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pr10189
2012 Aug 02
2
[LLVMdev] Proposal to merge SimplifyLibCalls into InstCombiner
...nd to cleaning up my proposal to merge `SimplifyLibCalls`
into `InstCombiner`. There is still an open question or two and I am sure
there are parts that could be better specified, but this is good enough to
discuss. Feedback is most welcome.
Abstract
========
This proposal is an attack plan for PR11895 [1].
Currently within LLVM we have two passes that are used to fold library calls:
(1) `SimplifyLibCalls` and (2) `InstCombiner` (by way of `visitCallSite`).
Having multiple methods to implement an optimization class makes
understanding the optimizer more difficult, presents a maintenance burden,...