mirror of https://github.com/lukechilds/node.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.1 KiB
79 lines
2.1 KiB
11 years ago
|
// 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 "test/cctest/compiler/simplified-graph-builder.h"
|
||
|
|
|
||
|
|
namespace v8 {
|
||
|
|
namespace internal {
|
||
|
|
namespace compiler {
|
||
|
|
|
||
|
|
SimplifiedGraphBuilder::SimplifiedGraphBuilder(
|
||
|
|
Graph* graph, CommonOperatorBuilder* common,
|
||
|
|
MachineOperatorBuilder* machine, SimplifiedOperatorBuilder* simplified)
|
||
|
|
: StructuredGraphBuilder(graph, common),
|
||
|
|
machine_(machine),
|
||
|
|
simplified_(simplified) {}
|
||
|
|
|
||
|
|
|
||
|
|
void SimplifiedGraphBuilder::Begin(int num_parameters) {
|
||
|
|
DCHECK(graph()->start() == NULL);
|
||
|
|
Node* start = graph()->NewNode(common()->Start(num_parameters));
|
||
|
|
graph()->SetStart(start);
|
||
|
|
set_environment(new (zone()) Environment(this, start));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void SimplifiedGraphBuilder::Return(Node* value) {
|
||
|
|
Node* control = NewNode(common()->Return(), value);
|
||
|
|
UpdateControlDependencyToLeaveFunction(control);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void SimplifiedGraphBuilder::End() {
|
||
|
|
environment()->UpdateControlDependency(exit_control());
|
||
|
|
graph()->SetEnd(NewNode(common()->End()));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SimplifiedGraphBuilder::Environment::Environment(
|
||
|
|
SimplifiedGraphBuilder* builder, Node* control_dependency)
|
||
|
|
: StructuredGraphBuilder::Environment(builder, control_dependency) {}
|
||
|
|
|
||
|
|
|
||
|
|
Node* SimplifiedGraphBuilder::Environment::Top() {
|
||
|
|
DCHECK(!values()->empty());
|
||
|
|
return values()->back();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void SimplifiedGraphBuilder::Environment::Push(Node* node) {
|
||
|
|
values()->push_back(node);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
Node* SimplifiedGraphBuilder::Environment::Pop() {
|
||
|
|
DCHECK(!values()->empty());
|
||
|
|
Node* back = values()->back();
|
||
|
|
values()->pop_back();
|
||
|
|
return back;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void SimplifiedGraphBuilder::Environment::Poke(size_t depth, Node* node) {
|
||
|
|
DCHECK(depth < values()->size());
|
||
|
|
size_t index = values()->size() - depth - 1;
|
||
|
|
values()->at(index) = node;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
Node* SimplifiedGraphBuilder::Environment::Peek(size_t depth) {
|
||
|
|
DCHECK(depth < values()->size());
|
||
|
|
size_t index = values()->size() - depth - 1;
|
||
|
|
return values()->at(index);
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace compiler
|
||
|
|
} // namespace internal
|
||
|
|
} // namespace v8
|