cmake: add command polly-check-format

This command runs clang-format on all files and reports formatting problems

llvm-svn: 175170

1 files changed, 19 insertions, 0 deletions

diff --git a/polly/utils/check_format.sh b/polly/utils/check_format.sh
new file mode 100755
index 000000000000..94a14a1873f2
--- /dev/null
+++ b/polly/utils/check_format.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+OK=0
+
+for ARG in "$@"
+  do
+    clang-format $1 | diff $1 -
+
+    if [[ $? -eq 1 ]]; then
+      OK=1
+    fi
+  done
+
+if [[ $OK -eq "1" ]]; then
+  echo "Error: clang-format reported formatting differences"
+else
+  echo "OK: clang-format reported no formatting differences"
+fi
+