[PATCH] D21782: [CodeView] Implement support for bitfields in LLVM

[David Majnemer via llvm-commits]

majnemer created this revision.
majnemer added reviewers: rnk, aaboud.
majnemer added a subscriber: llvm-commits.

CodeView need to know the offset of the storage allocation for a
bitfield.  Encode this via the "extraData" field in DIDerivedType and
introduced a new flag, DIFlagBitField, to indicate whether or not a
member is a bitfield.

http://reviews.llvm.org/D21782

Files:
  include/llvm/IR/DIBuilder.h
  include/llvm/IR/DebugInfoFlags.def
  include/llvm/IR/DebugInfoMetadata.h
  lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
  lib/IR/DIBuilder.cpp
  test/DebugInfo/COFF/bitfields.ll

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