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comparison src/share/vm/opto/stringopts.cpp @ 7473:d092d1b31229

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8005071: Incremental inlining for JSR 292 Summary: post parse inlining driven by number of live nodes. Reviewed-by: twisti, kvn, jrose
author roland
date Sun, 23 Dec 2012 17:08:22 +0100
parents ad5dd04754ee
children 90abdd727e64
comparison
equal deleted inserted replaced
7445:cd962e15c08e 7473:d092d1b31229
263 eliminate_call(n->as_Call()); 263 eliminate_call(n->as_Call());
264 } 264 }
265 } else if (n->is_IfTrue()) { 265 } else if (n->is_IfTrue()) {
266 Compile* C = _stringopts->C; 266 Compile* C = _stringopts->C;
267 C->gvn_replace_by(n, n->in(0)->in(0)); 267 C->gvn_replace_by(n, n->in(0)->in(0));
268 C->gvn_replace_by(n->in(0), C->top()); 268 // get rid of the other projection
269 C->gvn_replace_by(n->in(0)->as_If()->proj_out(false), C->top());
269 } 270 }
270 } 271 }
271 } 272 }
272 273
273 274
437 if (alloc == NULL) { 438 if (alloc == NULL) {
438 break; 439 break;
439 } 440 }
440 // Find the constructor call 441 // Find the constructor call
441 Node* result = alloc->result_cast(); 442 Node* result = alloc->result_cast();
442 if (result == NULL || !result->is_CheckCastPP()) { 443 if (result == NULL || !result->is_CheckCastPP() || alloc->in(TypeFunc::Memory)->is_top()) {
443 // strange looking allocation 444 // strange looking allocation
444 #ifndef PRODUCT 445 #ifndef PRODUCT
445 if (PrintOptimizeStringConcat) { 446 if (PrintOptimizeStringConcat) {
446 tty->print("giving up because allocation looks strange "); 447 tty->print("giving up because allocation looks strange ");
447 alloc->jvms()->dump_spec(tty); tty->cr(); 448 alloc->jvms()->dump_spec(tty); tty->cr();
832 ptr->in(2) != NULL && ptr->in(2)->is_Proj() && 833 ptr->in(2) != NULL && ptr->in(2)->is_Proj() &&
833 ptr->in(1)->in(0) == ptr->in(2)->in(0) && 834 ptr->in(1)->in(0) == ptr->in(2)->in(0) &&
834 ptr->in(1)->in(0) != NULL && ptr->in(1)->in(0)->is_If()) { 835 ptr->in(1)->in(0) != NULL && ptr->in(1)->in(0)->is_If()) {
835 // Simple diamond. 836 // Simple diamond.
836 // XXX should check for possibly merging stores. simple data merges are ok. 837 // XXX should check for possibly merging stores. simple data merges are ok.
838 // The IGVN will make this simple diamond go away when it
839 // transforms the Region. Make sure it sees it.
840 Compile::current()->record_for_igvn(ptr);
837 ptr = ptr->in(1)->in(0)->in(0); 841 ptr = ptr->in(1)->in(0)->in(0);
838 continue; 842 continue;
839 } 843 }
840 #ifndef PRODUCT 844 #ifndef PRODUCT
841 if (PrintOptimizeStringConcat) { 845 if (PrintOptimizeStringConcat) {