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Commit 524daea4 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86] Add combineX86ShufflesRecursively helper. NFCI. 

combineX86ShufflesRecursively is pretty cumbersome with a lot of arguments that only matter later in recursion.

This commit adds a wrapper version that only takes the initial root Op to simplify calls that don't need to worry about these.

An early, cleanup step towards merging combineX86ShufflesRecursively into SimplifyDemandedVectorElts/SimplifyDemandedBits.

llvm-svn: 351352
parent c5cec5e1
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