Tim Northover fad2761ca0 InstCombine: form shuffles from wider range of insert/extractelements
Sequences of insertelement/extractelements are sometimes used to build
vectorsr; this code tries to put them back together into shuffles, but
could only produce a completely uniform shuffle types (<N x T> from two
<N x T> sources).

This should allow shuffles with different numbers of elements on the
input and output sides as well.

llvm-svn: 203229
2014-03-07 10:24:44 +00:00
2014-03-07 08:31:36 +00:00
2014-03-06 20:59:18 +00:00
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