[LLVMdev] Programmatic compilation of C++ file into bitcode
Trevor Harmon
Trevor.W.Harmon at nasa.gov
Thu Feb 25 11:16:29 PST 2010
On Feb 25, 2010, at 1:04 AM, Duncan Sands wrote:
> You can add your static analysis to llvm-gcc as an LLVM pass.
> If you write it as an LLVM pass then you can also use it from
> "opt", which would be convenient.
Thanks, that sounds like a good approach. It appears I can get a
Module instance simply by inheriting from ModulePass.
There's one problem, however. I will at some point want to integrate
this analysis tool with other tools. For example, an Eclipse plugin
might run the analysis tool and then display the analysis results in
an Eclipse window. I suppose the plugin could execute "opt" as a
subprocess and then parse the output, but that seems brittle. I'd
prefer to define an API in my analysis tool that other tools could
then call. That's why I was trying to build upon projects/sample/*
instead of lib/Transforms/Hello/*.
Is there perhaps some structured mechanism for retrieving the output
of an LLVM pass? That is, something better than just parsing the
output of "opt"...
Thanks,
Trevor
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