1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef V8_COMPILER_SIMPLIFIED_LOWERING_H_
6 #define V8_COMPILER_SIMPLIFIED_LOWERING_H_
8 #include "src/compiler/js-graph.h"
9 #include "src/compiler/machine-operator.h"
10 #include "src/compiler/node.h"
11 #include "src/compiler/simplified-operator.h"
17 class SimplifiedLowering {
19 explicit SimplifiedLowering(JSGraph* jsgraph) : jsgraph_(jsgraph) {}
20 virtual ~SimplifiedLowering() {}
24 // TODO(titzer): These are exposed for direct testing. Use a friend class.
25 void DoLoadField(Node* node);
26 void DoStoreField(Node* node);
27 void DoLoadElement(Node* node);
28 void DoStoreElement(Node* node);
29 void DoStringAdd(Node* node);
30 void DoStringEqual(Node* node);
31 void DoStringLessThan(Node* node);
32 void DoStringLessThanOrEqual(Node* node);
37 Node* SmiTag(Node* node);
38 Node* IsTagged(Node* node);
39 Node* Untag(Node* node);
40 Node* OffsetMinusTagConstant(int32_t offset);
41 Node* ComputeIndex(const ElementAccess& access, Node* index);
42 Node* StringComparison(Node* node, bool requires_ordering);
44 friend class RepresentationSelector;
46 Zone* zone() { return jsgraph_->zone(); }
47 JSGraph* jsgraph() { return jsgraph_; }
48 Graph* graph() { return jsgraph()->graph(); }
49 CommonOperatorBuilder* common() { return jsgraph()->common(); }
50 MachineOperatorBuilder* machine() { return jsgraph()->machine(); }
53 } // namespace compiler
54 } // namespace internal
57 #endif // V8_COMPILER_SIMPLIFIED_LOWERING_H_