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copied!<p>OCaml is the only functional language with <a href="https://llvm.org/svn/llvm-project/llvm/trunk/bindings/" rel="noreferrer">bindings in the LLVM distro itself</a> and documentation on llvm.org such as the <a href="http://llvm.org/docs/tutorial/" rel="noreferrer">Kaleidoscope tutorial</a>. If you have OCaml installed when you build and install LLVM then it will automatically build and install the LLVM bindings for OCaml as well. Moreover, these OCaml bindings have been <a href="http://lists.cs.uiuc.edu/pipermail/llvmdev/2007-December/011937.html" rel="noreferrer">in use for years</a> so they are mature and reliable. </p> <p>I have been developing <a href="https://forge.ocamlcore.org/projects/hlvm/" rel="noreferrer">HLVM</a> in OCaml using the standard LLVM bindings and found OCaml+LLVM to be an extremely powerful combination. HLVM provides tuples, arrays, unions, TCO of all tail calls, generic printing, FFI to C, JIT compilation and parallel garbage collection with a VM weighing in at under 2kLOC of OCaml code that took only a few man-weeks to develop from scratch. <a href="http://flyingfrogblog.blogspot.com/2009/03/performance-ocaml-vs-hlvm-beta-04.html" rel="noreferrer">HLVM's numerical performance already far exceeds that of today's fastest open source FPLs including OCaml itself</a>. I have published <a href="http://ocamlnews.blogspot.com/search/label/llvm" rel="noreferrer">articles in the OCaml Journal</a> describing how LLVM can be used from OCaml for everything from basic expression evaluation to advanced topics such as parallelism and garbage collection. You may also like this <a href="http://groups.google.com/group/fa.caml/msg/5aee553df34548e2" rel="noreferrer">mini example</a>.</p>

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