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llvm-profgen - LLVM SPGO profile generation tool
================================================
.. program:: llvm-profgen
SYNOPSIS
--------
:program:`llvm-profgen` [*commands*] [*options*]
DESCRIPTION
-----------
The :program:`llvm-profgen` utility generates a profile data file
from given perf script data files for sample-based profile guided
optimization(SPGO).
COMMANDS
--------
At least one of the following commands are required:
.. option:: --perfscript=<string[,string,...]>
Path of perf-script trace created by Linux perf tool with `script`
command(the raw perf.data should be profiled with -b).
.. option:: --binary=<string[,string,...]>
Path of the input profiled binary files.
.. option:: --output=<string>
Path of the output profile file.
OPTIONS
-------
:program:`llvm-profgen` supports the following options:
.. option:: --format=[text|binary|extbinary|compbinary|gcc]
Specify the format of the generated profile. Supported <format> are `text`,
`binary`, `extbinary`, `compbinary`, `gcc`, see `llvm-profdata` for more
descriptions of the format.
.. option:: --show-mmap-events
Print mmap events.
.. option:: --show-disassembly
Print disassembled code.
.. option:: --x86-asm-syntax=[att|intel]
Specify whether to print assembly code in AT&T syntax (the default) or Intel
syntax.
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