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0b5bb3b2b4
'void (__cdecl *)()' differs in parameter lists from 'void (__cdecl *)(void)' atexit really expects a "void f(void)" function. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132061 91177308-0d34-0410-b5e6-96231b3b80d8
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/*===-- OptimalEdgeProfiling.c - Support library for opt. edge profiling --===*\
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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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|*
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|* This file implements the call back routines for the edge profiling
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|* instrumentation pass. This should be used with the
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|* -insert-opt-edge-profiling LLVM pass.
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|*
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\*===----------------------------------------------------------------------===*/
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#include "Profiling.h"
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#include <stdlib.h>
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static unsigned *ArrayStart;
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static unsigned NumElements;
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/* OptEdgeProfAtExitHandler - When the program exits, just write out the
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* profiling data.
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*/
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static void OptEdgeProfAtExitHandler(void) {
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/* Note that, although the array has a counter for each edge, not all
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* counters are updated, the ones that are not used are initialised with -1.
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* When loading this information the counters with value -1 have to be
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* recalculated, it is guaranteed that this is possible.
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*/
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write_profiling_data(OptEdgeInfo, ArrayStart, NumElements);
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}
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/* llvm_start_opt_edge_profiling - This is the main entry point of the edge
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* profiling library. It is responsible for setting up the atexit handler.
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*/
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int llvm_start_opt_edge_profiling(int argc, const char **argv,
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unsigned *arrayStart, unsigned numElements) {
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int Ret = save_arguments(argc, argv);
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ArrayStart = arrayStart;
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NumElements = numElements;
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atexit(OptEdgeProfAtExitHandler);
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return Ret;
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}
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