[LLVMdev] Metadata in the backend

[Alon Shaltiel (ashaltie)]

Hi all,

I'm looking for a way to insert metadata into an instruction/function/basic-block in the IR level, and afterwards reading it in the backend (ARM to be exact).



So my questions are:

1.       Does/can the metadata in the IR survive the code-generator in some way?

2.       Is there a general of 'communication' between the optimizer and the backend?



Thanks!

Alon
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