[LLVMdev] passes after lowering
dnmh68 at hotmail.com
Fri Apr 9 11:57:53 PDT 2010
I need to perform some transformation after code was lowered.
I think I need to do this in llc and use a MachinePass. However, it is unclear how.
I am able to change the register allocator:
llc -f -load XXX.so -regalloc=xxx foo.bc
but I don't know how to just insert a different pass and pass new command options to llc.
I found plenty of documentation about 'opt', but little about llc.
So, is this correct? Transformation after lowering should happen in llc?
How can I register and run a new pass (preferably as the last pass) in llc?
How can I see the hidden options of the tools?
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