< prev index next >

src/hotspot/share/opto/macro.cpp

Print this page

        

*** 432,442 **** return NULL; // can't find a value on this path } if (val == mem) { values.at_put(j, mem); } else if (val->is_Store()) { ! values.at_put(j, val->in(MemNode::ValueIn)); } else if(val->is_Proj() && val->in(0) == alloc) { values.at_put(j, _igvn.zerocon(ft)); } else if (val->is_Phi()) { val = value_from_mem_phi(val, ft, phi_type, adr_t, alloc, value_phis, level-1); if (val == NULL) { --- 432,445 ---- return NULL; // can't find a value on this path } if (val == mem) { values.at_put(j, mem); } else if (val->is_Store()) { ! Node* n = val->in(MemNode::ValueIn); ! BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2(); ! n = bs->step_over_gc_barrier(n); ! values.at_put(j, n); } else if(val->is_Proj() && val->in(0) == alloc) { values.at_put(j, _igvn.zerocon(ft)); } else if (val->is_Phi()) { val = value_from_mem_phi(val, ft, phi_type, adr_t, alloc, value_phis, level-1); if (val == NULL) {
*** 544,554 **** if (mem != NULL) { if (mem == start_mem || mem == alloc_mem) { // hit a sentinel, return appropriate 0 value return _igvn.zerocon(ft); } else if (mem->is_Store()) { ! return mem->in(MemNode::ValueIn); } else if (mem->is_Phi()) { // attempt to produce a Phi reflecting the values on the input paths of the Phi Node_Stack value_phis(a, 8); Node * phi = value_from_mem_phi(mem, ft, ftype, adr_t, alloc, &value_phis, ValueSearchLimit); if (phi != NULL) { --- 547,560 ---- if (mem != NULL) { if (mem == start_mem || mem == alloc_mem) { // hit a sentinel, return appropriate 0 value return _igvn.zerocon(ft); } else if (mem->is_Store()) { ! Node* n = mem->in(MemNode::ValueIn); ! BarrierSetC2* bs = BarrierSet::barrier_set()->barrier_set_c2(); ! n = bs->step_over_gc_barrier(n); ! return n; } else if (mem->is_Phi()) { // attempt to produce a Phi reflecting the values on the input paths of the Phi Node_Stack value_phis(a, 8); Node * phi = value_from_mem_phi(mem, ft, ftype, adr_t, alloc, &value_phis, ValueSearchLimit); if (phi != NULL) {
*** 932,941 **** --- 938,948 ---- } else { eliminate_gc_barrier(n); } k -= (oc2 - use->outcnt()); } + _igvn.remove_dead_node(use); } else if (use->is_ArrayCopy()) { // Disconnect ArrayCopy node ArrayCopyNode* ac = use->as_ArrayCopy(); assert(ac->is_arraycopy_validated() || ac->is_copyof_validated() ||
< prev index next >