llvm-6502/docs/CommandGuide/llvm-profdata.rst

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llvm-profdata - work with profile data
======================================
SYNOPSIS
--------
:program:`llvm-profdata` [-output=output] file1 file2
DESCRIPTION
-----------
The experimental :program:`llvm-profdata` tool reads two profile data files
generated by PGO instrumentation and generates a file with merged data.
The profile data format itself is currently textual.
OPTIONS
-------
.. option:: -output=output
This option selects the output filename. If not specified, output is to
stdout.
EXIT STATUS
-----------
:program:`llvm-profdata` returns 1 if it cannot read input files or there is a
mismatch between their data.