| // Copyright 2011 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file is meant for analyzing the code generated by the CHECK |
| // macros in a small executable file that's easy to disassemble. |
| |
| #include<ostream> |
| |
| #include"base/check_op.h" |
| #include"base/compiler_specific.h" |
| |
| // An official build shouldn't generate code to print out messages for |
| // the CHECK* macros, nor should it have the strings in the |
| // executable. It is also important that the CHECK() function collapse to the |
| // same implementation as RELEASE_ASSERT(), in particular on Windows x86. |
| // Historically, the stream eating caused additional unnecessary instructions. |
| // See https://crbug.com/672699. |
| |
| #define BLINK_RELEASE_ASSERT_EQUIVALENT(assertion) \ |
| if(!(assertion))[[unlikely]]{ \ |
| base::ImmediateCrash(); \ |
| } |
| |
| voidDoCheck(bool b){ |
| CHECK(b)<<"DoCheck "<< b; |
| } |
| |
| voidDoBlinkReleaseAssert(bool b){ |
| BLINK_RELEASE_ASSERT_EQUIVALENT(b); |
| } |
| |
| voidDoCheckEq(int x,int y){ |
| CHECK_EQ(x, y); |
| } |
| |
| int main(int argc,constchar* argv[]){ |
| DoCheck(argc>1); |
| DoCheckEq(argc,1); |
| DoBlinkReleaseAssert(argc>1); |
| } |
