Ulrich Weigand db16beed8a [SystemZ] Allow LRV/STRV with volatile memory accesses ...

The byte-swapping loads and stores do not actually perform multiple
accesses to their memory operand, so they are OK to use with volatile
memory operands as well.  Remove overly cautious check.

llvm-svn: 326613

2018-03-02 20:51:59 +00:00

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