Benjamin Kramer c835b8c301 Turn the enum attributes DenseSet in AttrBuilder into a set of bits.
Avoids malloc and is a lot denser. We lose iteration over target independent
attributes, but that's a strange interface anyways and didn't have any users
outside of AttrBuilder.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175370 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-16 19:13:18 +00:00
..
2013-02-15 23:51:59 +00:00
2013-02-16 01:56:36 +00:00
2013-02-05 16:40:22 +00:00