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add header to help with template testing

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@363503 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier 2019-06-15 21:16:57 +00:00
parent 2a9550e537
commit cd4a856d45
1 changed files with 36 additions and 0 deletions
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36
test/support/template_cost_testing.h Normal file
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//===----------------------------------------------------------------------===//
//
// 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