[LLVMdev] function calls

[John Criswell]

On 10/9/12 1:19 PM, apala guha wrote:
> Hi,
>
> I am seeing some strange function calls in the LLVM IR, such as, 'call 
> llvm.lifetime.start'. What are these functions and why are they 
> appearing in the IR?

These are LLVM intrinsics that provide information to the optimization 
passes.  See the Language reference manual 
(http://llvm.org/docs/LangRef.html) for a description of what these 
intrinsics do.

-- John T.

>
> Thanks.
> -Apala
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev