[llvm-dev] Memory Requirements For Compiling PassBuilder.cpp

[Stefan Pintilie via llvm-dev]

Hi Everyone,

Recently I have realised that compiling the file PassBuilder.cpp takes a 
significant amount of memory. I have seen anywhere between 700 MB to over 
1GB depending on which build compiler is used. This memory consumption 
recently caused a couple of build bots that run on a smaller machine to 
run out of memory and fail to build.

I have no intention of changing any of the functionality of this file but 
I was wondering if anyone could suggest a way to reduce its complexity 
(and hopefully memory consumption).
Any ideas of how I could try to go about this? Would it be possible to 
refactor parts into another file perhaps?

Thank you in advance,
Stefan


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