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175ea25f68
The lowering patterns for X86ISD::VZEXT_MOVL for 128-bit to 256-bit vectors were just copying the lower xmm instead of actually masking off the first scalar using a blend. Fix for PR25320. Differential Revision: http://reviews.llvm.org/D14151 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253561 91177308-0d34-0410-b5e6-96231b3b80d8