1 /*
2 * Copyright (c) 1997, 2024, 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.
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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 equals() 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 bool equals(const Type* t1, const Type* 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 equals(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 equals(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 BasicType _elem_bt; // Vector's element type
788 const uint _length; // Elements in vector (power of 2)
789
790 protected:
791 TypeVect(TYPES t, BasicType elem_bt, uint length) : Type(t),
792 _elem_bt(elem_bt), _length(length) {}
793
794 public:
795 BasicType element_basic_type() const { return _elem_bt; }
796 uint length() const { return _length; }
797 uint length_in_bytes() const {
798 return _length * type2aelembytes(element_basic_type());
799 }
800
801 virtual bool eq(const Type* t) const;
802 virtual uint hash() const; // Type specific hashing
803 virtual bool singleton(void) const; // TRUE if type is a singleton
804 virtual bool empty(void) const; // TRUE if type is vacuous
805
806 static const TypeVect* make(const BasicType elem_bt, uint length, bool is_mask = false);
807 static const TypeVect* makemask(const BasicType elem_bt, uint length);
808
809 virtual const Type* xmeet( const Type *t) const;
810 virtual const Type* xdual() const; // Compute dual right now.
811
812 static const TypeVect* VECTA;
813 static const TypeVect* VECTS;
814 static const TypeVect* VECTD;
815 static const TypeVect* VECTX;
816 static const TypeVect* VECTY;
817 static const TypeVect* VECTZ;
818 static const TypeVect* VECTMASK;
819
820 #ifndef PRODUCT
821 virtual void dump2(Dict& d, uint, outputStream* st) const; // Specialized per-Type dumping
822 #endif
823 };
824
825 class TypeVectA : public TypeVect {
826 friend class TypeVect;
827 TypeVectA(BasicType elem_bt, uint length) : TypeVect(VectorA, elem_bt, length) {}
828 };
829
830 class TypeVectS : public TypeVect {
831 friend class TypeVect;
832 TypeVectS(BasicType elem_bt, uint length) : TypeVect(VectorS, elem_bt, length) {}
833 };
834
835 class TypeVectD : public TypeVect {
836 friend class TypeVect;
837 TypeVectD(BasicType elem_bt, uint length) : TypeVect(VectorD, elem_bt, length) {}
838 };
839
840 class TypeVectX : public TypeVect {
841 friend class TypeVect;
842 TypeVectX(BasicType elem_bt, uint length) : TypeVect(VectorX, elem_bt, length) {}
843 };
844
845 class TypeVectY : public TypeVect {
846 friend class TypeVect;
847 TypeVectY(BasicType elem_bt, uint length) : TypeVect(VectorY, elem_bt, length) {}
848 };
849
850 class TypeVectZ : public TypeVect {
851 friend class TypeVect;
852 TypeVectZ(BasicType elem_bt, uint length) : TypeVect(VectorZ, elem_bt, length) {}
853 };
854
855 class TypeVectMask : public TypeVect {
856 public:
857 friend class TypeVect;
858 TypeVectMask(BasicType elem_bt, uint length) : TypeVect(VectorMask, elem_bt, length) {}
859 static const TypeVectMask* make(const BasicType elem_bt, uint length);
860 };
861
862 // Set of implemented interfaces. Referenced from TypeOopPtr and TypeKlassPtr.
863 class TypeInterfaces : public Type {
864 private:
865 GrowableArrayFromArray<ciInstanceKlass*> _interfaces;
866 uint _hash;
867 ciInstanceKlass* _exact_klass;
868 DEBUG_ONLY(bool _initialized;)
869
870 void initialize();
871
872 void verify() const NOT_DEBUG_RETURN;
873 void compute_hash();
874 void compute_exact_klass();
875
876 TypeInterfaces(ciInstanceKlass** interfaces_base, int nb_interfaces);
877
878 NONCOPYABLE(TypeInterfaces);
879 public:
880 static const TypeInterfaces* make(GrowableArray<ciInstanceKlass*>* interfaces = nullptr);
881 bool eq(const Type* other) const;
882 bool eq(ciInstanceKlass* k) const;
883 uint hash() const;
884 const Type *xdual() const;
885 void dump(outputStream* st) const;
886 const TypeInterfaces* union_with(const TypeInterfaces* other) const;
887 const TypeInterfaces* intersection_with(const TypeInterfaces* other) const;
888 bool contains(const TypeInterfaces* other) const {
889 return intersection_with(other)->eq(other);
890 }
891 bool empty() const { return _interfaces.length() == 0; }
892
893 ciInstanceKlass* exact_klass() const;
894 void verify_is_loaded() const NOT_DEBUG_RETURN;
895
896 static int compare(ciInstanceKlass* const& k1, ciInstanceKlass* const& k2);
897 static int compare(ciInstanceKlass** k1, ciInstanceKlass** k2);
898
899 const Type* xmeet(const Type* t) const;
900
901 bool singleton(void) const;
902 };
903
904 //------------------------------TypePtr----------------------------------------
905 // Class of machine Pointer Types: raw data, instances or arrays.
906 // If the _base enum is AnyPtr, then this refers to all of the above.
907 // Otherwise the _base will indicate which subset of pointers is affected,
908 // and the class will be inherited from.
909 class TypePtr : public Type {
910 friend class TypeNarrowPtr;
911 friend class Type;
912 protected:
913 static const TypeInterfaces* interfaces(ciKlass*& k, bool klass, bool interface, bool array, InterfaceHandling interface_handling);
914
915 public:
916 enum PTR { TopPTR, AnyNull, Constant, Null, NotNull, BotPTR, lastPTR };
917 protected:
918 TypePtr(TYPES t, PTR ptr, int offset,
919 const TypePtr* speculative = nullptr,
920 int inline_depth = InlineDepthBottom) :
921 Type(t), _speculative(speculative), _inline_depth(inline_depth), _offset(offset),
922 _ptr(ptr) {}
923 static const PTR ptr_meet[lastPTR][lastPTR];
924 static const PTR ptr_dual[lastPTR];
925 static const char * const ptr_msg[lastPTR];
926
927 enum {
928 InlineDepthBottom = INT_MAX,
929 InlineDepthTop = -InlineDepthBottom
930 };
931
932 // Extra type information profiling gave us. We propagate it the
933 // same way the rest of the type info is propagated. If we want to
934 // use it, then we have to emit a guard: this part of the type is
935 // not something we know but something we speculate about the type.
936 const TypePtr* _speculative;
937 // For speculative types, we record at what inlining depth the
938 // profiling point that provided the data is. We want to favor
939 // profile data coming from outer scopes which are likely better for
940 // the current compilation.
941 int _inline_depth;
942
943 // utility methods to work on the speculative part of the type
944 const TypePtr* dual_speculative() const;
945 const TypePtr* xmeet_speculative(const TypePtr* other) const;
946 bool eq_speculative(const TypePtr* other) const;
947 int hash_speculative() const;
948 const TypePtr* add_offset_speculative(intptr_t offset) const;
949 const TypePtr* with_offset_speculative(intptr_t offset) const;
950 #ifndef PRODUCT
951 void dump_speculative(outputStream *st) const;
952 #endif
953
954 // utility methods to work on the inline depth of the type
955 int dual_inline_depth() const;
956 int meet_inline_depth(int depth) const;
957 #ifndef PRODUCT
958 void dump_inline_depth(outputStream *st) const;
959 #endif
960
961 // TypeInstPtr (TypeAryPtr resp.) and TypeInstKlassPtr (TypeAryKlassPtr resp.) implement very similar meet logic.
962 // The logic for meeting 2 instances (2 arrays resp.) is shared in the 2 utility methods below. However the logic for
963 // the oop and klass versions can be slightly different and extra logic may have to be executed depending on what
964 // exact case the meet falls into. The MeetResult struct is used by the utility methods to communicate what case was
965 // encountered so the right logic specific to klasses or oops can be executed.,
966 enum MeetResult {
967 QUICK,
968 UNLOADED,
969 SUBTYPE,
970 NOT_SUBTYPE,
971 LCA
972 };
973 template<class T> static TypePtr::MeetResult meet_instptr(PTR& ptr, const TypeInterfaces*& interfaces, const T* this_type,
974 const T* other_type, ciKlass*& res_klass, bool& res_xk);
975
976 template<class T> static MeetResult meet_aryptr(PTR& ptr, const Type*& elem, const T* this_ary, const T* other_ary,
977 ciKlass*& res_klass, bool& res_xk);
978
979 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);
980 template <class T1, class T2> static bool is_same_java_type_as_helper_for_instance(const T1* this_one, const T2* other);
981 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);
982 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);
983 template <class T1, class T2> static bool is_same_java_type_as_helper_for_array(const T1* this_one, const T2* other);
984 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);
985 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);
986 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);
987 public:
988 const int _offset; // Offset into oop, with TOP & BOT
989 const PTR _ptr; // Pointer equivalence class
990
991 int offset() const { return _offset; }
992 PTR ptr() const { return _ptr; }
993
994 static const TypePtr *make(TYPES t, PTR ptr, int offset,
995 const TypePtr* speculative = nullptr,
996 int inline_depth = InlineDepthBottom);
997
998 // Return a 'ptr' version of this type
999 virtual const TypePtr* cast_to_ptr_type(PTR ptr) const;
1000
1001 virtual intptr_t get_con() const;
1002
1003 int xadd_offset( intptr_t offset ) const;
1004 virtual const TypePtr* add_offset(intptr_t offset) const;
1005 virtual const TypePtr* with_offset(intptr_t offset) const;
1006 virtual bool eq(const Type *t) const;
1007 virtual uint hash() const; // Type specific hashing
1008
1009 virtual bool singleton(void) const; // TRUE if type is a singleton
1010 virtual bool empty(void) const; // TRUE if type is vacuous
1011 virtual const Type *xmeet( const Type *t ) const;
1012 virtual const Type *xmeet_helper( const Type *t ) const;
1013 int meet_offset( int offset ) const;
1014 int dual_offset( ) const;
1015 virtual const Type *xdual() const; // Compute dual right now.
1016
1017 // meet, dual and join over pointer equivalence sets
1018 PTR meet_ptr( const PTR in_ptr ) const { return ptr_meet[in_ptr][ptr()]; }
1019 PTR dual_ptr() const { return ptr_dual[ptr()]; }
1020
1021 // This is textually confusing unless one recalls that
1022 // join(t) == dual()->meet(t->dual())->dual().
1023 PTR join_ptr( const PTR in_ptr ) const {
1024 return ptr_dual[ ptr_meet[ ptr_dual[in_ptr] ] [ dual_ptr() ] ];
1025 }
1026
1027 // Speculative type helper methods.
1028 virtual const TypePtr* speculative() const { return _speculative; }
1029 int inline_depth() const { return _inline_depth; }
1030 virtual ciKlass* speculative_type() const;
1031 virtual ciKlass* speculative_type_not_null() const;
1032 virtual bool speculative_maybe_null() const;
1033 virtual bool speculative_always_null() const;
1034 virtual const TypePtr* remove_speculative() const;
1035 virtual const Type* cleanup_speculative() const;
1036 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
1037 virtual bool would_improve_ptr(ProfilePtrKind maybe_null) const;
1038 virtual const TypePtr* with_inline_depth(int depth) const;
1039
1040 virtual bool maybe_null() const { return meet_ptr(Null) == ptr(); }
1041
1042 // Tests for relation to centerline of type lattice:
1043 static bool above_centerline(PTR ptr) { return (ptr <= AnyNull); }
1044 static bool below_centerline(PTR ptr) { return (ptr >= NotNull); }
1045 // Convenience common pre-built types.
1046 static const TypePtr *NULL_PTR;
1047 static const TypePtr *NOTNULL;
1048 static const TypePtr *BOTTOM;
1049 #ifndef PRODUCT
1050 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1051 #endif
1052 };
1053
1054 //------------------------------TypeRawPtr-------------------------------------
1055 // Class of raw pointers, pointers to things other than Oops. Examples
1056 // include the stack pointer, top of heap, card-marking area, handles, etc.
1057 class TypeRawPtr : public TypePtr {
1058 protected:
1059 TypeRawPtr( PTR ptr, address bits ) : TypePtr(RawPtr,ptr,0), _bits(bits){}
1060 public:
1061 virtual bool eq( const Type *t ) const;
1062 virtual uint hash() const; // Type specific hashing
1063
1064 const address _bits; // Constant value, if applicable
1065
1066 static const TypeRawPtr *make( PTR ptr );
1067 static const TypeRawPtr *make( address bits );
1068
1069 // Return a 'ptr' version of this type
1070 virtual const TypeRawPtr* cast_to_ptr_type(PTR ptr) const;
1071
1072 virtual intptr_t get_con() const;
1073
1074 virtual const TypePtr* add_offset(intptr_t offset) const;
1075 virtual const TypeRawPtr* with_offset(intptr_t offset) const { ShouldNotReachHere(); return nullptr;}
1076
1077 virtual const Type *xmeet( const Type *t ) const;
1078 virtual const Type *xdual() const; // Compute dual right now.
1079 // Convenience common pre-built types.
1080 static const TypeRawPtr *BOTTOM;
1081 static const TypeRawPtr *NOTNULL;
1082 #ifndef PRODUCT
1083 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1084 #endif
1085 };
1086
1087 //------------------------------TypeOopPtr-------------------------------------
1088 // Some kind of oop (Java pointer), either instance or array.
1089 class TypeOopPtr : public TypePtr {
1090 friend class TypeAry;
1091 friend class TypePtr;
1092 friend class TypeInstPtr;
1093 friend class TypeAryPtr;
1094 protected:
1095 TypeOopPtr(TYPES t, PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, bool xk, ciObject* o, int offset, int instance_id,
1096 const TypePtr* speculative, int inline_depth);
1097 public:
1098 virtual bool eq( const Type *t ) const;
1099 virtual uint hash() const; // Type specific hashing
1100 virtual bool singleton(void) const; // TRUE if type is a singleton
1101 enum {
1102 InstanceTop = -1, // undefined instance
1103 InstanceBot = 0 // any possible instance
1104 };
1105 protected:
1106
1107 // Oop is null, unless this is a constant oop.
1108 ciObject* _const_oop; // Constant oop
1109 // If _klass is null, then so is _sig. This is an unloaded klass.
1110 ciKlass* _klass; // Klass object
1111
1112 const TypeInterfaces* _interfaces;
1113
1114 // Does the type exclude subclasses of the klass? (Inexact == polymorphic.)
1115 bool _klass_is_exact;
1116 bool _is_ptr_to_narrowoop;
1117 bool _is_ptr_to_narrowklass;
1118 bool _is_ptr_to_boxed_value;
1119
1120 // If not InstanceTop or InstanceBot, indicates that this is
1121 // a particular instance of this type which is distinct.
1122 // This is the node index of the allocation node creating this instance.
1123 int _instance_id;
1124
1125 static const TypeOopPtr* make_from_klass_common(ciKlass* klass, bool klass_change, bool try_for_exact, InterfaceHandling interface_handling);
1126
1127 int dual_instance_id() const;
1128 int meet_instance_id(int uid) const;
1129
1130 const TypeInterfaces* meet_interfaces(const TypeOopPtr* other) const;
1131
1132 // Do not allow interface-vs.-noninterface joins to collapse to top.
1133 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1134
1135 virtual ciKlass* exact_klass_helper() const { return nullptr; }
1136 virtual ciKlass* klass() const { return _klass; }
1137
1138 public:
1139
1140 bool is_java_subtype_of(const TypeOopPtr* other) const {
1141 return is_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1142 }
1143
1144 bool is_same_java_type_as(const TypePtr* other) const {
1145 return is_same_java_type_as_helper(other->is_oopptr());
1146 }
1147
1148 virtual bool is_same_java_type_as_helper(const TypeOopPtr* other) const {
1149 ShouldNotReachHere(); return false;
1150 }
1151
1152 bool maybe_java_subtype_of(const TypeOopPtr* other) const {
1153 return maybe_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1154 }
1155 virtual bool is_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1156 virtual bool maybe_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1157
1158
1159 // Creates a type given a klass. Correctly handles multi-dimensional arrays
1160 // Respects UseUniqueSubclasses.
1161 // If the klass is final, the resulting type will be exact.
1162 static const TypeOopPtr* make_from_klass(ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces) {
1163 return make_from_klass_common(klass, true, false, interface_handling);
1164 }
1165 // Same as before, but will produce an exact type, even if
1166 // the klass is not final, as long as it has exactly one implementation.
1167 static const TypeOopPtr* make_from_klass_unique(ciKlass* klass, InterfaceHandling interface_handling= ignore_interfaces) {
1168 return make_from_klass_common(klass, true, true, interface_handling);
1169 }
1170 // Same as before, but does not respects UseUniqueSubclasses.
1171 // Use this only for creating array element types.
1172 static const TypeOopPtr* make_from_klass_raw(ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces) {
1173 return make_from_klass_common(klass, false, false, interface_handling);
1174 }
1175 // Creates a singleton type given an object.
1176 // If the object cannot be rendered as a constant,
1177 // may return a non-singleton type.
1178 // If require_constant, produce a null if a singleton is not possible.
1179 static const TypeOopPtr* make_from_constant(ciObject* o,
1180 bool require_constant = false);
1181
1182 // Make a generic (unclassed) pointer to an oop.
1183 static const TypeOopPtr* make(PTR ptr, int offset, int instance_id,
1184 const TypePtr* speculative = nullptr,
1185 int inline_depth = InlineDepthBottom);
1186
1187 ciObject* const_oop() const { return _const_oop; }
1188 // Exact klass, possibly an interface or an array of interface
1189 ciKlass* exact_klass(bool maybe_null = false) const { assert(klass_is_exact(), ""); ciKlass* k = exact_klass_helper(); assert(k != nullptr || maybe_null, ""); return k; }
1190 ciKlass* unloaded_klass() const { assert(!is_loaded(), "only for unloaded types"); return klass(); }
1191
1192 virtual bool is_loaded() const { return klass()->is_loaded(); }
1193 virtual bool klass_is_exact() const { return _klass_is_exact; }
1194
1195 // Returns true if this pointer points at memory which contains a
1196 // compressed oop references.
1197 bool is_ptr_to_narrowoop_nv() const { return _is_ptr_to_narrowoop; }
1198 bool is_ptr_to_narrowklass_nv() const { return _is_ptr_to_narrowklass; }
1199 bool is_ptr_to_boxed_value() const { return _is_ptr_to_boxed_value; }
1200 bool is_known_instance() const { return _instance_id > 0; }
1201 int instance_id() const { return _instance_id; }
1202 bool is_known_instance_field() const { return is_known_instance() && _offset >= 0; }
1203
1204 virtual intptr_t get_con() const;
1205
1206 virtual const TypeOopPtr* cast_to_ptr_type(PTR ptr) const;
1207
1208 virtual const TypeOopPtr* cast_to_exactness(bool klass_is_exact) const;
1209
1210 virtual const TypeOopPtr *cast_to_instance_id(int instance_id) const;
1211
1212 // corresponding pointer to klass, for a given instance
1213 virtual const TypeKlassPtr* as_klass_type(bool try_for_exact = false) const;
1214
1215 virtual const TypeOopPtr* with_offset(intptr_t offset) const;
1216 virtual const TypePtr* add_offset(intptr_t offset) const;
1217
1218 // Speculative type helper methods.
1219 virtual const TypeOopPtr* remove_speculative() const;
1220 virtual const Type* cleanup_speculative() const;
1221 virtual bool would_improve_type(ciKlass* exact_kls, int inline_depth) const;
1222 virtual const TypePtr* with_inline_depth(int depth) const;
1223
1224 virtual const TypePtr* with_instance_id(int instance_id) const;
1225
1226 virtual const Type *xdual() const; // Compute dual right now.
1227 // the core of the computation of the meet for TypeOopPtr and for its subclasses
1228 virtual const Type *xmeet_helper(const Type *t) const;
1229
1230 // Convenience common pre-built type.
1231 static const TypeOopPtr *BOTTOM;
1232 #ifndef PRODUCT
1233 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1234 #endif
1235 private:
1236 virtual bool is_meet_subtype_of(const TypePtr* other) const {
1237 return is_meet_subtype_of_helper(other->is_oopptr(), klass_is_exact(), other->is_oopptr()->klass_is_exact());
1238 }
1239
1240 virtual bool is_meet_subtype_of_helper(const TypeOopPtr* other, bool this_xk, bool other_xk) const {
1241 ShouldNotReachHere(); return false;
1242 }
1243
1244 virtual const TypeInterfaces* interfaces() const {
1245 return _interfaces;
1246 };
1247
1248 const TypeOopPtr* is_reference_type(const Type* other) const {
1249 return other->isa_oopptr();
1250 }
1251
1252 const TypeAryPtr* is_array_type(const TypeOopPtr* other) const {
1253 return other->isa_aryptr();
1254 }
1255
1256 const TypeInstPtr* is_instance_type(const TypeOopPtr* other) const {
1257 return other->isa_instptr();
1258 }
1259 };
1260
1261 //------------------------------TypeInstPtr------------------------------------
1262 // Class of Java object pointers, pointing either to non-array Java instances
1263 // or to a Klass* (including array klasses).
1264 class TypeInstPtr : public TypeOopPtr {
1265 TypeInstPtr(PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, bool xk, ciObject* o, int off, int instance_id,
1266 const TypePtr* speculative, int inline_depth);
1267 virtual bool eq( const Type *t ) const;
1268 virtual uint hash() const; // Type specific hashing
1269
1270 ciKlass* exact_klass_helper() const;
1271
1272 public:
1273
1274 // Instance klass, ignoring any interface
1275 ciInstanceKlass* instance_klass() const {
1276 assert(!(klass()->is_loaded() && klass()->is_interface()), "");
1277 return klass()->as_instance_klass();
1278 }
1279
1280 bool is_same_java_type_as_helper(const TypeOopPtr* other) const;
1281 bool is_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1282 bool maybe_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1283
1284 // Make a pointer to a constant oop.
1285 static const TypeInstPtr *make(ciObject* o) {
1286 ciKlass* k = o->klass();
1287 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1288 return make(TypePtr::Constant, k, interfaces, true, o, 0, InstanceBot);
1289 }
1290 // Make a pointer to a constant oop with offset.
1291 static const TypeInstPtr *make(ciObject* o, int offset) {
1292 ciKlass* k = o->klass();
1293 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1294 return make(TypePtr::Constant, k, interfaces, true, o, offset, InstanceBot);
1295 }
1296
1297 // Make a pointer to some value of type klass.
1298 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces) {
1299 const TypeInterfaces* interfaces = TypePtr::interfaces(klass, true, true, false, interface_handling);
1300 return make(ptr, klass, interfaces, false, nullptr, 0, InstanceBot);
1301 }
1302
1303 // Make a pointer to some non-polymorphic value of exactly type klass.
1304 static const TypeInstPtr *make_exact(PTR ptr, ciKlass* klass) {
1305 const TypeInterfaces* interfaces = TypePtr::interfaces(klass, true, false, false, ignore_interfaces);
1306 return make(ptr, klass, interfaces, true, nullptr, 0, InstanceBot);
1307 }
1308
1309 // Make a pointer to some value of type klass with offset.
1310 static const TypeInstPtr *make(PTR ptr, ciKlass* klass, int offset) {
1311 const TypeInterfaces* interfaces = TypePtr::interfaces(klass, true, false, false, ignore_interfaces);
1312 return make(ptr, klass, interfaces, false, nullptr, offset, InstanceBot);
1313 }
1314
1315 static const TypeInstPtr *make(PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, bool xk, ciObject* o, int offset,
1316 int instance_id = InstanceBot,
1317 const TypePtr* speculative = nullptr,
1318 int inline_depth = InlineDepthBottom);
1319
1320 static const TypeInstPtr *make(PTR ptr, ciKlass* k, bool xk, ciObject* o, int offset, int instance_id = InstanceBot) {
1321 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1322 return make(ptr, k, interfaces, xk, o, offset, instance_id);
1323 }
1324
1325 /** Create constant type for a constant boxed value */
1326 const Type* get_const_boxed_value() const;
1327
1328 // If this is a java.lang.Class constant, return the type for it or null.
1329 // Pass to Type::get_const_type to turn it to a type, which will usually
1330 // be a TypeInstPtr, but may also be a TypeInt::INT for int.class, etc.
1331 ciType* java_mirror_type() const;
1332
1333 virtual const TypeInstPtr* cast_to_ptr_type(PTR ptr) const;
1334
1335 virtual const TypeInstPtr* cast_to_exactness(bool klass_is_exact) const;
1336
1337 virtual const TypeInstPtr* cast_to_instance_id(int instance_id) const;
1338
1339 virtual const TypePtr* add_offset(intptr_t offset) const;
1340 virtual const TypeInstPtr* with_offset(intptr_t offset) const;
1341
1342 // Speculative type helper methods.
1343 virtual const TypeInstPtr* remove_speculative() const;
1344 const TypeInstPtr* with_speculative(const TypePtr* speculative) const;
1345 virtual const TypePtr* with_inline_depth(int depth) const;
1346 virtual const TypePtr* with_instance_id(int instance_id) const;
1347
1348 // the core of the computation of the meet of 2 types
1349 virtual const Type *xmeet_helper(const Type *t) const;
1350 virtual const TypeInstPtr *xmeet_unloaded(const TypeInstPtr *tinst, const TypeInterfaces* interfaces) const;
1351 virtual const Type *xdual() const; // Compute dual right now.
1352
1353 const TypeKlassPtr* as_klass_type(bool try_for_exact = false) const;
1354
1355 // Convenience common pre-built types.
1356 static const TypeInstPtr *NOTNULL;
1357 static const TypeInstPtr *BOTTOM;
1358 static const TypeInstPtr *MIRROR;
1359 static const TypeInstPtr *MARK;
1360 static const TypeInstPtr *KLASS;
1361 #ifndef PRODUCT
1362 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1363 #endif
1364
1365 private:
1366 virtual bool is_meet_subtype_of_helper(const TypeOopPtr* other, bool this_xk, bool other_xk) const;
1367
1368 virtual bool is_meet_same_type_as(const TypePtr* other) const {
1369 return _klass->equals(other->is_instptr()->_klass) && _interfaces->eq(other->is_instptr()->_interfaces);
1370 }
1371
1372 };
1373
1374 //------------------------------TypeAryPtr-------------------------------------
1375 // Class of Java array pointers
1376 class TypeAryPtr : public TypeOopPtr {
1377 friend class Type;
1378 friend class TypePtr;
1379
1380 TypeAryPtr( PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk,
1381 int offset, int instance_id, bool is_autobox_cache,
1382 const TypePtr* speculative, int inline_depth)
1383 : TypeOopPtr(AryPtr,ptr,k,_array_interfaces,xk,o,offset, instance_id, speculative, inline_depth),
1384 _ary(ary),
1385 _is_autobox_cache(is_autobox_cache)
1386 {
1387 int dummy;
1388 bool top_or_bottom = (base_element_type(dummy) == Type::TOP || base_element_type(dummy) == Type::BOTTOM);
1389
1390 if (UseCompressedOops && (elem()->make_oopptr() != nullptr && !top_or_bottom) &&
1391 _offset != 0 && _offset != arrayOopDesc::length_offset_in_bytes() &&
1392 _offset != arrayOopDesc::klass_offset_in_bytes()) {
1393 _is_ptr_to_narrowoop = true;
1394 }
1395
1396 }
1397 virtual bool eq( const Type *t ) const;
1398 virtual uint hash() const; // Type specific hashing
1399 const TypeAry *_ary; // Array we point into
1400 const bool _is_autobox_cache;
1401
1402 ciKlass* compute_klass() const;
1403
1404 // A pointer to delay allocation to Type::Initialize_shared()
1405
1406 static const TypeInterfaces* _array_interfaces;
1407 ciKlass* exact_klass_helper() const;
1408 // Only guaranteed non null for array of basic types
1409 ciKlass* klass() const;
1410
1411 public:
1412
1413 bool is_same_java_type_as_helper(const TypeOopPtr* other) const;
1414 bool is_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1415 bool maybe_java_subtype_of_helper(const TypeOopPtr* other, bool this_exact, bool other_exact) const;
1416
1417 // returns base element type, an instance klass (and not interface) for object arrays
1418 const Type* base_element_type(int& dims) const;
1419
1420 // Accessors
1421 bool is_loaded() const { return (_ary->_elem->make_oopptr() ? _ary->_elem->make_oopptr()->is_loaded() : true); }
1422
1423 const TypeAry* ary() const { return _ary; }
1424 const Type* elem() const { return _ary->_elem; }
1425 const TypeInt* size() const { return _ary->_size; }
1426 bool is_stable() const { return _ary->_stable; }
1427
1428 bool is_autobox_cache() const { return _is_autobox_cache; }
1429
1430 static const TypeAryPtr *make(PTR ptr, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1431 int instance_id = InstanceBot,
1432 const TypePtr* speculative = nullptr,
1433 int inline_depth = InlineDepthBottom);
1434 // Constant pointer to array
1435 static const TypeAryPtr *make(PTR ptr, ciObject* o, const TypeAry *ary, ciKlass* k, bool xk, int offset,
1436 int instance_id = InstanceBot,
1437 const TypePtr* speculative = nullptr,
1438 int inline_depth = InlineDepthBottom, bool is_autobox_cache = false);
1439
1440 // Return a 'ptr' version of this type
1441 virtual const TypeAryPtr* cast_to_ptr_type(PTR ptr) const;
1442
1443 virtual const TypeAryPtr* cast_to_exactness(bool klass_is_exact) const;
1444
1445 virtual const TypeAryPtr* cast_to_instance_id(int instance_id) const;
1446
1447 virtual const TypeAryPtr* cast_to_size(const TypeInt* size) const;
1448 virtual const TypeInt* narrow_size_type(const TypeInt* size) const;
1449
1450 virtual bool empty(void) const; // TRUE if type is vacuous
1451 virtual const TypePtr *add_offset( intptr_t offset ) const;
1452 virtual const TypeAryPtr *with_offset( intptr_t offset ) const;
1453 const TypeAryPtr* with_ary(const TypeAry* ary) const;
1454
1455 // Speculative type helper methods.
1456 virtual const TypeAryPtr* remove_speculative() const;
1457 virtual const TypePtr* with_inline_depth(int depth) const;
1458 virtual const TypePtr* with_instance_id(int instance_id) const;
1459
1460 // the core of the computation of the meet of 2 types
1461 virtual const Type *xmeet_helper(const Type *t) const;
1462 virtual const Type *xdual() const; // Compute dual right now.
1463
1464 const TypeAryPtr* cast_to_stable(bool stable, int stable_dimension = 1) const;
1465 int stable_dimension() const;
1466
1467 const TypeAryPtr* cast_to_autobox_cache() const;
1468
1469 static jint max_array_length(BasicType etype) ;
1470 virtual const TypeKlassPtr* as_klass_type(bool try_for_exact = false) const;
1471
1472 // Convenience common pre-built types.
1473 static const TypeAryPtr *RANGE;
1474 static const TypeAryPtr *OOPS;
1475 static const TypeAryPtr *NARROWOOPS;
1476 static const TypeAryPtr *BYTES;
1477 static const TypeAryPtr *SHORTS;
1478 static const TypeAryPtr *CHARS;
1479 static const TypeAryPtr *INTS;
1480 static const TypeAryPtr *LONGS;
1481 static const TypeAryPtr *FLOATS;
1482 static const TypeAryPtr *DOUBLES;
1483 // selects one of the above:
1484 static const TypeAryPtr *get_array_body_type(BasicType elem) {
1485 assert((uint)elem <= T_CONFLICT && _array_body_type[elem] != nullptr, "bad elem type");
1486 return _array_body_type[elem];
1487 }
1488 static const TypeAryPtr *_array_body_type[T_CONFLICT+1];
1489 // sharpen the type of an int which is used as an array size
1490 #ifndef PRODUCT
1491 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1492 #endif
1493 private:
1494 virtual bool is_meet_subtype_of_helper(const TypeOopPtr* other, bool this_xk, bool other_xk) const;
1495 };
1496
1497 //------------------------------TypeMetadataPtr-------------------------------------
1498 // Some kind of metadata, either Method*, MethodData* or CPCacheOop
1499 class TypeMetadataPtr : public TypePtr {
1500 protected:
1501 TypeMetadataPtr(PTR ptr, ciMetadata* metadata, int offset);
1502 // Do not allow interface-vs.-noninterface joins to collapse to top.
1503 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1504 public:
1505 virtual bool eq( const Type *t ) const;
1506 virtual uint hash() const; // Type specific hashing
1507 virtual bool singleton(void) const; // TRUE if type is a singleton
1508
1509 private:
1510 ciMetadata* _metadata;
1511
1512 public:
1513 static const TypeMetadataPtr* make(PTR ptr, ciMetadata* m, int offset);
1514
1515 static const TypeMetadataPtr* make(ciMethod* m);
1516 static const TypeMetadataPtr* make(ciMethodData* m);
1517
1518 ciMetadata* metadata() const { return _metadata; }
1519
1520 virtual const TypeMetadataPtr* cast_to_ptr_type(PTR ptr) const;
1521
1522 virtual const TypePtr *add_offset( intptr_t offset ) const;
1523
1524 virtual const Type *xmeet( const Type *t ) const;
1525 virtual const Type *xdual() const; // Compute dual right now.
1526
1527 virtual intptr_t get_con() const;
1528
1529 // Convenience common pre-built types.
1530 static const TypeMetadataPtr *BOTTOM;
1531
1532 #ifndef PRODUCT
1533 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1534 #endif
1535 };
1536
1537 //------------------------------TypeKlassPtr-----------------------------------
1538 // Class of Java Klass pointers
1539 class TypeKlassPtr : public TypePtr {
1540 friend class TypeInstKlassPtr;
1541 friend class TypeAryKlassPtr;
1542 friend class TypePtr;
1543 protected:
1544 TypeKlassPtr(TYPES t, PTR ptr, ciKlass* klass, const TypeInterfaces* interfaces, int offset);
1545
1546 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1547
1548 public:
1549 virtual bool eq( const Type *t ) const;
1550 virtual uint hash() const;
1551 virtual bool singleton(void) const; // TRUE if type is a singleton
1552
1553 protected:
1554
1555 ciKlass* _klass;
1556 const TypeInterfaces* _interfaces;
1557 const TypeInterfaces* meet_interfaces(const TypeKlassPtr* other) const;
1558 virtual bool must_be_exact() const { ShouldNotReachHere(); return false; }
1559 virtual ciKlass* exact_klass_helper() const;
1560 virtual ciKlass* klass() const { return _klass; }
1561
1562 public:
1563
1564 bool is_java_subtype_of(const TypeKlassPtr* other) const {
1565 return is_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1566 }
1567 bool is_same_java_type_as(const TypePtr* other) const {
1568 return is_same_java_type_as_helper(other->is_klassptr());
1569 }
1570
1571 bool maybe_java_subtype_of(const TypeKlassPtr* other) const {
1572 return maybe_java_subtype_of_helper(other, klass_is_exact(), other->klass_is_exact());
1573 }
1574 virtual bool is_same_java_type_as_helper(const TypeKlassPtr* other) const { ShouldNotReachHere(); return false; }
1575 virtual bool is_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1576 virtual bool maybe_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const { ShouldNotReachHere(); return false; }
1577
1578 // Exact klass, possibly an interface or an array of interface
1579 ciKlass* exact_klass(bool maybe_null = false) const { assert(klass_is_exact(), ""); ciKlass* k = exact_klass_helper(); assert(k != nullptr || maybe_null, ""); return k; }
1580 virtual bool klass_is_exact() const { return _ptr == Constant; }
1581
1582 static const TypeKlassPtr* make(ciKlass* klass, InterfaceHandling interface_handling = ignore_interfaces);
1583 static const TypeKlassPtr *make(PTR ptr, ciKlass* klass, int offset, InterfaceHandling interface_handling = ignore_interfaces);
1584
1585 virtual bool is_loaded() const { return _klass->is_loaded(); }
1586
1587 virtual const TypeKlassPtr* cast_to_ptr_type(PTR ptr) const { ShouldNotReachHere(); return nullptr; }
1588
1589 virtual const TypeKlassPtr *cast_to_exactness(bool klass_is_exact) const { ShouldNotReachHere(); return nullptr; }
1590
1591 // corresponding pointer to instance, for a given class
1592 virtual const TypeOopPtr* as_instance_type(bool klass_change = true) const { ShouldNotReachHere(); return nullptr; }
1593
1594 virtual const TypePtr *add_offset( intptr_t offset ) const { ShouldNotReachHere(); return nullptr; }
1595 virtual const Type *xmeet( const Type *t ) const { ShouldNotReachHere(); return nullptr; }
1596 virtual const Type *xdual() const { ShouldNotReachHere(); return nullptr; }
1597
1598 virtual intptr_t get_con() const;
1599
1600 virtual const TypeKlassPtr* with_offset(intptr_t offset) const { ShouldNotReachHere(); return nullptr; }
1601
1602 virtual const TypeKlassPtr* try_improve() const { return this; }
1603
1604 #ifndef PRODUCT
1605 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1606 #endif
1607 private:
1608 virtual bool is_meet_subtype_of(const TypePtr* other) const {
1609 return is_meet_subtype_of_helper(other->is_klassptr(), klass_is_exact(), other->is_klassptr()->klass_is_exact());
1610 }
1611
1612 virtual bool is_meet_subtype_of_helper(const TypeKlassPtr* other, bool this_xk, bool other_xk) const {
1613 ShouldNotReachHere(); return false;
1614 }
1615
1616 virtual const TypeInterfaces* interfaces() const {
1617 return _interfaces;
1618 };
1619
1620 const TypeKlassPtr* is_reference_type(const Type* other) const {
1621 return other->isa_klassptr();
1622 }
1623
1624 const TypeAryKlassPtr* is_array_type(const TypeKlassPtr* other) const {
1625 return other->isa_aryklassptr();
1626 }
1627
1628 const TypeInstKlassPtr* is_instance_type(const TypeKlassPtr* other) const {
1629 return other->isa_instklassptr();
1630 }
1631 };
1632
1633 // Instance klass pointer, mirrors TypeInstPtr
1634 class TypeInstKlassPtr : public TypeKlassPtr {
1635
1636 TypeInstKlassPtr(PTR ptr, ciKlass* klass, const TypeInterfaces* interfaces, int offset)
1637 : TypeKlassPtr(InstKlassPtr, ptr, klass, interfaces, offset) {
1638 assert(klass->is_instance_klass() && (!klass->is_loaded() || !klass->is_interface()), "");
1639 }
1640
1641 virtual bool must_be_exact() const;
1642
1643 public:
1644 // Instance klass ignoring any interface
1645 ciInstanceKlass* instance_klass() const {
1646 assert(!klass()->is_interface(), "");
1647 return klass()->as_instance_klass();
1648 }
1649
1650 bool is_same_java_type_as_helper(const TypeKlassPtr* other) const;
1651 bool is_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1652 bool maybe_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1653
1654 static const TypeInstKlassPtr *make(ciKlass* k, InterfaceHandling interface_handling) {
1655 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, true, false, interface_handling);
1656 return make(TypePtr::Constant, k, interfaces, 0);
1657 }
1658 static const TypeInstKlassPtr* make(PTR ptr, ciKlass* k, const TypeInterfaces* interfaces, int offset);
1659
1660 static const TypeInstKlassPtr* make(PTR ptr, ciKlass* k, int offset) {
1661 const TypeInterfaces* interfaces = TypePtr::interfaces(k, true, false, false, ignore_interfaces);
1662 return make(ptr, k, interfaces, offset);
1663 }
1664
1665 virtual const TypeInstKlassPtr* cast_to_ptr_type(PTR ptr) const;
1666
1667 virtual const TypeKlassPtr *cast_to_exactness(bool klass_is_exact) const;
1668
1669 // corresponding pointer to instance, for a given class
1670 virtual const TypeOopPtr* as_instance_type(bool klass_change = true) const;
1671 virtual uint hash() const;
1672 virtual bool eq(const Type *t) const;
1673
1674 virtual const TypePtr *add_offset( intptr_t offset ) const;
1675 virtual const Type *xmeet( const Type *t ) const;
1676 virtual const Type *xdual() const;
1677 virtual const TypeInstKlassPtr* with_offset(intptr_t offset) const;
1678
1679 virtual const TypeKlassPtr* try_improve() const;
1680
1681 // Convenience common pre-built types.
1682 static const TypeInstKlassPtr* OBJECT; // Not-null object klass or below
1683 static const TypeInstKlassPtr* OBJECT_OR_NULL; // Maybe-null version of same
1684 private:
1685 virtual bool is_meet_subtype_of_helper(const TypeKlassPtr* other, bool this_xk, bool other_xk) const;
1686 };
1687
1688 // Array klass pointer, mirrors TypeAryPtr
1689 class TypeAryKlassPtr : public TypeKlassPtr {
1690 friend class TypeInstKlassPtr;
1691 friend class Type;
1692 friend class TypePtr;
1693
1694 const Type *_elem;
1695
1696 static const TypeInterfaces* _array_interfaces;
1697 TypeAryKlassPtr(PTR ptr, const Type *elem, ciKlass* klass, int offset)
1698 : TypeKlassPtr(AryKlassPtr, ptr, klass, _array_interfaces, offset), _elem(elem) {
1699 assert(klass == nullptr || klass->is_type_array_klass() || !klass->as_obj_array_klass()->base_element_klass()->is_interface(), "");
1700 }
1701
1702 virtual ciKlass* exact_klass_helper() const;
1703 // Only guaranteed non null for array of basic types
1704 virtual ciKlass* klass() const;
1705
1706 virtual bool must_be_exact() const;
1707
1708 public:
1709
1710 // returns base element type, an instance klass (and not interface) for object arrays
1711 const Type* base_element_type(int& dims) const;
1712
1713 static const TypeAryKlassPtr *make(PTR ptr, ciKlass* k, int offset, InterfaceHandling interface_handling);
1714
1715 bool is_same_java_type_as_helper(const TypeKlassPtr* other) const;
1716 bool is_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1717 bool maybe_java_subtype_of_helper(const TypeKlassPtr* other, bool this_exact, bool other_exact) const;
1718
1719 bool is_loaded() const { return (_elem->isa_klassptr() ? _elem->is_klassptr()->is_loaded() : true); }
1720
1721 static const TypeAryKlassPtr *make(PTR ptr, const Type *elem, ciKlass* k, int offset);
1722 static const TypeAryKlassPtr* make(ciKlass* klass, InterfaceHandling interface_handling);
1723
1724 const Type *elem() const { return _elem; }
1725
1726 virtual bool eq(const Type *t) const;
1727 virtual uint hash() const; // Type specific hashing
1728
1729 virtual const TypeAryKlassPtr* cast_to_ptr_type(PTR ptr) const;
1730
1731 virtual const TypeKlassPtr *cast_to_exactness(bool klass_is_exact) const;
1732
1733 // corresponding pointer to instance, for a given class
1734 virtual const TypeOopPtr* as_instance_type(bool klass_change = true) const;
1735
1736 virtual const TypePtr *add_offset( intptr_t offset ) const;
1737 virtual const Type *xmeet( const Type *t ) const;
1738 virtual const Type *xdual() const; // Compute dual right now.
1739
1740 virtual const TypeAryKlassPtr* with_offset(intptr_t offset) const;
1741
1742 virtual bool empty(void) const {
1743 return TypeKlassPtr::empty() || _elem->empty();
1744 }
1745
1746 #ifndef PRODUCT
1747 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1748 #endif
1749 private:
1750 virtual bool is_meet_subtype_of_helper(const TypeKlassPtr* other, bool this_xk, bool other_xk) const;
1751 };
1752
1753 class TypeNarrowPtr : public Type {
1754 protected:
1755 const TypePtr* _ptrtype; // Could be TypePtr::NULL_PTR
1756
1757 TypeNarrowPtr(TYPES t, const TypePtr* ptrtype): Type(t),
1758 _ptrtype(ptrtype) {
1759 assert(ptrtype->offset() == 0 ||
1760 ptrtype->offset() == OffsetBot ||
1761 ptrtype->offset() == OffsetTop, "no real offsets");
1762 }
1763
1764 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const = 0;
1765 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const = 0;
1766 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const = 0;
1767 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const = 0;
1768 // Do not allow interface-vs.-noninterface joins to collapse to top.
1769 virtual const Type *filter_helper(const Type *kills, bool include_speculative) const;
1770 public:
1771 virtual bool eq( const Type *t ) const;
1772 virtual uint hash() const; // Type specific hashing
1773 virtual bool singleton(void) const; // TRUE if type is a singleton
1774
1775 virtual const Type *xmeet( const Type *t ) const;
1776 virtual const Type *xdual() const; // Compute dual right now.
1777
1778 virtual intptr_t get_con() const;
1779
1780 virtual bool empty(void) const; // TRUE if type is vacuous
1781
1782 // returns the equivalent ptr type for this compressed pointer
1783 const TypePtr *get_ptrtype() const {
1784 return _ptrtype;
1785 }
1786
1787 bool is_known_instance() const {
1788 return _ptrtype->is_known_instance();
1789 }
1790
1791 #ifndef PRODUCT
1792 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1793 #endif
1794 };
1795
1796 //------------------------------TypeNarrowOop----------------------------------
1797 // A compressed reference to some kind of Oop. This type wraps around
1798 // a preexisting TypeOopPtr and forwards most of it's operations to
1799 // the underlying type. It's only real purpose is to track the
1800 // oopness of the compressed oop value when we expose the conversion
1801 // between the normal and the compressed form.
1802 class TypeNarrowOop : public TypeNarrowPtr {
1803 protected:
1804 TypeNarrowOop( const TypePtr* ptrtype): TypeNarrowPtr(NarrowOop, ptrtype) {
1805 }
1806
1807 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1808 return t->isa_narrowoop();
1809 }
1810
1811 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1812 return t->is_narrowoop();
1813 }
1814
1815 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1816 return new TypeNarrowOop(t);
1817 }
1818
1819 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1820 return (const TypeNarrowPtr*)((new TypeNarrowOop(t))->hashcons());
1821 }
1822
1823 public:
1824
1825 static const TypeNarrowOop *make( const TypePtr* type);
1826
1827 static const TypeNarrowOop* make_from_constant(ciObject* con, bool require_constant = false) {
1828 return make(TypeOopPtr::make_from_constant(con, require_constant));
1829 }
1830
1831 static const TypeNarrowOop *BOTTOM;
1832 static const TypeNarrowOop *NULL_PTR;
1833
1834 virtual const TypeNarrowOop* remove_speculative() const;
1835 virtual const Type* cleanup_speculative() const;
1836
1837 #ifndef PRODUCT
1838 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1839 #endif
1840 };
1841
1842 //------------------------------TypeNarrowKlass----------------------------------
1843 // A compressed reference to klass pointer. This type wraps around a
1844 // preexisting TypeKlassPtr and forwards most of it's operations to
1845 // the underlying type.
1846 class TypeNarrowKlass : public TypeNarrowPtr {
1847 protected:
1848 TypeNarrowKlass( const TypePtr* ptrtype): TypeNarrowPtr(NarrowKlass, ptrtype) {
1849 }
1850
1851 virtual const TypeNarrowPtr *isa_same_narrowptr(const Type *t) const {
1852 return t->isa_narrowklass();
1853 }
1854
1855 virtual const TypeNarrowPtr *is_same_narrowptr(const Type *t) const {
1856 return t->is_narrowklass();
1857 }
1858
1859 virtual const TypeNarrowPtr *make_same_narrowptr(const TypePtr *t) const {
1860 return new TypeNarrowKlass(t);
1861 }
1862
1863 virtual const TypeNarrowPtr *make_hash_same_narrowptr(const TypePtr *t) const {
1864 return (const TypeNarrowPtr*)((new TypeNarrowKlass(t))->hashcons());
1865 }
1866
1867 public:
1868 static const TypeNarrowKlass *make( const TypePtr* type);
1869
1870 // static const TypeNarrowKlass *BOTTOM;
1871 static const TypeNarrowKlass *NULL_PTR;
1872
1873 #ifndef PRODUCT
1874 virtual void dump2( Dict &d, uint depth, outputStream *st ) const;
1875 #endif
1876 };
1877
1878 //------------------------------TypeFunc---------------------------------------
1879 // Class of Array Types
1880 class TypeFunc : public Type {
1881 TypeFunc( const TypeTuple *domain, const TypeTuple *range ) : Type(Function), _domain(domain), _range(range) {}
1882 virtual bool eq( const Type *t ) const;
1883 virtual uint hash() const; // Type specific hashing
1884 virtual bool singleton(void) const; // TRUE if type is a singleton
1885 virtual bool empty(void) const; // TRUE if type is vacuous
1886
1887 const TypeTuple* const _domain; // Domain of inputs
1888 const TypeTuple* const _range; // Range of results
1889
1890 public:
1891 // Constants are shared among ADLC and VM
1892 enum { Control = AdlcVMDeps::Control,
1893 I_O = AdlcVMDeps::I_O,
1894 Memory = AdlcVMDeps::Memory,
1895 FramePtr = AdlcVMDeps::FramePtr,
1896 ReturnAdr = AdlcVMDeps::ReturnAdr,
1897 Parms = AdlcVMDeps::Parms
1898 };
1899
1900
1901 // Accessors:
1902 const TypeTuple* domain() const { return _domain; }
1903 const TypeTuple* range() const { return _range; }
1904
1905 static const TypeFunc *make(ciMethod* method);
1906 static const TypeFunc *make(ciSignature signature, const Type* extra);
1907 static const TypeFunc *make(const TypeTuple* domain, const TypeTuple* range);
1908
1909 virtual const Type *xmeet( const Type *t ) const;
1910 virtual const Type *xdual() const; // Compute dual right now.
1911
1912 BasicType return_type() const;
1913
1914 #ifndef PRODUCT
1915 virtual void dump2( Dict &d, uint depth, outputStream *st ) const; // Specialized per-Type dumping
1916 #endif
1917 // Convenience common pre-built types.
1918 };
1919
1920 //------------------------------accessors--------------------------------------
1921 inline bool Type::is_ptr_to_narrowoop() const {
1922 #ifdef _LP64
1923 return (isa_oopptr() != nullptr && is_oopptr()->is_ptr_to_narrowoop_nv());
1924 #else
1925 return false;
1926 #endif
1927 }
1928
1929 inline bool Type::is_ptr_to_narrowklass() const {
1930 #ifdef _LP64
1931 return (isa_oopptr() != nullptr && is_oopptr()->is_ptr_to_narrowklass_nv());
1932 #else
1933 return false;
1934 #endif
1935 }
1936
1937 inline float Type::getf() const {
1938 assert( _base == FloatCon, "Not a FloatCon" );
1939 return ((TypeF*)this)->_f;
1940 }
1941
1942 inline double Type::getd() const {
1943 assert( _base == DoubleCon, "Not a DoubleCon" );
1944 return ((TypeD*)this)->_d;
1945 }
1946
1947 inline const TypeInteger *Type::is_integer(BasicType bt) const {
1948 assert((bt == T_INT && _base == Int) || (bt == T_LONG && _base == Long), "Not an Int");
1949 return (TypeInteger*)this;
1950 }
1951
1952 inline const TypeInteger *Type::isa_integer(BasicType bt) const {
1953 return (((bt == T_INT && _base == Int) || (bt == T_LONG && _base == Long)) ? (TypeInteger*)this : nullptr);
1954 }
1955
1956 inline const TypeInt *Type::is_int() const {
1957 assert( _base == Int, "Not an Int" );
1958 return (TypeInt*)this;
1959 }
1960
1961 inline const TypeInt *Type::isa_int() const {
1962 return ( _base == Int ? (TypeInt*)this : nullptr);
1963 }
1964
1965 inline const TypeLong *Type::is_long() const {
1966 assert( _base == Long, "Not a Long" );
1967 return (TypeLong*)this;
1968 }
1969
1970 inline const TypeLong *Type::isa_long() const {
1971 return ( _base == Long ? (TypeLong*)this : nullptr);
1972 }
1973
1974 inline const TypeF *Type::isa_float() const {
1975 return ((_base == FloatTop ||
1976 _base == FloatCon ||
1977 _base == FloatBot) ? (TypeF*)this : nullptr);
1978 }
1979
1980 inline const TypeF *Type::is_float_constant() const {
1981 assert( _base == FloatCon, "Not a Float" );
1982 return (TypeF*)this;
1983 }
1984
1985 inline const TypeF *Type::isa_float_constant() const {
1986 return ( _base == FloatCon ? (TypeF*)this : nullptr);
1987 }
1988
1989 inline const TypeD *Type::isa_double() const {
1990 return ((_base == DoubleTop ||
1991 _base == DoubleCon ||
1992 _base == DoubleBot) ? (TypeD*)this : nullptr);
1993 }
1994
1995 inline const TypeD *Type::is_double_constant() const {
1996 assert( _base == DoubleCon, "Not a Double" );
1997 return (TypeD*)this;
1998 }
1999
2000 inline const TypeD *Type::isa_double_constant() const {
2001 return ( _base == DoubleCon ? (TypeD*)this : nullptr);
2002 }
2003
2004 inline const TypeTuple *Type::is_tuple() const {
2005 assert( _base == Tuple, "Not a Tuple" );
2006 return (TypeTuple*)this;
2007 }
2008
2009 inline const TypeAry *Type::is_ary() const {
2010 assert( _base == Array , "Not an Array" );
2011 return (TypeAry*)this;
2012 }
2013
2014 inline const TypeAry *Type::isa_ary() const {
2015 return ((_base == Array) ? (TypeAry*)this : nullptr);
2016 }
2017
2018 inline const TypeVectMask *Type::is_vectmask() const {
2019 assert( _base == VectorMask, "Not a Vector Mask" );
2020 return (TypeVectMask*)this;
2021 }
2022
2023 inline const TypeVectMask *Type::isa_vectmask() const {
2024 return (_base == VectorMask) ? (TypeVectMask*)this : nullptr;
2025 }
2026
2027 inline const TypeVect *Type::is_vect() const {
2028 assert( _base >= VectorMask && _base <= VectorZ, "Not a Vector" );
2029 return (TypeVect*)this;
2030 }
2031
2032 inline const TypeVect *Type::isa_vect() const {
2033 return (_base >= VectorMask && _base <= VectorZ) ? (TypeVect*)this : nullptr;
2034 }
2035
2036 inline const TypePtr *Type::is_ptr() const {
2037 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
2038 assert(_base >= AnyPtr && _base <= AryKlassPtr, "Not a pointer");
2039 return (TypePtr*)this;
2040 }
2041
2042 inline const TypePtr *Type::isa_ptr() const {
2043 // AnyPtr is the first Ptr and KlassPtr the last, with no non-ptrs between.
2044 return (_base >= AnyPtr && _base <= AryKlassPtr) ? (TypePtr*)this : nullptr;
2045 }
2046
2047 inline const TypeOopPtr *Type::is_oopptr() const {
2048 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2049 assert(_base >= OopPtr && _base <= AryPtr, "Not a Java pointer" ) ;
2050 return (TypeOopPtr*)this;
2051 }
2052
2053 inline const TypeOopPtr *Type::isa_oopptr() const {
2054 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2055 return (_base >= OopPtr && _base <= AryPtr) ? (TypeOopPtr*)this : nullptr;
2056 }
2057
2058 inline const TypeRawPtr *Type::isa_rawptr() const {
2059 return (_base == RawPtr) ? (TypeRawPtr*)this : nullptr;
2060 }
2061
2062 inline const TypeRawPtr *Type::is_rawptr() const {
2063 assert( _base == RawPtr, "Not a raw pointer" );
2064 return (TypeRawPtr*)this;
2065 }
2066
2067 inline const TypeInstPtr *Type::isa_instptr() const {
2068 return (_base == InstPtr) ? (TypeInstPtr*)this : nullptr;
2069 }
2070
2071 inline const TypeInstPtr *Type::is_instptr() const {
2072 assert( _base == InstPtr, "Not an object pointer" );
2073 return (TypeInstPtr*)this;
2074 }
2075
2076 inline const TypeAryPtr *Type::isa_aryptr() const {
2077 return (_base == AryPtr) ? (TypeAryPtr*)this : nullptr;
2078 }
2079
2080 inline const TypeAryPtr *Type::is_aryptr() const {
2081 assert( _base == AryPtr, "Not an array pointer" );
2082 return (TypeAryPtr*)this;
2083 }
2084
2085 inline const TypeNarrowOop *Type::is_narrowoop() const {
2086 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2087 assert(_base == NarrowOop, "Not a narrow oop" ) ;
2088 return (TypeNarrowOop*)this;
2089 }
2090
2091 inline const TypeNarrowOop *Type::isa_narrowoop() const {
2092 // OopPtr is the first and KlassPtr the last, with no non-oops between.
2093 return (_base == NarrowOop) ? (TypeNarrowOop*)this : nullptr;
2094 }
2095
2096 inline const TypeNarrowKlass *Type::is_narrowklass() const {
2097 assert(_base == NarrowKlass, "Not a narrow oop" ) ;
2098 return (TypeNarrowKlass*)this;
2099 }
2100
2101 inline const TypeNarrowKlass *Type::isa_narrowklass() const {
2102 return (_base == NarrowKlass) ? (TypeNarrowKlass*)this : nullptr;
2103 }
2104
2105 inline const TypeMetadataPtr *Type::is_metadataptr() const {
2106 // MetadataPtr is the first and CPCachePtr the last
2107 assert(_base == MetadataPtr, "Not a metadata pointer" ) ;
2108 return (TypeMetadataPtr*)this;
2109 }
2110
2111 inline const TypeMetadataPtr *Type::isa_metadataptr() const {
2112 return (_base == MetadataPtr) ? (TypeMetadataPtr*)this : nullptr;
2113 }
2114
2115 inline const TypeKlassPtr *Type::isa_klassptr() const {
2116 return (_base >= KlassPtr && _base <= AryKlassPtr ) ? (TypeKlassPtr*)this : nullptr;
2117 }
2118
2119 inline const TypeKlassPtr *Type::is_klassptr() const {
2120 assert(_base >= KlassPtr && _base <= AryKlassPtr, "Not a klass pointer");
2121 return (TypeKlassPtr*)this;
2122 }
2123
2124 inline const TypeInstKlassPtr *Type::isa_instklassptr() const {
2125 return (_base == InstKlassPtr) ? (TypeInstKlassPtr*)this : nullptr;
2126 }
2127
2128 inline const TypeInstKlassPtr *Type::is_instklassptr() const {
2129 assert(_base == InstKlassPtr, "Not a klass pointer");
2130 return (TypeInstKlassPtr*)this;
2131 }
2132
2133 inline const TypeAryKlassPtr *Type::isa_aryklassptr() const {
2134 return (_base == AryKlassPtr) ? (TypeAryKlassPtr*)this : nullptr;
2135 }
2136
2137 inline const TypeAryKlassPtr *Type::is_aryklassptr() const {
2138 assert(_base == AryKlassPtr, "Not a klass pointer");
2139 return (TypeAryKlassPtr*)this;
2140 }
2141
2142 inline const TypePtr* Type::make_ptr() const {
2143 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype() :
2144 ((_base == NarrowKlass) ? is_narrowklass()->get_ptrtype() :
2145 isa_ptr());
2146 }
2147
2148 inline const TypeOopPtr* Type::make_oopptr() const {
2149 return (_base == NarrowOop) ? is_narrowoop()->get_ptrtype()->isa_oopptr() : isa_oopptr();
2150 }
2151
2152 inline const TypeNarrowOop* Type::make_narrowoop() const {
2153 return (_base == NarrowOop) ? is_narrowoop() :
2154 (isa_ptr() ? TypeNarrowOop::make(is_ptr()) : nullptr);
2155 }
2156
2157 inline const TypeNarrowKlass* Type::make_narrowklass() const {
2158 return (_base == NarrowKlass) ? is_narrowklass() :
2159 (isa_ptr() ? TypeNarrowKlass::make(is_ptr()) : nullptr);
2160 }
2161
2162 inline bool Type::is_floatingpoint() const {
2163 if( (_base == FloatCon) || (_base == FloatBot) ||
2164 (_base == DoubleCon) || (_base == DoubleBot) )
2165 return true;
2166 return false;
2167 }
2168
2169
2170 // ===============================================================
2171 // Things that need to be 64-bits in the 64-bit build but
2172 // 32-bits in the 32-bit build. Done this way to get full
2173 // optimization AND strong typing.
2174 #ifdef _LP64
2175
2176 // For type queries and asserts
2177 #define is_intptr_t is_long
2178 #define isa_intptr_t isa_long
2179 #define find_intptr_t_type find_long_type
2180 #define find_intptr_t_con find_long_con
2181 #define TypeX TypeLong
2182 #define Type_X Type::Long
2183 #define TypeX_X TypeLong::LONG
2184 #define TypeX_ZERO TypeLong::ZERO
2185 // For 'ideal_reg' machine registers
2186 #define Op_RegX Op_RegL
2187 // For phase->intcon variants
2188 #define MakeConX longcon
2189 #define ConXNode ConLNode
2190 // For array index arithmetic
2191 #define MulXNode MulLNode
2192 #define AndXNode AndLNode
2193 #define OrXNode OrLNode
2194 #define CmpXNode CmpLNode
2195 #define SubXNode SubLNode
2196 #define LShiftXNode LShiftLNode
2197 // For object size computation:
2198 #define AddXNode AddLNode
2199 #define RShiftXNode RShiftLNode
2200 // For card marks and hashcodes
2201 #define URShiftXNode URShiftLNode
2202 // For shenandoahSupport
2203 #define LoadXNode LoadLNode
2204 #define StoreXNode StoreLNode
2205 // Opcodes
2206 #define Op_LShiftX Op_LShiftL
2207 #define Op_AndX Op_AndL
2208 #define Op_AddX Op_AddL
2209 #define Op_SubX Op_SubL
2210 #define Op_XorX Op_XorL
2211 #define Op_URShiftX Op_URShiftL
2212 #define Op_LoadX Op_LoadL
2213 // conversions
2214 #define ConvI2X(x) ConvI2L(x)
2215 #define ConvL2X(x) (x)
2216 #define ConvX2I(x) ConvL2I(x)
2217 #define ConvX2L(x) (x)
2218 #define ConvX2UL(x) (x)
2219
2220 #else
2221
2222 // For type queries and asserts
2223 #define is_intptr_t is_int
2224 #define isa_intptr_t isa_int
2225 #define find_intptr_t_type find_int_type
2226 #define find_intptr_t_con find_int_con
2227 #define TypeX TypeInt
2228 #define Type_X Type::Int
2229 #define TypeX_X TypeInt::INT
2230 #define TypeX_ZERO TypeInt::ZERO
2231 // For 'ideal_reg' machine registers
2232 #define Op_RegX Op_RegI
2233 // For phase->intcon variants
2234 #define MakeConX intcon
2235 #define ConXNode ConINode
2236 // For array index arithmetic
2237 #define MulXNode MulINode
2238 #define AndXNode AndINode
2239 #define OrXNode OrINode
2240 #define CmpXNode CmpINode
2241 #define SubXNode SubINode
2242 #define LShiftXNode LShiftINode
2243 // For object size computation:
2244 #define AddXNode AddINode
2245 #define RShiftXNode RShiftINode
2246 // For card marks and hashcodes
2247 #define URShiftXNode URShiftINode
2248 // For shenandoahSupport
2249 #define LoadXNode LoadINode
2250 #define StoreXNode StoreINode
2251 // Opcodes
2252 #define Op_LShiftX Op_LShiftI
2253 #define Op_AndX Op_AndI
2254 #define Op_AddX Op_AddI
2255 #define Op_SubX Op_SubI
2256 #define Op_XorX Op_XorI
2257 #define Op_URShiftX Op_URShiftI
2258 #define Op_LoadX Op_LoadI
2259 // conversions
2260 #define ConvI2X(x) (x)
2261 #define ConvL2X(x) ConvL2I(x)
2262 #define ConvX2I(x) (x)
2263 #define ConvX2L(x) ConvI2L(x)
2264 #define ConvX2UL(x) ConvI2UL(x)
2265
2266 #endif
2267
2268 #endif // SHARE_OPTO_TYPE_HPP