llvm-project

3572b21d - [WebAssembly] Lower extend v16i8 to v16i32 (#188936)

[WebAssembly] Lower extend v16i8 to v16i32 (#188936) Split the input vector with an extend_low and high and then split the results again with extend_low and high for a total of 6 instructions. This is removes 3 shuffles and a couple of extends.