Support stand alone metadata syntax.

!0 = constant metadata !{i32 21, i32 22}
@llvm.blah = constant metadata !{i32 1000, i16 200, metadata !0}

llvm-svn: 74630
4 files changed
tree: dfa3f29dbd8ee47218fc62d9b5379f3d23f68503
  1. clang/
  2. compiler-rt/
  3. llvm/