Documentation upgrade.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16445 91177308-0d34-0410-b5e6-96231b3b80d8

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

utils/getsrcs.sh

@@ -1,6 +1,20 @@
 #!/bin/sh
-# This is useful because it prints out all of the source files.  Useful for
-# greps.
+##===- utils/getsrcs.sh - Counts Lines Of Code ---------------*- Script -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file was developed by Chris Lattner and Reid Spencer and is distributed 
+# under the # University of Illinois Open Source License. See LICENSE.TXT for 
+# details.
+# 
+##===----------------------------------------------------------------------===##
+#
+# This script just prints out the path names for all the source files in LLVM.
+#
+# 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

utils/llvmgrep

@@ -1,6 +1,23 @@
 #!/bin/sh
-# This is useful because it prints out all of the source files.  Useful for
-# greps.
+##===- utils/llvmgrep - Counts Lines Of Code -----------------*- Script -*-===##
+# 
+#                     The LLVM Compiler Infrastructure
+#
+# This file was developed by Reid Spencer and is distributed under the 
+# University of Illinois Open Source License. See LICENSE.TXT for details.
+# 
+##===----------------------------------------------------------------------===##
+#
+# This script searches your srcdir for an egrep style pattern. This can quickly
+# help you build a list of the places you need to modify when changing a header
+# or other "global" name. The only argument is the pattern you want to search
+# for. It should be quoted to escape shell interpretation of the pattern's
+# special characters.
+#
+# 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