Documentation upgrade.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16445 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/countloc.sh b/utils/countloc.sh
index cc67afe..fe77de9 100755
--- a/utils/countloc.sh
+++ b/utils/countloc.sh
@@ -12,9 +12,13 @@
# (excluding certain things), runs "wc -l" on them to get the number of lines in
# each file and then sums up and prints the total with awk.
#
-# The script takes no arguments but does expect to be run from the top llvm
-# source directory.
+# The script takes no arguments but does expect to be run from somewhere in
+# the top llvm source directory.
#
+# Note that the implementation is based on llvmdo. See that script for more
+# details.
+##===----------------------------------------------------------------------===##
+
TOPDIR=`pwd | sed -e 's#\(.*/llvm\).*#\1#'`
if test -d "$TOPDIR" ; then
cd $TOPDIR