[PATCH] D97436: [lld-link] Fix addrsig symbols merging in ICF.

[Zequan Wu via Phabricator via llvm-commits]

zequanwu updated this revision to Diff 326844.
zequanwu added a comment.
Herald added subscribers: steven_wu, hiraditya.

- Add `/OPT:safeicf`, which will mark all sections as unique if `.addrsig` doesn't exist. By default, `/OPT:icf` will do aggressive icf, matching the behavior of MSVC linker's `/OPT:icf`.
- Update test cases.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D97436/new/

https://reviews.llvm.org/D97436

Files:
  lld/COFF/Config.h
  lld/COFF/Driver.cpp
  lld/COFF/ICF.cpp
  lld/test/COFF/icf-data.test
  lld/test/COFF/icf-local.test
  lld/test/COFF/icf-pdata.s
  lld/test/COFF/icf-safe.s
  lld/test/COFF/icf-vtables.s
  lld/test/COFF/lto-icf.ll
  lld/test/COFF/string-tail-merge.s

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