Reid Kleckner 4982b82b73 [ms-cxxabi] Use x86_cdeclmethodcc for __cdecl methods on win32 ...

This fixes PR15768, where the sret parameter and the 'this' parameter
are in the wrong order.

Instance methods compiled by MSVC never return records in registers,
they always return indirectly through an sret pointer.  That sret
pointer always comes after the 'this' parameter, for both __cdecl and
__thiscall methods.

Unfortunately, the same is true for other calling conventions, so we'll
have to change the overall approach here relatively soon.

Reviewers: rsmith

Differential Revision: http://llvm-reviews.chandlerc.com/D2664

llvm-svn: 200587

2014-01-31 22:54:50 +00:00

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