joker.eph added inline comments.

================
Comment at: lib/CodeGen/CodeGenAction.cpp:822
@@ +821,3 @@
+      TheModule = std::move(Combined);
+    }
+
----------------
tejohnson wrote:
> joker.eph wrote:
> > tejohnson wrote:
> > > joker.eph wrote:
> > > > Could we refactor this in a helper in llvm?
> > > I can create a new Linker interface that takes the index path, builds the 
> > > index, does the link and returns the ErrorOr index.
> > I was thinking about a free function that would be something like: 
> > `std::unique_ptr<Module> 
> > llvm::renameModuleForThinLTO(std::unique_ptr<Module> &M, const 
> > FunctionInfoIndex &Index);`
> > 
> We also need to get the Index back so that it can be passed down to 
> EmitBackendOutput below (to get it on the pass manager builder). So what I 
> was thinking was create the Combined Module unique_ptr here and pass it in 
> (as we do currently for LinkModules), and return the 
> std::unique_ptr<FunctionInfoIndex> .
You pass a reference to the index, you already have it.


http://reviews.llvm.org/D15025



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