[LLVMdev] Proposal for a Google summer of code project for the Java frontend.
nicolas.geoffray at lip6.fr
Tue Mar 18 02:11:06 PDT 2008
Nicolas Geoffray wrote:
> There is no real missing feature. The VMs can execute standard
> applications (last time I checked, the JVM can run tomcat), and the
> implementations follow the VM specifications. The CLI implementation
> lacks generics and overflow detection, but this is not top priority in
> my mind.
> Among many features, here are the ones that I'd _love_ to see implemented:
> 1) Compilation optimizations for type-safe languages (including
> type-based alias analysis)
> 2) Hotspot-like vm: switching between interpreter and compiler, applying
> different optimizations depending on a method's hotness, doing on-stack
> 3) Implementing a garbage collector with llvm facilities: currently my
> GC is not related to the compiler (consider it like Boehm's). It would
> be nice to see how do the LLVM intrinsics fit with Java/CLI and JIT.
I also forgot:
4) Generating shared libraries in order to not recompile Java or CLI
code. In LLVM bitcode (simpler at first) and then in the ELF/MachO file
>> On Mon, Mar 17, 2008 at 9:48 PM, Nicolas Geoffray
>> <nicolas.geoffray at lip6.fr> wrote:
>>> I'm in the process of checking in a Java and a CLI FE to the llvm
>>> repository. I'm not sure what's the shape of llvm-java. Do your changes
>>> make it run some applications?
>>> Is the grant already provided? I'd be happy to mentor your work if the
>>> project can also concern improving my existing implementation ;-)
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