[PATCH] Outline functions for SEH with the MSVC environment

[Andy Kaylor]

Yeah, the test passes (...now...there was a change missing in the last revision I uploaded).  It was kind of a beautiful thing to see it come together.  One minute it was producing a garbled mess full of bad references, then after one more change it all simplified to the expected results.

These latest changes include a fix for an unmapped variable problem during outlining.  I also fixed the comments that were wrong and ran the new source file through clang-format.

I expect that this will need to wait until the related changes are committed and the intended form of the IR is settled, but I think they are otherwise ready to go.


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D6556

Files:
  include/llvm/CodeGen/Passes.h
  include/llvm/InitializePasses.h
  include/llvm/Transforms/Utils/Cloning.h
  lib/CodeGen/CMakeLists.txt
  lib/CodeGen/CodeGen.cpp
  lib/CodeGen/MSVCEHPrepare.cpp
  lib/CodeGen/Passes.cpp
  lib/Transforms/Utils/CloneFunction.cpp
  test/CodeGen/X86/seh-outline.ll
  tools/opt/opt.cpp

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