Add optional timing logging for code completion results.  This causes a UDP packet
containing the time taken for the code completion to be sent to a designated server
(which is specified using a compile-time -D flag).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101326 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed