Added support for register allocators to record which intervals are spill intervals, and where the uses and defs of the original intervals were in the original code.

Spill intervals can be hidden using the "-rmf-intervals=virt-nospills*" option.

llvm-svn: 112811

llvm-svn: 110460

llvm-svn: 110410

ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396

Changed OStream templates to functions on raw_ostream, removed the unused "renderWarnings" function.

llvm-svn: 109003

and interval table. Reduces output HTML file sizes by ~80% in my test cases.

Also fix access of private member type by << operator.

llvm-svn: 108823

Reduces output file size ~20% on my test cases.

llvm-svn: 108822

Updated renderer to use allocation information from VirtRegMap (if
available) to render spilled intervals differently.

llvm-svn: 108815

pressure estimates and liveness alongside.

Still experimental.

llvm-svn: 108698