Tag cached interference with a user-provided tag instead of the virtual register number.

The live range of a virtual register may change which invalidates the cached
interference information.

llvm-svn: 127772
3 files changed
tree: 2108b1f615dc22197cbcd66bb9d9eb79b517cd4b
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/