tree 6bdfbdd247a7dfee5a81632105a8ef8e6f43e629
parent 3f8612b46949a73729ef0e0d985cc8cce1ec096f
author Zhongxing Xu <xuzhongxing@gmail.com> 1277258816 +0000
committer Zhongxing Xu <xuzhongxing@gmail.com> 1277258816 +0000

add comments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106616 91177308-0d34-0410-b5e6-96231b3b80d8