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Add ability to remove nodes from DominatorTree, for when a BasicBlock

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is being removed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30270 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky
2006-09-12 00:18:28 +00:00
parent 0bfd7fde43
commit f19fb9b4f4
1 changed files with 8 additions and 0 deletions
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8
include/llvm/Analysis/Dominators.h
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@@ -399,6 +399,14 @@ public:
N->setIDom(NewIDom); N->setIDom(NewIDom);
} }
/// removeNode - Removes a node from the dominator tree. Block must not
/// dominate any other blocks. Invalidates any node pointing to removed
/// block.
void removeNode(BasicBlock *BB) {
assert(getNode(BB) && "Removing node that isn't in dominator tree.");
Nodes.erase(BB);
}
/// print - Convert to human readable form /// print - Convert to human readable form
/// ///
virtual void print(std::ostream &OS, const Module* = 0) const; virtual void print(std::ostream &OS, const Module* = 0) const;