1 files changed, 59 insertions, 0 deletions
diff --git a/src/glsl/tests/compare_ir b/src/glsl/tests/compare_ir
new file mode 100755
index 00000000000..a40fc810cf3
--- /dev/null
+++ b/src/glsl/tests/compare_ir
@@ -0,0 +1,59 @@
+#!/usr/bin/env python
+# coding=utf-8
+#
+# Copyright © 2011 Intel Corporation
+#
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice (including the next
+# paragraph) shall be included in all copies or substantial portions of the
+# Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
+
+# Compare two files containing IR code.  Ignore formatting differences
+# and declaration order.
+
+import os
+import os.path
+import subprocess
+import sys
+import tempfile
+
+from sexps import *
+
+if len(sys.argv) != 3:
+    print 'Usage: compare_ir <file1> <file2>'
+    exit(1)
+
+with open(sys.argv[1]) as f:
+    ir1 = sort_decls(parse_sexp(f.read()))
+with open(sys.argv[2]) as f:
+    ir2 = sort_decls(parse_sexp(f.read()))
+
+if ir1 == ir2:
+    exit(0)
+else:
+    file1, path1 = tempfile.mkstemp(os.path.basename(sys.argv[1]))
+    file2, path2 = tempfile.mkstemp(os.path.basename(sys.argv[2]))
+    try:
+        os.write(file1, '{0}\n'.format(sexp_to_string(ir1)))
+        os.close(file1)
+        os.write(file2, '{0}\n'.format(sexp_to_string(ir2)))
+        os.close(file2)
+        subprocess.call(['diff', '-u', path1, path2])
+    finally:
+        os.remove(path1)
+        os.remove(path2)
+    exit(1)