--- a/hotspot/src/share/vm/opto/type.hpp Mon May 06 19:49:23 2013 -0700
+++ b/hotspot/src/share/vm/opto/type.hpp Wed May 08 15:08:01 2013 -0700
@@ -234,6 +234,9 @@
bool is_ptr_to_narrowoop() const;
bool is_ptr_to_narrowklass() const;
+ bool is_ptr_to_boxing_obj() const;
+
+
// Convenience access
float getf() const;
double getd() const;
@@ -794,6 +797,7 @@
bool _klass_is_exact;
bool _is_ptr_to_narrowoop;
bool _is_ptr_to_narrowklass;
+ bool _is_ptr_to_boxed_value;
// If not InstanceTop or InstanceBot, indicates that this is
// a particular instance of this type which is distinct.
@@ -826,7 +830,9 @@
// If the object cannot be rendered as a constant,
// may return a non-singleton type.
// If require_constant, produce a NULL if a singleton is not possible.
- static const TypeOopPtr* make_from_constant(ciObject* o, bool require_constant = false);
+ static const TypeOopPtr* make_from_constant(ciObject* o,
+ bool require_constant = false,
+ bool not_null_elements = false);
// Make a generic (unclassed) pointer to an oop.
static const TypeOopPtr* make(PTR ptr, int offset, int instance_id);
@@ -839,7 +845,7 @@
// compressed oop references.
bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; }
-
+ bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; }
bool is_known_instance() const { return _instance_id > 0; }
int instance_id() const { return _instance_id; }
bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
@@ -912,6 +918,9 @@
// Make a pointer to an oop.
static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id = InstanceBot );
+ /** Create constant type for a constant boxed value */
+ const Type* get_const_boxed_value() const;
+
// If this is a java.lang.Class constant, return the type for it or NULL.
// Pass to Type::get_const_type to turn it to a type, which will usually
// be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
@@ -943,7 +952,12 @@
//------------------------------TypeAryPtr-------------------------------------
// Class of Java array pointers
class TypeAryPtr : public TypeOopPtr {
- TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id ) : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id), _ary(ary) {
+ TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk,
+ int offset, int instance_id, bool is_autobox_cache )
+ : TypeOopPtr(AryPtr,ptr,k,xk,o,offset, instance_id),
+ _ary(ary),
+ _is_autobox_cache(is_autobox_cache)
+ {
#ifdef ASSERT
if (k != NULL) {
// Verify that specified klass and TypeAryPtr::klass() follow the same rules.
@@ -964,6 +978,7 @@
virtual bool eq( const Type *t ) const;
virtual int hash() const; // Type specific hashing
const TypeAry *_ary; // Array we point into
+ const bool _is_autobox_cache;
ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const;
@@ -974,9 +989,11 @@
const Type* elem() const { return _ary->_elem; }
const TypeInt* size() const { return _ary->_size; }
+ bool is_autobox_cache() const { return _is_autobox_cache; }
+
static const TypeAryPtr *make( PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot);
// Constant pointer to array
- static const TypeAryPtr *make( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot);
+ static const TypeAryPtr *make( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset, int instance_id = InstanceBot, bool is_autobox_cache = false);
// Return a 'ptr' version of this type
virtual const Type *cast_to_ptr_type(PTR ptr) const;
@@ -1504,6 +1521,13 @@
return false;
}
+inline bool Type::is_ptr_to_boxing_obj() const {
+ const TypeInstPtr* tp = isa_instptr();
+ return (tp != NULL) && (tp->offset() == 0) &&
+ tp->klass()->is_instance_klass() &&
+ tp->klass()->as_instance_klass()->is_box_klass();
+}
+
// ===============================================================
// Things that need to be 64-bits in the 64-bit build but