commit cd4a856d4510e69525d44965b2afb26edae24191
author Eric Fiselier <eric@efcs.ca> Sat Jun 15 21:16:57 2019 +0000
committer Eric Fiselier <eric@efcs.ca> Sat Jun 15 21:16:57 2019 +0000
tree 4e1cb0f4e0da9d52c5da7b15c68f720eebb3453b
parent 2a9550e5376e53f8f7d28a38e2584bc5586a991a

add header to help with template testing

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@363503 91177308-0d34-0410-b5e6-96231b3b80d8

test/support/template_cost_testing.h

diff --git a/test/support/template_cost_testing.h b/test/support/template_cost_testing.h
new file mode 100644
index 0000000..c964759
--- /dev/null
+++ b/test/support/template_cost_testing.h
@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+#ifndef TEST_SUPPORT_TEMPLATE_COST_TESTING_H
+#define TEST_SUPPORT_TEMPLATE_COST_TESTING_H
+
+// This file contains macros used to repeat an expression many times.
+// This is useful for testing the compile time and memory usage
+// of templates.
+
+#define REPEAT_10(DO_IT) \
+    DO_IT() DO_IT() DO_IT() DO_IT() DO_IT() \
+    DO_IT() DO_IT() DO_IT() DO_IT() DO_IT()
+#define REPEAT_100(DO_IT) \
+    REPEAT_10(DO_IT) REPEAT_10(DO_IT) REPEAT_10(DO_IT) REPEAT_10(DO_IT) REPEAT_10(DO_IT) \
+    REPEAT_10(DO_IT) REPEAT_10(DO_IT) REPEAT_10(DO_IT) REPEAT_10(DO_IT) REPEAT_10(DO_IT)
+#define REPEAT_200(DO_IT) \
+    REPEAT_100(DO_IT) REPEAT_100(DO_IT)
+#define REPEAT_300(DO_IT) \
+    REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT)
+#define REPEAT_500(DO_IT) \
+    REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT)
+#define REPEAT_1000(DO_IT) \
+    REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT) \
+    REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT) REPEAT_100(DO_IT)
+#define REPEAT_5000(DO_IT) \
+    REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT)
+#define REPEAT_10000(DO_IT) \
+    REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) \
+    REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT) REPEAT_1000(DO_IT)
+
+#endif // TEST_SUPPORT_TEMPLATE_COST_TESTING_H