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Hi Harel, Several existing passes can take command line arguments. Have a look at lib/Transforms/Scalar/LoopUnrollPass.cpp for example. Its command line arguments are defined using the cl::opt objects. Best regards, -- Arnaud de Grandmaison ________________________________ From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu] On Behalf Of Harel Cain Sent: Thursday, January

Hi all, I was wondering if there's any way to pass command line arguments to LLVM optimization passes when run through the opt tool. For example, suppose I register called MyPass, then I want to run opt -load libMyPass.so -MyPass 3 < input.bc and have "3" be available to MyPass as a kind of argv argumnet through some method. Or does it take a major rewrite of the opt tool