Mercurial > hg > graal-jvmci-8

comparison graal/GraalCompiler/src/com/sun/c1x/graph/IR.java @ 2781:bda5972a40a5

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remove unnecessary BlockBegin nodes in frontend
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 24 May 2011 15:31:52 +0200
parents 398b8fa5dc81
children 915456e4959e
comparison
equal deleted inserted replaced
2776:398b8fa5dc81 2781:bda5972a40a5
127 127
128 Map<Value, LIRBlock> valueToBlock = new HashMap<Value, LIRBlock>(); 128 Map<Value, LIRBlock> valueToBlock = new HashMap<Value, LIRBlock>();
129 129
130 if (orderedBlocks == null) { 130 if (orderedBlocks == null) {
131 CriticalEdgeFinder finder = new CriticalEdgeFinder(this); 131 CriticalEdgeFinder finder = new CriticalEdgeFinder(this);
132 getHIRStartBlock().iteratePreOrder(finder); 132 ((BlockBegin) getHIRStartBlock()).iteratePreOrder(finder);
133 finder.splitCriticalEdges(); 133 finder.splitCriticalEdges();
134 ComputeLinearScanOrder computeLinearScanOrder = new ComputeLinearScanOrder(compilation.stats.blockCount, getHIRStartBlock()); 134 ComputeLinearScanOrder computeLinearScanOrder = new ComputeLinearScanOrder(compilation.stats.blockCount, (BlockBegin) getHIRStartBlock());
135 List<BlockBegin> blocks = computeLinearScanOrder.linearScanOrder(); 135 List<BlockBegin> blocks = computeLinearScanOrder.linearScanOrder();
136 orderedBlocks = new ArrayList<LIRBlock>(); 136 orderedBlocks = new ArrayList<LIRBlock>();
137 137
138 int z = 0; 138 int z = 0;
139 for (BlockBegin bb : blocks) { 139 for (BlockBegin bb : blocks) {
185 private void print(boolean cfgOnly) { 185 private void print(boolean cfgOnly) {
186 if (!TTY.isSuppressed()) { 186 if (!TTY.isSuppressed()) {
187 TTY.println("IR for " + compilation.method); 187 TTY.println("IR for " + compilation.method);
188 final InstructionPrinter ip = new InstructionPrinter(TTY.out()); 188 final InstructionPrinter ip = new InstructionPrinter(TTY.out());
189 final BlockPrinter bp = new BlockPrinter(this, ip, cfgOnly); 189 final BlockPrinter bp = new BlockPrinter(this, ip, cfgOnly);
190 getHIRStartBlock().iteratePreOrder(bp); 190 ((BlockBegin) getHIRStartBlock()).iteratePreOrder(bp);
191 } 191 }
192 } 192 }
193 193
194 /** 194 /**
195 * Verifies the IR and prints it out if the relevant options are set. 195 * Verifies the IR and prints it out if the relevant options are set.
285 */ 285 */
286 public final int maxLocks() { 286 public final int maxLocks() {
287 return maxLocks; 287 return maxLocks;
288 } 288 }
289 289
290 public BlockBegin getHIRStartBlock() { 290 public Instruction getHIRStartBlock() {
291 return (BlockBegin) compilation.graph.start().successors().get(0); 291 return (Instruction) compilation.graph.start().successors().get(0);
292 } 292 }
293 } 293 }