[llvm-commits] CVS: llvm/include/llvm/Analysis/Dominators.h

[Devang Patel]

On Apr 17, 2007, at 9:38 PM, Owen Anderson wrote:

> Index: llvm/include/llvm/Analysis/Dominators.h
> diff -u llvm/include/llvm/Analysis/Dominators.h:1.72 llvm/include/ 
> llvm/Analysis/Dominators.h:1.73
> --- llvm/include/llvm/Analysis/Dominators.h:1.72	Sun Apr 15 18:14:18  
> 2007
> +++ llvm/include/llvm/Analysis/Dominators.h	Tue Apr 17 23:38:39 2007
> @@ -320,6 +320,13 @@
>       return NULL;
>     return Common->getData<BasicBlock>();
>   }
> +
> +  /// Return the immediate dominator of A.
> +  BasicBlock *getIDom(BasicBlock *A) {
> +    ETNode *NodeA = getNode(A);

Please add an assert to check that  NodeA is not null. Thanks!
-
Devang
>
> +    const ETNode *idom = NodeA->getFather();
> +    return idom ? idom->getData<BasicBlock>() : 0;
> +  }
>
>   virtual void getAnalysisUsage(AnalysisUsage &AU) const {
>     AU.setPreservesAll();
>
>
>
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