#ifndef V8_COMPILER_SIMPLIFIED_LOWERING_H_
#define V8_COMPILER_SIMPLIFIED_LOWERING_H_
-#include "src/compiler/graph-reducer.h"
#include "src/compiler/js-graph.h"
-#include "src/compiler/lowering-builder.h"
#include "src/compiler/machine-operator.h"
#include "src/compiler/node.h"
#include "src/compiler/simplified-operator.h"
namespace internal {
namespace compiler {
-class SimplifiedLowering : public LoweringBuilder {
+class SimplifiedLowering {
public:
- explicit SimplifiedLowering(JSGraph* jsgraph,
- SourcePositionTable* source_positions)
- : LoweringBuilder(jsgraph->graph(), source_positions),
- jsgraph_(jsgraph),
- machine_(jsgraph->zone()) {}
+ explicit SimplifiedLowering(JSGraph* jsgraph) : jsgraph_(jsgraph) {}
virtual ~SimplifiedLowering() {}
void LowerAllNodes();
- virtual void Lower(Node* node);
- void LowerChange(Node* node, Node* effect, Node* control);
-
// TODO(titzer): These are exposed for direct testing. Use a friend class.
void DoLoadField(Node* node);
void DoStoreField(Node* node);
void DoLoadElement(Node* node);
void DoStoreElement(Node* node);
+ void DoStringAdd(Node* node);
+ void DoStringEqual(Node* node);
+ void DoStringLessThan(Node* node);
+ void DoStringLessThanOrEqual(Node* node);
private:
JSGraph* jsgraph_;
- MachineOperatorBuilder machine_;
Node* SmiTag(Node* node);
Node* IsTagged(Node* node);
Node* Untag(Node* node);
Node* OffsetMinusTagConstant(int32_t offset);
Node* ComputeIndex(const ElementAccess& access, Node* index);
-
- void DoChangeTaggedToUI32(Node* node, Node* effect, Node* control,
- bool is_signed);
- void DoChangeUI32ToTagged(Node* node, Node* effect, Node* control,
- bool is_signed);
- void DoChangeTaggedToFloat64(Node* node, Node* effect, Node* control);
- void DoChangeFloat64ToTagged(Node* node, Node* effect, Node* control);
- void DoChangeBoolToBit(Node* node, Node* effect, Node* control);
- void DoChangeBitToBool(Node* node, Node* effect, Node* control);
+ Node* StringComparison(Node* node, bool requires_ordering);
friend class RepresentationSelector;
JSGraph* jsgraph() { return jsgraph_; }
Graph* graph() { return jsgraph()->graph(); }
CommonOperatorBuilder* common() { return jsgraph()->common(); }
- MachineOperatorBuilder* machine() { return &machine_; }
+ MachineOperatorBuilder* machine() { return jsgraph()->machine(); }
};
} // namespace compiler