tree 6a2893bd0d033dc570fa80dfd3138d60312ee49a
parent a7be2f4c745120d6ee5adfd19ef259919bdc3f7f
author Aaron Ballman <aaron@aaronballman.com> 1378769597 +0000
committer Aaron Ballman <aaron@aaronballman.com> 1378769597 +0000

Attribute tablegen now understands that attribute arguments can be optional.  This allows for automated checking of the number of arguments expected vs number of arguments given for attributes.  Greatly reduces the amount of manual checking required.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190368 91177308-0d34-0410-b5e6-96231b3b80d8