471 }
472
473 Node* join_io = join->in(TypeFunc::I_O);
474 Node* merging_io = merging->in(TypeFunc::I_O);
475 if (join_io != merging_io) {
476 PhiNode* phi;
477 if (join_io->is_Phi() && join_io->as_Phi()->region() == join_region) {
478 phi = join_io->as_Phi();
479 } else {
480 phi = PhiNode::make(join_region, join_io, Type::ABIO);
481 phi = (PhiNode*) delay_transform(phi);
482 join->set_req(TypeFunc::I_O, phi);
483 }
484 phi->set_req(slot, merging_io);
485 }
486 }
487
488
489 //----------------------------- make_call ----------------------------
490 // Trivial runtime call
491 void IdealKit::make_leaf_call(const TypeFunc *slow_call_type,
492 address slow_call,
493 const char *leaf_name,
494 Node* parm0,
495 Node* parm1,
496 Node* parm2,
497 Node* parm3) {
498
499 // We only handle taking in RawMem and modifying RawMem
500 const TypePtr* adr_type = TypeRawPtr::BOTTOM;
501 uint adr_idx = C->get_alias_index(adr_type);
502
503 // Slow-path leaf call
504 CallNode *call = (CallNode*)new CallLeafNode( slow_call_type, slow_call, leaf_name, adr_type);
505
506 // Set fixed predefined input arguments
507 call->init_req( TypeFunc::Control, ctrl() );
508 call->init_req( TypeFunc::I_O , top() ) ; // does no i/o
509 // Narrow memory as only memory input
510 call->init_req( TypeFunc::Memory , memory(adr_idx));
511 call->init_req( TypeFunc::FramePtr, top() /* frameptr() */ );
512 call->init_req( TypeFunc::ReturnAdr, top() );
513
514 if (parm0 != NULL) call->init_req(TypeFunc::Parms+0, parm0);
515 if (parm1 != NULL) call->init_req(TypeFunc::Parms+1, parm1);
516 if (parm2 != NULL) call->init_req(TypeFunc::Parms+2, parm2);
517 if (parm3 != NULL) call->init_req(TypeFunc::Parms+3, parm3);
518
519 // Node *c = _gvn.transform(call);
520 call = (CallNode *) _gvn.transform(call);
521 Node *c = call; // dbx gets confused with call call->dump()
522
523 // Slow leaf call has no side-effects, sets few values
524
525 set_ctrl(transform( new ProjNode(call,TypeFunc::Control) ));
526
527 // Make memory for the call
528 Node* mem = _gvn.transform( new ProjNode(call, TypeFunc::Memory) );
529
530 // Set the RawPtr memory state only.
531 set_memory(mem, adr_idx);
532
533 assert(C->alias_type(call->adr_type()) == C->alias_type(adr_type),
534 "call node must be constructed correctly");
535 }
536
537 void IdealKit::make_leaf_call_no_fp(const TypeFunc *slow_call_type,
538 address slow_call,
539 const char *leaf_name,
540 const TypePtr* adr_type,
541 Node* parm0,
542 Node* parm1,
543 Node* parm2,
544 Node* parm3) {
545
546 // We only handle taking in RawMem and modifying RawMem
547 uint adr_idx = C->get_alias_index(adr_type);
548
549 // Slow-path leaf call
550 CallNode *call = (CallNode*)new CallLeafNoFPNode( slow_call_type, slow_call, leaf_name, adr_type);
551
552 // Set fixed predefined input arguments
553 call->init_req( TypeFunc::Control, ctrl() );
554 call->init_req( TypeFunc::I_O , top() ) ; // does no i/o
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471 }
472
473 Node* join_io = join->in(TypeFunc::I_O);
474 Node* merging_io = merging->in(TypeFunc::I_O);
475 if (join_io != merging_io) {
476 PhiNode* phi;
477 if (join_io->is_Phi() && join_io->as_Phi()->region() == join_region) {
478 phi = join_io->as_Phi();
479 } else {
480 phi = PhiNode::make(join_region, join_io, Type::ABIO);
481 phi = (PhiNode*) delay_transform(phi);
482 join->set_req(TypeFunc::I_O, phi);
483 }
484 phi->set_req(slot, merging_io);
485 }
486 }
487
488
489 //----------------------------- make_call ----------------------------
490 // Trivial runtime call
491 Node* IdealKit::make_leaf_call(const TypeFunc *slow_call_type,
492 address slow_call,
493 const char *leaf_name,
494 Node* parm0,
495 Node* parm1,
496 Node* parm2,
497 Node* parm3) {
498
499 // We only handle taking in RawMem and modifying RawMem
500 const TypePtr* adr_type = TypeRawPtr::BOTTOM;
501 uint adr_idx = C->get_alias_index(adr_type);
502
503 // Slow-path leaf call
504 CallNode *call = (CallNode*)new CallLeafNode( slow_call_type, slow_call, leaf_name, adr_type);
505
506 // Set fixed predefined input arguments
507 call->init_req( TypeFunc::Control, ctrl() );
508 call->init_req( TypeFunc::I_O , top() ) ; // does no i/o
509 // Narrow memory as only memory input
510 call->init_req( TypeFunc::Memory , memory(adr_idx));
511 call->init_req( TypeFunc::FramePtr, top() /* frameptr() */ );
512 call->init_req( TypeFunc::ReturnAdr, top() );
513
514 if (parm0 != NULL) call->init_req(TypeFunc::Parms+0, parm0);
515 if (parm1 != NULL) call->init_req(TypeFunc::Parms+1, parm1);
516 if (parm2 != NULL) call->init_req(TypeFunc::Parms+2, parm2);
517 if (parm3 != NULL) call->init_req(TypeFunc::Parms+3, parm3);
518
519 // Node *c = _gvn.transform(call);
520 call = (CallNode *) _gvn.transform(call);
521 Node *c = call; // dbx gets confused with call call->dump()
522
523 // Slow leaf call has no side-effects, sets few values
524
525 set_ctrl(transform( new ProjNode(call,TypeFunc::Control) ));
526
527 // Make memory for the call
528 Node* mem = _gvn.transform( new ProjNode(call, TypeFunc::Memory) );
529
530 // Set the RawPtr memory state only.
531 set_memory(mem, adr_idx);
532
533 assert(C->alias_type(call->adr_type()) == C->alias_type(adr_type),
534 "call node must be constructed correctly");
535 Node* res = NULL;
536 if (slow_call_type->range()->cnt() > TypeFunc::Parms) {
537 assert(slow_call_type->range()->cnt() == TypeFunc::Parms+1, "only one return value");
538 res = transform(new ProjNode(call, TypeFunc::Parms));
539 }
540 return res;
541 }
542
543 void IdealKit::make_leaf_call_no_fp(const TypeFunc *slow_call_type,
544 address slow_call,
545 const char *leaf_name,
546 const TypePtr* adr_type,
547 Node* parm0,
548 Node* parm1,
549 Node* parm2,
550 Node* parm3) {
551
552 // We only handle taking in RawMem and modifying RawMem
553 uint adr_idx = C->get_alias_index(adr_type);
554
555 // Slow-path leaf call
556 CallNode *call = (CallNode*)new CallLeafNoFPNode( slow_call_type, slow_call, leaf_name, adr_type);
557
558 // Set fixed predefined input arguments
559 call->init_req( TypeFunc::Control, ctrl() );
560 call->init_req( TypeFunc::I_O , top() ) ; // does no i/o
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