[PATCH] D20074: Add support for metadata attachments for global variables.

[Peter Collingbourne via llvm-commits]

pcc created this revision.
pcc added reviewers: aprantl, dexonsmith, dblaikie.
pcc added a subscriber: llvm-commits.

This patch adds an IR, assembly and bitcode representation for metadata
attachments for globals. Future patches will port existing features to use
these new attachments.

http://reviews.llvm.org/D20074

Files:
  docs/BitCodeFormat.rst
  docs/LangRef.rst
  include/llvm/Bitcode/LLVMBitCodes.h
  include/llvm/IR/Function.h
  include/llvm/IR/GlobalObject.h
  include/llvm/IR/GlobalVariable.h
  lib/AsmParser/LLParser.cpp
  lib/AsmParser/LLParser.h
  lib/Bitcode/Reader/BitcodeReader.cpp
  lib/Bitcode/Writer/BitcodeWriter.cpp
  lib/Bitcode/Writer/ValueEnumerator.cpp
  lib/Bitcode/Writer/ValueEnumerator.h
  lib/IR/AsmWriter.cpp
  lib/IR/Function.cpp
  lib/IR/Globals.cpp
  lib/IR/LLVMContextImpl.h
  lib/IR/Metadata.cpp
  test/Assembler/metadata.ll

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