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Jakob, What exactly can you describe in this change language? There is a lot of research happening now on techniques to identify the best sequence of optimizations for a particular program, or just the best output form for the program. There are no really good infrastructures for this kind of work, but we have been interested in making LLVM useful for such work. (LLVM has been used

hi all, I have used LLVM extensively over the last 2 years. I have realized a so called change framework that based on the LLVM framework. Basically it is a framework that augments the JIT to understand "changes", such that a mutator process can formulate changes in a change language (inspired by DTrace's D), which is too compiled to LLVM and sent to the application process.