PR tree-optimization/58775
	PR tree-optimization/58791
	* tree-ssa-reassoc.c (reassoc_stmt_dominates_stmt_p): New function.
	(insert_stmt_after): Rewritten, don't move the stmt, but really
	insert it.
	(get_stmt_uid_with_default): Remove.
	(build_and_add_sum): Use insert_stmt_after and
	reassoc_stmt_dominates_stmt_p.  Fix up uid if bb contains only
	labels.
	(update_range_test): Set uid on stmts added by
	force_gimple_operand_gsi.  Don't immediately modify statements
	in inter-bb optimization, just update oe->op values.
	(optimize_range_tests): Return bool whether any changed have
	been made.
	(update_ops): New function.
	(struct inter_bb_range_test_entry): New type.
	(maybe_optimize_range_tests): Perform statement changes here.
	(not_dominated_by, appears_later_in_bb, get_def_stmt,
	ensure_ops_are_available): Remove.
	(find_insert_point): Rewritten.
	(rewrite_expr_tree): Remove MOVED argument, add CHANGED argument,
	return LHS of the (new resp. old) stmt.  Don't call
	ensure_ops_are_available, don't reuse SSA_NAMEs, recurse first
	instead of last, move new stmt at the right place.
	(linearize_expr, repropagate_negates): Don't reuse SSA_NAMEs.
	(negate_value): Likewise.  Set uids.
	(break_up_subtract_bb): Initialize uids.
	(reassociate_bb): Adjust rewrite_expr_tree caller.
	(do_reassoc): Don't call renumber_gimple_stmt_uids.

	* gcc.dg/guality/pr58791-1.c: New test.
	* gcc.dg/guality/pr58791-2.c: New test.
	* gcc.dg/guality/pr58791-3.c: New test.
	* gcc.dg/guality/pr58791-4.c: New test.
	* gcc.dg/guality/pr58791-5.c: New test.
	* gcc.c-torture/compile/pr58775.c: New test.
	* gcc.dg/tree-ssa/reassoc-28.c: Don't scan reassoc1 dump.

From-SVN: r203979