[PATCH] [ms-cxxabi] Add CGCXXABI::NeedsBodylessEmission function.

[Reid Kleckner]

  Also, pinging John since this is more interface-y.


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Comment at: lib/CodeGen/CGCXXABI.h:322
@@ +321,3 @@
+  /// Returns true if the ABI requires that we emit a definition for this
+  /// function, given that we don't have a definition for it in the TU.
+  virtual bool NeedsBodylessEmission(GlobalDecl GD);
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Timur Iskhodzhanov wrote:
> Would be nice to give an example of when it's needed, otherwise it's a bit cryptic.
"bodyless emission" is confusing to me, but I can't invent a better name.  So long as the doc comment explains that this only makes sense when we can do something like delegate to a different variant of the function expected to be emitted in some other TU, then this works for me.


http://llvm-reviews.chandlerc.com/D820