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This looks good to me, though sign-off from a maintainer of tablegen
may be necessary.<br>
<br>
This should be set for all barrier instructions in
IntrinsicsNVVM.td.<br>
<br>
<div class="moz-cite-prefix">On 03/17/2014 05:09 PM, Eli Bendersky
wrote:<br>
</div>
<blockquote
cite="mid:CACLQwhEV-GkbLuk8+GAFqoRBYuHJcwKqPuq0g2gA5B_J8pnMJw@mail.gmail.com"
type="cite">
<div dir="ltr">Hello,
<div><br>
</div>
<div>The "noduplicate" function attribute exists to prevent
certain optimizations from duplicating calls to the function.
This is important on platforms where certain function call
duplications are unsafe (for example execution barriers for
CUDA and OpenCL).</div>
<div><br>
</div>
<div>This patch make it possible to specify intrinsics as
"noduplicate" and translates that to the appropriate function
attribute. It also uses it for the int_cuda_syncthreads
intrinsics. Tests are also added.</div>
<div><br>
</div>
<div>Justin: for now I just added it for the intrinsic directly
visible from CUDA source. Should this attribute be added to
all int_nvvm_barrier0* intrinsics as well?</div>
<div><br>
</div>
<div>PTAL</div>
<div>
<br>
</div>
<div>Eli</div>
<div><br>
</div>
<div><br>
</div>
<div><br>
</div>
</div>
</blockquote>
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