[llvm-dev] How to the get the PHI Nodes in a basic block?

[Alberto Barbaro via llvm-dev]

Thanks for the answers. I'll try it tomorrow.

Alberto

On Thu, Jun 27, 2019, 21:13 Krzysztof Parzyszek <kparzysz at quicinc.com>
wrote:

> BasicBlock::phis() gives you the range of PHI instructions in that block.
>
>
>
> --
>
> Krzysztof Parzyszek  kparzysz at quicinc.com   LLVM compiler development
>
>
>
> *From:* llvm-dev <llvm-dev-bounces at lists.llvm.org> *On Behalf Of *Alberto
> Barbaro via llvm-dev
> *Sent:* Thursday, June 27, 2019 1:07 PM
> *To:* llvm-dev <llvm-dev at lists.llvm.org>
> *Subject:* [EXT] [llvm-dev] How to the get the PHI Nodes in a basic block?
>
>
>
> Hi all,
>
> I have an Instruction object I from where I can correctly obtain the
> parent doing I.getParent(). Now I would like to understand how to obtain
> the PHI Nodes in that block. Do you suggest to iterate all over the
> instructions since the PHI nodes are always at the beginning or should I
> use another approach? What the best way to iterate over the instructions in
> a block?
>
>
>
> Thanks
>
> Alberto
>
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