[ARM][MVE] Tail-predication: use unsigned SCEV ranges for tripcount
authorSjoerd Meijer <sjoerd.meijer@arm.com>
Tue, 15 Sep 2020 12:10:30 +0000 (13:10 +0100)
committerSjoerd Meijer <sjoerd.meijer@arm.com>
Tue, 15 Sep 2020 12:23:02 +0000 (13:23 +0100)
commit635b87511ec3d6d2fa8f65a3ed1876f01367584e
treeb79f282315035e5c95691f7f388c84049f140f07
parentaa8be5aeead7ad894270aa025e7165169c1a54d2
[ARM][MVE] Tail-predication: use unsigned SCEV ranges for tripcount

Loop tripcount expressions have a positive range, so use unsigned SCEV ranges
for them.

Differential Revision: https://reviews.llvm.org/D87608
llvm/lib/Target/ARM/MVETailPredication.cpp