| //===-- main.cpp ------------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| volatile int x; |
| |
| void __attribute__((noinline)) sink() { |
| x++; /* break here */ |
| } |
| |
| void __attribute__((noinline)) func3() { sink(); /* tail */ } |
| |
| void __attribute__((disable_tail_calls, noinline)) func2() { func3(); /* regular */ } |
| |
| void __attribute__((noinline)) func1() { func2(); /* tail */ } |
| |
| int __attribute__((disable_tail_calls)) main() { |
| func1(); /* regular */ |
| return 0; |
| } |