[llvm-commits] [poolalloc] r124877 - /poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp

[Nick Lewycky]

Arushi Aggarwal wrote:
> Author: aggarwa4
> Date: Fri Feb  4 11:51:48 2011
> New Revision: 124877
>
> URL: http://llvm.org/viewvc/llvm-project?rev=124877&view=rev
> Log:
> Do not care about users, that are never used.
>
> Modified:
>      poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp
>
> Modified: poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp
> URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp?rev=124877&r1=124876&r2=124877&view=diff
> ==============================================================================
> --- poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp (original)
> +++ poolalloc/trunk/lib/DSA/AddressTakenAnalysis.cpp Fri Feb  4 11:51:48 2011
> @@ -39,6 +39,8 @@
>   static bool isAddressTaken(Value* V) {
>     for (Value::use_iterator I = V->use_begin(), E = V->use_end(); I != E; ++I) {
>       User *U = *I;
> +    if(U->getNumUses() == 0)
> +      continue;

if (U->use_empty())
   continue;

Nick

>       if (!isa<CallInst>(U)&&  !isa<InvokeInst>(U)) {
>         if(isa<GlobalAlias>(U)) {
>           if(isAddressTaken(U))
> @@ -53,9 +55,8 @@
>         // are never used
>       } else {
>         llvm::CallSite CS(cast<Instruction>(U));
> -      if (!CS.isCallee(I)) {
> +      if (!CS.isCallee(I))
>           return true;
> -      }
>       }
>     }
>     return false;
>
>
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