Split Support/Registry.h into two files so that we have less to
recompile every time CommandLine.h is changed.

llvm-svn: 62312

llvm-svn: 62307

llvm-svn: 56575

llvm-svn: 56574

llvm-svn: 55092

llvm-svn: 54901

In particular, Collector was confusing to implementors. Several
thought that this compile-time class was the place to implement
their runtime GC heap. Of course, it doesn't even exist at runtime.
Specifically, the renames are:

  Collector               -> GCStrategy
  CollectorMetadata       -> GCFunctionInfo
  CollectorModuleMetadata -> GCModuleInfo
  CollectorRegistry       -> GCRegistry
  Function::getCollector  -> getGC (setGC, hasGC, clearGC)

Several accessors and nested types have also been renamed to be
consistent. These changes should be obvious.

llvm-svn: 54899

llvm-svn: 54891

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

llvm-svn: 54881

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

llvm-svn: 54880

llvm-svn: 54574

several things that were neither in an anonymous namespace nor static
but not intended to be global.

llvm-svn: 51017

llvm-svn: 45700

providing a misleading facility. It's used once in the MIPS backend
and hardcoded as "\t.globl\t" everywhere else.

llvm-svn: 45676