f5941b8d08
Summary: If the string is not formatted, these can happen when compiled with GCC: 1. If it is a null string "", then GCC completely removes the call to printf even with -O0. 2. If the string is a single character string, say "\n" for example, then GCC replaces the call to printf with a call to putchar. 3. If the string length is greater than 1, but is not formatted, then GCC replaces the call to printf with a call to puts. All the above will fail the test as we want a breakpoint on "printf" to hit. Test Plan: dotest.py -C gcc -p TestMiBreak Reviewers: chying, ki.stfu Reviewed By: ki.stfu Subscribers: lldb-commits Differential Revision: http://reviews.llvm.org/D9025 llvm-svn: 235034
18 lines
533 B
C++
18 lines
533 B
C++
//===-- main.cpp ------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <cstdio>
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int
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main(int argc, char const *argv[])
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{
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printf("Print a formatted string so that GCC does not optimize this printf call: %s\n", argv[0]);
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return 0; // BP_return
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}
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