[LLVMdev] Optimizer to remove duplicate loads?

[edA-qa mort-ora-y]

On 24/02/13 09:02, Duncan Sands wrote:
> in order to do this, the optimizers need to know that the call to
> @trace_integer does not modify the contents of @pt.  Is it logically
> possible for them to deduce this?  If not, no optimizer can do what
> you want.

Yeah, I thought about that and then realized in this context they could
not (it's an external function). Is there some attribute I can mark the
functions with however that would allow the optimizers to understand
it's safe not to reload?

-- 
edA-qa mort-ora-y
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