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comparison src/share/vm/c1/c1_GraphBuilder.cpp @ 17618:f834ae379225

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8028064: tiered may collect wrong receiver type at virtual call Summary: when unique callee is known at compile time, recorded class may be wrong Reviewed-by: kvn, iveresov
author roland
date Tue, 07 Jan 2014 14:36:34 +0100
parents 144b23411b51
children 96d2c94bbdd0 f47fa50d9b9c
comparison
equal deleted inserted replaced
17617:29463147336b 17618:f834ae379225
4336 vmap()->print(); 4336 vmap()->print();
4337 } 4337 }
4338 #endif // PRODUCT 4338 #endif // PRODUCT
4339 4339
4340 void GraphBuilder::profile_call(ciMethod* callee, Value recv, ciKlass* known_holder, Values* obj_args, bool inlined) { 4340 void GraphBuilder::profile_call(ciMethod* callee, Value recv, ciKlass* known_holder, Values* obj_args, bool inlined) {
4341 // A default method's holder is an interface 4341 assert(known_holder == NULL || (known_holder->is_instance_klass() &&
4342 if (known_holder != NULL && known_holder->is_interface()) { 4342 (!known_holder->is_interface() ||
4343 assert(known_holder->is_instance_klass() && ((ciInstanceKlass*)known_holder)->has_default_methods(), "should be default method"); 4343 ((ciInstanceKlass*)known_holder)->has_default_methods())), "should be default method");
4344 known_holder = NULL; 4344 if (known_holder != NULL) {
4345 } 4345 if (known_holder->exact_klass() == NULL) {
4346 known_holder = compilation()->cha_exact_type(known_holder);
4347 }
4348 }
4349
4346 append(new ProfileCall(method(), bci(), callee, recv, known_holder, obj_args, inlined)); 4350 append(new ProfileCall(method(), bci(), callee, recv, known_holder, obj_args, inlined));
4347 } 4351 }
4348 4352
4349 void GraphBuilder::profile_return_type(Value ret, ciMethod* callee, ciMethod* m, int invoke_bci) { 4353 void GraphBuilder::profile_return_type(Value ret, ciMethod* callee, ciMethod* m, int invoke_bci) {
4350 assert((m == NULL) == (invoke_bci < 0), "invalid method and invalid bci together"); 4354 assert((m == NULL) == (invoke_bci < 0), "invalid method and invalid bci together");