[Bug tree-optimization/116075] Inefficient SVE INSR codegen

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116075

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
fold_const_all misses VEC_SHL_INSERT folding (and probably many(?) others)