give VZEXT_LOAD a memory operand, it now works with segment registers.

llvm-svn: 114515
7 files changed
tree: df163c4250368b5cf935c132c5d1ba052c29ad7f
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/