[PATCH] [X86] replace vinsertf128 intrinsics with generic shuffles

[Sanjay Patel]

Thanks all for the patch feedback - checked in at r231794 (the Clang half is at r231792).

I didn't add a comment about the expected lifetime of AutoUpgrade code because I wasn't sure what the final answer is. But I agree that we should add a comment once we have consensus. That way anyone looking in that file will have some idea about the policy.


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http://reviews.llvm.org/D8086

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