[LLVMdev] Create target with alternate syntax for globals?

[ryan baird]

I'm working on 3.1.   For now I added a custom AsmStreamer, but it's nice
to know that this will be fixed in 3.2.

On Sat, Sep 8, 2012 at 6:50 PM, NAKAMURA Takumi <geek4civic at gmail.com>wrote:

> 2012/9/9 ryan baird <ryanrbaird at gmail.com>:
> > I'm working on building a target for llvm that's the intermediate
> language
> > of another compiler, so that the other compiler can benifit from llvm's
> > optimization passes.
> >
> > I essentially made a copy of the mips backend, and then started changing
> the
> > output to match the intermediate language of the compiler.  Most of the
> > output can be overriden, but I haven't figured out how to change the way
> > globals are emitted.
> >
> > The AsmPrinter::EmitGlobalVariable function in the
> > llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp file is not virtual; if I try
> to
> > override it, I get a "multiple definitions" error.  To emit the global,
> it
> > just calls the OutputStreamer.EmitCommonSymbol method.  Again, this has
> > become a problem because I don't want the default output for global
> symbols.
> > If I can't override this method, how can I change the way that my target
> > outputs globals variables?
>
> Ryan,
>
> On which version are you working? I can see, since r93858;
>
> Author: Chris Lattner <sabre at nondot.org>
> Date:   Tue Jan 19 14:38:33 2010
>
> +    virtual void EmitGlobalVariable(const GlobalVariable *GV);
>
> It seems XCoreAsmPrinter overrides some methods.
>
> ...Takumi
>
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