On Thu, Nov 20, 2014 at 4:21 AM, Patrick Palka wrote:
> VRP may simplify a conditional like i <= 5 to i == 5 if it is known that
> the lower bound of i's range is 5, e.g. [5, +INF]. But if the upper
> bound of i's range is also overflow infinity, i.e. [5, +INF(OVF)] then
> this transformation is
On Wed, Nov 19, 2014 at 10:21 PM, Patrick Palka wrote:
> VRP may simplify a conditional like i <= 5 to i == 5 if it is known that
> the lower bound of i's range is 5, e.g. [5, +INF]. But if the upper
> bound of i's range is also overflow infinity, i.e. [5, +INF(OVF)] then
> this transformation is
VRP may simplify a conditional like i <= 5 to i == 5 if it is known that
the lower bound of i's range is 5, e.g. [5, +INF]. But if the upper
bound of i's range is also overflow infinity, i.e. [5, +INF(OVF)] then
this transformation is only valid if -fstrict-overflow is in effect.
Likewise for tran
