Chandler Carruth 0c7a4b9d27 [x86] Clean up and generate detailed FileCheck assertions for
avx-sext.ll using my new script.

Also add an AVX2 mode to this test.

Part of cleaning up the test suite before enabling the new vector
shuffle lowering. This also highlights some of the abysmal failures of
the old shuffle lowering. Check out those 'pinsrw' and 'pextrw'
sequences!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218794 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-01 20:19:32 +00:00
..
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