[PATCH] D137982: Reland "[pgo] Avoid introducing relocations by using private alias""
Paul Kirth via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Dec 5 16:30:54 PST 2022
paulkirth updated this revision to Diff 480279.
paulkirth added a comment.
Restore using hidden alias with COMDAT functions. It does impact the number of relocations, and is a better semantic match. It also eliminates an entry in the dynamic symbol table.
- Add compile tests for the comdat and non-comdat cases
- add an end-to-end test in compiler-rt's profile tests
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D137982/new/
https://reviews.llvm.org/D137982
Files:
compiler-rt/test/profile/instrprof-discarded-comdat.cpp
compiler-rt/test/profile/instrprof-discarded-comdat.ll
llvm/lib/Transforms/Instrumentation/InstrProfiling.cpp
llvm/test/Transforms/PGOProfile/comdat.ll
llvm/test/Transforms/PGOProfile/prof_avoid_relocs.ll
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