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/*===- InstrProfilingExtras.h - Support library for PGO instrumentation ---===*\
|*
|* The LLVM Compiler Infrastructure
|*
|* This file is distributed under the University of Illinois Open Source
|* License. See LICENSE.TXT for details.
|*
\*===----------------------------------------------------------------------===*/
/*!
* \brief Write instrumentation data to the current file.
*
* Writes to the file with the last name given to \a __llvm_profile_set_filename(),
* or if it hasn't been called, the \c LLVM_PROFILE_FILE environment variable,
* or if that's not set, \c "default.profdata".
*/
int __llvm_profile_write_file(void);
/*!
* \brief Set the filename for writing instrumentation data.
*
* Sets the filename to be used for subsequent calls to
* \a __llvm_profile_write_file().
*
* \c Name is not copied, so it must remain valid. Passing NULL resets the
* filename logic to the default behaviour.
*/
void __llvm_profile_set_filename(const char *Name);
/*! \brief Register to write instrumentation data to file at exit. */
int __llvm_profile_register_write_file_atexit(void);
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