tree b1995c1c5c6fefccb238f4db463372157cae8654
parent 6b884508c3bc97cc9df9516adb92fbf88dd0a2e4
author Chris Lattner <sabre@nondot.org> 1205130022 +0000
committer Chris Lattner <sabre@nondot.org> 1205130022 +0000

add comments about some simple optimizations that may become 
more important if this api gets wider use.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48131 91177308-0d34-0410-b5e6-96231b3b80d8