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comparison graal/GraalCompiler/src/com/sun/c1x/graph/IR.java @ 2716:c1a9bf38da28

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Removed bci from the Instruction class.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Thu, 19 May 2011 13:59:55 +0200
parents a0dd2b907806
children c1ce2a53d6c3
comparison
equal deleted inserted replaced
2715:3ac3dd97d8df 2716:c1a9bf38da28
153 * @param source the source of the edge 153 * @param source the source of the edge
154 * @param target the successor before which to insert a block 154 * @param target the successor before which to insert a block
155 * @return the new block inserted 155 * @return the new block inserted
156 */ 156 */
157 public BlockBegin splitEdge(BlockBegin source, BlockBegin target) { 157 public BlockBegin splitEdge(BlockBegin source, BlockBegin target) {
158 int bci; 158 int bci = -2;
159 if (target.blockPredecessors().size() == 1) {
160 bci = target.bci();
161 } else {
162 bci = source.end().bci();
163 }
164 159
165 int backEdgeIndex = target.predecessors().indexOf(source.end()); 160 int backEdgeIndex = target.predecessors().indexOf(source.end());
166 161
167 // create new successor and mark it for special block order treatment 162 // create new successor and mark it for special block order treatment
168 BlockBegin newSucc = new BlockBegin(bci, nextBlockNumber(), compilation.graph); 163 BlockBegin newSucc = new BlockBegin(bci, nextBlockNumber(), compilation.graph);
169 164
170 // This goto is not a safepoint. 165 // This goto is not a safepoint.
171 Goto e = new Goto(target, null, compilation.graph); 166 Goto e = new Goto(target, null, compilation.graph);
172 newSucc.appendNext(e, bci); 167 newSucc.appendNext(e);
173 newSucc.setEnd(e); 168 newSucc.setEnd(e);
174 e.reorderSuccessor(0, backEdgeIndex); 169 e.reorderSuccessor(0, backEdgeIndex);
175 // setup states 170 // setup states
176 FrameState s = source.end().stateAfter(); 171 FrameState s = source.end().stateAfter();
177 newSucc.setStateBefore(s); 172 newSucc.setStateBefore(s);