[PATCH] D11907: LLVM support for -fthinlto option, and gold support for thinlto plugin option.

[Teresa Johnson via llvm-commits]

tejohnson created this revision.
tejohnson added reviewers: rafael, dexonsmith.
tejohnson added a subscriber: llvm-commits.

Add basic LLVM support for the -fthinlto option, which will
be passed to LLVM via the EmitThinLTOIndex code gen option. This will
be used to guard the ThinLTO bitcode writing in WriteModule shown in
http://reviews.llvm.org/D11722.

Also add support for the thinlto gold plugin option that will be passed
by clang for -fthinlto links. It will be used to guard ThinLTO combined
index file writing.

http://reviews.llvm.org/D11907

Files:
  include/llvm/Bitcode/BitcodeWriterPass.h
  include/llvm/Bitcode/ReaderWriter.h
  lib/Bitcode/Writer/BitcodeWriter.cpp
  lib/Bitcode/Writer/BitcodeWriterPass.cpp
  tools/gold/gold-plugin.cpp

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