llvm dev - May 2015 - [LLVMdev] [VIRUS PM SCAN ERROR] Getting all users of a metadata

Hello everyone,

I was wondering is there a way to access all the IR instructions that have
a specific metadata (which I create) during a link time optimization pass
rather than iterating over all the basic blocks? I'm trying to compile a
few MLOC and I wanted to optimize this process.

I'm using Clang 3.7, so Metadata is not a subclass of Value anymore. I was
also wondering what is a use case for TrackingMDRef? Could it be used to
achieve this goal?

Thanks,
Rami
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