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...n `Uses.begin() == Uses.end() &&"Uses remain when a value is destroyed!"' failed. Aborted nadir at quiche:~/src/llvm/lib/Transforms/LICM$ fg emacs LICM.cpp ===================================== ===================================== Any help is appreciated, Nadir Kiyanclar kiyancla at uiuc.edu

...ass. However, I've looked at some example files, and i _think_ I'm doing stuff right. Do I have to run the getAnalysisUsage function manually (I'm subclassing FunctionPass), or can I trust it's called before runOnFunction if I implement it? Any help is greatly appreciated, Nadir Kiyanclar kiyancla at uiuc.edu The command I use (licm is the pass I'm writing) ========================= opt -load ../../../lib/Debug/liblicm.so -licm < loop1.bc > loop1.aftermypass.bc The assertion: ====================================== opt: /usr/dcs/csil-linux/projects/cs326/kiyancla/llvm/in...

Ah, I see that getAnalysisUsage has a const in its signature, so I was defining a whole new function, not overriding one. Fixing that took care of the problem. Sorry to bother! Nadir Kiyanclar kiyancla at uiuc.edu