Refactor bitcode writer into classes (NFC)

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Summary:
As discussed in on the mailing list yesterday, I have refactored
BitcodeWriter.cpp to use classes to manage the bitcode writing process,
instead of passing around long lists of parameters between static
functions. See:
  http://lists.llvm.org/pipermail/llvm-dev/2016-April/098610.html

I created a parent BitcodeWriter class to own the BitstreamWriter,
write the header, and contain the main entry point into the writing
process. There are two derived classes, one for writing a module and one
for writing a combined index file (for ThinLTO), which manage the
writing process specific to those bitcode file types.

I also changed the functions to conform to LLVM coding standards
(lowercase function name first letter). The only two routines that still
start with an uppercase letter are the two external interfaces, which
can be fixed as a follow-on (I wanted to keep this round just within
BitcodeWriter.cpp).

Reviewers: dexonsmith, joker.eph

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D19447

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267273 91177308-0d34-0410-b5e6-96231b3b80d8

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This commit is contained in:

Teresa Johnson 2016-04-23 04:30:47 +00:00

parent f217c8fc28

commit 6eed7793be

1 changed files with 829 additions and 687 deletions

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lib/Bitcode/Writer/BitcodeWriter.cpp

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