OK, I'll commit the early inline part.
Dehao
On Wed, May 29, 2013 at 10:00 AM, Xinliang David Li <davi...@google.com> wrote:
> The early inlining part is ok. The tracer optimization should be
> revisited -- we should have more fine grain control on it (for
> instance, based on FDO summary -- but that should be common to
> FDO/LIPO).
>
> David
>
> On Wed, May 29, 2013 at 9:39 AM, Dehao Chen <de...@google.com> wrote:
>> In gcc4-8, the max einline iterations are restricted to 1. For
>> AutoFDO, this is bad because early inline is not size restricted. This
>> patch allows einline to do multiple iterations in AutoFDO. It also
>> enables tracer optimization in AutoFDO.
>>
>> Bootstrapped and passed regression test.
>>
>> OK for googel-4_8?
>>
>> Thanks,
>> Dehao
>>
>> Index: gcc/ipa-inline.c
>> ===================================================================
>> --- gcc/ipa-inline.c (revision 199416)
>> +++ gcc/ipa-inline.c (working copy)
>> @@ -2161,7 +2161,8 @@ early_inliner (void)
>> {
>> /* We iterate incremental inlining to get trivial cases of indirect
>> inlining. */
>> - while (iterations < PARAM_VALUE (PARAM_EARLY_INLINER_MAX_ITERATIONS)
>> + while ((flag_auto_profile
>> + || iterations < PARAM_VALUE (PARAM_EARLY_INLINER_MAX_ITERATIONS))
>> && early_inline_small_functions (node))
>> {
>> timevar_push (TV_INTEGRATION);
>> Index: gcc/opts.c
>> ===================================================================
>> --- gcc/opts.c (revision 199416)
>> +++ gcc/opts.c (working copy)
>> @@ -1644,6 +1644,8 @@ common_handle_option (struct gcc_options *opts,
>> opts->x_flag_peel_loops = value;
>> if (!opts_set->x_flag_value_profile_transformations)
>> opts->x_flag_value_profile_transformations = value;
>> + if (!opts_set->x_flag_tracer)
>> + opts->x_flag_tracer = value;
>> if (!opts_set->x_flag_inline_functions)
>> opts->x_flag_inline_functions = value;
>> if (!opts_set->x_flag_ipa_cp)
