[Hexagon] Explicitly make vector subregs have unknown size and offset
authorKrzysztof Parzyszek <kparzysz@quicinc.com>
Fri, 26 May 2023 20:29:13 +0000 (13:29 -0700)
committerKrzysztof Parzyszek <kparzysz@quicinc.com>
Sun, 28 May 2023 15:32:43 +0000 (08:32 -0700)
commit8a4e3675d88ecd0413d89dea1e3578a4696b05da
treecfc3f957d21ea61f1c6c5ef41e7c3dcfc3439b84
parentf225471c68881d31835a06c6b2f2b40bdaa287d5
[Hexagon] Explicitly make vector subregs have unknown size and offset

Vector length depends on the HVX mode, so make the size and offset unknown
instead using values for some specific mode.
llvm/lib/Target/Hexagon/HexagonRegisterInfo.td