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Commit 0e6945e4 authored by Simon Pilgrim's avatar Simon Pilgrim
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[X86][SSE] Convert getTargetShuffleMaskIndices to use getTargetConstantBitsFromNode. 

Removes duplicate constant extraction code in getTargetShuffleMaskIndices.

getTargetConstantBitsFromNode - adds support for VZEXT_MOVL(SCALAR_TO_VECTOR) and fail if the caller doesn't support undef bits.

llvm-svn: 294856
parent 5b1f0edf
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