a499aac5df
2014-11-07 Richard Biener <rguenther@suse.de> * match.pd: Add patterns for POINTER_PLUS_EXPR association and special patterns from tree-ssa-forwprop.c * fold-const.c (fold_binary_loc): Remove them here. * tree-ssa-forwprop.c (to_purge): New global bitmap. (fwprop_set_lattice_val): New function. (fwprop_invalidate_lattice): Likewise. (remove_prop_source_from_use): Instead of purging dead EH edges record blocks to do that in to_purge. (tidy_after_forward_propagate_addr): Likewise. (forward_propagate_addr_expr): Invalidate the lattice for SSA names we release. (simplify_conversion_from_bitmask): Likewise. (simplify_builtin_call): Likewise. (associate_pointerplus_align): Remove. (associate_pointerplus_diff): Likewise. (associate_pointerplus): Likewise. (fold_all_stmts): Merge with ... (pass_forwprop::execute): ... the original loop over all basic-blocks. Delay purging dead EH edges and invalidate the lattice for SSA names we release. From-SVN: r217213 |
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