Index: llvm/utils/vim/syntax/llvm.vim
===================================================================
--- llvm/utils/vim/syntax/llvm.vim
+++ llvm/utils/vim/syntax/llvm.vim
@@ -234,7 +234,8 @@
 syn match  llvmSpecialComment /;\s*RUN:.*$/
 syn match  llvmSpecialComment /;\s*ALLOW_RETRIES:.*$/
 syn match  llvmSpecialComment /;\s*CHECK:.*$/
-syn match  llvmSpecialComment "\v;\s*CHECK-(NEXT|NOT|DAG|SAME|LABEL):.*$"
+syn match  llvmSpecialComment /;\s*CHECK-EMPTY:\s*$/
+syn match  llvmSpecialComment /\v;\s*CHECK-(NEXT|NOT|DAG|SAME|LABEL|COUNT-\d+):.*$/
 syn match  llvmSpecialComment /;\s*XFAIL:.*$/
 
 if version >= 508 || !exists("did_c_syn_inits")