[LLVMdev] Function-at-a-time Processing
baldrick at free.fr
Thu Jul 29 00:25:30 PDT 2010
> Not a dumb question. The problem is that we can't actually create the
> entire LLVM IR to dump it to a file. It's too big. Instead, what we
> did with 2.5 was create the module-level data (globals, etc.) and then
> handled each function separately: translate to LLVM IR, optimize, print
> asm and delete. We never had LLVM IR for the entire translation unit at
> any time so we could not create an LLVM IR file if we wanted to. I did
> hack in a special mode to hold all the LLVM IR so we could dump it out.
> But this was for debugging purposes and wouldn't work with some customer
> codes which are very large.
llvm-gcc has code (turned off) to do exactly the same thing. Chris added it,
but I don't think he ever got it working reliably. I don't know what the
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