347 init_req(0,control);
348 init_req(1,b);
349 }
350 virtual int Opcode() const;
351 virtual bool pinned() const { return true; }
352 virtual const Type *bottom_type() const { return TypeTuple::IFBOTH; }
353 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
354 virtual const Type *Value( PhaseTransform *phase ) const;
355 virtual int required_outcnt() const { return 2; }
356 virtual const RegMask &out_RegMask() const;
357 void dominated_by(Node* prev_dom, PhaseIterGVN* igvn);
358 int is_range_check(Node* &range, Node* &index, jint &offset);
359 Node* fold_compares(PhaseGVN* phase);
360 static Node* up_one_dom(Node* curr, bool linear_only = false);
361
362 // Takes the type of val and filters it through the test represented
363 // by if_proj and returns a more refined type if one is produced.
364 // Returns NULL is it couldn't improve the type.
365 static const TypeInt* filtered_int_type(PhaseGVN* phase, Node* val, Node* if_proj);
366
367 #ifndef PRODUCT
368 virtual void dump_spec(outputStream *st) const;
369 #endif
370 };
371
372 class IfTrueNode : public CProjNode {
373 public:
374 IfTrueNode( IfNode *ifnode ) : CProjNode(ifnode,1) {
375 init_class_id(Class_IfTrue);
376 }
377 virtual int Opcode() const;
378 virtual Node *Identity( PhaseTransform *phase );
379 };
380
381 class IfFalseNode : public CProjNode {
382 public:
383 IfFalseNode( IfNode *ifnode ) : CProjNode(ifnode,0) {
384 init_class_id(Class_IfFalse);
385 }
386 virtual int Opcode() const;
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347 init_req(0,control);
348 init_req(1,b);
349 }
350 virtual int Opcode() const;
351 virtual bool pinned() const { return true; }
352 virtual const Type *bottom_type() const { return TypeTuple::IFBOTH; }
353 virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
354 virtual const Type *Value( PhaseTransform *phase ) const;
355 virtual int required_outcnt() const { return 2; }
356 virtual const RegMask &out_RegMask() const;
357 void dominated_by(Node* prev_dom, PhaseIterGVN* igvn);
358 int is_range_check(Node* &range, Node* &index, jint &offset);
359 Node* fold_compares(PhaseGVN* phase);
360 static Node* up_one_dom(Node* curr, bool linear_only = false);
361
362 // Takes the type of val and filters it through the test represented
363 // by if_proj and returns a more refined type if one is produced.
364 // Returns NULL is it couldn't improve the type.
365 static const TypeInt* filtered_int_type(PhaseGVN* phase, Node* val, Node* if_proj);
366
367 bool is_shenandoah_marking_if(PhaseTransform *phase) const;
368
369 #ifndef PRODUCT
370 virtual void dump_spec(outputStream *st) const;
371 #endif
372 };
373
374 class IfTrueNode : public CProjNode {
375 public:
376 IfTrueNode( IfNode *ifnode ) : CProjNode(ifnode,1) {
377 init_class_id(Class_IfTrue);
378 }
379 virtual int Opcode() const;
380 virtual Node *Identity( PhaseTransform *phase );
381 };
382
383 class IfFalseNode : public CProjNode {
384 public:
385 IfFalseNode( IfNode *ifnode ) : CProjNode(ifnode,0) {
386 init_class_id(Class_IfFalse);
387 }
388 virtual int Opcode() const;
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