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Commit 9095186d authored by Chris Lattner's avatar Chris Lattner
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Fix a bug in the 'shuffle(undef,x,mask) -> shuffle(x, undef,mask')' xform 

Make the insert/extract elt -> shuffle code more aggressive.

This fixes CodeGen/PowerPC/vec_shuffle.ll

llvm-svn: 27728
parent 34cebe78
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