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Author SHA1 Message Date
Anton Afanasyev ca9aff9353 [X86][SLP] Enable SLP vectorization for 128-bit horizontal X86 instructions (add, sub) 
Try to use 64-bit SLP vectorization. In addition to horizontal instrs
this change triggers optimizations for partial vector operations (for instance,
using low halfs of 128-bit registers xmm0 and xmm1 to multiply <2 x float> by
<2 x float>).

Fixes llvm.org/PR32433

llvm-svn: 353923
 2019-02-13 08:26:43 +00:00
Simon Pilgrim 864949d5e9 [SLPVectorizer][X86] Add load extend tests (PR36091) 
llvm-svn: 325772
 2018-02-22 12:19:34 +00:00