Mercurial > hg > truffle
diff src/share/vm/opto/reg_split.cpp @ 12167:650868c062a9
8023691: Create interface for nodes in class Block
Summary: Create public methods for accessing the nodes in a block
Reviewed-by: kvn, roland
author | adlertz |
---|---|
date | Mon, 26 Aug 2013 12:50:23 +0200 |
parents | 4b2838704fd5 |
children | 98692a2d36d7 |
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--- a/src/share/vm/opto/reg_split.cpp Mon Aug 26 16:12:20 2013 +0200 +++ b/src/share/vm/opto/reg_split.cpp Mon Aug 26 12:50:23 2013 +0200 @@ -112,17 +112,17 @@ void PhaseChaitin::insert_proj( Block *b, uint i, Node *spill, uint maxlrg ) { // Skip intervening ProjNodes. Do not insert between a ProjNode and // its definer. - while( i < b->_nodes.size() && - (b->_nodes[i]->is_Proj() || - b->_nodes[i]->is_Phi() ) ) + while( i < b->number_of_nodes() && + (b->get_node(i)->is_Proj() || + b->get_node(i)->is_Phi() ) ) i++; // Do not insert between a call and his Catch - if( b->_nodes[i]->is_Catch() ) { + if( b->get_node(i)->is_Catch() ) { // Put the instruction at the top of the fall-thru block. // Find the fall-thru projection while( 1 ) { - const CatchProjNode *cp = b->_nodes[++i]->as_CatchProj(); + const CatchProjNode *cp = b->get_node(++i)->as_CatchProj(); if( cp->_con == CatchProjNode::fall_through_index ) break; } @@ -131,7 +131,7 @@ i = 1; // Right at start of block } - b->_nodes.insert(i,spill); // Insert node in block + b->insert_node(spill, i); // Insert node in block _cfg.map_node_to_block(spill, b); // Update node->block mapping to reflect // Adjust the point where we go hi-pressure if( i <= b->_ihrp_index ) b->_ihrp_index++; @@ -160,9 +160,9 @@ // (The implicit_null_check function ensures the use is also dominated // by the branch-not-taken block.) Node *be = b->end(); - if( be->is_MachNullCheck() && be->in(1) == def && def == b->_nodes[loc] ) { + if( be->is_MachNullCheck() && be->in(1) == def && def == b->get_node(loc)) { // Spill goes in the branch-not-taken block - b = b->_succs[b->_nodes[b->end_idx()+1]->Opcode() == Op_IfTrue]; + b = b->_succs[b->get_node(b->end_idx()+1)->Opcode() == Op_IfTrue]; loc = 0; // Just past the Region } assert( loc >= 0, "must insert past block head" ); @@ -450,7 +450,7 @@ // Scan block for 1st use. for( uint i = 1; i <= b->end_idx(); i++ ) { - Node *n = b->_nodes[i]; + Node *n = b->get_node(i); // Ignore PHI use, these can be up or down if (n->is_Phi()) { continue; @@ -647,7 +647,7 @@ // check block for appropriate phinode & update edges for( insidx = 1; insidx <= b->end_idx(); insidx++ ) { - n1 = b->_nodes[insidx]; + n1 = b->get_node(insidx); // bail if this is not a phi phi = n1->is_Phi() ? n1->as_Phi() : NULL; if( phi == NULL ) { @@ -747,7 +747,7 @@ //----------Walk Instructions in the Block and Split---------- // For all non-phi instructions in the block for( insidx = 1; insidx <= b->end_idx(); insidx++ ) { - Node *n = b->_nodes[insidx]; + Node *n = b->get_node(insidx); // Find the defining Node's live range index uint defidx = _lrg_map.find_id(n); uint cnt = n->req(); @@ -776,7 +776,7 @@ assert(_lrg_map.find_id(n) == _lrg_map.find_id(u), "should be the same lrg"); n->replace_by(u); // Then replace with unique input n->disconnect_inputs(NULL, C); - b->_nodes.remove(insidx); + b->remove_node(insidx); insidx--; b->_ihrp_index--; b->_fhrp_index--; @@ -789,12 +789,12 @@ (b->_reg_pressure < (uint)INTPRESSURE) || b->_ihrp_index > 4000000 || b->_ihrp_index >= b->end_idx() || - !b->_nodes[b->_ihrp_index]->is_Proj(), "" ); + !b->get_node(b->_ihrp_index)->is_Proj(), "" ); assert( insidx > b->_fhrp_index || (b->_freg_pressure < (uint)FLOATPRESSURE) || b->_fhrp_index > 4000000 || b->_fhrp_index >= b->end_idx() || - !b->_nodes[b->_fhrp_index]->is_Proj(), "" ); + !b->get_node(b->_fhrp_index)->is_Proj(), "" ); // ********** Handle Crossing HRP Boundry ********** if( (insidx == b->_ihrp_index) || (insidx == b->_fhrp_index) ) { @@ -819,7 +819,7 @@ // Insert point is just past last use or def in the block int insert_point = insidx-1; while( insert_point > 0 ) { - Node *n = b->_nodes[insert_point]; + Node *n = b->get_node(insert_point); // Hit top of block? Quit going backwards if (n->is_Phi()) { break; @@ -865,7 +865,7 @@ } } // end if LRG is UP } // end for all spilling live ranges - assert( b->_nodes[insidx] == n, "got insidx set incorrectly" ); + assert( b->get_node(insidx) == n, "got insidx set incorrectly" ); } // end if crossing HRP Boundry // If the LRG index is oob, then this is a new spillcopy, skip it. @@ -878,7 +878,7 @@ if (copyidx && defidx == _lrg_map.live_range_id(n->in(copyidx))) { n->replace_by( n->in(copyidx) ); n->set_req( copyidx, NULL ); - b->_nodes.remove(insidx--); + b->remove_node(insidx--); b->_ihrp_index--; // Adjust the point where we go hi-pressure b->_fhrp_index--; continue; @@ -932,10 +932,10 @@ // Rematerializable? Then clone def at use site instead // of store/load if( def->rematerialize() ) { - int old_size = b->_nodes.size(); + int old_size = b->number_of_nodes(); def = split_Rematerialize( def, b, insidx, maxlrg, splits, slidx, lrg2reach, Reachblock, true ); if( !def ) return 0; // Bail out - insidx += b->_nodes.size()-old_size; + insidx += b->number_of_nodes()-old_size; } MachNode *mach = n->is_Mach() ? n->as_Mach() : NULL; @@ -1332,8 +1332,8 @@ // so look at the node before it. int insert = pred->end_idx(); while (insert >= 1 && - pred->_nodes[insert - 1]->is_SpillCopy() && - _lrg_map.find(pred->_nodes[insert - 1]) >= lrgs_before_phi_split) { + pred->get_node(insert - 1)->is_SpillCopy() && + _lrg_map.find(pred->get_node(insert - 1)) >= lrgs_before_phi_split) { insert--; } def = split_Rematerialize(def, pred, insert, maxlrg, splits, slidx, lrg2reach, Reachblock, false); @@ -1402,7 +1402,7 @@ for (bidx = 0; bidx < _cfg.number_of_blocks(); bidx++) { b = _cfg.get_block(bidx); for (insidx = 0; insidx <= b->end_idx(); insidx++) { - Node *n = b->_nodes[insidx]; + Node *n = b->get_node(insidx); uint defidx = _lrg_map.find(n); assert(defidx < _lrg_map.max_lrg_id(), "Bad live range index in Split"); assert(defidx < maxlrg,"Bad live range index in Split");