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Commit ac75bca1 authored by Craig Topper's avatar Craig Topper
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[X86][InstCombine] Fix SimplifyDemandedVectorElts to handle frcz scalar intrinsics correctly. 

Only the lower bits of the input element are used. And only the lower element can be undef since the upper bits are zeroed.

Have InstCombineCalls call SimplifyDemandedVectorElts for these intrinsics to reuse this support.

llvm-svn: 289523
parent b8ea75a0
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