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authorSimon Pilgrim <llvm-dev@redking.me.uk>2018-07-08 12:47:50 +0000
committerSimon Pilgrim <llvm-dev@redking.me.uk>2018-07-08 12:47:50 +0000
commit2eced71ecf8d1bf69e219973f1bd5ac19375bb32 (patch)
tree1fef90d258cafdced6f23dab75aba2ed7614d547 /lldb/packages/Python/lldbsuite/test/python_api/debugger/TestDebuggerAPI.py
parent1795870bb8628c5858dde7a1a792d7062618d0f7 (diff)
downloadbcm5719-llvm-2eced71ecf8d1bf69e219973f1bd5ac19375bb32.tar.gz
bcm5719-llvm-2eced71ecf8d1bf69e219973f1bd5ac19375bb32.zip
[X86][SSE] Combine v16i8 SHL by constants to multiplies
Pre-AVX512 (which can perform a quick extend/shift/truncate), extending to 2 v8i16 for the PMULLW and then truncating is more performant than relying on the generic PBLENDVB vXi8 shift path and uses a similar amount of mask constant pool data. Differential Revision: https://reviews.llvm.org/D48963 llvm-svn: 336513
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