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comparison src/share/vm/ci/ciMethodData.hpp @ 12966:b2ee5dc63353

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8024070: C2 needs some form of type speculation Summary: record unused type profile information with type system, propagate and use it. Reviewed-by: kvn, twisti
author roland
date Wed, 23 Oct 2013 12:40:23 +0200
parents 5ccbab1c69f3
children 6e1826d5c23e
comparison
equal deleted inserted replaced
12965:8b4bbba322d3 12966:b2ee5dc63353
98 98
99 ciKlass* valid_type(int i) const { 99 ciKlass* valid_type(int i) const {
100 return valid_ciklass(type(i)); 100 return valid_ciklass(type(i));
101 } 101 }
102 102
103 bool maybe_null(int i) const {
104 return was_null_seen(type(i));
105 }
106
103 #ifndef PRODUCT 107 #ifndef PRODUCT
104 void print_data_on(outputStream* st) const; 108 void print_data_on(outputStream* st) const;
105 #endif 109 #endif
106 }; 110 };
107 111
109 public: 113 public:
110 void translate_type_data_from(const ReturnTypeEntry* ret); 114 void translate_type_data_from(const ReturnTypeEntry* ret);
111 115
112 ciKlass* valid_type() const { 116 ciKlass* valid_type() const {
113 return valid_ciklass(type()); 117 return valid_ciklass(type());
118 }
119
120 bool maybe_null() const {
121 return was_null_seen(type());
114 } 122 }
115 123
116 #ifndef PRODUCT 124 #ifndef PRODUCT
117 void print_data_on(outputStream* st) const; 125 void print_data_on(outputStream* st) const;
118 #endif 126 #endif
150 } 158 }
151 159
152 ciKlass* valid_return_type() const { 160 ciKlass* valid_return_type() const {
153 assert(has_return(), "no ret type profiling data"); 161 assert(has_return(), "no ret type profiling data");
154 return ret()->valid_type(); 162 return ret()->valid_type();
163 }
164
165 bool argument_maybe_null(int i) const {
166 return args()->maybe_null(i);
167 }
168
169 bool return_maybe_null() const {
170 return ret()->maybe_null();
155 } 171 }
156 172
157 #ifndef PRODUCT 173 #ifndef PRODUCT
158 void print_data_on(outputStream* st) const; 174 void print_data_on(outputStream* st) const;
159 #endif 175 #endif
258 ciKlass* valid_return_type() const { 274 ciKlass* valid_return_type() const {
259 assert(has_return(), "no ret type profiling data"); 275 assert(has_return(), "no ret type profiling data");
260 return ret()->valid_type(); 276 return ret()->valid_type();
261 } 277 }
262 278
279 bool argument_maybe_null(int i) const {
280 return args()->maybe_null(i);
281 }
282
283 bool return_maybe_null() const {
284 return ret()->maybe_null();
285 }
286
263 #ifndef PRODUCT 287 #ifndef PRODUCT
264 void print_data_on(outputStream* st) const; 288 void print_data_on(outputStream* st) const;
265 #endif 289 #endif
266 }; 290 };
267 291
301 325
302 ciTypeStackSlotEntries* parameters() const { return (ciTypeStackSlotEntries*)ParametersTypeData::parameters(); } 326 ciTypeStackSlotEntries* parameters() const { return (ciTypeStackSlotEntries*)ParametersTypeData::parameters(); }
303 327
304 ciKlass* valid_parameter_type(int i) const { 328 ciKlass* valid_parameter_type(int i) const {
305 return parameters()->valid_type(i); 329 return parameters()->valid_type(i);
330 }
331
332 bool parameter_maybe_null(int i) const {
333 return parameters()->maybe_null(i);
306 } 334 }
307 335
308 #ifndef PRODUCT 336 #ifndef PRODUCT
309 void print_data_on(outputStream* st) const; 337 void print_data_on(outputStream* st) const;
310 #endif 338 #endif