[LLVMdev] LLVM Graph Representation

Andre Tavares andrelct at dcc.ufmg.br
Mon Jul 6 14:25:36 PDT 2009

Why not use SmallPtrSet instead of std::vector? Isn't there something in 
LLVM I can use?

Eli Friedman wrote:
> On Mon, Jul 6, 2009 at 12:32 PM, Andre Tavares<andrelct at dcc.ufmg.br> wrote:
>> I was thinking of a list of adjacency, implemented with a
>> map<Instruction, Set<Node>>. The node would have an Instruction and a
>> value. I opted for map and set, because I will create the graph once and
>> will search on it a bunch of times, and will never remove a node.
> Something like your proposal (I would suggest more specifically
> llvm::DenseMap<Instruction*, std::vector<node> >) should work
> reasonably well.  It's not particularly efficient, though, so if you
> can avoid building an explicit graph, I'd suggest doing that.
> -Eli
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Andre Tavares
Master Student in Computer Science - UFMG - Brasil

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