[cfe-commits] [PATCH] Abstract v-table generation into the CGCXXABI interface

[Charles Davis]

Hi,

This patch factors v-table generation into the CGCXXABI class, so that, in the future, the Microsoft C++ ABI can implement its own v-table generation.

I also had to move the ItaniumCXXABI class into a header, so that CGRTTI could continue to use the getVTableLinkage() method, which now lives in ItaniumCXXABI. I thought that since CGRTTI is specific to the Itanium ABI anyway, this was OK. I don't know if you would prefer that method continue to belong to CodeGenModule, but I imagine that the Microsoft C++ ABI may have different rules for v-table visibility (which I have yet to work out).

OK to commit?

Chip
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