[llvm-commits] [llvm] r82076 - in /llvm/trunk: include/llvm/LinkAllPasses.h include/llvm/Transforms/Scalar.h lib/CodeGen/LLVMTargetMachine.cpp lib/Transforms/Scalar/CodeGenLICM.cpp

[Nick Lewycky]

2009/9/16 Dan Gohman <gohman at apple.com>

> +void CodeGenLICM::getAnalysisUsage(AnalysisUsage &AU) const {
> +  // This pass preserves just about everything. List some popular things
> here.
> +  AU.setPreservesCFG();
> +  AU.addPreservedID(LoopSimplifyID);
> +  AU.addPreserved<LoopInfo>();
> +  AU.addPreserved<AliasAnalysis>();
>


> +  AU.addPreserved<DominanceFrontier>();
> +  AU.addPreserved<DominatorTree>();
>

These two are covered by preserving the CFG.


> +  AU.addPreserved<ScalarEvolution>();
> +  AU.addPreserved<IVUsers>();
> +
> +  // Hoisting requires a loop preheader.
> +  AU.addRequiredID(LoopSimplifyID);
> +}
>
>
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