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Add ability to remove nodes from DominatorTree, for when a BasicBlock
is being removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30270 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -399,6 +399,14 @@ public:
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N->setIDom(NewIDom);
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}
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/// removeNode - Removes a node from the dominator tree. Block must not
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/// dominate any other blocks. Invalidates any node pointing to removed
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/// block.
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void removeNode(BasicBlock *BB) {
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assert(getNode(BB) && "Removing node that isn't in dominator tree.");
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Nodes.erase(BB);
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}
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/// print - Convert to human readable form
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///
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virtual void print(std::ostream &OS, const Module* = 0) const;
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