IR: Use a bitmask to access GlobalObject subclass data
authorDuncan P. N. Exon Smith <dexonsmith@apple.com>
Fri, 24 Apr 2015 20:47:23 +0000 (20:47 +0000)
committerDuncan P. N. Exon Smith <dexonsmith@apple.com>
Fri, 24 Apr 2015 20:47:23 +0000 (20:47 +0000)
commitaf8df399e1e5b01691de5edf42f09d4d8b308251
tree9132ac3d7ff5a9d64572cc200f2a800cbaffdb0b
parent223d9cfd301cb6f34b66ae9bb18c38250d78dca7
IR: Use a bitmask to access GlobalObject subclass data

Make room for more than just `Function::isMaterializable()` in the
`GlobalObject` subclass data bitfield.  Since we're treating it like a
bitfield, change `Function::Function()` to zero-out the whole thing.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235770 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/IR/Function.h
lib/IR/Function.cpp