Move llvm util dependencies from clang-tools-extra to add_lit_target.

Summary:
Address fixme in r301762. And would simplify the cmake file in
clang-tools-extra.

Reviewers: sammccall

Subscribers: mgorny, llvm-commits, cfe-commits

Differential Revision: https://reviews.llvm.org/D52713

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343473 91177308-0d34-0410-b5e6-96231b3b80d8

Author: hokein

cmake/modules/AddLLVM.cmake

@@ -1367,6 +1367,17 @@ function(add_lit_target target comment)
       COMMAND ${CMAKE_COMMAND} -E echo "${target} does nothing, no tools built.")
     message(STATUS "${target} does nothing.")
   endif()
+
+  # Add lit test dependencies.
+  set(llvm_utils_deps
+    FileCheck count not
+  )
+  foreach(dep ${llvm_utils_deps})
+    if (TARGET ${dep})
+      add_dependencies(${target} ${dep})
+    endif()
+  endforeach()
+
   if (ARG_DEPENDS)
     add_dependencies(${target} ${ARG_DEPENDS})
   endif()