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90b172efa0
getArithmeticInstrCost(), getShuffleCost(), getCastInstrCost(), getCmpSelInstrCost(), getVectorInstrCost(), getMemoryOpCost(), getInterleavedMemoryOpCost() implemented. Interleaved access vectorization enabled. BasicTTIImpl::getCastInstrCost() improved to check for legal extending loads, in which case the cost of the z/sext instruction becomes 0. Review: Ulrich Weigand, Renato Golin. https://reviews.llvm.org/D29631 llvm-svn: 300052