[LLVMdev] optimization in presence of floating point

[Cameron McInally]

On Thu, Apr 18, 2013 at 3:37 PM, Reed Kotler <rkotler at mips.com> wrote:

> For reordering issues, it would be useful for llvm ir to provide various
> ways to control reordering.
>
> for example, a wrapper that indicates that other operations cannot be
> moved inside the wrapper.
>


This sounds like a membarrier.


> or a wrapper that indicates that the IR in it must be processed
> canonically.
>

Or, maybe a volatile-like flag that only exists within a certain scope.

-Cameron
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