[llvm-commits] [llvm] r41489 - in /llvm/trunk: include/llvm/CodeGen/SelectionDAGISel.h lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp test/CodeGen/X86/memmove-0.ll test/CodeGen/X86/memmove-1.ll test/CodeGen/X86/memmove-2.ll test/CodeGen/X86/memmov

[Rafael Espindola]

> I'm not aware of any cases where memmove vs. memcpy matters before
> codegen currently. If it were done at the LLVM IR level, would it be
> too trivial to be in a pass by itself, or would you want to add it,
> along with an addRequired<AliasAnalysis>, to some existing pass?

Doing it at the LLVM IL would also benefit non-DAG codegens (like the CBE).

> Dan
>

Cheers,
-- 
Rafael Avila de Espindola

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