fa48899e70
C++20 adds [[(un)likely]], which is being allowed. This should replace our existing macro usage. Bug: 40256217 Change-Id: I833f2272f01dc5e4e0f1ac5fe2937e7bf511f6b5 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5763878 Reviewed-by: Daniel Cheng <dcheng@chromium.org> Auto-Submit: Peter Kasting <pkasting@chromium.org> Commit-Queue: Daniel Cheng <dcheng@chromium.org> Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com> Cr-Commit-Position: refs/heads/main@{#1337712}
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
// Copyright 2011 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This file is meant for analyzing the code generated by the CHECK
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// macros in a small executable file that's easy to disassemble.
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#include <ostream>
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#include "base/check_op.h"
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#include "base/compiler_specific.h"
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// An official build shouldn't generate code to print out messages for
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// the CHECK* macros, nor should it have the strings in the
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// executable. It is also important that the CHECK() function collapse to the
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// same implementation as RELEASE_ASSERT(), in particular on Windows x86.
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// Historically, the stream eating caused additional unnecessary instructions.
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// See https://crbug.com/672699.
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#define BLINK_RELEASE_ASSERT_EQUIVALENT(assertion) \
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if (!(assertion)) [[unlikely]] { \
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base::ImmediateCrash(); \
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}
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void DoCheck(bool b) {
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CHECK(b) << "DoCheck " << b;
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}
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void DoBlinkReleaseAssert(bool b) {
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BLINK_RELEASE_ASSERT_EQUIVALENT(b);
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}
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void DoCheckEq(int x, int y) {
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CHECK_EQ(x, y);
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}
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int main(int argc, const char* argv[]) {
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DoCheck(argc > 1);
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DoCheckEq(argc, 1);
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DoBlinkReleaseAssert(argc > 1);
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}
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