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...y points in code. We then looked at defining a custom intrinsic function (@llvm.cfiid) that we can insert into the IR and then lower to assembly. It didn’t seem like this was exactly what we wanted either, because the asm that is generated has to be target dependent. We’ve checked out the poolalloc/safecoode projects and there’s some helpful analysis tools, but didn’t find anything relevant to ID lowering. Our current thrust is to define a custom target intrinsic function (@llvm.arm.cfiid) that we can insert into the IR and lower using a definition in the ARMInstrInfo.td file. Right now, I’m trying t...