| Duncan P. N. Exon Smith | 846a627 | 2014-02-17 23:22:49 +0000 | [diff] [blame] | 1 | llvm-profdata - work with profile data |
| 2 | ====================================== |
| 3 | |
| 4 | SYNOPSIS |
| 5 | -------- |
| 6 | |
| 7 | :program:`llvm-profdata` [-output=output] file1 file2 |
| 8 | |
| 9 | DESCRIPTION |
| 10 | ----------- |
| 11 | |
| 12 | The experimental :program:`llvm-profdata` tool reads two profile data files |
| 13 | generated by PGO instrumentation and generates a file with merged data. |
| 14 | |
| 15 | The profile data format itself is currently textual. |
| 16 | |
| 17 | OPTIONS |
| 18 | ------- |
| 19 | |
| 20 | .. option:: -output=output |
| 21 | |
| 22 | This option selects the output filename. If not specified, output is to |
| 23 | stdout. |
| 24 | |
| 25 | EXIT STATUS |
| 26 | ----------- |
| 27 | |
| 28 | :program:`llvm-profdata` returns 1 if it cannot read input files or there is a |
| 29 | mismatch between their data. |