[LLVMdev] Clang question

[Ryan Taylor]

Clang is inserting an llvm.memcpy function call into my program where it
does not exist (the code never calls memcpy), is there a particular reason
for this? It also looks like it's inserting two other artificial function
calls, something to do with llvm.lifetime.start and llvm.lifetime.end, what
are these functions and why are they being inserted artificially?

Thanks.
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