[PATCH] D109111: [CSSPGO] Use preinliner decision by default when available

Wenlei He via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 1 17:40:51 PDT 2021


wenlei added inline comments.


================
Comment at: llvm/lib/Transforms/IPO/SampleProfile.cpp:1314
+  if (UsePreInlinerDecision &&
+      Candidate.CalleeSamples->getContext().hasAttribute(
+          ContextShouldBeInlined))
----------------
hoy wrote:
> wenlei wrote:
> > hoy wrote:
> > > Will non-inlined context be merged into the base profile by the preinliner? Wondering if we can have contexts without `ContextShouldBeInlined` in the profile after processed by the preinliner.
> > Not inlined context will all be merged currently. See the comment I added above.
> So we'll not see the context profile here? Can such context only be seen when the preinliner is off?
Correct. When preinliner is on in llvm-profgen, we will only see context profile if preinliner decides to inline. When preinliner is off, we will see all context profiles. 


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109111/new/

https://reviews.llvm.org/D109111



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