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comparison graal/GraalCompiler/src/com/sun/c1x/ir/BlockBegin.java @ 2624:8e44074058af

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remove explicit pointer from BlockEnd to BlockBegin
author Lukas Stadler <lukas.stadler@jku.at>
date Tue, 10 May 2011 14:29:40 +0200
parents dd115f80acf8
children 62ff4a70f07e
comparison
equal deleted inserted replaced
2621:dd115f80acf8 2624:8e44074058af
80 public void setEnd(BlockEnd end) { 80 public void setEnd(BlockEnd end) {
81 assert end != null; 81 assert end != null;
82 BlockEnd old = this.end(); 82 BlockEnd old = this.end();
83 if (old != end) { 83 if (old != end) {
84 if (old != null) { 84 if (old != null) {
85 // disconnect this block from the old end
86 old.setBegin(null);
87 // disconnect this block from its current successors 85 // disconnect this block from its current successors
88 for (BlockBegin s : old.blockSuccessors()) { 86 for (BlockBegin s : old.blockSuccessors()) {
89 s.blockPredecessors().remove(this); 87 s.blockPredecessors().remove(this);
90 } 88 }
91 } 89 }
92 successors().set(super.successorCount() + SUCCESSOR_END, end); 90 successors().set(super.successorCount() + SUCCESSOR_END, end);
93 end.setBegin(this);
94 for (BlockBegin s : end.blockSuccessors()) { 91 for (BlockBegin s : end.blockSuccessors()) {
95 s.addPredecessor(this); 92 s.addPredecessor(this);
96 } 93 }
97 } 94 }
98 } 95 }