[PATCH] D20020: Provide support for preserving assembly comments

[Nirav Dave via llvm-commits]

niravd created this revision.
niravd added reviewers: rtrieu, dwmw2.
niravd added a subscriber: llvm-commits.

Preserve assembly comments from input in output assembly and flags to
toggle property. This is on by default for inline assembly and off in
llvm-mc.

Comments are emitted immediately preceeding EOL which generally places
them on the expected line, though this is violated in instances
where the newlines are emitted explicitly in AsmPrinters.

http://reviews.llvm.org/D20020

Files:
  include/llvm/MC/MCAsmInfo.h
  include/llvm/MC/MCStreamer.h
  include/llvm/Target/TargetOptions.h
  lib/CodeGen/LLVMTargetMachine.cpp
  lib/MC/MCAsmInfo.cpp
  lib/MC/MCAsmStreamer.cpp
  lib/MC/MCParser/AsmParser.cpp
  lib/MC/MCStreamer.cpp
  test/MC/AsmParser/inline-comments.ll
  tools/llc/llc.cpp
  tools/llvm-mc/llvm-mc.cpp

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