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2df3161736
This patch improves support for combining the SSE4A EXTRQ(I) and INSERTQ(I) intrinsics: 1 - Converts INSERTQ/EXTRQ calls to INSERTQI/EXTRQI if the 'bit index' and 'length' operands are constant 2 - Converts INSERTQI/EXTRQI calls to shufflevector if the bit index/length are both byte aligned (we can already lower shuffles to INSERTQI/EXTRQI if its useful) 3 - Constant folding support 4 - Add zeroinitializer handling Differential Revision: http://reviews.llvm.org/D13348 llvm-svn: 250609 |
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