[PATCH] D53598: Add docs+a script for building clang/LLVM with PGO

[Shoaib Meenai via Phabricator via llvm-commits]

smeenai added a comment.

LLVM's CMake has built in support for PGO; see https://llvm.org/docs/AdvancedBuilds.html#multi-stage-pgo. I haven't looked at the script in detail, but does it function similarly?



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Comment at: llvm/trunk/docs/HowToBuildWithPGO.rst:21
+tested on a few Linux flavors, and requires a checkout of LLVM, Clang, and
+compiler-rt. Despite the the name, it performs four clean builds of Clang, so it
+can take a while to run to completion. Please see the script's ``--help`` for
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"the the"


Repository:
  rL LLVM

https://reviews.llvm.org/D53598