[llvm-commits] patch: teach deadargelim to work on externally visible functions!

Nick Lewycky nicholas at mxc.ca
Sun Jan 3 18:02:21 PST 2010

This patch implements dead argument elimination for functions which are 
externally visible.  We can't modify the function signature, but we can 
find all direct callers and make sure they aren't doing any work to 
calculate the argument that's going to be discarded.

Please review!


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