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2016 Jul 06
4
Should analyses be able to hold AssertingVH to IR? (related to PR28400)
While building test-suite with the new PM, I ran into problems with AssertingVH being triggered which is obvious in retrospect: https://llvm.org/bugs/show_bug.cgi?id=28400 Both cases I ran into revolve around LVI which holds AssertingVH. Essentially, what happens is this: 1. LVI holds an AssertingVH pointing at a BasicBlock 2. Some other pass ends up deleting that BB (e.g. SimplifyCFG) 3. BOOM