1 /*
2 * Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef SHARE_OPTO_TYPE_HPP
26 #define SHARE_OPTO_TYPE_HPP
27
28 #include "opto/adlcVMDeps.hpp"
29 #include "runtime/handles.hpp"
30
31 // Portions of code courtesy of Clifford Click
32
33 // Optimization - Graph Style
34
35
36 // This class defines a Type lattice. The lattice is used in the constant
37 // propagation algorithms, and for some type-checking of the iloc code.
38 // Basic types include RSD's (lower bound, upper bound, stride for integers),
39 // float & double precision constants, sets of data-labels and code-labels.
40 // The complete lattice is described below. Subtypes have no relationship to
41 // up or down in the lattice; that is entirely determined by the behavior of
42 // the MEET/JOIN functions.
43
44 class Dict;
45 class Type;
46 class TypeD;
47 class TypeF;
48 class TypeInteger;
49 class TypeInt;
50 class TypeLong;
51 class TypeNarrowPtr;
52 class TypeNarrowOop;
53 class TypeNarrowKlass;
54 class TypeAry;
55 class TypeTuple;
56 class TypeVect;
57 class TypeVectA;
58 class TypeVectS;
59 class TypeVectD;
60 class TypeVectX;
61 class TypeVectY;
62 class TypeVectZ;
63 class TypeVectMask;
64 class TypePtr;
65 class TypeRawPtr;
66 class TypeOopPtr;
67 class TypeInstPtr;
68 class TypeAryPtr;
69 class TypeKlassPtr;
70 class TypeInstKlassPtr;
71 class TypeAryKlassPtr;
72 class TypeMetadataPtr;
73 class VerifyMeet;
74
75 //------------------------------Type-------------------------------------------
76 // Basic Type object, represents a set of primitive Values.
77 // Types are hash-cons'd into a private class dictionary, so only one of each
78 // different kind of Type exists. Types are never modified after creation, so
79 // all their interesting fields are constant.
80 class Type {
81 friend class VMStructs;
82
83 public:
84 enum TYPES {
85 Bad=0, // Type check
86 Control, // Control of code (not in lattice)
87 Top, // Top of the lattice
88 Int, // Integer range (lo-hi)
89 Long, // Long integer range (lo-hi)
90 Half, // Placeholder half of doubleword
91 NarrowOop, // Compressed oop pointer
92 NarrowKlass, // Compressed klass pointer
93
94 Tuple, // Method signature or object layout
95 Array, // Array types
96
97 Interfaces, // Set of implemented interfaces for oop types
98
99 VectorMask, // Vector predicate/mask type
100 VectorA, // (Scalable) Vector types for vector length agnostic
101 VectorS, // 32bit Vector types
102 VectorD, // 64bit Vector types
103 VectorX, // 128bit Vector types
104 VectorY, // 256bit Vector types
105 VectorZ, // 512bit Vector types
106
107 AnyPtr, // Any old raw, klass, inst, or array pointer
108 RawPtr, // Raw (non-oop) pointers
109 OopPtr, // Any and all Java heap entities
110 InstPtr, // Instance pointers (non-array objects)
111 AryPtr, // Array pointers
112 // (Ptr order matters: See is_ptr, isa_ptr, is_oopptr, isa_oopptr.)
113
114 MetadataPtr, // Generic metadata
115 KlassPtr, // Klass pointers
116 InstKlassPtr,
117 AryKlassPtr,
118
119 Function, // Function signature
120 Abio, // Abstract I/O
121 Return_Address, // Subroutine return address
122 Memory, // Abstract store
123 FloatTop, // No float value
124 FloatCon, // Floating point constant
125 FloatBot, // Any float value
126 DoubleTop, // No double value
127 DoubleCon, // Double precision constant
128 DoubleBot, // Any double value
129 Bottom, // Bottom of lattice
130 lastype // Bogus ending type (not in lattice)
131 };
132
133 // Signal values for offsets from a base pointer
134 enum OFFSET_SIGNALS {
135 OffsetTop = -2000000000, // undefined offset
136 OffsetBot = -2000000001 // any possible offset
137 };
138
139 // Min and max WIDEN values.
140 enum WIDEN {
141 WidenMin = 0,
142 WidenMax = 3
143 };
144
145 private:
146 typedef struct {
147 TYPES dual_type;
148 BasicType basic_type;
149 const char* msg;
150 bool isa_oop;
151 uint ideal_reg;
152 relocInfo::relocType reloc;
153 } TypeInfo;
154
155 // Dictionary of types shared among compilations.
156 static Dict* _shared_type_dict;
157 static const TypeInfo _type_info[];
158
159 static int uhash( const Type *const t );
160 // Structural equality check. Assumes that cmp() has already compared
161 // the _base types and thus knows it can cast 't' appropriately.
162 virtual bool eq( const Type *t ) const;
163
164 // Top-level hash-table of types
165 static Dict *type_dict() {
166 return Compile::current()->type_dict();
167 }
168
169 // DUAL operation: reflect around lattice centerline. Used instead of
170 // join to ensure my lattice is symmetric up and down. Dual is computed
171 // lazily, on demand, and cached in _dual.
172 const Type *_dual; // Cached dual value
173
174
175 const Type *meet_helper(const Type *t, bool include_speculative) const;
176 void check_symmetrical(const Type* t, const Type* mt, const VerifyMeet& verify) const NOT_DEBUG_RETURN;
177
178 protected:
179 // Each class of type is also identified by its base.
180 const TYPES _base; // Enum of Types type
181
182 Type( TYPES t ) : _dual(nullptr), _base(t) {} // Simple types
183 // ~Type(); // Use fast deallocation
184 const Type *hashcons(); // Hash-cons the type
185 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
186 const Type *join_helper(const Type *t, bool include_speculative) const {
187 assert_type_verify_empty();
188 return dual()->meet_helper(t->dual(), include_speculative)->dual();
189 }
190
191 void assert_type_verify_empty() const NOT_DEBUG_RETURN;
192
193 public:
194
195 inline void* operator new( size_t x ) throw() {
196 Compile* compile = Compile::current();
197 compile->set_type_last_size(x);
198 return compile->type_arena()->AmallocWords(x);
199 }
200 inline void operator delete( void* ptr ) {
201 Compile* compile = Compile::current();
202 compile->type_arena()->Afree(ptr,compile->type_last_size());
203 }
204
205 // Initialize the type system for a particular compilation.
206 static void Initialize(Compile* compile);
207
208 // Initialize the types shared by all compilations.
209 static void Initialize_shared(Compile* compile);
210
211 TYPES base() const {
212 assert(_base > Bad && _base < lastype, "sanity");
213 return _base;
214 }
215
216 // Create a new hash-consd type
217 static const Type *make(enum TYPES);
218 // Test for equivalence of types
219 static int cmp( const Type *const t1, const Type *const t2 );
220 // Test for higher or equal in lattice
221 // Variant that drops the speculative part of the types
222 bool higher_equal(const Type *t) const {
223 return !cmp(meet(t),t->remove_speculative());
224 }
225 // Variant that keeps the speculative part of the types
226 bool higher_equal_speculative(const Type *t) const {
227 return !cmp(meet_speculative(t),t);
228 }
229
230 // MEET operation; lower in lattice.
231 // Variant that drops the speculative part of the types
232 const Type *meet(const Type *t) const {
233 return meet_helper(t, false);
234 }
235 // Variant that keeps the speculative part of the types
236 const Type *meet_speculative(const Type *t) const {
237 return meet_helper(t, true)->cleanup_speculative();
238 }
239 // WIDEN: 'widens' for Ints and other range types
240 virtual const Type *widen( const Type *old, const Type* limit ) const { return this; }
241 // NARROW: complement for widen, used by pessimistic phases
242 virtual const Type *narrow( const Type *old ) const { return this; }
243
244 // DUAL operation: reflect around lattice centerline. Used instead of
245 // join to ensure my lattice is symmetric up and down.
246 const Type *dual() const { return _dual; }
247
248 // Compute meet dependent on base type
249 virtual const Type *xmeet( const Type *t ) const;
250 virtual const Type *xdual() const; // Compute dual right now.
251
252 // JOIN operation; higher in lattice. Done by finding the dual of the
253 // meet of the dual of the 2 inputs.
254 // Variant that drops the speculative part of the types
255 const Type *join(const Type *t) const {
256 return join_helper(t, false);
257 }
258 // Variant that keeps the speculative part of the types
259 const Type *join_speculative(const Type *t) const {
260 return join_helper(t, true)->cleanup_speculative();
261 }
262
263 // Modified version of JOIN adapted to the needs Node::Value.
264 // Normalizes all empty values to TOP. Does not kill _widen bits.
265 // Variant that drops the speculative part of the types
266 const Type *filter(const Type *kills) const {
267 return filter_helper(kills, false);
268 }
269 // Variant that keeps the speculative part of the types
270 const Type *filter_speculative(const Type *kills) const {
271 return filter_helper(kills, true)->cleanup_speculative();
272 }
273
274 // Returns true if this pointer points at memory which contains a
275 // compressed oop references.
276 bool is_ptr_to_narrowoop() const;
277 bool is_ptr_to_narrowklass() const;
278
279 // Convenience access
280 float getf() const;
281 double getd() const;
282
283 const TypeInt *is_int() const;
284 const TypeInt *isa_int() const; // Returns null if not an Int
285 const TypeInteger* is_integer(BasicType bt) const;
286 const TypeInteger* isa_integer(BasicType bt) const;
287 const TypeLong *is_long() const;
288 const TypeLong *isa_long() const; // Returns null if not a Long
289 const TypeD *isa_double() const; // Returns null if not a Double{Top,Con,Bot}
290 const TypeD *is_double_constant() const; // Asserts it is a DoubleCon
291 const TypeD *isa_double_constant() const; // Returns null if not a DoubleCon
292 const TypeF *isa_float() const; // Returns null if not a Float{Top,Con,Bot}
293 const TypeF *is_float_constant() const; // Asserts it is a FloatCon
294 const TypeF *isa_float_constant() const; // Returns null if not a FloatCon
295 const TypeTuple *is_tuple() const; // Collection of fields, NOT a pointer
296 const TypeAry *is_ary() const; // Array, NOT array pointer
297 const TypeAry *isa_ary() const; // Returns null of not ary
298 const TypeVect *is_vect() const; // Vector
299 const TypeVect *isa_vect() const; // Returns null if not a Vector
300 const TypeVectMask *is_vectmask() const; // Predicate/Mask Vector
301 const TypeVectMask *isa_vectmask() const; // Returns null if not a Vector Predicate/Mask
302 const TypePtr *is_ptr() const; // Asserts it is a ptr type
303 const TypePtr *isa_ptr() const; // Returns null if not ptr type
304 const TypeRawPtr *isa_rawptr() const; // NOT Java oop
305 const TypeRawPtr *is_rawptr() const; // Asserts is rawptr
306 const TypeNarrowOop *is_narrowoop() const; // Java-style GC'd pointer
307 const TypeNarrowOop *isa_narrowoop() const; // Returns null if not oop ptr type
308 const TypeNarrowKlass *is_narrowklass() const; // compressed klass pointer
309 const TypeNarrowKlass *isa_narrowklass() const;// Returns null if not oop ptr type
310 const TypeOopPtr *isa_oopptr() const; // Returns null if not oop ptr type
311 const TypeOopPtr *is_oopptr() const; // Java-style GC'd pointer
312 const TypeInstPtr *isa_instptr() const; // Returns null if not InstPtr
313 const TypeInstPtr *is_instptr() const; // Instance
314 const TypeAryPtr *isa_aryptr() const; // Returns null if not AryPtr
315 const TypeAryPtr *is_aryptr() const; // Array oop
316
317 const TypeMetadataPtr *isa_metadataptr() const; // Returns null if not oop ptr type
318 const TypeMetadataPtr *is_metadataptr() const; // Java-style GC'd pointer
319 const TypeKlassPtr *isa_klassptr() const; // Returns null if not KlassPtr
320 const TypeKlassPtr *is_klassptr() const; // assert if not KlassPtr
321 const TypeInstKlassPtr *isa_instklassptr() const; // Returns null if not IntKlassPtr
322 const TypeInstKlassPtr *is_instklassptr() const; // assert if not IntKlassPtr
323 const TypeAryKlassPtr *isa_aryklassptr() const; // Returns null if not AryKlassPtr
324 const TypeAryKlassPtr *is_aryklassptr() const; // assert if not AryKlassPtr
325
326 virtual bool is_finite() const; // Has a finite value
327 virtual bool is_nan() const; // Is not a number (NaN)
328
329 // Returns this ptr type or the equivalent ptr type for this compressed pointer.
330 const TypePtr* make_ptr() const;
331
332 // Returns this oopptr type or the equivalent oopptr type for this compressed pointer.
333 // Asserts if the underlying type is not an oopptr or narrowoop.
334 const TypeOopPtr* make_oopptr() const;
335
336 // Returns this compressed pointer or the equivalent compressed version
337 // of this pointer type.
338 const TypeNarrowOop* make_narrowoop() const;
339
340 // Returns this compressed klass pointer or the equivalent
341 // compressed version of this pointer type.
342 const TypeNarrowKlass* make_narrowklass() const;
343
344 // Special test for register pressure heuristic
345 bool is_floatingpoint() const; // True if Float or Double base type
346
347 // Do you have memory, directly or through a tuple?
348 bool has_memory( ) const;
349
350 // TRUE if type is a singleton
351 virtual bool singleton(void) const;
352
353 // TRUE if type is above the lattice centerline, and is therefore vacuous
354 virtual bool empty(void) const;
355
356 // Return a hash for this type. The hash function is public so ConNode
357 // (constants) can hash on their constant, which is represented by a Type.
358 virtual uint hash() const;
359
360 // Map ideal registers (machine types) to ideal types
361 static const Type *mreg2type[];
362
363 // Printing, statistics
364 #ifndef PRODUCT
365 void dump_on(outputStream *st) const;
366 void dump() const {
367 dump_on(tty);
368 }
369 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
370 static void dump_stats();
371 // Groups of types, for debugging and visualization only.
372 enum class Category {
373 Data,
374 Memory,
375 Mixed, // Tuples with types of different categories.
376 Control,
377 Other, // {Type::Top, Type::Abio, Type::Bottom}.
378 Undef // {Type::Bad, Type::lastype}, for completeness.
379 };
380 // Return the category of this type.
381 Category category() const;
382 // Check recursively in tuples.
383 bool has_category(Category cat) const;
384
385 static const char* str(const Type* t);
386 #endif // !PRODUCT
387 void typerr(const Type *t) const; // Mixing types error
388
389 // Create basic type
390 static const Type* get_const_basic_type(BasicType type) {
391 assert((uint)type <= T_CONFLICT && _const_basic_type[type] != nullptr, "bad type");
392 return _const_basic_type[type];
393 }
394
395 // For two instance arrays of same dimension, return the base element types.
396 // Otherwise or if the arrays have different dimensions, return null.
397 static void get_arrays_base_elements(const Type *a1, const Type *a2,
398 const TypeInstPtr **e1, const TypeInstPtr **e2);
399
400 // Mapping to the array element's basic type.
401 BasicType array_element_basic_type() const;
402
403 enum InterfaceHandling {
404 trust_interfaces,
405 ignore_interfaces
406 };
407 // Create standard type for a ciType:
408 static const Type* get_const_type(ciType* type, InterfaceHandling interface_handling = ignore_interfaces);
409
410 // Create standard zero value:
411 static const Type* get_zero_type(BasicType type) {
412 assert((uint)type <= T_CONFLICT && _zero_type[type] != nullptr, "bad type");
413 return _zero_type[type];
414 }
415
416 // Report if this is a zero value (not top).
417 bool is_zero_type() const {
418 BasicType type = basic_type();
419 if (type == T_VOID || type >= T_CONFLICT)
420 return false;
421 else
422 return (this == _zero_type[type]);
423 }
424
425 // Convenience common pre-built types.
426 static const Type *ABIO;
427 static const Type *BOTTOM;
428 static const Type *CONTROL;
429 static const Type *DOUBLE;
430 static const Type *FLOAT;
431 static const Type *HALF;
432 static const Type *MEMORY;
433 static const Type *MULTI;
434 static const Type *RETURN_ADDRESS;
435 static const Type *TOP;
436
437 // Mapping from compiler type to VM BasicType
438 BasicType basic_type() const { return _type_info[_base].basic_type; }
439 uint ideal_reg() const { return _type_info[_base].ideal_reg; }
440 const char* msg() const { return _type_info[_base].msg; }
441 bool isa_oop_ptr() const { return _type_info[_base].isa_oop; }
442 relocInfo::relocType reloc() const { return _type_info[_base].reloc; }
443
444 // Mapping from CI type system to compiler type:
445 static const Type* get_typeflow_type(ciType* type);
446
447 static const Type* make_from_constant(ciConstant constant,
448 bool require_constant = false,
449 int stable_dimension = 0,
450 bool is_narrow = false,
451 bool is_autobox_cache = false);
452
453 static const Type* make_constant_from_field(ciInstance* holder,
454 int off,
455 bool is_unsigned_load,
456 BasicType loadbt);
457
458 static const Type* make_constant_from_field(ciField* field,
459 ciInstance* holder,
460 BasicType loadbt,
461 bool is_unsigned_load);
462
463 static const Type* make_constant_from_array_element(ciArray* array,
464 int off,
465 int stable_dimension,
466 BasicType loadbt,
467 bool is_unsigned_load);
468
469 // Speculative type helper methods. See TypePtr.
470 virtual const TypePtr* speculative() const { return nullptr; }
471 virtual ciKlass* speculative_type() const { return nullptr; }
472 virtual ciKlass* speculative_type_not_null() const { return nullptr; }
473 virtual bool speculative_maybe_null() const { return true; }
474 virtual bool speculative_always_null() const { return true; }
475 virtual const Type* remove_speculative() const { return this; }
476 virtual const Type* cleanup_speculative() const { return this; }
477 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const { return exact_kls != nullptr; }
478 virtual bool would_improve_ptr(ProfilePtrKind ptr_kind) const { return ptr_kind == ProfileAlwaysNull || ptr_kind == ProfileNeverNull; }
479 const Type* maybe_remove_speculative(bool include_speculative) const;
480
481 virtual bool maybe_null() const { return true; }
482 virtual bool is_known_instance() const { return false; }
483
484 private:
485 // support arrays
486 static const Type* _zero_type[T_CONFLICT+1];
487 static const Type* _const_basic_type[T_CONFLICT+1];
488 };
489
490 //------------------------------TypeF------------------------------------------
491 // Class of Float-Constant Types.
492 class TypeF : public Type {
493 TypeF( float f ) : Type(FloatCon), _f(f) {};
494 public:
495 virtual bool eq( const Type *t ) const;
496 virtual uint hash() const; // Type specific hashing
497 virtual bool singleton(void) const; // TRUE if type is a singleton
498 virtual bool empty(void) const; // TRUE if type is vacuous
499 public:
500 const float _f; // Float constant
501
502 static const TypeF *make(float f);
503
504 virtual bool is_finite() const; // Has a finite value
505 virtual bool is_nan() const; // Is not a number (NaN)
506
507 virtual const Type *xmeet( const Type *t ) const;
508 virtual const Type *xdual() const; // Compute dual right now.
509 // Convenience common pre-built types.
510 static const TypeF *MAX;
511 static const TypeF *MIN;
512 static const TypeF *ZERO; // positive zero only
513 static const TypeF *ONE;
514 static const TypeF *POS_INF;
515 static const TypeF *NEG_INF;
516 #ifndef PRODUCT
517 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
518 #endif
519 };
520
521 //------------------------------TypeD------------------------------------------
522 // Class of Double-Constant Types.
523 class TypeD : public Type {
524 TypeD( double d ) : Type(DoubleCon), _d(d) {};
525 public:
526 virtual bool eq( const Type *t ) const;
527 virtual uint hash() const; // Type specific hashing
528 virtual bool singleton(void) const; // TRUE if type is a singleton
529 virtual bool empty(void) const; // TRUE if type is vacuous
530 public:
531 const double _d; // Double constant
532
533 static const TypeD *make(double d);
534
535 virtual bool is_finite() const; // Has a finite value
536 virtual bool is_nan() const; // Is not a number (NaN)
537
538 virtual const Type *xmeet( const Type *t ) const;
539 virtual const Type *xdual() const; // Compute dual right now.
540 // Convenience common pre-built types.
541 static const TypeD *MAX;
542 static const TypeD *MIN;
543 static const TypeD *ZERO; // positive zero only
544 static const TypeD *ONE;
545 static const TypeD *POS_INF;
546 static const TypeD *NEG_INF;
547 #ifndef PRODUCT
548 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
549 #endif
550 };
551
552 class TypeInteger : public Type {
553 protected:
554 TypeInteger(TYPES t, int w) : Type(t), _widen(w) {}
555
556 public:
557 const short _widen; // Limit on times we widen this sucker
558
559 virtual jlong hi_as_long() const = 0;
560 virtual jlong lo_as_long() const = 0;
561 jlong get_con_as_long(BasicType bt) const;
562 bool is_con() const { return lo_as_long() == hi_as_long(); }
563 virtual short widen_limit() const { return _widen; }
564
565 static const TypeInteger* make(jlong lo, jlong hi, int w, BasicType bt);
566
567 static const TypeInteger* bottom(BasicType type);
568 static const TypeInteger* zero(BasicType type);
569 static const TypeInteger* one(BasicType type);
570 static const TypeInteger* minus_1(BasicType type);
571 };
572
573
574
575 //------------------------------TypeInt----------------------------------------
576 // Class of integer ranges, the set of integers between a lower bound and an
577 // upper bound, inclusive.
578 class TypeInt : public TypeInteger {
579 TypeInt( jint lo, jint hi, int w );
580 protected:
581 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
582
583 public:
584 typedef jint NativeType;
585 virtual bool eq( const Type *t ) const;
586 virtual uint hash() const; // Type specific hashing
587 virtual bool singleton(void) const; // TRUE if type is a singleton
588 virtual bool empty(void) const; // TRUE if type is vacuous
589 const jint _lo, _hi; // Lower bound, upper bound
590
591 static const TypeInt *make(jint lo);
592 // must always specify w
593 static const TypeInt *make(jint lo, jint hi, int w);
594
595 // Check for single integer
596 bool is_con() const { return _lo==_hi; }
597 bool is_con(jint i) const { return is_con() && _lo == i; }
598 jint get_con() const { assert(is_con(), "" ); return _lo; }
599
600 virtual bool is_finite() const; // Has a finite value
601
602 virtual const Type *xmeet( const Type *t ) const;
603 virtual const Type *xdual() const; // Compute dual right now.
604 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
605 virtual const Type *narrow( const Type *t ) const;
606
607 virtual jlong hi_as_long() const { return _hi; }
608 virtual jlong lo_as_long() const { return _lo; }
609
610 // Do not kill _widen bits.
611 // Convenience common pre-built types.
612 static const TypeInt *MAX;
613 static const TypeInt *MIN;
614 static const TypeInt *MINUS_1;
615 static const TypeInt *ZERO;
616 static const TypeInt *ONE;
617 static const TypeInt *BOOL;
618 static const TypeInt *CC;
619 static const TypeInt *CC_LT; // [-1] == MINUS_1
620 static const TypeInt *CC_GT; // [1] == ONE
621 static const TypeInt *CC_EQ; // [0] == ZERO
622 static const TypeInt *CC_LE; // [-1,0]
623 static const TypeInt *CC_GE; // [0,1] == BOOL (!)
624 static const TypeInt *BYTE;
625 static const TypeInt *UBYTE;
626 static const TypeInt *CHAR;
627 static const TypeInt *SHORT;
628 static const TypeInt *POS;
629 static const TypeInt *POS1;
630 static const TypeInt *INT;
631 static const TypeInt *SYMINT; // symmetric range [-max_jint..max_jint]
632 static const TypeInt *TYPE_DOMAIN; // alias for TypeInt::INT
633
634 static const TypeInt *as_self(const Type *t) { return t->is_int(); }
635 #ifndef PRODUCT
636 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
637 #endif
638 };
639
640
641 //------------------------------TypeLong---------------------------------------
642 // Class of long integer ranges, the set of integers between a lower bound and
643 // an upper bound, inclusive.
644 class TypeLong : public TypeInteger {
645 TypeLong( jlong lo, jlong hi, int w );
646 protected:
647 // Do not kill _widen bits.
648 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
649 public:
650 typedef jlong NativeType;
651 virtual bool eq( const Type *t ) const;
652 virtual uint hash() const; // Type specific hashing
653 virtual bool singleton(void) const; // TRUE if type is a singleton
654 virtual bool empty(void) const; // TRUE if type is vacuous
655 public:
656 const jlong _lo, _hi; // Lower bound, upper bound
657
658 static const TypeLong *make(jlong lo);
659 // must always specify w
660 static const TypeLong *make(jlong lo, jlong hi, int w);
661
662 // Check for single integer
663 bool is_con() const { return _lo==_hi; }
664 bool is_con(jlong i) const { return is_con() && _lo == i; }
665 jlong get_con() const { assert(is_con(), "" ); return _lo; }
666
667 // Check for positive 32-bit value.
668 int is_positive_int() const { return _lo >= 0 && _hi <= (jlong)max_jint; }
669
670 virtual bool is_finite() const; // Has a finite value
671
672 virtual jlong hi_as_long() const { return _hi; }
673 virtual jlong lo_as_long() const { return _lo; }
674
675 virtual const Type *xmeet( const Type *t ) const;
676 virtual const Type *xdual() const; // Compute dual right now.
677 virtual const Type *widen( const Type *t, const Type* limit_type ) const;
678 virtual const Type *narrow( const Type *t ) const;
679 // Convenience common pre-built types.
680 static const TypeLong *MAX;
681 static const TypeLong *MIN;
682 static const TypeLong *MINUS_1;
683 static const TypeLong *ZERO;
684 static const TypeLong *ONE;
685 static const TypeLong *POS;
686 static const TypeLong *LONG;
687 static const TypeLong *INT; // 32-bit subrange [min_jint..max_jint]
688 static const TypeLong *UINT; // 32-bit unsigned [0..max_juint]
689 static const TypeLong *TYPE_DOMAIN; // alias for TypeLong::LONG
690
691 // static convenience methods.
692 static const TypeLong *as_self(const Type *t) { return t->is_long(); }
693
694 #ifndef PRODUCT
695 virtual void dump2( Dict &d, uint, outputStream *st ) const;// Specialized per-Type dumping
696 #endif
697 };
698
699 //------------------------------TypeTuple--------------------------------------
700 // Class of Tuple Types, essentially type collections for function signatures
701 // and class layouts. It happens to also be a fast cache for the HotSpot
702 // signature types.
703 class TypeTuple : public Type {
704 TypeTuple( uint cnt, const Type **fields ) : Type(Tuple), _cnt(cnt), _fields(fields) { }
705
706 const uint _cnt; // Count of fields
707 const Type ** const _fields; // Array of field types
708
709 public:
710 virtual bool eq( const Type *t ) const;
711 virtual uint hash() const; // Type specific hashing
712 virtual bool singleton(void) const; // TRUE if type is a singleton
713 virtual bool empty(void) const; // TRUE if type is vacuous
714
715 // Accessors:
716 uint cnt() const { return _cnt; }
717 const Type* field_at(uint i) const {
718 assert(i < _cnt, "oob");
719 return _fields[i];
720 }
721 void set_field_at(uint i, const Type* t) {
722 assert(i < _cnt, "oob");
723 _fields[i] = t;
724 }
725
726 static const TypeTuple *make( uint cnt, const Type **fields );
727 static const TypeTuple *make_range(ciSignature *sig, InterfaceHandling interface_handling = ignore_interfaces);
728 static const TypeTuple *make_domain(ciInstanceKlass* recv, ciSignature *sig, InterfaceHandling interface_handling);
729
730 // Subroutine call type with space allocated for argument types
731 // Memory for Control, I_O, Memory, FramePtr, and ReturnAdr is allocated implicitly
732 static const Type **fields( uint arg_cnt );
733
734 virtual const Type *xmeet( const Type *t ) const;
735 virtual const Type *xdual() const; // Compute dual right now.
736 // Convenience common pre-built types.
737 static const TypeTuple *IFBOTH;
738 static const TypeTuple *IFFALSE;
739 static const TypeTuple *IFTRUE;
740 static const TypeTuple *IFNEITHER;
741 static const TypeTuple *LOOPBODY;
742 static const TypeTuple *MEMBAR;
743 static const TypeTuple *STORECONDITIONAL;
744 static const TypeTuple *START_I2C;
745 static const TypeTuple *INT_PAIR;
746 static const TypeTuple *LONG_PAIR;
747 static const TypeTuple *INT_CC_PAIR;
748 static const TypeTuple *LONG_CC_PAIR;
749 #ifndef PRODUCT
750 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
751 #endif
752 };
753
754 //------------------------------TypeAry----------------------------------------
755 // Class of Array Types
756 class TypeAry : public Type {
757 TypeAry(const Type* elem, const TypeInt* size, bool stable) : Type(Array),
758 _elem(elem), _size(size), _stable(stable) {}
759 public:
760 virtual bool eq( const Type *t ) const;
761 virtual uint hash() const; // Type specific hashing
762 virtual bool singleton(void) const; // TRUE if type is a singleton
763 virtual bool empty(void) const; // TRUE if type is vacuous
764
765 private:
766 const Type *_elem; // Element type of array
767 const TypeInt *_size; // Elements in array
768 const bool _stable; // Are elements @Stable?
769 friend class TypeAryPtr;
770
771 public:
772 static const TypeAry* make(const Type* elem, const TypeInt* size, bool stable = false);
773
774 virtual const Type *xmeet( const Type *t ) const;
775 virtual const Type *xdual() const; // Compute dual right now.
776 bool ary_must_be_exact() const; // true if arrays of such are never generic
777 virtual const TypeAry* remove_speculative() const;
778 virtual const Type* cleanup_speculative() const;
779 #ifndef PRODUCT
780 virtual void dump2( Dict &d, uint, outputStream *st ) const; // Specialized per-Type dumping
781 #endif
782 };
783
784 //------------------------------TypeVect---------------------------------------
785 // Class of Vector Types
786 class TypeVect : public Type {
787 const Type* _elem; // Vector's element type
788 const uint _length; // Elements in vector (power of 2)
789
790 protected:
791 TypeVect(TYPES t, const Type* elem, uint length) : Type(t),
792 _elem(elem), _length(length) {}
793
794 public:
795 const Type* element_type() const { return _elem; }
796 BasicType element_basic_type() const { return _elem->array_element_basic_type(); }
797 uint length() const { return _length; }
798 uint length_in_bytes() const {
799 return _length * type2aelembytes(element_basic_type());
800 }
801
802 virtual bool eq(const Type *t) const;
803 virtual uint hash() const; // Type specific hashing
804 virtual bool singleton(void) const; // TRUE if type is a singleton
805 virtual bool empty(void) const; // TRUE if type is vacuous
806
807 static const TypeVect *make(const BasicType elem_bt, uint length, bool is_mask = false) {
808 // Use bottom primitive type.
809 return make(get_const_basic_type(elem_bt), length, is_mask);
810 }
811 // Used directly by Replicate nodes to construct singleton vector.
812 static const TypeVect *make(const Type* elem, uint length, bool is_mask = false);
813
814 static const TypeVect *makemask(const BasicType elem_bt, uint length) {
815 // Use bottom primitive type.
816 return makemask(get_const_basic_type(elem_bt), length);
817 }
818 static const TypeVect *makemask(const Type* elem, uint length);
819
820
821 virtual const Type *xmeet( const Type *t) const;
822 virtual const Type *xdual() const; // Compute dual right now.
823
824 static const TypeVect *VECTA;
825 static const TypeVect *VECTS;
826 static const TypeVect *VECTD;
827 static const TypeVect *VECTX;
828 static const TypeVect *VECTY;
829 static const TypeVect *VECTZ;
830 static const TypeVect *VECTMASK;
831
832 #ifndef PRODUCT
833 virtual void dump2(Dict &d, uint, outputStream *st) const; // Specialized per-Type dumping
834 #endif
835 };
836
837 class TypeVectA : public TypeVect {
838 friend class TypeVect;
839 TypeVectA(const Type* elem, uint length) : TypeVect(VectorA, elem, length) {}
840 };
841
842 class TypeVectS : public TypeVect {
843 friend class TypeVect;
844 TypeVectS(const Type* elem, uint length) : TypeVect(VectorS, elem, length) {}
845 };
846
847 class TypeVectD : public TypeVect {
848 friend class TypeVect;
849 TypeVectD(const Type* elem, uint length) : TypeVect(VectorD, elem, length) {}
850 };
851
852 class TypeVectX : public TypeVect {
853 friend class TypeVect;
854 TypeVectX(const Type* elem, uint length) : TypeVect(VectorX, elem, length) {}
855 };
856
857 class TypeVectY : public TypeVect {
858 friend class TypeVect;
859 TypeVectY(const Type* elem, uint length) : TypeVect(VectorY, elem, length) {}
860 };
861
862 class TypeVectZ : public TypeVect {
863 friend class TypeVect;
864 TypeVectZ(const Type* elem, uint length) : TypeVect(VectorZ, elem, length) {}
865 };
866
867 class TypeVectMask : public TypeVect {
868 public:
869 friend class TypeVect;
870 TypeVectMask(const Type* elem, uint length) : TypeVect(VectorMask, elem, length) {}
871 virtual bool eq(const Type *t) const;
872 virtual const Type *xdual() const;
873 static const TypeVectMask* make(const BasicType elem_bt, uint length);
874 static const TypeVectMask* make(const Type* elem, uint length);
875 };
876
877 // Set of implemented interfaces. Referenced from TypeOopPtr and TypeKlassPtr.
878 class TypeInterfaces : public Type {
879 private:
880 GrowableArray<ciInstanceKlass*> _list;
881 uint _hash;
882 ciInstanceKlass* _exact_klass;
883 DEBUG_ONLY(bool _initialized;)
884
885 void initialize();
886
887 void add(ciInstanceKlass* interface);
888 void verify() const NOT_DEBUG_RETURN;
889 void compute_hash();
890 void compute_exact_klass();
891 TypeInterfaces();
892 TypeInterfaces(GrowableArray<ciInstanceKlass*>* interfaces);
893
894 NONCOPYABLE(TypeInterfaces);
895 public:
896 static const TypeInterfaces* make(GrowableArray<ciInstanceKlass*>* interfaces = nullptr);
897 bool eq(const Type* other) const;
898 bool eq(ciInstanceKlass* k) const;
899 uint hash() const;
900 const Type *xdual() const;
901 void dump(outputStream* st) const;
902 const TypeInterfaces* union_with(const TypeInterfaces* other) const;
903 const TypeInterfaces* intersection_with(const TypeInterfaces* other) const;
904 bool contains(const TypeInterfaces* other) const {
905 return intersection_with(other)->eq(other);
906 }
907 bool empty() const { return _list.length() == 0; }
908
909 ciInstanceKlass* exact_klass() const;
910 void verify_is_loaded() const NOT_DEBUG_RETURN;
911
912 static int compare(ciInstanceKlass* const& k1, ciInstanceKlass* const& k2);
913
914 const Type* xmeet(const Type* t) const;
915
916 bool singleton(void) const;
917 };
918
919 //------------------------------TypePtr----------------------------------------
920 // Class of machine Pointer Types: raw data, instances or arrays.
921 // If the _base enum is AnyPtr, then this refers to all of the above.
922 // Otherwise the _base will indicate which subset of pointers is affected,
923 // and the class will be inherited from.
924 class TypePtr : public Type {
925 friend class TypeNarrowPtr;
926 friend class Type;
927 protected:
928 static const TypeInterfaces* interfaces(ciKlass*& k, bool klass, bool interface, bool array, InterfaceHandling interface_handling);
929
930 public:
931 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR };
932 protected:
933 TypePtr(TYPES t, PTR ptr, int offset,
934 const TypePtr* speculative = nullptr,
935 int inline_depth = InlineDepthBottom) :
936 Type(t), _speculative(speculative), _inline_depth(inline_depth), _offset(offset),
937 _ptr(ptr) {}
938 static const PTR ptr_meet[lastPTR][lastPTR];
939 static const PTR ptr_dual[lastPTR];
940 static const char * const ptr_msg[lastPTR];
941
942 enum {
943 InlineDepthBottom = INT_MAX,
944 InlineDepthTop = -InlineDepthBottom
945 };
946
947 // Extra type information profiling gave us. We propagate it the
948 // same way the rest of the type info is propagated. If we want to
949 // use it, then we have to emit a guard: this part of the type is
950 // not something we know but something we speculate about the type.
951 const TypePtr* _speculative;
952 // For speculative types, we record at what inlining depth the
953 // profiling point that provided the data is. We want to favor
954 // profile data coming from outer scopes which are likely better for
955 // the current compilation.
956 int _inline_depth;
957
958 // utility methods to work on the speculative part of the type
959 const TypePtr* dual_speculative() const;
960 const TypePtr* xmeet_speculative(const TypePtr* other) const;
961 bool eq_speculative(const TypePtr* other) const;
962 int hash_speculative() const;
963 const TypePtr* add_offset_speculative(intptr_t offset) const;
964 const TypePtr* with_offset_speculative(intptr_t offset) const;
965 #ifndef PRODUCT
966 void dump_speculative(outputStream *st) const;
967 #endif
968
969 // utility methods to work on the inline depth of the type
970 int dual_inline_depth() const;
971 int meet_inline_depth(int depth) const;
972 #ifndef PRODUCT
973 void dump_inline_depth(outputStream *st) const;
974 #endif
975
976 // TypeInstPtr (TypeAryPtr resp.) and TypeInstKlassPtr (TypeAryKlassPtr resp.) implement very similar meet logic.
977 // The logic for meeting 2 instances (2 arrays resp.) is shared in the 2 utility methods below. However the logic for
978 // the oop and klass versions can be slightly different and extra logic may have to be executed depending on what
979 // exact case the meet falls into. The MeetResult struct is used by the utility methods to communicate what case was
980 // encountered so the right logic specific to klasses or oops can be executed.,
981 enum MeetResult {
982 QUICK,
983 UNLOADED,
984 SUBTYPE,
985 NOT_SUBTYPE,
986 LCA
987 };
988 template<class T> static TypePtr::MeetResult meet_instptr(PTR& ptr, const TypeInterfaces*& interfaces, const T* this_type,
989 const T* other_type, ciKlass*& res_klass, bool& res_xk);
990
991 template<class T> static MeetResult meet_aryptr(PTR& ptr, const Type*& elem, const T* this_ary, const T* other_ary,
992 ciKlass*& res_klass, bool& res_xk);
993
994 template <class T1, class T2> static bool is_java_subtype_of_helper_for_instance(const T1* this_one, const T2* other, bool this_exact, bool other_exact);
995 template <class T1, class T2> static bool is_same_java_type_as_helper_for_instance(const T1* this_one, const T2* other);
996 template <class T1, class T2> static bool maybe_java_subtype_of_helper_for_instance(const T1* this_one, const T2* other, bool this_exact, bool other_exact);
997 template <class T1, class T2> static bool is_java_subtype_of_helper_for_array(const T1* this_one, const T2* other, bool this_exact, bool other_exact);
998 template <class T1, class T2> static bool is_same_java_type_as_helper_for_array(const T1* this_one, const T2* other);
999 template <class T1, class T2> static bool maybe_java_subtype_of_helper_for_array(const T1* this_one, const T2* other, bool this_exact, bool other_exact);
1000 template <class T1, class T2> static bool is_meet_subtype_of_helper_for_instance(const T1* this_one, const T2* other, bool this_xk, bool other_xk);
1001 template <class T1, class T2> static bool is_meet_subtype_of_helper_for_array(const T1* this_one, const T2* other, bool this_xk, bool other_xk);
1002 public:
1003 const int _offset; // Offset into oop, with TOP & BOT
1004 const PTR _ptr; // Pointer equivalence class
1005
1006 int offset() const { return _offset; }
1007 PTR ptr() const { return _ptr; }
1008
1009 static const TypePtr *make(TYPES t, PTR ptr, int offset,
1010 const TypePtr* speculative = nullptr,
1011 int inline_depth = InlineDepthBottom);
1012
1013 // Return a 'ptr' version of this type
1014 virtual const TypePtr* cast_to_ptr_type(PTR ptr) const;
1015
1016 virtual intptr_t get_con() const;
1017
1018 int xadd_offset( intptr_t offset ) const;
1019 virtual const TypePtr* add_offset(intptr_t offset) const;
1020 virtual const TypePtr* with_offset(intptr_t offset) const;
1021 virtual bool eq(const Type *t) const;
1022 virtual uint hash() const; // Type specific hashing
1023
1024 virtual bool singleton(void) const; // TRUE if type is a singleton
1025 virtual bool empty(void) const; // TRUE if type is vacuous
1026 virtual const Type *xmeet( const Type *t ) const;
1027 virtual const Type *xmeet_helper( const Type *t ) const;
1028 int meet_offset( int offset ) const;
1029 int dual_offset( ) const;
1030 virtual const Type *xdual() const; // Compute dual right now.
1031
1032 // meet, dual and join over pointer equivalence sets
1033 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; }
1034 PTR dual_ptr() const { return ptr_dual[ptr()]; }
1035
1036 // This is textually confusing unless one recalls that
1037 // join(t) == dual()->meet(t->dual())->dual().
1038 PTR join_ptr( const PTR in_ptr ) const {
1039 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ];
1040 }
1041
1042 // Speculative type helper methods.
1043 virtual const TypePtr* speculative() const { return _speculative; }
1044 int inline_depth() const { return _inline_depth; }
1045 virtual ciKlass* speculative_type() const;
1046 virtual ciKlass* speculative_type_not_null() const;
1047 virtual bool speculative_maybe_null() const;
1048 virtual bool speculative_always_null() const;
1049 virtual const TypePtr* remove_speculative() const;
1050 virtual const Type* cleanup_speculative() const;
1051 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
1052 virtual bool would_improve_ptr(ProfilePtrKind maybe_null) const;
1053 virtual const TypePtr* with_inline_depth(int depth) const;
1054
1055 virtual bool maybe_null() const { return meet_ptr(Null) == ptr(); }
1056
1057 // Tests for relation to centerline of type lattice:
1058 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); }
1059 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); }
1060 // Convenience common pre-built types.
1061 static const TypePtr *NULL_PTR;
1062 static const TypePtr *NOTNULL;
1063 static const TypePtr *BOTTOM;
1064 #ifndef PRODUCT
1065 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1066 #endif
1067 };
1068
1069 //------------------------------TypeRawPtr-------------------------------------
1070 // Class of raw pointers, pointers to things other than Oops. Examples
1071 // include the stack pointer, top of heap, card-marking area, handles, etc.
1072 class TypeRawPtr : public TypePtr {
1073 protected:
1074 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){}
1075 public:
1076 virtual bool eq( const Type *t ) const;
1077 virtual uint hash() const; // Type specific hashing
1078
1079 const address _bits; // Constant value, if applicable
1080
1081 static const TypeRawPtr *make( PTR ptr );
1082 static const TypeRawPtr *make( address bits );
1083
1084 // Return a 'ptr' version of this type
1085 virtual const TypeRawPtr* cast_to_ptr_type(PTR ptr) const;
1086
1087 virtual intptr_t get_con() const;
1088
1089 virtual const TypePtr* add_offset(intptr_t offset) const;
1090 virtual const TypeRawPtr* with_offset(intptr_t offset) const { ShouldNotReachHere(); return nullptr;}
1091
1092 virtual const Type *xmeet( const Type *t ) const;
1093 virtual const Type *xdual() const; // Compute dual right now.
1094 // Convenience common pre-built types.
1095 static const TypeRawPtr *BOTTOM;
1096 static const TypeRawPtr *NOTNULL;
1097 #ifndef PRODUCT
1098 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1099 #endif
1100 };
1101
1102 //------------------------------TypeOopPtr-------------------------------------
1103 // Some kind of oop (Java pointer), either instance or array.
1104 class TypeOopPtr : public TypePtr {
1105 friend class TypeAry;
1106 friend class TypePtr;
1107 friend class TypeInstPtr;
1108 friend class TypeAryPtr;
1109 protected:
1110 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, bool xk, ciObject* o, int offset, int instance_id,
1111 const TypePtr* speculative, int inline_depth);
1112 public:
1113 virtual bool eq( const Type *t ) const;
1114 virtual uint hash() const; // Type specific hashing
1115 virtual bool singleton(void) const; // TRUE if type is a singleton
1116 enum {
1117 InstanceTop = -1, // undefined instance
1118 InstanceBot = 0 // any possible instance
1119 };
1120 protected:
1121
1122 // Oop is null, unless this is a constant oop.
1123 ciObject* _const_oop; // Constant oop
1124 // If _klass is null, then so is _sig. This is an unloaded klass.
1125 ciKlass* _klass; // Klass object
1126
1127 const TypeInterfaces* _interfaces;
1128
1129 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
1130 bool _klass_is_exact;
1131 bool _is_ptr_to_narrowoop;
1132 bool _is_ptr_to_narrowklass;
1133 bool _is_ptr_to_boxed_value;
1134
1135 // If not InstanceTop or InstanceBot, indicates that this is
1136 // a particular instance of this type which is distinct.
1137 // This is the node index of the allocation node creating this instance.
1138 int _instance_id;
1139
1140 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact, InterfaceHandling interface_handling);
1141
1142 int dual_instance_id() const;
1143 int meet_instance_id(int uid) const;
1144
1145 const TypeInterfaces* meet_interfaces(const TypeOopPtr* other) const;
1146
1147 // Do not allow interface-vs.-noninterface joins to collapse to top.
1148 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1149
1150 virtual ciKlass* exact_klass_helper() const { return nullptr; }
1151 virtual ciKlass* klass() const { return _klass; }
1152
1153 public:
1154
1155 bool is_java_subtype_of(const TypeOopPtr* other) const {
1156 return is_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1157 }
1158
1159 bool is_same_java_type_as(const TypePtr* other) const {
1160 return is_same_java_type_as_helper(other->is_oopptr());
1161 }
1162
1163 virtual bool is_same_java_type_as_helper(const TypeOopPtr* other) const {
1164 ShouldNotReachHere(); return false;
1165 }
1166
1167 bool maybe_java_subtype_of(const TypeOopPtr* other) const {
1168 return maybe_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1169 }
1170 virtual bool is_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1171 virtual bool maybe_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1172
1173
1174 // Creates a type given a klass. Correctly handles multi-dimensional arrays
1175 // Respects UseUniqueSubclasses.
1176 // If the klass is final, the resulting type will be exact.
1177 static const TypeOopPtr* make_from_klass(ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces) {
1178 return make_from_klass_common(klass, true, false, interface_handling);
1179 }
1180 // Same as before, but will produce an exact type, even if
1181 // the klass is not final, as long as it has exactly one implementation.
1182 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass, InterfaceHandling interface_handling= ignore_interfaces) {
1183 return make_from_klass_common(klass, true, true, interface_handling);
1184 }
1185 // Same as before, but does not respects UseUniqueSubclasses.
1186 // Use this only for creating array element types.
1187 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces) {
1188 return make_from_klass_common(klass, false, false, interface_handling);
1189 }
1190 // Creates a singleton type given an object.
1191 // If the object cannot be rendered as a constant,
1192 // may return a non-singleton type.
1193 // If require_constant, produce a null if a singleton is not possible.
1194 static const TypeOopPtr* make_from_constant(ciObject* o,
1195 bool require_constant = false);
1196
1197 // Make a generic (unclassed) pointer to an oop.
1198 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id,
1199 const TypePtr* speculative = nullptr,
1200 int inline_depth = InlineDepthBottom);
1201
1202 ciObject* const_oop() const { return _const_oop; }
1203 // Exact klass, possibly an interface or an array of interface
1204 ciKlass* exact_klass(bool maybe_null = false) const { assert(klass_is_exact(), ""); ciKlass* k = exact_klass_helper(); assert(k != nullptr || maybe_null, ""); return k; }
1205 ciKlass* unloaded_klass() const { assert(!is_loaded(), "only for unloaded types"); return klass(); }
1206
1207 virtual bool is_loaded() const { return klass()->is_loaded(); }
1208 virtual bool klass_is_exact() const { return _klass_is_exact; }
1209
1210 // Returns true if this pointer points at memory which contains a
1211 // compressed oop references.
1212 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
1213 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; }
1214 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; }
1215 bool is_known_instance() const { return _instance_id > 0; }
1216 int instance_id() const { return _instance_id; }
1217 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
1218
1219 virtual intptr_t get_con() const;
1220
1221 virtual const TypeOopPtr* cast_to_ptr_type(PTR ptr) const;
1222
1223 virtual const TypeOopPtr* cast_to_exactness(bool klass_is_exact) const;
1224
1225 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1226
1227 // corresponding pointer to klass, for a given instance
1228 virtual const TypeKlassPtr* as_klass_type(bool try_for_exact = false) const;
1229
1230 virtual const TypeOopPtr* with_offset(intptr_t offset) const;
1231 virtual const TypePtr* add_offset(intptr_t offset) const;
1232
1233 // Speculative type helper methods.
1234 virtual const TypeOopPtr* remove_speculative() const;
1235 virtual const Type* cleanup_speculative() const;
1236 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
1237 virtual const TypePtr* with_inline_depth(int depth) const;
1238
1239 virtual const TypePtr* with_instance_id(int instance_id) const;
1240
1241 virtual const Type *xdual() const; // Compute dual right now.
1242 // the core of the computation of the meet for TypeOopPtr and for its subclasses
1243 virtual const Type *xmeet_helper(const Type *t) const;
1244
1245 // Convenience common pre-built type.
1246 static const TypeOopPtr *BOTTOM;
1247 #ifndef PRODUCT
1248 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1249 #endif
1250 private:
1251 virtual bool is_meet_subtype_of(const TypePtr* other) const {
1252 return is_meet_subtype_of_helper(other->is_oopptr(), klass_is_exact(), other->is_oopptr()->klass_is_exact());
1253 }
1254
1255 virtual bool is_meet_subtype_of_helper(const TypeOopPtr* other, bool this_xk, bool other_xk) const {
1256 ShouldNotReachHere(); return false;
1257 }
1258
1259 virtual const TypeInterfaces* interfaces() const {
1260 return _interfaces;
1261 };
1262
1263 const TypeOopPtr* is_reference_type(const Type* other) const {
1264 return other->isa_oopptr();
1265 }
1266
1267 const TypeAryPtr* is_array_type(const TypeOopPtr* other) const {
1268 return other->isa_aryptr();
1269 }
1270
1271 const TypeInstPtr* is_instance_type(const TypeOopPtr* other) const {
1272 return other->isa_instptr();
1273 }
1274 };
1275
1276 //------------------------------TypeInstPtr------------------------------------
1277 // Class of Java object pointers, pointing either to non-array Java instances
1278 // or to a Klass* (including array klasses).
1279 class TypeInstPtr : public TypeOopPtr {
1280 TypeInstPtr(PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, bool xk, ciObject* o, int off, int instance_id,
1281 const TypePtr* speculative, int inline_depth);
1282 virtual bool eq( const Type *t ) const;
1283 virtual uint hash() const; // Type specific hashing
1284
1285 ciKlass* exact_klass_helper() const;
1286
1287 public:
1288
1289 // Instance klass, ignoring any interface
1290 ciInstanceKlass* instance_klass() const {
1291 assert(!(klass()->is_loaded() && klass()->is_interface()), "");
1292 return klass()->as_instance_klass();
1293 }
1294
1295 bool is_same_java_type_as_helper(const TypeOopPtr* other) const;
1296 bool is_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1297 bool maybe_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1298
1299 // Make a pointer to a constant oop.
1300 static const TypeInstPtr *make(ciObject* o) {
1301 ciKlass* k = o->klass();
1302 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1303 return make(TypePtr::Constant, k, interfaces, true, o, 0, InstanceBot);
1304 }
1305 // Make a pointer to a constant oop with offset.
1306 static const TypeInstPtr *make(ciObject* o, int offset) {
1307 ciKlass* k = o->klass();
1308 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1309 return make(TypePtr::Constant, k, interfaces, true, o, offset, InstanceBot);
1310 }
1311
1312 // Make a pointer to some value of type klass.
1313 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces) {
1314 const TypeInterfaces* interfaces = TypePtr::interfaces(klass, true, true, false, interface_handling);
1315 return make(ptr, klass, interfaces, false, nullptr, 0, InstanceBot);
1316 }
1317
1318 // Make a pointer to some non-polymorphic value of exactly type klass.
1319 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) {
1320 const TypeInterfaces* interfaces = TypePtr::interfaces(klass, true, false, false, ignore_interfaces);
1321 return make(ptr, klass, interfaces, true, nullptr, 0, InstanceBot);
1322 }
1323
1324 // Make a pointer to some value of type klass with offset.
1325 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) {
1326 const TypeInterfaces* interfaces = TypePtr::interfaces(klass, true, false, false, ignore_interfaces);
1327 return make(ptr, klass, interfaces, false, nullptr, offset, InstanceBot);
1328 }
1329
1330 static const TypeInstPtr *make(PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, bool xk, ciObject* o, int offset,
1331 int instance_id = InstanceBot,
1332 const TypePtr* speculative = nullptr,
1333 int inline_depth = InlineDepthBottom);
1334
1335 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id = InstanceBot) {
1336 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1337 return make(ptr, k, interfaces, xk, o, offset, instance_id);
1338 }
1339
1340 /** Create constant type for a constant boxed value */
1341 const Type* get_const_boxed_value() const;
1342
1343 // If this is a java.lang.Class constant, return the type for it or null.
1344 // Pass to Type::get_const_type to turn it to a type, which will usually
1345 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
1346 ciType* java_mirror_type() const;
1347
1348 virtual const TypeInstPtr* cast_to_ptr_type(PTR ptr) const;
1349
1350 virtual const TypeInstPtr* cast_to_exactness(bool klass_is_exact) const;
1351
1352 virtual const TypeInstPtr* cast_to_instance_id(int instance_id) const;
1353
1354 virtual const TypePtr* add_offset(intptr_t offset) const;
1355 virtual const TypeInstPtr* with_offset(intptr_t offset) const;
1356
1357 // Speculative type helper methods.
1358 virtual const TypeInstPtr* remove_speculative() const;
1359 virtual const TypePtr* with_inline_depth(int depth) const;
1360 virtual const TypePtr* with_instance_id(int instance_id) const;
1361
1362 // the core of the computation of the meet of 2 types
1363 virtual const Type *xmeet_helper(const Type *t) const;
1364 virtual const TypeInstPtr *xmeet_unloaded(const TypeInstPtr *tinst, const TypeInterfaces* interfaces) const;
1365 virtual const Type *xdual() const; // Compute dual right now.
1366
1367 const TypeKlassPtr* as_klass_type(bool try_for_exact = false) const;
1368
1369 // Convenience common pre-built types.
1370 static const TypeInstPtr *NOTNULL;
1371 static const TypeInstPtr *BOTTOM;
1372 static const TypeInstPtr *MIRROR;
1373 static const TypeInstPtr *MARK;
1374 static const TypeInstPtr *KLASS;
1375 #ifndef PRODUCT
1376 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1377 #endif
1378
1379 private:
1380 virtual bool is_meet_subtype_of_helper(const TypeOopPtr* other, bool this_xk, bool other_xk) const;
1381
1382 virtual bool is_meet_same_type_as(const TypePtr* other) const {
1383 return _klass->equals(other->is_instptr()->_klass) && _interfaces->eq(other->is_instptr()->_interfaces);
1384 }
1385
1386 };
1387
1388 //------------------------------TypeAryPtr-------------------------------------
1389 // Class of Java array pointers
1390 class TypeAryPtr : public TypeOopPtr {
1391 friend class Type;
1392 friend class TypePtr;
1393
1394 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk,
1395 int offset, int instance_id, bool is_autobox_cache,
1396 const TypePtr* speculative, int inline_depth)
1397 : TypeOopPtr(AryPtr,ptr,k,_array_interfaces,xk,o,offset, instance_id, speculative, inline_depth),
1398 _ary(ary),
1399 _is_autobox_cache(is_autobox_cache)
1400 {
1401 int dummy;
1402 bool top_or_bottom = (base_element_type(dummy) == Type::TOP || base_element_type(dummy) == Type::BOTTOM);
1403
1404 if (UseCompressedOops && (elem()->make_oopptr() != nullptr && !top_or_bottom) &&
1405 _offset != 0 && _offset != arrayOopDesc::length_offset_in_bytes() &&
1406 _offset != arrayOopDesc::klass_offset_in_bytes()) {
1407 _is_ptr_to_narrowoop = true;
1408 }
1409
1410 }
1411 virtual bool eq( const Type *t ) const;
1412 virtual uint hash() const; // Type specific hashing
1413 const TypeAry *_ary; // Array we point into
1414 const bool _is_autobox_cache;
1415
1416 ciKlass* compute_klass(DEBUG_ONLY(bool verify = false)) const;
1417
1418 // A pointer to delay allocation to Type::Initialize_shared()
1419
1420 static const TypeInterfaces* _array_interfaces;
1421 ciKlass* exact_klass_helper() const;
1422 // Only guaranteed non null for array of basic types
1423 ciKlass* klass() const;
1424
1425 public:
1426
1427 bool is_same_java_type_as_helper(const TypeOopPtr* other) const;
1428 bool is_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1429 bool maybe_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1430
1431 // returns base element type, an instance klass (and not interface) for object arrays
1432 const Type* base_element_type(int& dims) const;
1433
1434 // Accessors
1435 bool is_loaded() const { return (_ary->_elem->make_oopptr() ? _ary->_elem->make_oopptr()->is_loaded() : true); }
1436
1437 const TypeAry* ary() const { return _ary; }
1438 const Type* elem() const { return _ary->_elem; }
1439 const TypeInt* size() const { return _ary->_size; }
1440 bool is_stable() const { return _ary->_stable; }
1441
1442 bool is_autobox_cache() const { return _is_autobox_cache; }
1443
1444 static const TypeAryPtr *make(PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1445 int instance_id = InstanceBot,
1446 const TypePtr* speculative = nullptr,
1447 int inline_depth = InlineDepthBottom);
1448 // Constant pointer to array
1449 static const TypeAryPtr *make(PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1450 int instance_id = InstanceBot,
1451 const TypePtr* speculative = nullptr,
1452 int inline_depth = InlineDepthBottom, bool is_autobox_cache = false);
1453
1454 // Return a 'ptr' version of this type
1455 virtual const TypeAryPtr* cast_to_ptr_type(PTR ptr) const;
1456
1457 virtual const TypeAryPtr* cast_to_exactness(bool klass_is_exact) const;
1458
1459 virtual const TypeAryPtr* cast_to_instance_id(int instance_id) const;
1460
1461 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const;
1462 virtual const TypeInt* narrow_size_type(const TypeInt* size) const;
1463
1464 virtual bool empty(void) const; // TRUE if type is vacuous
1465 virtual const TypePtr *add_offset( intptr_t offset ) const;
1466 virtual const TypeAryPtr *with_offset( intptr_t offset ) const;
1467 const TypeAryPtr* with_ary(const TypeAry* ary) const;
1468
1469 // Speculative type helper methods.
1470 virtual const TypeAryPtr* remove_speculative() const;
1471 virtual const TypePtr* with_inline_depth(int depth) const;
1472 virtual const TypePtr* with_instance_id(int instance_id) const;
1473
1474 // the core of the computation of the meet of 2 types
1475 virtual const Type *xmeet_helper(const Type *t) const;
1476 virtual const Type *xdual() const; // Compute dual right now.
1477
1478 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const;
1479 int stable_dimension() const;
1480
1481 const TypeAryPtr* cast_to_autobox_cache() const;
1482
1483 static jint max_array_length(BasicType etype) ;
1484 virtual const TypeKlassPtr* as_klass_type(bool try_for_exact = false) const;
1485
1486 // Convenience common pre-built types.
1487 static const TypeAryPtr *RANGE;
1488 static const TypeAryPtr *OOPS;
1489 static const TypeAryPtr *NARROWOOPS;
1490 static const TypeAryPtr *BYTES;
1491 static const TypeAryPtr *SHORTS;
1492 static const TypeAryPtr *CHARS;
1493 static const TypeAryPtr *INTS;
1494 static const TypeAryPtr *LONGS;
1495 static const TypeAryPtr *FLOATS;
1496 static const TypeAryPtr *DOUBLES;
1497 // selects one of the above:
1498 static const TypeAryPtr *get_array_body_type(BasicType elem) {
1499 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != nullptr, "bad elem type");
1500 return _array_body_type[elem];
1501 }
1502 static const TypeAryPtr *_array_body_type[T_CONFLICT+1];
1503 // sharpen the type of an int which is used as an array size
1504 #ifndef PRODUCT
1505 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1506 #endif
1507 private:
1508 virtual bool is_meet_subtype_of_helper(const TypeOopPtr* other, bool this_xk, bool other_xk) const;
1509 };
1510
1511 //------------------------------TypeMetadataPtr-------------------------------------
1512 // Some kind of metadata, either Method*, MethodData* or CPCacheOop
1513 class TypeMetadataPtr : public TypePtr {
1514 protected:
1515 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset);
1516 // Do not allow interface-vs.-noninterface joins to collapse to top.
1517 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1518 public:
1519 virtual bool eq( const Type *t ) const;
1520 virtual uint hash() const; // Type specific hashing
1521 virtual bool singleton(void) const; // TRUE if type is a singleton
1522
1523 private:
1524 ciMetadata* _metadata;
1525
1526 public:
1527 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset);
1528
1529 static const TypeMetadataPtr* make(ciMethod* m);
1530 static const TypeMetadataPtr* make(ciMethodData* m);
1531
1532 ciMetadata* metadata() const { return _metadata; }
1533
1534 virtual const TypeMetadataPtr* cast_to_ptr_type(PTR ptr) const;
1535
1536 virtual const TypePtr *add_offset( intptr_t offset ) const;
1537
1538 virtual const Type *xmeet( const Type *t ) const;
1539 virtual const Type *xdual() const; // Compute dual right now.
1540
1541 virtual intptr_t get_con() const;
1542
1543 // Convenience common pre-built types.
1544 static const TypeMetadataPtr *BOTTOM;
1545
1546 #ifndef PRODUCT
1547 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1548 #endif
1549 };
1550
1551 //------------------------------TypeKlassPtr-----------------------------------
1552 // Class of Java Klass pointers
1553 class TypeKlassPtr : public TypePtr {
1554 friend class TypeInstKlassPtr;
1555 friend class TypeAryKlassPtr;
1556 friend class TypePtr;
1557 protected:
1558 TypeKlassPtr(TYPES t, PTR ptr, ciKlass* klass, const TypeInterfaces* interfaces, int offset);
1559
1560 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1561
1562 public:
1563 virtual bool eq( const Type *t ) const;
1564 virtual uint hash() const;
1565 virtual bool singleton(void) const; // TRUE if type is a singleton
1566
1567 protected:
1568
1569 ciKlass* _klass;
1570 const TypeInterfaces* _interfaces;
1571 const TypeInterfaces* meet_interfaces(const TypeKlassPtr* other) const;
1572 virtual bool must_be_exact() const { ShouldNotReachHere(); return false; }
1573 virtual ciKlass* exact_klass_helper() const;
1574 virtual ciKlass* klass() const { return _klass; }
1575
1576 public:
1577
1578 bool is_java_subtype_of(const TypeKlassPtr* other) const {
1579 return is_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1580 }
1581 bool is_same_java_type_as(const TypePtr* other) const {
1582 return is_same_java_type_as_helper(other->is_klassptr());
1583 }
1584
1585 bool maybe_java_subtype_of(const TypeKlassPtr* other) const {
1586 return maybe_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1587 }
1588 virtual bool is_same_java_type_as_helper(const TypeKlassPtr* other) const { ShouldNotReachHere(); return false; }
1589 virtual bool is_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1590 virtual bool maybe_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1591
1592 // Exact klass, possibly an interface or an array of interface
1593 ciKlass* exact_klass(bool maybe_null = false) const { assert(klass_is_exact(), ""); ciKlass* k = exact_klass_helper(); assert(k != nullptr || maybe_null, ""); return k; }
1594 virtual bool klass_is_exact() const { return _ptr == Constant; }
1595
1596 static const TypeKlassPtr* make(ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces);
1597 static const TypeKlassPtr *make(PTR ptr, ciKlass* klass, int offset, InterfaceHandling interface_handling = ignore_interfaces);
1598
1599 virtual bool is_loaded() const { return _klass->is_loaded(); }
1600
1601 virtual const TypeKlassPtr* cast_to_ptr_type(PTR ptr) const { ShouldNotReachHere(); return nullptr; }
1602
1603 virtual const TypeKlassPtr *cast_to_exactness(bool klass_is_exact) const { ShouldNotReachHere(); return nullptr; }
1604
1605 // corresponding pointer to instance, for a given class
1606 virtual const TypeOopPtr* as_instance_type(bool klass_change = true) const { ShouldNotReachHere(); return nullptr; }
1607
1608 virtual const TypePtr *add_offset( intptr_t offset ) const { ShouldNotReachHere(); return nullptr; }
1609 virtual const Type *xmeet( const Type *t ) const { ShouldNotReachHere(); return nullptr; }
1610 virtual const Type *xdual() const { ShouldNotReachHere(); return nullptr; }
1611
1612 virtual intptr_t get_con() const;
1613
1614 virtual const TypeKlassPtr* with_offset(intptr_t offset) const { ShouldNotReachHere(); return nullptr; }
1615
1616 virtual const TypeKlassPtr* try_improve() const { return this; }
1617
1618 #ifndef PRODUCT
1619 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1620 #endif
1621 private:
1622 virtual bool is_meet_subtype_of(const TypePtr* other) const {
1623 return is_meet_subtype_of_helper(other->is_klassptr(), klass_is_exact(), other->is_klassptr()->klass_is_exact());
1624 }
1625
1626 virtual bool is_meet_subtype_of_helper(const TypeKlassPtr* other, bool this_xk, bool other_xk) const {
1627 ShouldNotReachHere(); return false;
1628 }
1629
1630 virtual const TypeInterfaces* interfaces() const {
1631 return _interfaces;
1632 };
1633
1634 const TypeKlassPtr* is_reference_type(const Type* other) const {
1635 return other->isa_klassptr();
1636 }
1637
1638 const TypeAryKlassPtr* is_array_type(const TypeKlassPtr* other) const {
1639 return other->isa_aryklassptr();
1640 }
1641
1642 const TypeInstKlassPtr* is_instance_type(const TypeKlassPtr* other) const {
1643 return other->isa_instklassptr();
1644 }
1645 };
1646
1647 // Instance klass pointer, mirrors TypeInstPtr
1648 class TypeInstKlassPtr : public TypeKlassPtr {
1649
1650 TypeInstKlassPtr(PTR ptr, ciKlass* klass, const TypeInterfaces* interfaces, int offset)
1651 : TypeKlassPtr(InstKlassPtr, ptr, klass, interfaces, offset) {
1652 assert(klass->is_instance_klass() && (!klass->is_loaded() || !klass->is_interface()), "");
1653 }
1654
1655 virtual bool must_be_exact() const;
1656
1657 public:
1658 // Instance klass ignoring any interface
1659 ciInstanceKlass* instance_klass() const {
1660 assert(!klass()->is_interface(), "");
1661 return klass()->as_instance_klass();
1662 }
1663
1664 bool is_same_java_type_as_helper(const TypeKlassPtr* other) const;
1665 bool is_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1666 bool maybe_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1667
1668 static const TypeInstKlassPtr *make(ciKlass* k, InterfaceHandling interface_handling) {
1669 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, true, false, interface_handling);
1670 return make(TypePtr::Constant, k, interfaces, 0);
1671 }
1672 static const TypeInstKlassPtr* make(PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, int offset);
1673
1674 static const TypeInstKlassPtr* make(PTR ptr, ciKlass* k, int offset) {
1675 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1676 return make(ptr, k, interfaces, offset);
1677 }
1678
1679 virtual const TypeInstKlassPtr* cast_to_ptr_type(PTR ptr) const;
1680
1681 virtual const TypeKlassPtr *cast_to_exactness(bool klass_is_exact) const;
1682
1683 // corresponding pointer to instance, for a given class
1684 virtual const TypeOopPtr* as_instance_type(bool klass_change = true) const;
1685 virtual uint hash() const;
1686 virtual bool eq(const Type *t) const;
1687
1688 virtual const TypePtr *add_offset( intptr_t offset ) const;
1689 virtual const Type *xmeet( const Type *t ) const;
1690 virtual const Type *xdual() const;
1691 virtual const TypeInstKlassPtr* with_offset(intptr_t offset) const;
1692
1693 virtual const TypeKlassPtr* try_improve() const;
1694
1695 // Convenience common pre-built types.
1696 static const TypeInstKlassPtr* OBJECT; // Not-null object klass or below
1697 static const TypeInstKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same
1698 private:
1699 virtual bool is_meet_subtype_of_helper(const TypeKlassPtr* other, bool this_xk, bool other_xk) const;
1700 };
1701
1702 // Array klass pointer, mirrors TypeAryPtr
1703 class TypeAryKlassPtr : public TypeKlassPtr {
1704 friend class TypeInstKlassPtr;
1705 friend class Type;
1706 friend class TypePtr;
1707
1708 const Type *_elem;
1709
1710 static const TypeInterfaces* _array_interfaces;
1711 TypeAryKlassPtr(PTR ptr, const Type *elem, ciKlass* klass, int offset)
1712 : TypeKlassPtr(AryKlassPtr, ptr, klass, _array_interfaces, offset), _elem(elem) {
1713 assert(klass == nullptr || klass->is_type_array_klass() || !klass->as_obj_array_klass()->base_element_klass()->is_interface(), "");
1714 }
1715
1716 virtual ciKlass* exact_klass_helper() const;
1717 // Only guaranteed non null for array of basic types
1718 virtual ciKlass* klass() const;
1719
1720 virtual bool must_be_exact() const;
1721
1722 public:
1723
1724 // returns base element type, an instance klass (and not interface) for object arrays
1725 const Type* base_element_type(int& dims) const;
1726
1727 static const TypeAryKlassPtr *make(PTR ptr, ciKlass* k, int offset, InterfaceHandling interface_handling);
1728
1729 bool is_same_java_type_as_helper(const TypeKlassPtr* other) const;
1730 bool is_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1731 bool maybe_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1732
1733 bool is_loaded() const { return (_elem->isa_klassptr() ? _elem->is_klassptr()->is_loaded() : true); }
1734
1735 static const TypeAryKlassPtr *make(PTR ptr, const Type *elem, ciKlass* k, int offset);
1736 static const TypeAryKlassPtr* make(ciKlass* klass, InterfaceHandling interface_handling);
1737
1738 const Type *elem() const { return _elem; }
1739
1740 virtual bool eq(const Type *t) const;
1741 virtual uint hash() const; // Type specific hashing
1742
1743 virtual const TypeAryKlassPtr* cast_to_ptr_type(PTR ptr) const;
1744
1745 virtual const TypeKlassPtr *cast_to_exactness(bool klass_is_exact) const;
1746
1747 // corresponding pointer to instance, for a given class
1748 virtual const TypeOopPtr* as_instance_type(bool klass_change = true) const;
1749
1750 virtual const TypePtr *add_offset( intptr_t offset ) const;
1751 virtual const Type *xmeet( const Type *t ) const;
1752 virtual const Type *xdual() const; // Compute dual right now.
1753
1754 virtual const TypeAryKlassPtr* with_offset(intptr_t offset) const;
1755
1756 virtual bool empty(void) const {
1757 return TypeKlassPtr::empty() || _elem->empty();
1758 }
1759
1760 #ifndef PRODUCT
1761 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1762 #endif
1763 private:
1764 virtual bool is_meet_subtype_of_helper(const TypeKlassPtr* other, bool this_xk, bool other_xk) const;
1765 };
1766
1767 class TypeNarrowPtr : public Type {
1768 protected:
1769 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR
1770
1771 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): Type(t),
1772 _ptrtype(ptrtype) {
1773 assert(ptrtype->offset() == 0 ||
1774 ptrtype->offset() == OffsetBot ||
1775 ptrtype->offset() == OffsetTop, "no real offsets");
1776 }
1777
1778 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0;
1779 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0;
1780 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0;
1781 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0;
1782 // Do not allow interface-vs.-noninterface joins to collapse to top.
1783 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1784 public:
1785 virtual bool eq( const Type *t ) const;
1786 virtual uint hash() const; // Type specific hashing
1787 virtual bool singleton(void) const; // TRUE if type is a singleton
1788
1789 virtual const Type *xmeet( const Type *t ) const;
1790 virtual const Type *xdual() const; // Compute dual right now.
1791
1792 virtual intptr_t get_con() const;
1793
1794 virtual bool empty(void) const; // TRUE if type is vacuous
1795
1796 // returns the equivalent ptr type for this compressed pointer
1797 const TypePtr *get_ptrtype() const {
1798 return _ptrtype;
1799 }
1800
1801 bool is_known_instance() const {
1802 return _ptrtype->is_known_instance();
1803 }
1804
1805 #ifndef PRODUCT
1806 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1807 #endif
1808 };
1809
1810 //------------------------------TypeNarrowOop----------------------------------
1811 // A compressed reference to some kind of Oop. This type wraps around
1812 // a preexisting TypeOopPtr and forwards most of it's operations to
1813 // the underlying type. It's only real purpose is to track the
1814 // oopness of the compressed oop value when we expose the conversion
1815 // between the normal and the compressed form.
1816 class TypeNarrowOop : public TypeNarrowPtr {
1817 protected:
1818 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) {
1819 }
1820
1821 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1822 return t->isa_narrowoop();
1823 }
1824
1825 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1826 return t->is_narrowoop();
1827 }
1828
1829 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1830 return new TypeNarrowOop(t);
1831 }
1832
1833 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1834 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons());
1835 }
1836
1837 public:
1838
1839 static const TypeNarrowOop *make( const TypePtr* type);
1840
1841 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) {
1842 return make(TypeOopPtr::make_from_constant(con, require_constant));
1843 }
1844
1845 static const TypeNarrowOop *BOTTOM;
1846 static const TypeNarrowOop *NULL_PTR;
1847
1848 virtual const TypeNarrowOop* remove_speculative() const;
1849 virtual const Type* cleanup_speculative() const;
1850
1851 #ifndef PRODUCT
1852 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1853 #endif
1854 };
1855
1856 //------------------------------TypeNarrowKlass----------------------------------
1857 // A compressed reference to klass pointer. This type wraps around a
1858 // preexisting TypeKlassPtr and forwards most of it's operations to
1859 // the underlying type.
1860 class TypeNarrowKlass : public TypeNarrowPtr {
1861 protected:
1862 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) {
1863 }
1864
1865 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1866 return t->isa_narrowklass();
1867 }
1868
1869 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1870 return t->is_narrowklass();
1871 }
1872
1873 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1874 return new TypeNarrowKlass(t);
1875 }
1876
1877 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1878 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons());
1879 }
1880
1881 public:
1882 static const TypeNarrowKlass *make( const TypePtr* type);
1883
1884 // static const TypeNarrowKlass *BOTTOM;
1885 static const TypeNarrowKlass *NULL_PTR;
1886
1887 #ifndef PRODUCT
1888 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1889 #endif
1890 };
1891
1892 //------------------------------TypeFunc---------------------------------------
1893 // Class of Array Types
1894 class TypeFunc : public Type {
1895 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {}
1896 virtual bool eq( const Type *t ) const;
1897 virtual uint hash() const; // Type specific hashing
1898 virtual bool singleton(void) const; // TRUE if type is a singleton
1899 virtual bool empty(void) const; // TRUE if type is vacuous
1900
1901 const TypeTuple* const _domain; // Domain of inputs
1902 const TypeTuple* const _range; // Range of results
1903
1904 public:
1905 // Constants are shared among ADLC and VM
1906 enum { Control = AdlcVMDeps::Control,
1907 I_O = AdlcVMDeps::I_O,
1908 Memory = AdlcVMDeps::Memory,
1909 FramePtr = AdlcVMDeps::FramePtr,
1910 ReturnAdr = AdlcVMDeps::ReturnAdr,
1911 Parms = AdlcVMDeps::Parms
1912 };
1913
1914
1915 // Accessors:
1916 const TypeTuple* domain() const { return _domain; }
1917 const TypeTuple* range() const { return _range; }
1918
1919 static const TypeFunc *make(ciMethod* method);
1920 static const TypeFunc *make(ciSignature signature, const Type* extra);
1921 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range);
1922
1923 virtual const Type *xmeet( const Type *t ) const;
1924 virtual const Type *xdual() const; // Compute dual right now.
1925
1926 BasicType return_type() const;
1927
1928 #ifndef PRODUCT
1929 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1930 #endif
1931 // Convenience common pre-built types.
1932 };
1933
1934 //------------------------------accessors--------------------------------------
1935 inline bool Type::is_ptr_to_narrowoop() const {
1936 #ifdef _LP64
1937 return (isa_oopptr() != nullptr && is_oopptr()->is_ptr_to_narrowoop_nv());
1938 #else
1939 return false;
1940 #endif
1941 }
1942
1943 inline bool Type::is_ptr_to_narrowklass() const {
1944 #ifdef _LP64
1945 return (isa_oopptr() != nullptr && is_oopptr()->is_ptr_to_narrowklass_nv());
1946 #else
1947 return false;
1948 #endif
1949 }
1950
1951 inline float Type::getf() const {
1952 assert( _base == FloatCon, "Not a FloatCon" );
1953 return ((TypeF*)this)->_f;
1954 }
1955
1956 inline double Type::getd() const {
1957 assert( _base == DoubleCon, "Not a DoubleCon" );
1958 return ((TypeD*)this)->_d;
1959 }
1960
1961 inline const TypeInteger *Type::is_integer(BasicType bt) const {
1962 assert((bt == T_INT && _base == Int) || (bt == T_LONG && _base == Long), "Not an Int");
1963 return (TypeInteger*)this;
1964 }
1965
1966 inline const TypeInteger *Type::isa_integer(BasicType bt) const {
1967 return (((bt == T_INT && _base == Int) || (bt == T_LONG && _base == Long)) ? (TypeInteger*)this : nullptr);
1968 }
1969
1970 inline const TypeInt *Type::is_int() const {
1971 assert( _base == Int, "Not an Int" );
1972 return (TypeInt*)this;
1973 }
1974
1975 inline const TypeInt *Type::isa_int() const {
1976 return ( _base == Int ? (TypeInt*)this : nullptr);
1977 }
1978
1979 inline const TypeLong *Type::is_long() const {
1980 assert( _base == Long, "Not a Long" );
1981 return (TypeLong*)this;
1982 }
1983
1984 inline const TypeLong *Type::isa_long() const {
1985 return ( _base == Long ? (TypeLong*)this : nullptr);
1986 }
1987
1988 inline const TypeF *Type::isa_float() const {
1989 return ((_base == FloatTop ||
1990 _base == FloatCon ||
1991 _base == FloatBot) ? (TypeF*)this : nullptr);
1992 }
1993
1994 inline const TypeF *Type::is_float_constant() const {
1995 assert( _base == FloatCon, "Not a Float" );
1996 return (TypeF*)this;
1997 }
1998
1999 inline const TypeF *Type::isa_float_constant() const {
2000 return ( _base == FloatCon ? (TypeF*)this : nullptr);
2001 }
2002
2003 inline const TypeD *Type::isa_double() const {
2004 return ((_base == DoubleTop ||
2005 _base == DoubleCon ||
2006 _base == DoubleBot) ? (TypeD*)this : nullptr);
2007 }
2008
2009 inline const TypeD *Type::is_double_constant() const {
2010 assert( _base == DoubleCon, "Not a Double" );
2011 return (TypeD*)this;
2012 }
2013
2014 inline const TypeD *Type::isa_double_constant() const {
2015 return ( _base == DoubleCon ? (TypeD*)this : nullptr);
2016 }
2017
2018 inline const TypeTuple *Type::is_tuple() const {
2019 assert( _base == Tuple, "Not a Tuple" );
2020 return (TypeTuple*)this;
2021 }
2022
2023 inline const TypeAry *Type::is_ary() const {
2024 assert( _base == Array , "Not an Array" );
2025 return (TypeAry*)this;
2026 }
2027
2028 inline const TypeAry *Type::isa_ary() const {
2029 return ((_base == Array) ? (TypeAry*)this : nullptr);
2030 }
2031
2032 inline const TypeVectMask *Type::is_vectmask() const {
2033 assert( _base == VectorMask, "Not a Vector Mask" );
2034 return (TypeVectMask*)this;
2035 }
2036
2037 inline const TypeVectMask *Type::isa_vectmask() const {
2038 return (_base == VectorMask) ? (TypeVectMask*)this : nullptr;
2039 }
2040
2041 inline const TypeVect *Type::is_vect() const {
2042 assert( _base >= VectorMask && _base <= VectorZ, "Not a Vector" );
2043 return (TypeVect*)this;
2044 }
2045
2046 inline const TypeVect *Type::isa_vect() const {
2047 return (_base >= VectorMask && _base <= VectorZ) ? (TypeVect*)this : nullptr;
2048 }
2049
2050 inline const TypePtr *Type::is_ptr() const {
2051 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
2052 assert(_base >= AnyPtr && _base <= AryKlassPtr, "Not a pointer");
2053 return (TypePtr*)this;
2054 }
2055
2056 inline const TypePtr *Type::isa_ptr() const {
2057 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
2058 return (_base >= AnyPtr && _base <= AryKlassPtr) ? (TypePtr*)this : nullptr;
2059 }
2060
2061 inline const TypeOopPtr *Type::is_oopptr() const {
2062 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2063 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ;
2064 return (TypeOopPtr*)this;
2065 }
2066
2067 inline const TypeOopPtr *Type::isa_oopptr() const {
2068 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2069 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : nullptr;
2070 }
2071
2072 inline const TypeRawPtr *Type::isa_rawptr() const {
2073 return (_base == RawPtr) ? (TypeRawPtr*)this : nullptr;
2074 }
2075
2076 inline const TypeRawPtr *Type::is_rawptr() const {
2077 assert( _base == RawPtr, "Not a raw pointer" );
2078 return (TypeRawPtr*)this;
2079 }
2080
2081 inline const TypeInstPtr *Type::isa_instptr() const {
2082 return (_base == InstPtr) ? (TypeInstPtr*)this : nullptr;
2083 }
2084
2085 inline const TypeInstPtr *Type::is_instptr() const {
2086 assert( _base == InstPtr, "Not an object pointer" );
2087 return (TypeInstPtr*)this;
2088 }
2089
2090 inline const TypeAryPtr *Type::isa_aryptr() const {
2091 return (_base == AryPtr) ? (TypeAryPtr*)this : nullptr;
2092 }
2093
2094 inline const TypeAryPtr *Type::is_aryptr() const {
2095 assert( _base == AryPtr, "Not an array pointer" );
2096 return (TypeAryPtr*)this;
2097 }
2098
2099 inline const TypeNarrowOop *Type::is_narrowoop() const {
2100 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2101 assert(_base == NarrowOop, "Not a narrow oop" ) ;
2102 return (TypeNarrowOop*)this;
2103 }
2104
2105 inline const TypeNarrowOop *Type::isa_narrowoop() const {
2106 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2107 return (_base == NarrowOop) ? (TypeNarrowOop*)this : nullptr;
2108 }
2109
2110 inline const TypeNarrowKlass *Type::is_narrowklass() const {
2111 assert(_base == NarrowKlass, "Not a narrow oop" ) ;
2112 return (TypeNarrowKlass*)this;
2113 }
2114
2115 inline const TypeNarrowKlass *Type::isa_narrowklass() const {
2116 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : nullptr;
2117 }
2118
2119 inline const TypeMetadataPtr *Type::is_metadataptr() const {
2120 // MetadataPtr is the first and CPCachePtr the last
2121 assert(_base == MetadataPtr, "Not a metadata pointer" ) ;
2122 return (TypeMetadataPtr*)this;
2123 }
2124
2125 inline const TypeMetadataPtr *Type::isa_metadataptr() const {
2126 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : nullptr;
2127 }
2128
2129 inline const TypeKlassPtr *Type::isa_klassptr() const {
2130 return (_base >= KlassPtr && _base <= AryKlassPtr ) ? (TypeKlassPtr*)this : nullptr;
2131 }
2132
2133 inline const TypeKlassPtr *Type::is_klassptr() const {
2134 assert(_base >= KlassPtr && _base <= AryKlassPtr, "Not a klass pointer");
2135 return (TypeKlassPtr*)this;
2136 }
2137
2138 inline const TypeInstKlassPtr *Type::isa_instklassptr() const {
2139 return (_base == InstKlassPtr) ? (TypeInstKlassPtr*)this : nullptr;
2140 }
2141
2142 inline const TypeInstKlassPtr *Type::is_instklassptr() const {
2143 assert(_base == InstKlassPtr, "Not a klass pointer");
2144 return (TypeInstKlassPtr*)this;
2145 }
2146
2147 inline const TypeAryKlassPtr *Type::isa_aryklassptr() const {
2148 return (_base == AryKlassPtr) ? (TypeAryKlassPtr*)this : nullptr;
2149 }
2150
2151 inline const TypeAryKlassPtr *Type::is_aryklassptr() const {
2152 assert(_base == AryKlassPtr, "Not a klass pointer");
2153 return (TypeAryKlassPtr*)this;
2154 }
2155
2156 inline const TypePtr* Type::make_ptr() const {
2157 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() :
2158 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() :
2159 isa_ptr());
2160 }
2161
2162 inline const TypeOopPtr* Type::make_oopptr() const {
2163 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->isa_oopptr() : isa_oopptr();
2164 }
2165
2166 inline const TypeNarrowOop* Type::make_narrowoop() const {
2167 return (_base == NarrowOop) ? is_narrowoop() :
2168 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : nullptr);
2169 }
2170
2171 inline const TypeNarrowKlass* Type::make_narrowklass() const {
2172 return (_base == NarrowKlass) ? is_narrowklass() :
2173 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : nullptr);
2174 }
2175
2176 inline bool Type::is_floatingpoint() const {
2177 if( (_base == FloatCon) || (_base == FloatBot) ||
2178 (_base == DoubleCon) || (_base == DoubleBot) )
2179 return true;
2180 return false;
2181 }
2182
2183
2184 // ===============================================================
2185 // Things that need to be 64-bits in the 64-bit build but
2186 // 32-bits in the 32-bit build. Done this way to get full
2187 // optimization AND strong typing.
2188 #ifdef _LP64
2189
2190 // For type queries and asserts
2191 #define is_intptr_t is_long
2192 #define isa_intptr_t isa_long
2193 #define find_intptr_t_type find_long_type
2194 #define find_intptr_t_con find_long_con
2195 #define TypeX TypeLong
2196 #define Type_X Type::Long
2197 #define TypeX_X TypeLong::LONG
2198 #define TypeX_ZERO TypeLong::ZERO
2199 // For 'ideal_reg' machine registers
2200 #define Op_RegX Op_RegL
2201 // For phase->intcon variants
2202 #define MakeConX longcon
2203 #define ConXNode ConLNode
2204 // For array index arithmetic
2205 #define MulXNode MulLNode
2206 #define AndXNode AndLNode
2207 #define OrXNode OrLNode
2208 #define CmpXNode CmpLNode
2209 #define SubXNode SubLNode
2210 #define LShiftXNode LShiftLNode
2211 // For object size computation:
2212 #define AddXNode AddLNode
2213 #define RShiftXNode RShiftLNode
2214 // For card marks and hashcodes
2215 #define URShiftXNode URShiftLNode
2216 // For shenandoahSupport
2217 #define LoadXNode LoadLNode
2218 #define StoreXNode StoreLNode
2219 // Opcodes
2220 #define Op_LShiftX Op_LShiftL
2221 #define Op_AndX Op_AndL
2222 #define Op_AddX Op_AddL
2223 #define Op_SubX Op_SubL
2224 #define Op_XorX Op_XorL
2225 #define Op_URShiftX Op_URShiftL
2226 #define Op_LoadX Op_LoadL
2227 // conversions
2228 #define ConvI2X(x) ConvI2L(x)
2229 #define ConvL2X(x) (x)
2230 #define ConvX2I(x) ConvL2I(x)
2231 #define ConvX2L(x) (x)
2232 #define ConvX2UL(x) (x)
2233
2234 #else
2235
2236 // For type queries and asserts
2237 #define is_intptr_t is_int
2238 #define isa_intptr_t isa_int
2239 #define find_intptr_t_type find_int_type
2240 #define find_intptr_t_con find_int_con
2241 #define TypeX TypeInt
2242 #define Type_X Type::Int
2243 #define TypeX_X TypeInt::INT
2244 #define TypeX_ZERO TypeInt::ZERO
2245 // For 'ideal_reg' machine registers
2246 #define Op_RegX Op_RegI
2247 // For phase->intcon variants
2248 #define MakeConX intcon
2249 #define ConXNode ConINode
2250 // For array index arithmetic
2251 #define MulXNode MulINode
2252 #define AndXNode AndINode
2253 #define OrXNode OrINode
2254 #define CmpXNode CmpINode
2255 #define SubXNode SubINode
2256 #define LShiftXNode LShiftINode
2257 // For object size computation:
2258 #define AddXNode AddINode
2259 #define RShiftXNode RShiftINode
2260 // For card marks and hashcodes
2261 #define URShiftXNode URShiftINode
2262 // For shenandoahSupport
2263 #define LoadXNode LoadINode
2264 #define StoreXNode StoreINode
2265 // Opcodes
2266 #define Op_LShiftX Op_LShiftI
2267 #define Op_AndX Op_AndI
2268 #define Op_AddX Op_AddI
2269 #define Op_SubX Op_SubI
2270 #define Op_XorX Op_XorI
2271 #define Op_URShiftX Op_URShiftI
2272 #define Op_LoadX Op_LoadI
2273 // conversions
2274 #define ConvI2X(x) (x)
2275 #define ConvL2X(x) ConvL2I(x)
2276 #define ConvX2I(x) (x)
2277 #define ConvX2L(x) ConvI2L(x)
2278 #define ConvX2UL(x) ConvI2UL(x)
2279
2280 #endif
2281
2282 #endif // SHARE_OPTO_TYPE_HPP