[test] add coverage for a SCEVUnknown scoped value in isSCEVExprNeverPoison
authorPhilip Reames <listmail@philipreames.com>
Fri, 1 Oct 2021 23:39:23 +0000 (16:39 -0700)
committerPhilip Reames <listmail@philipreames.com>
Fri, 1 Oct 2021 23:39:23 +0000 (16:39 -0700)
commit91dfc0840ddf69778df4717dfbaf674170acc541
treec394f90cc0826a19e237feb9e4143a72c46e3658
parent2ca8a3f2132ec7d46151b4553ee166c4e635fd70
[test] add coverage for a SCEVUnknown scoped value in isSCEVExprNeverPoison

Note that a couple of the "negative" tests also end up showing miscompiles due to D109845 which is not yet fixed.
llvm/test/Analysis/ScalarEvolution/flags-from-poison.ll