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825b93b2df
Add target specific rules for combining vselect dag nodes into movss/movsd when possible. If the vector type of the vselect dag node in input is either MVT::v4i13 or MVT::v4f32, then try to fold according to rules: 1) fold (vselect (build_vector (0, -1, -1, -1)), A, B) -> (movss A, B) 2) fold (vselect (build_vector (-1, 0, 0, 0)), A, B) -> (movss B, A) If the vector type of the vselect dag node in input is either MVT::v2i64 or MVT::v2f64 (and we have SSE2), then try to fold according to rules: 3) fold (vselect (build_vector (0, -1)), A, B) -> (movsd A, B) 4) fold (vselect (build_vector (-1, 0)), A, B) -> (movsd B, A) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199683 91177308-0d34-0410-b5e6-96231b3b80d8 |
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