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Add BasicBlock level dominates(A,B) interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37493 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -170,11 +170,16 @@ protected:
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}
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void updateDFSNumbers();
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/// dominates - Returns true iff this dominates N. Note that this is not a
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/// constant time operation!
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///
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inline bool dominates(const DomTreeNode *A, DomTreeNode *B) {
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if (B == A) return true; // A node trivially dominates itself.
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if (B == A)
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return true; // A node trivially dominates itself.
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if (A == 0 || B == 0)
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return false;
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ETNode *NodeA = A->getETNode();
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ETNode *NodeB = B->getETNode();
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@ -192,7 +197,14 @@ protected:
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//return NodeB->DominatedBySlow(NodeA);
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return dominatedBySlowTreeWalk(A, B);
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}
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inline bool dominates(BasicBlock *A, BasicBlock *B) {
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if (A == B)
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return true;
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return dominates(getNode(A), getNode(B));
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}
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//===--------------------------------------------------------------------===//
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// API to update (Post)DominatorTree information based on modifications to
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// the CFG...
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