2019-10-16 Feng Xue <fxue@os.amperecomputing.com>
PR ipa/91088
* doc/invoke.texi (ipa-max-param-expr-ops): Document new option.
* params.def (PARAM_IPA_MAX_PARAM_EXPR_OPS): New.
* ipa-predicat.h (struct expr_eval_op): New struct.
(expr_eval_ops): New typedef.
(struct condition): Add type and param_ops fields, remove size field.
(add_condition): Replace size parameter with type parameter, add
param_ops parameter.
* ipa-predicat.c (expr_eval_ops_equal_p): New function.
(predicate::add_clause): Add comparisons on type and param_ops.
(dump_condition): Add debug dump for param_ops.
(remap_after_inlining): Adjust call arguments to add_condition.
(add_condition): Replace size parameter with type parameter, add
param_ops parameter. Unshare constant value used in conditions.
* ipa-fnsummary.c (evaluate_conditions_for_known_args): Fold
parameter expressions using param_ops.
(decompose_param_expr): New function.
(set_cond_stmt_execution_predicate): Use call to decompose_param_expr
to replace call to unmodified_parm_or_parm_agg_item.
(set_switch_stmt_execution_predicate): Likewise.
(will_be_nonconstant_expr_predicate): Likewise. Replace usage of size
with type.
(inline_read_section): Read param_ops from summary stream.
(ipa_fn_summary_write): Write param_ops to summary stream.
2019-10-16 Feng Xue <fxue@os.amperecomputing.com>
PR ipa/91088
* gcc.dg/ipa/pr91088.c: New test.
* gcc.dg/ipa/pr91089.c: Add sub-test for range analysis.
* g++.dg/tree-ssa/ivopts-3.C: Force a function to be noinline.
From-SVN: r277054
