[PATCH] D142994: [UsersManual] Add llvm-progen as an alternative tool for AutoFDO profile generation.

[Hongtao Yu via Phabricator via cfe-commits]

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Closed by commit rG56e36e47f504: [UsersManual] Add llvm-progen as an alternative tool for AutoFDO profile… (authored by hoy).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142994/new/

https://reviews.llvm.org/D142994

Files:
  clang/docs/UsersManual.rst


Index: clang/docs/UsersManual.rst
===================================================================
--- clang/docs/UsersManual.rst
+++ clang/docs/UsersManual.rst
@@ -2400,6 +2400,14 @@
    without the ``-b`` flag, you need to use ``--use_lbr=false`` when
    calling ``create_llvm_prof``.
 
+   Alternatively, the LLVM tool ``llvm-profgen`` can also be used to generate
+   the LLVM sample profile:
+
+   .. code-block:: console
+
+     $ llvm-profgen --binary=./code --output=code.prof--perfdata=perf.data
+
+
 4. Build the code again using the collected profile. This step feeds
    the profile back to the optimizers. This should result in a binary
    that executes faster than the original one. Note that you are not


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