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5054f16212
you could be AND'ing with the result of a shift that shifts out all the bits you care about, in addition to a constant. Also, move over an add/sub_parts fold from legalize to the dag combiner, where it works for things other than constants. Woot! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23720 91177308-0d34-0410-b5e6-96231b3b80d8
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