Simon Pilgrim 175ea25f68 [X86][AVX] Fix lowering of X86ISD::VZEXT_MOVL for 128-bit -> 256-bit extension
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
2015-11-19 12:18:37 +00:00
..
2015-11-18 18:14:55 +00:00