DEFINE_bool(pretenuring_call_new, false, "pretenure call new")
DEFINE_bool(allocation_site_pretenuring, false,
"pretenure with allocation sites")
+DEFINE_bool(trace_pretenuring, false,
+ "trace pretenuring decisions of HAllocate instructions")
DEFINE_bool(track_fields, true, "track fields with only smi values")
DEFINE_bool(track_double_fields, true, "track fields with double values")
DEFINE_bool(track_heap_object_fields, true, "track fields with heap values")
HValue* size,
HType type,
PretenureFlag pretenure_flag,
- InstanceType instance_type) {
+ InstanceType instance_type,
+ Handle<AllocationSite> allocation_site =
+ Handle<AllocationSite>::null()) {
return new(zone) HAllocate(context, size, type, pretenure_flag,
- instance_type);
+ instance_type, allocation_site);
}
// Maximum instance size for which allocations will be inlined.
HValue* size,
HType type,
PretenureFlag pretenure_flag,
- InstanceType instance_type)
+ InstanceType instance_type,
+ Handle<AllocationSite> allocation_site =
+ Handle<AllocationSite>::null())
: HTemplateInstruction<2>(type),
dominating_allocate_(NULL),
filler_free_space_size_(NULL),
}
clear_next_map_word_ = pretenure_flag == NOT_TENURED &&
AllocationSite::CanTrack(instance_type);
+
+ if (FLAG_trace_pretenuring) {
+ PrintF("HAllocate with AllocationSite %p %s\n",
+ allocation_site.is_null()
+ ? static_cast<void*>(NULL)
+ : static_cast<void*>(*allocation_site),
+ pretenure_flag == TENURED ? "tenured" : "not tenured");
+ }
}
void UpdateSize(HValue* size) {
pretenure_flag = site_context->current()->GetPretenureMode()
? TENURED
: NOT_TENURED;
- if (FLAG_trace_track_allocation_sites) {
- PrintF("Hydrogen: AllocationSite %p boilerplate %p %s\n",
- static_cast<void*>(*(site_context->current())),
- static_cast<void*>(*boilerplate_object),
- pretenure_flag == TENURED ? "tenured" : "not tenured");
- }
}
HInstruction* object = Add<HAllocate>(object_size_constant, type,
- pretenure_flag, instance_type);
+ pretenure_flag, instance_type, site_context->current());
BuildEmitObjectHeader(boilerplate_object, object);
HValue* object_elements_size = Add<HConstant>(elements_size);
if (boilerplate_object->HasFastDoubleElements()) {
object_elements = Add<HAllocate>(object_elements_size, HType::JSObject(),
- pretenure_flag, FIXED_DOUBLE_ARRAY_TYPE);
+ pretenure_flag, FIXED_DOUBLE_ARRAY_TYPE, site_context->current());
} else {
object_elements = Add<HAllocate>(object_elements_size, HType::JSObject(),
- pretenure_flag, FIXED_ARRAY_TYPE);
+ pretenure_flag, FIXED_ARRAY_TYPE, site_context->current());
}
}
BuildInitElementsInObjectHeader(boilerplate_object, object, object_elements);