On 08/28/2018 05:20 AM, Richard Sandiford wrote: > Several callers of gimple_get_lhs deal with statements that might > be phis. This patch makes gimple_get_lhs handle that case too, > so that the callers don't have to. > > > 2018-08-28 Richard Sandiford <richard.sandif...@arm.com> > > gcc/ > * gimple.c (gimple_get_lhs): Handle gphis. > * tree-ssa-phionlycprop.c (get_lhs_or_phi_result): Delete and... > (propagate_rhs_into_lhs, eliminate_const_or_copy): ...use > gimple_get_lhs instead. > * tree-ssa-dom.c (eliminate_redundant_computations): Don't handle > phis specially before calling gimple_get_lhs. > * tree-ssa-scopedtables.c (avail_exprs_stack::lookup_avail_expr): > Likewise. > * tree-vect-loop.c (vectorizable_live_operation): Likewise. > * tree-vect-slp.c (vect_get_slp_vect_defs): Likewise. > (vect_get_slp_defs): Likewise. > * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Likewise. > (vect_get_vec_def_for_stmt_copy, vect_transform_stmt): Likewise. I pondered doing this repeatedly through the years. So I'm all for it. Changes look fine to me.
jeff
