Add script only updating tacle-check

update-tacle-check.sh

+#!/bin/sh -xe
+
+export BASE=`pwd`
+export LLVM_BUILD="${BASE}/build"
+export LLVM_SRC="${BASE}/llvm"
+export CLANG_SRC="${LLVM_SRC}/tools/clang"
+
+# valid build directory?
+if ! test -d ${LLVM_BUILD}; then
+  echo "Build directory is missing: ${LLVM_BUILD}" >&2
+  exit 1
+fi
+
+cd 
+
+cd ${CLANG_SRC}
+git pull
+cd ${BASE}
+
+# build llvm/clang
+cd ${LLVM_BUILD}
+if which cmake ; then
+    make tacle-check
+else
+    echo "cmake is missing" >&2
+    exit 1
+fi
+
+
+