+ METADATA_STRING = 1, // MDSTRING: [values]
+ // FIXME: Remove NODE in favor of NODE2 in LLVM 3.0
+ METADATA_NODE = 2, // NODE with potentially invalid metadata
+ // FIXME: Remove FN_NODE in favor of FN_NODE2 in LLVM 3.0
+ METADATA_FN_NODE = 3, // FN_NODE with potentially invalid metadata
+ METADATA_NAME = 4, // STRING: [values]
+ // FIXME: Remove NAMED_NODE in favor of NAMED_NODE2 in LLVM 3.0
+ METADATA_NAMED_NODE = 5, // NAMED_NODE with potentially invalid metadata
+ METADATA_KIND = 6, // [n x [id, name]]
+ // FIXME: Remove ATTACHMENT in favor of ATTACHMENT2 in LLVM 3.0
+ METADATA_ATTACHMENT = 7, // ATTACHMENT with potentially invalid metadata
+ METADATA_NODE2 = 8, // NODE2: [n x (type num, value num)]
+ METADATA_FN_NODE2 = 9, // FN_NODE2: [n x (type num, value num)]
+ METADATA_NAMED_NODE2 = 10, // NAMED_NODE2: [n x mdnodes]
+ METADATA_ATTACHMENT2 = 11 // [m x [value, [n x [id, mdnode]]]