[PATCH] D57705: [SamplePGO] More pipeline changes when flattened profile used in ThinLTO postlink
Teresa Johnson via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Feb 4 11:51:10 PST 2019
tejohnson created this revision.
tejohnson added a reviewer: wmi.
Herald added subscribers: dexonsmith, steven_wu, eraman, inglorion, mehdi_amini.
Herald added a project: LLVM.
Follow on to D54819 <https://reviews.llvm.org/D54819>/r351476.
We also don't need to perform extra InstCombine pass when we aren't
loading the sample profile in the ThinLTO backend because we have a
flattened sample profile.
Additionally, for consistency and clarity, when we aren't reloading the
sample profile, perform ICP in the same location as non-sample PGO
backends. To this end I have moved the ICP invocation for non-SamplePGO
ThinLTO down into buildModuleSimplificationPipeline (partly addresses
the FIXME where we were previously setting this up).
Repository:
rL LLVM
https://reviews.llvm.org/D57705
Files:
lib/Passes/PassBuilder.cpp
test/Other/new-pm-thinlto-defaults.ll
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