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c94f9d3d2f
This patch resolves part of PR21711 ( http://llvm.org/bugs/show_bug.cgi?id=21711 ). The 'f3' test case in that report presents a situation where we have two 128-bit stores extracted from a 256-bit source vector. Instead of producing this: vmovaps %xmm0, (%rdi) vextractf128 $1, %ymm0, 16(%rdi) This patch merges the 128-bit stores into a single 256-bit store: vmovups %ymm0, (%rdi) Differential Revision: http://reviews.llvm.org/D7208 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@227242 91177308-0d34-0410-b5e6-96231b3b80d8
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