llvm/runtime/libprofile/Profiling.h
Andrew Trick 04317cc618 Implementation of path profiling.
Modified patch by Adam Preuss.

This builds on the existing framework for block tracing, edge profiling and optimal edge profiling.
See -help-hidden for new flags.
For documentation, see the technical report "Implementation of Path Profiling..." in llvm.org/pubs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124515 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-29 01:09:53 +00:00

37 lines
1.1 KiB
C

/*===-- Profiling.h - Profiling support library support routines ----------===*\
|*
|* The LLVM Compiler Infrastructure
|*
|* This file is distributed under the University of Illinois Open Source
|* License. See LICENSE.TXT for details.
|*
|*===----------------------------------------------------------------------===*|
|*
|* This file defines functions shared by the various different profiling
|* implementations.
|*
\*===----------------------------------------------------------------------===*/
#ifndef PROFILING_H
#define PROFILING_H
#include "llvm/Analysis/ProfileInfoTypes.h" /* for enum ProfilingType */
/* save_arguments - Save argc and argv as passed into the program for the file
* we output.
*/
int save_arguments(int argc, const char **argv);
/*
* Retrieves the file descriptor for the profile file.
*/
int getOutFile();
/* write_profiling_data - Write out a typed packet of profiling data to the
* current output file.
*/
void write_profiling_data(enum ProfilingType PT, unsigned *Start,
unsigned NumElements);
#endif