[PATCH] Add missing builtins to the PPC back end for ABI compliance (vol. 1)

[Bill Schmidt]

LGTM.  I guess it's ok to add a single new test with this name and put all the new ones in there.  We have a lot of existing tests with the naming convention vec_*.ll, but I'm ok with having one new test for the ones you're adding rather than splitting it up into a bunch of little ones.


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http://reviews.llvm.org/D10638

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