Upgrade to 3.29
Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.
Bug: 17370214
Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/src/compiler/js-graph.cc b/src/compiler/js-graph.cc
new file mode 100644
index 0000000..1309531
--- /dev/null
+++ b/src/compiler/js-graph.cc
@@ -0,0 +1,186 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/compiler/js-graph.h"
+#include "src/compiler/node-properties-inl.h"
+#include "src/compiler/typer.h"
+
+namespace v8 {
+namespace internal {
+namespace compiler {
+
+Node* JSGraph::ImmovableHeapConstant(Handle<Object> object) {
+ Unique<Object> unique = Unique<Object>::CreateImmovable(object);
+ return NewNode(common()->HeapConstant(unique));
+}
+
+
+Node* JSGraph::NewNode(const Operator* op) {
+ Node* node = graph()->NewNode(op);
+ typer_->Init(node);
+ return node;
+}
+
+
+Node* JSGraph::CEntryStubConstant() {
+ if (!c_entry_stub_constant_.is_set()) {
+ c_entry_stub_constant_.set(
+ ImmovableHeapConstant(CEntryStub(isolate(), 1).GetCode()));
+ }
+ return c_entry_stub_constant_.get();
+}
+
+
+Node* JSGraph::UndefinedConstant() {
+ if (!undefined_constant_.is_set()) {
+ undefined_constant_.set(
+ ImmovableHeapConstant(factory()->undefined_value()));
+ }
+ return undefined_constant_.get();
+}
+
+
+Node* JSGraph::TheHoleConstant() {
+ if (!the_hole_constant_.is_set()) {
+ the_hole_constant_.set(ImmovableHeapConstant(factory()->the_hole_value()));
+ }
+ return the_hole_constant_.get();
+}
+
+
+Node* JSGraph::TrueConstant() {
+ if (!true_constant_.is_set()) {
+ true_constant_.set(ImmovableHeapConstant(factory()->true_value()));
+ }
+ return true_constant_.get();
+}
+
+
+Node* JSGraph::FalseConstant() {
+ if (!false_constant_.is_set()) {
+ false_constant_.set(ImmovableHeapConstant(factory()->false_value()));
+ }
+ return false_constant_.get();
+}
+
+
+Node* JSGraph::NullConstant() {
+ if (!null_constant_.is_set()) {
+ null_constant_.set(ImmovableHeapConstant(factory()->null_value()));
+ }
+ return null_constant_.get();
+}
+
+
+Node* JSGraph::ZeroConstant() {
+ if (!zero_constant_.is_set()) zero_constant_.set(NumberConstant(0.0));
+ return zero_constant_.get();
+}
+
+
+Node* JSGraph::OneConstant() {
+ if (!one_constant_.is_set()) one_constant_.set(NumberConstant(1.0));
+ return one_constant_.get();
+}
+
+
+Node* JSGraph::NaNConstant() {
+ if (!nan_constant_.is_set()) {
+ nan_constant_.set(NumberConstant(base::OS::nan_value()));
+ }
+ return nan_constant_.get();
+}
+
+
+Node* JSGraph::HeapConstant(Unique<Object> value) {
+ // TODO(turbofan): canonicalize heap constants using Unique<T>
+ return NewNode(common()->HeapConstant(value));
+}
+
+
+Node* JSGraph::HeapConstant(Handle<Object> value) {
+ // TODO(titzer): We could also match against the addresses of immortable
+ // immovables here, even without access to the heap, thus always
+ // canonicalizing references to them.
+ // return HeapConstant(Unique<Object>::CreateUninitialized(value));
+ // TODO(turbofan): This is a work-around to make Unique::HashCode() work for
+ // value numbering. We need some sane way to compute a unique hash code for
+ // arbitrary handles here.
+ Unique<Object> unique(reinterpret_cast<Address>(*value.location()), value);
+ return HeapConstant(unique);
+}
+
+
+Node* JSGraph::Constant(Handle<Object> value) {
+ // Dereference the handle to determine if a number constant or other
+ // canonicalized node can be used.
+ if (value->IsNumber()) {
+ return Constant(value->Number());
+ } else if (value->IsUndefined()) {
+ return UndefinedConstant();
+ } else if (value->IsTrue()) {
+ return TrueConstant();
+ } else if (value->IsFalse()) {
+ return FalseConstant();
+ } else if (value->IsNull()) {
+ return NullConstant();
+ } else if (value->IsTheHole()) {
+ return TheHoleConstant();
+ } else {
+ return HeapConstant(value);
+ }
+}
+
+
+Node* JSGraph::Constant(double value) {
+ if (bit_cast<int64_t>(value) == bit_cast<int64_t>(0.0)) return ZeroConstant();
+ if (bit_cast<int64_t>(value) == bit_cast<int64_t>(1.0)) return OneConstant();
+ return NumberConstant(value);
+}
+
+
+Node* JSGraph::Constant(int32_t value) {
+ if (value == 0) return ZeroConstant();
+ if (value == 1) return OneConstant();
+ return NumberConstant(value);
+}
+
+
+Node* JSGraph::Int32Constant(int32_t value) {
+ Node** loc = cache_.FindInt32Constant(value);
+ if (*loc == NULL) {
+ *loc = NewNode(common()->Int32Constant(value));
+ }
+ return *loc;
+}
+
+
+Node* JSGraph::NumberConstant(double value) {
+ Node** loc = cache_.FindNumberConstant(value);
+ if (*loc == NULL) {
+ *loc = NewNode(common()->NumberConstant(value));
+ }
+ return *loc;
+}
+
+
+Node* JSGraph::Float64Constant(double value) {
+ Node** loc = cache_.FindFloat64Constant(value);
+ if (*loc == NULL) {
+ *loc = NewNode(common()->Float64Constant(value));
+ }
+ return *loc;
+}
+
+
+Node* JSGraph::ExternalConstant(ExternalReference reference) {
+ Node** loc = cache_.FindExternalConstant(reference);
+ if (*loc == NULL) {
+ *loc = NewNode(common()->ExternalConstant(reference));
+ }
+ return *loc;
+}
+} // namespace compiler
+} // namespace internal
+} // namespace v8