[vim] Recognize more FileCheck comments

Summary:
Currently vim syntax highlighting recognizes 'CHECK:' as a special
comment, but not CHECK-DAG, CHECK-NOT and other CHECKs. This patch
adds rules for these comments.

Reviewers: chandlerc, compnerd, rogfer01

Reviewed By: rogfer01

Subscribers: rogfer01, llvm-commits

Differential Revision: https://reviews.llvm.org/D43289

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@325599 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed