// Look for an empty entry, the tombstone for this hash table.
			//   if e.Typ == nil { goto miss }
			s.startBlock(loopBody)
			cmp2 := s.newValue2(ssa.OpEqPtr, typs.Bool, eTyp, s.constNil(typs.BytePtr))
			b = s.endBlock()
			b.Kind = ssa.BlockIf
			b.SetControl(cmp2)
			b.AddEdgeTo(cacheMiss)
			b.AddEdgeTo(loopHead)

			// On a hit, load the data fields of the cache entry.
			//   Case = e.Case