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/*===- InstrProfilingExtras.c - 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.
|*
\*===----------------------------------------------------------------------===*/
#include "InstrProfiling.h"
void __llvm_pgo_write_file(const char *OutputName) {
/* TODO: Requires libc: move to separate translation unit. */
FILE *OutputFile;
if (!OutputName || !OutputName[0])
return;
OutputFile = fopen(OutputName, "w");
if (!OutputFile) return;
/* TODO: mmap file to buffer of size __llvm_pgo_get_size_for_buffer() and
* pass the buffer in, instead of the file.
*/
__llvm_pgo_write_buffer(OutputFile);
fclose(OutputFile);
}
void __llvm_pgo_write_default_file() {
/* TODO: Requires libc: move to separate translation unit. */
const char *OutputName = getenv("LLVM_PROFILE_FILE");
if (OutputName == NULL || OutputName[0] == '\0')
OutputName = "default.profdata";
__llvm_pgo_write_file(OutputName);
}
void __llvm_pgo_register_write_atexit() {
/* TODO: Requires libc: move to separate translation unit. */
static int HasBeenRegistered = 0;
if (!HasBeenRegistered) {
HasBeenRegistered = 1;
atexit(__llvm_pgo_write_default_file);
}
}
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