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Add null checks and const-ify these accessors.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36270 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2007-04-20 05:44:16 +00:00
parent ac79c9e6e0
commit 13e3a292c5
1 changed files with 5 additions and 2 deletions
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7
include/llvm/Analysis/Dominators.h
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@ -322,13 +322,16 @@ public:
} }
/// Return the immediate dominator of A. /// Return the immediate dominator of A.
BasicBlock *getIDom(BasicBlock *A) { BasicBlock *getIDom(BasicBlock *A) const {
if (!A) return 0;
ETNode *NodeA = getNode(A); ETNode *NodeA = getNode(A);
const ETNode *idom = NodeA->getFather(); const ETNode *idom = NodeA->getFather();
return idom ? idom->getData<BasicBlock>() : 0; 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); ETNode *NodeA = getNode(A);
const ETNode* son = NodeA->getSon(); const ETNode* son = NodeA->getSon();