[PATCH] D33615: Move summary dead stripping before regular LTO and record results in the combined summary

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis created this revision.
Herald added subscribers: eraman, inglorion.

Add a bit to GVFlags to tell ThinLTO backends which values are dead.
Ignored by backends for now.


Repository:
  rL LLVM

https://reviews.llvm.org/D33615

Files:
  include/llvm/IR/ModuleSummaryIndex.h
  include/llvm/IR/ModuleSummaryIndexYAML.h
  include/llvm/LTO/LTO.h
  lib/Analysis/ModuleSummaryAnalysis.cpp
  lib/Bitcode/Reader/BitcodeReader.cpp
  lib/Bitcode/Writer/BitcodeWriter.cpp
  lib/LTO/LTO.cpp
  test/Bitcode/summary_version.ll
  test/Bitcode/thinlto-function-summary-refgraph.ll
  test/Bitcode/thinlto-function-summary.ll
  test/Bitcode/thinlto-summary-linkage-types.ll
  test/Bitcode/thinlto-summary-section.ll
  test/ThinLTO/X86/deadstrip.ll

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