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SystemZExpandPseudo:s only job was to expand LOCRMux instructions into jump sequences. This needs to be done if expandLOCRPseudo() or expandSELRPseudo() fails to find a legal opcode (all registers "high" or "low"). This task has now been moved to SystemZPostRewrite while removing the SystemZExpandPseudo pass. It is in fact preferred to expand these pseudos directly after register allocation in SystemZPostRewrite since the hinted register combinations are then not subject to later optimizations. Review: Ulrich Weigand https://reviews.llvm.org/D67432 llvm-svn: 371959
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