Learn how to make odd splatted constants in range [17,29].  This implements PowerPC/vec_constants.ll:test_29.
Learn how to make odd splatted constants in range [17,29].  This implements
PowerPC/vec_constants.ll:test_29.


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@27752 91177308-0d34-0410-b5e6-96231b3b80d8

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