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// UNSUPPORTED: target={{.*windows.*}}
// The sanitizer-windows bot is saying:
// instrprof-write-buffer-internal.c.tmp.buf.profraw: Invalid instrumentation profile data (file header is corrupt)
// RUN: rm -f %t.buf.profraw %t.profraw
// RUN: %clang_profgen -w -o %t %s
// RUN: env LLVM_PROFILE_FILE=%t.profraw %run %t %t.buf.profraw
// RUN: llvm-profdata show %t.buf.profraw | FileCheck %s -check-prefix=WRITE-BUFFER
// RUN: not llvm-profdata show %t.profraw 2>&1 | FileCheck %s -check-prefix=ALREADY-DUMPED
// WRITE-BUFFER: Instrumentation level: Front-end
// WRITE-BUFFER: Total functions: 1
// WRITE-BUFFER: Maximum function count: 1
// WRITE-BUFFER: Maximum internal block count: 0
// ALREADY-DUMPED: error: {{.+}}: empty raw profile file
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
const void *__llvm_profile_begin_data(void);
const void *__llvm_profile_end_data(void);
const char *__llvm_profile_begin_names(void);
const char *__llvm_profile_end_names(void);
char *__llvm_profile_begin_counters(void);
char *__llvm_profile_end_counters(void);
uint64_t __llvm_profile_get_size_for_buffer_internal(
const void *DataBegin, const void *DataEnd, const char *CountersBegin,
const char *CountersEnd, const char *NamesBegin, const char *NamesEnd);
int __llvm_profile_write_buffer_internal(char *Buffer, const void *DataBegin,
const void *DataEnd,
const char *CountersBegin,
const char *CountersEnd,
const char *NamesBegin,
const char *NamesEnd);
void __llvm_profile_set_dumped(void);
int main(int argc, const char *argv[]) {
uint64_t bufsize = __llvm_profile_get_size_for_buffer_internal(
__llvm_profile_begin_data(), __llvm_profile_end_data(),
__llvm_profile_begin_counters(), __llvm_profile_end_counters(),
__llvm_profile_begin_names(), __llvm_profile_end_names());
char *buf = malloc(bufsize);
int ret = __llvm_profile_write_buffer_internal(buf,
__llvm_profile_begin_data(), __llvm_profile_end_data(),
__llvm_profile_begin_counters(), __llvm_profile_end_counters(),
__llvm_profile_begin_names(), __llvm_profile_end_names());
if (ret != 0) {
fprintf(stderr, "failed to write buffer");
return ret;
}
FILE *f = fopen(argv[1], "w");
fwrite(buf, bufsize, 1, f);
fclose(f);
free(buf);
__llvm_profile_set_dumped();
return 0;
}
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