> /// Return the immediate dominator of A.
> - BasicBlock *getIDom(BasicBlock *A) {
> + BasicBlock *getIDom(BasicBlock *A) const {
> + if (!A) return 0;
> +
> ETNode *NodeA = getNode(A);
A can't be null here, please check that NodeA isn't null instead
(i.e. that A is reachable).
-Chris
> const ETNode *idom = NodeA->getFather();
> return idom ? idom->getData<BasicBlock>() : 0;
> }
>
> - void getChildren(BasicBlock *A, std::vector<BasicBlock*>&
> children) {
> + void getChildren(BasicBlock *A, std::vector<BasicBlock*>&
> children) const {
> + if (!A) return;
> ETNode *NodeA = getNode(A);
> const ETNode* son = NodeA->getSon();
>
>
>
>
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