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6a9a49d7ab
SSE2/AVX non-constant packed shift instructions only use the lower 64-bit of the shift count. This patch teaches function 'getTargetVShiftNode' how to deal with shifts where the shift count node is of type MVT::i64. Before this patch, function 'getTargetVShiftNode' only knew how to deal with shift count nodes of type MVT::i32. This forced the backend to wrongly truncate the shift count to MVT::i32, and then zero-extend it back to MVT::i64. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223505 91177308-0d34-0410-b5e6-96231b3b80d8 |
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