[llvm-commits] [llvm] r86264 - in /llvm/trunk: lib/Transforms/Scalar/JumpThreading.cpp test/Transforms/JumpThreading/basic.ll

Duncan Sands baldrick at free.fr
Sun Nov 8 08:55:20 PST 2009


Hi Chris,

> +/// ComputeValueKnownInPredecessors - Given a basic block BB and a value V, see
> +/// if we can infer that the value is a known ConstantInt in any of our
> +/// predecessors.  If so, return the known the list of value and pred BB in the

return the known the list of value -> ?

> +  // conditional instruction lives in the current block.  If either condition
> +  // fail, this won't be a computable value anyway.

fail -> fails

> +  // predecessors and keeps track of the undefined inputs (which are represented
> +  // as a null dest in the PredToDestList.

Missing closing )

Ciao,

Duncan.



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