h b/include/llvm/MC/MCAtom.h
index 4758588..eab32d6 100644
--- a/include/llvm/MC/MCAtom.h
+++ b/include/llvm/MC/MCAtom.h
@@ -32,6 +32,7 @@ class MCDataAtom;
 /// \brief Represents a contiguous range of either instructions (a TextAtom)
 /// or data (a DataAtom).  Address ranges are expressed as _closed_ intervals.
 class MCAtom {
+  virtual void anchor();
 public:
   virtual ~MCAtom() {}
 
diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index 04af407..0b1fe6e 100644
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -76,6 +76,7 @@ public:
 // FIXME: declared here because it is used from
 // lib/CodeGen/AsmPrinter/ARMException.cpp.
 class ARMTargetStreamer : public MCTargetStreamer {
+  virtual void anchor();
 public:
   virtual void emitFnStart() = 0;
   virtual void emitFnEnd() = 0;
diff --git a/include/llvm/MC/MCWinCOFFObjectWriter.h b/include/llvm/MC/MCWinCOFFObjectWriter.h
index f13e7d5..213481c 100644
--- a/include/llvm/MC/MCWinCOFFObjectWriter.h
+++ b/include/llvm/MC/MCWinCOFFObjectWriter.h
@@ -17,6 +17,7 @@ namespace llvm {
   class raw_ostream;
 
   class MCWinCOFFObjectTargetWriter {
+    virtual void anchor();
     const unsigned Machine;
 
   protected: