PATCH to use the new gimple_call_internal_p overload

[Jeff Law]

On 09/26/2016 07:53 AM, Marek Polacek wrote:
> In my recent -Wimplicit-fallthrough patch I introduced a new overload
> gimple_call_internal_p to check whether a stmt is a specific internal
> function.  So use this predicate in the rest of the codebase, too.
>
> Bootstrapped/regtested on x86_64-linux, ok for trunk?
>
> 2016-09-26  Marek Polacek  <polacek@redhat.com>
>
> 	* ipa-inline-analysis.c (find_foldable_builtin_expect): Use
> 	gimple_call_internal_p.
> 	* ipa-split.c (find_return_bb): Likewise.
> 	(execute_split_functions): Likewise.
> 	* omp-low.c (dump_oacc_loop_part): Likewise.
> 	(oacc_loop_xform_head_tail): Likewise.
> 	* predict.c (predict_loops): Likewise.
> 	* sanopt.c (pass_sanopt::execute): Likewise.
> 	* tree-cfg.c (get_abnormal_succ_dispatcher): Likewise.
> 	* tree-parloops.c (oacc_entry_exit_ok_1): Likewise.
> 	* tree-stdarg.c (gimple_call_ifn_va_arg_p): Remove function.
> 	(expand_ifn_va_arg_1): Use gimple_call_internal_p.
> 	(expand_ifn_va_arg): Likewise.
> 	* tree-vect-loop.c (vect_determine_vectorization_factor): Likewise.
> 	(optimize_mask_stores): Likewise.
> 	* tree-vect-stmts.c (vect_simd_lane_linear): Likewise.
> 	(vect_transform_stmt): Likewise.
> 	* tree-vectorizer.c (vect_loop_vectorized_call): Likewise.
> 	* tsan.c (instrument_memory_accesses): Likewise.
OK.  Thanks for cleaning this up.

jeff