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src/hotspot/share/opto/type.cpp

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 541   TypePtr::NOTNULL = TypePtr::make(AnyPtr, TypePtr::NotNull, OffsetBot);
 542   TypePtr::BOTTOM  = TypePtr::make(AnyPtr, TypePtr::BotPTR, OffsetBot);
 543 
 544   TypeRawPtr::BOTTOM = TypeRawPtr::make( TypePtr::BotPTR );
 545   TypeRawPtr::NOTNULL= TypeRawPtr::make( TypePtr::NotNull );
 546 
 547   const Type **fmembar = TypeTuple::fields(0);
 548   TypeTuple::MEMBAR = TypeTuple::make(TypeFunc::Parms+0, fmembar);
 549 
 550   const Type **fsc = (const Type**)shared_type_arena->AmallocWords(2*sizeof(Type*));
 551   fsc[0] = TypeInt::CC;
 552   fsc[1] = Type::MEMORY;
 553   TypeTuple::STORECONDITIONAL = TypeTuple::make(2, fsc);
 554 
 555   TypeInstPtr::NOTNULL = TypeInstPtr::make(TypePtr::NotNull, current->env()->Object_klass());
 556   TypeInstPtr::BOTTOM  = TypeInstPtr::make(TypePtr::BotPTR,  current->env()->Object_klass());
 557   TypeInstPtr::MIRROR  = TypeInstPtr::make(TypePtr::NotNull, current->env()->Class_klass());
 558   TypeInstPtr::MARK    = TypeInstPtr::make(TypePtr::BotPTR,  current->env()->Object_klass(),
 559                                            false, nullptr, oopDesc::mark_offset_in_bytes());
 560   TypeInstPtr::KLASS   = TypeInstPtr::make(TypePtr::BotPTR,  current->env()->Object_klass(),
 561                                            false, nullptr, oopDesc::klass_offset_in_bytes());
 562   TypeOopPtr::BOTTOM  = TypeOopPtr::make(TypePtr::BotPTR, OffsetBot, TypeOopPtr::InstanceBot);
 563 
 564   TypeMetadataPtr::BOTTOM = TypeMetadataPtr::make(TypePtr::BotPTR, nullptr, OffsetBot);
 565 
 566   TypeNarrowOop::NULL_PTR = TypeNarrowOop::make( TypePtr::NULL_PTR );
 567   TypeNarrowOop::BOTTOM   = TypeNarrowOop::make( TypeInstPtr::BOTTOM );
 568 
 569   TypeNarrowKlass::NULL_PTR = TypeNarrowKlass::make( TypePtr::NULL_PTR );
 570 
 571   mreg2type[Op_Node] = Type::BOTTOM;
 572   mreg2type[Op_Set ] = nullptr;
 573   mreg2type[Op_RegN] = TypeNarrowOop::BOTTOM;
 574   mreg2type[Op_RegI] = TypeInt::INT;
 575   mreg2type[Op_RegP] = TypePtr::BOTTOM;
 576   mreg2type[Op_RegF] = Type::FLOAT;
 577   mreg2type[Op_RegD] = Type::DOUBLE;
 578   mreg2type[Op_RegL] = TypeLong::LONG;
 579   mreg2type[Op_RegFlags] = TypeInt::CC;
 580 
 581   GrowableArray<ciInstanceKlass*> array_interfaces;

3508                        int instance_id, const TypePtr* speculative, int inline_depth)
3509   : TypePtr(t, ptr, offset, speculative, inline_depth),
3510     _const_oop(o), _klass(k),
3511     _interfaces(interfaces),
3512     _klass_is_exact(xk),
3513     _is_ptr_to_narrowoop(false),
3514     _is_ptr_to_narrowklass(false),
3515     _is_ptr_to_boxed_value(false),
3516     _instance_id(instance_id) {
3517 #ifdef ASSERT
3518   if (klass() != nullptr && klass()->is_loaded()) {
3519     interfaces->verify_is_loaded();
3520   }
3521 #endif
3522   if (Compile::current()->eliminate_boxing() && (t == InstPtr) &&
3523       (offset > 0) && xk && (k != nullptr) && k->is_instance_klass()) {
3524     _is_ptr_to_boxed_value = k->as_instance_klass()->is_boxed_value_offset(offset);
3525   }
3526 #ifdef _LP64
3527   if (_offset > 0 || _offset == Type::OffsetTop || _offset == Type::OffsetBot) {
3528     if (_offset == oopDesc::klass_offset_in_bytes()) {
3529       _is_ptr_to_narrowklass = UseCompressedClassPointers;
3530     } else if (klass() == nullptr) {
3531       // Array with unknown body type
3532       assert(this->isa_aryptr(), "only arrays without klass");
3533       _is_ptr_to_narrowoop = UseCompressedOops;
3534     } else if (this->isa_aryptr()) {
3535       _is_ptr_to_narrowoop = (UseCompressedOops && klass()->is_obj_array_klass() &&
3536                              _offset != arrayOopDesc::length_offset_in_bytes());
3537     } else if (klass()->is_instance_klass()) {
3538       ciInstanceKlass* ik = klass()->as_instance_klass();
3539       if (this->isa_klassptr()) {
3540         // Perm objects don't use compressed references
3541       } else if (_offset == OffsetBot || _offset == OffsetTop) {
3542         // unsafe access
3543         _is_ptr_to_narrowoop = UseCompressedOops;
3544       } else {
3545         assert(this->isa_instptr(), "must be an instance ptr.");
3546 
3547         if (klass() == ciEnv::current()->Class_klass() &&
3548             (_offset == java_lang_Class::klass_offset() ||

 541   TypePtr::NOTNULL = TypePtr::make(AnyPtr, TypePtr::NotNull, OffsetBot);
 542   TypePtr::BOTTOM  = TypePtr::make(AnyPtr, TypePtr::BotPTR, OffsetBot);
 543 
 544   TypeRawPtr::BOTTOM = TypeRawPtr::make( TypePtr::BotPTR );
 545   TypeRawPtr::NOTNULL= TypeRawPtr::make( TypePtr::NotNull );
 546 
 547   const Type **fmembar = TypeTuple::fields(0);
 548   TypeTuple::MEMBAR = TypeTuple::make(TypeFunc::Parms+0, fmembar);
 549 
 550   const Type **fsc = (const Type**)shared_type_arena->AmallocWords(2*sizeof(Type*));
 551   fsc[0] = TypeInt::CC;
 552   fsc[1] = Type::MEMORY;
 553   TypeTuple::STORECONDITIONAL = TypeTuple::make(2, fsc);
 554 
 555   TypeInstPtr::NOTNULL = TypeInstPtr::make(TypePtr::NotNull, current->env()->Object_klass());
 556   TypeInstPtr::BOTTOM  = TypeInstPtr::make(TypePtr::BotPTR,  current->env()->Object_klass());
 557   TypeInstPtr::MIRROR  = TypeInstPtr::make(TypePtr::NotNull, current->env()->Class_klass());
 558   TypeInstPtr::MARK    = TypeInstPtr::make(TypePtr::BotPTR,  current->env()->Object_klass(),
 559                                            false, nullptr, oopDesc::mark_offset_in_bytes());
 560   TypeInstPtr::KLASS   = TypeInstPtr::make(TypePtr::BotPTR,  current->env()->Object_klass(),
 561                                            false, nullptr, Type::klass_offset());
 562   TypeOopPtr::BOTTOM  = TypeOopPtr::make(TypePtr::BotPTR, OffsetBot, TypeOopPtr::InstanceBot);
 563 
 564   TypeMetadataPtr::BOTTOM = TypeMetadataPtr::make(TypePtr::BotPTR, nullptr, OffsetBot);
 565 
 566   TypeNarrowOop::NULL_PTR = TypeNarrowOop::make( TypePtr::NULL_PTR );
 567   TypeNarrowOop::BOTTOM   = TypeNarrowOop::make( TypeInstPtr::BOTTOM );
 568 
 569   TypeNarrowKlass::NULL_PTR = TypeNarrowKlass::make( TypePtr::NULL_PTR );
 570 
 571   mreg2type[Op_Node] = Type::BOTTOM;
 572   mreg2type[Op_Set ] = nullptr;
 573   mreg2type[Op_RegN] = TypeNarrowOop::BOTTOM;
 574   mreg2type[Op_RegI] = TypeInt::INT;
 575   mreg2type[Op_RegP] = TypePtr::BOTTOM;
 576   mreg2type[Op_RegF] = Type::FLOAT;
 577   mreg2type[Op_RegD] = Type::DOUBLE;
 578   mreg2type[Op_RegL] = TypeLong::LONG;
 579   mreg2type[Op_RegFlags] = TypeInt::CC;
 580 
 581   GrowableArray<ciInstanceKlass*> array_interfaces;

3508                        int instance_id, const TypePtr* speculative, int inline_depth)
3509   : TypePtr(t, ptr, offset, speculative, inline_depth),
3510     _const_oop(o), _klass(k),
3511     _interfaces(interfaces),
3512     _klass_is_exact(xk),
3513     _is_ptr_to_narrowoop(false),
3514     _is_ptr_to_narrowklass(false),
3515     _is_ptr_to_boxed_value(false),
3516     _instance_id(instance_id) {
3517 #ifdef ASSERT
3518   if (klass() != nullptr && klass()->is_loaded()) {
3519     interfaces->verify_is_loaded();
3520   }
3521 #endif
3522   if (Compile::current()->eliminate_boxing() && (t == InstPtr) &&
3523       (offset > 0) && xk && (k != nullptr) && k->is_instance_klass()) {
3524     _is_ptr_to_boxed_value = k->as_instance_klass()->is_boxed_value_offset(offset);
3525   }
3526 #ifdef _LP64
3527   if (_offset > 0 || _offset == Type::OffsetTop || _offset == Type::OffsetBot) {
3528     if (_offset == Type::klass_offset()) {
3529       _is_ptr_to_narrowklass = UseCompressedClassPointers;
3530     } else if (klass() == nullptr) {
3531       // Array with unknown body type
3532       assert(this->isa_aryptr(), "only arrays without klass");
3533       _is_ptr_to_narrowoop = UseCompressedOops;
3534     } else if (this->isa_aryptr()) {
3535       _is_ptr_to_narrowoop = (UseCompressedOops && klass()->is_obj_array_klass() &&
3536                              _offset != arrayOopDesc::length_offset_in_bytes());
3537     } else if (klass()->is_instance_klass()) {
3538       ciInstanceKlass* ik = klass()->as_instance_klass();
3539       if (this->isa_klassptr()) {
3540         // Perm objects don't use compressed references
3541       } else if (_offset == OffsetBot || _offset == OffsetTop) {
3542         // unsafe access
3543         _is_ptr_to_narrowoop = UseCompressedOops;
3544       } else {
3545         assert(this->isa_instptr(), "must be an instance ptr.");
3546 
3547         if (klass() == ciEnv::current()->Class_klass() &&
3548             (_offset == java_lang_Class::klass_offset() ||
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