4f5337a2b6
When compiling on a laptop I like to concatenate the small test files. This makes a big difference to compile times. These changes make that easier. R=ulan@chromium.org BUG= Review URL: https://codereview.chromium.org/1163803002 Cr-Commit-Position: refs/heads/master@{#28742}
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/allocation-site-scopes.h"
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namespace v8 {
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namespace internal {
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Handle<AllocationSite> AllocationSiteCreationContext::EnterNewScope() {
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Handle<AllocationSite> scope_site;
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if (top().is_null()) {
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// We are creating the top level AllocationSite as opposed to a nested
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// AllocationSite.
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InitializeTraversal(isolate()->factory()->NewAllocationSite());
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scope_site = Handle<AllocationSite>(*top(), isolate());
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if (FLAG_trace_creation_allocation_sites) {
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PrintF("*** Creating top level AllocationSite %p\n",
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static_cast<void*>(*scope_site));
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}
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} else {
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DCHECK(!current().is_null());
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scope_site = isolate()->factory()->NewAllocationSite();
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if (FLAG_trace_creation_allocation_sites) {
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PrintF("Creating nested site (top, current, new) (%p, %p, %p)\n",
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static_cast<void*>(*top()),
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static_cast<void*>(*current()),
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static_cast<void*>(*scope_site));
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}
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current()->set_nested_site(*scope_site);
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update_current_site(*scope_site);
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}
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DCHECK(!scope_site.is_null());
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return scope_site;
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}
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void AllocationSiteCreationContext::ExitScope(
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Handle<AllocationSite> scope_site,
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Handle<JSObject> object) {
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if (!object.is_null()) {
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bool top_level = !scope_site.is_null() &&
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top().is_identical_to(scope_site);
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scope_site->set_transition_info(*object);
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if (FLAG_trace_creation_allocation_sites) {
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if (top_level) {
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PrintF("*** Setting AllocationSite %p transition_info %p\n",
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static_cast<void*>(*scope_site),
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static_cast<void*>(*object));
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} else {
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PrintF("Setting AllocationSite (%p, %p) transition_info %p\n",
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static_cast<void*>(*top()),
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static_cast<void*>(*scope_site),
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static_cast<void*>(*object));
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}
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}
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}
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}
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bool AllocationSiteUsageContext::ShouldCreateMemento(Handle<JSObject> object) {
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if (activated_ && AllocationSite::CanTrack(object->map()->instance_type())) {
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if (FLAG_allocation_site_pretenuring ||
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AllocationSite::GetMode(object->GetElementsKind()) ==
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TRACK_ALLOCATION_SITE) {
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if (FLAG_trace_creation_allocation_sites) {
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PrintF("*** Creating Memento for %s %p\n",
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object->IsJSArray() ? "JSArray" : "JSObject",
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static_cast<void*>(*object));
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}
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return true;
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}
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}
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return false;
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}
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} // namespace internal
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} // namespace v8
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