On Aug 1, 2010, at 9:56 PM, Zhongxing Xu <[email protected]> wrote:
> +/// Represent a region's offset within the top level base region.
> +class RegionOffset {
> + /// The base region.
> + const MemRegion *R;
> +
> + /// The bit offset within the base region. It shouldn't be negative.
> + uint64_t Offset;
Why is the offset guaranteed to be non-negative? Can't we construct
ElementRegions with a negative index?
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