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comparison graal/com.oracle.max.graal.compiler/src/com/oracle/max/graal/compiler/ir/BlockEnd.java @ 2967:60a58915c94d

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Removed next pointer from EndNode to Merge. New scheduler.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 15 Jun 2011 16:53:30 +0200
parents d90bf514d647
children d1fd9d15eff3
comparison
equal deleted inserted replaced
2966:0048537e3cd7 2967:60a58915c94d
49 } 49 }
50 50
51 /** 51 /**
52 * The list of instructions that produce input for this instruction. 52 * The list of instructions that produce input for this instruction.
53 */ 53 */
54 public Instruction blockSuccessor(int index) { 54 public FixedNode blockSuccessor(int index) {
55 assert index >= 0 && index < blockSuccessorCount; 55 assert index >= 0 && index < blockSuccessorCount;
56 return (Instruction) successors().get(super.successorCount() + SUCCESSOR_COUNT + index); 56 return (FixedNode) successors().get(super.successorCount() + SUCCESSOR_COUNT + index);
57 } 57 }
58 58
59 public Instruction setBlockSuccessor(int index, Instruction n) { 59 public FixedNode setBlockSuccessor(int index, FixedNode n) {
60 assert index >= 0 && index < blockSuccessorCount; 60 assert index >= 0 && index < blockSuccessorCount;
61 return (Merge) successors().set(super.successorCount() + SUCCESSOR_COUNT + index, n); 61 return (FixedNode) successors().set(super.successorCount() + SUCCESSOR_COUNT + index, n);
62 } 62 }
63 63
64 public int blockSuccessorCount() { 64 public int blockSuccessorCount() {
65 return blockSuccessorCount; 65 return blockSuccessorCount;
66 } 66 }
85 public BlockEnd(CiKind kind, Graph graph) { 85 public BlockEnd(CiKind kind, Graph graph) {
86 this(kind, 2, 0, 0, graph); 86 this(kind, 2, 0, 0, graph);
87 } 87 }
88 88
89 /** 89 /**
90 * Gets the block begin associated with this block end.
91 * @return the beginning of this basic block
92 */
93 public Merge begin() {
94 for (Node n : predecessors()) {
95 if (n instanceof Merge) {
96 return (Merge) n;
97 }
98 }
99 return null;
100 }
101
102 /**
103 * Substitutes a successor block in this block end's successor list. Note that 90 * Substitutes a successor block in this block end's successor list. Note that
104 * this method updates all occurrences in the list. 91 * this method updates all occurrences in the list.
105 * @param oldSucc the old successor to replace 92 * @param oldSucc the old successor to replace
106 * @param newSucc the new successor 93 * @param newSucc the new successor
107 */ 94 */
119 106
120 /** 107 /**
121 * Gets the successor corresponding to the default (fall through) case. 108 * Gets the successor corresponding to the default (fall through) case.
122 * @return the default successor 109 * @return the default successor
123 */ 110 */
124 public Instruction defaultSuccessor() { 111 public FixedNode defaultSuccessor() {
125 return blockSuccessor(blockSuccessorCount - 1); 112 return blockSuccessor(blockSuccessorCount - 1);
126 } 113 }
127 114
128 /** 115 /**
129 * Searches for the specified successor and returns its index into the 116 * Searches for the specified successor and returns its index into the