[PATCH] MS ABI: Use musttail for vtable thunks that pass arguments by value

[Reid Kleckner]

- Clean up the code a bit, add more test cases, fix bugs

http://reviews.llvm.org/D4613

Files:
  lib/CodeGen/CGCall.cpp
  lib/CodeGen/CGVTables.cpp
  lib/CodeGen/CodeGenFunction.h
  lib/CodeGen/MicrosoftCXXABI.cpp
  test/CodeGenCXX/microsoft-abi-byval-thunks.cpp
  test/CodeGenCXX/microsoft-abi-nontrivial-covariant-thunk.cpp
  test/CodeGenCXX/microsoft-abi-virtual-member-pointers.cpp
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D4613.11907.patch
Type: text/x-patch
Size: 23467 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20140726/f7fbfa99/attachment.bin>