tree d1f058a4d8e11db4b79b90351cfc435d129d0450
parent 0d49c3eaa44ad4c3fd3416ba023feb86e9e594a5
author Fangrui Song <i@maskray.me> 1659651411 -0700
committer Copybara-Service <copybara-worker@google.com> 1659651789 -0700

[TTI] Change new getVectorInstrCost overload to use const reference after D131114

A const reference is preferred over a non-null const pointer.
`Type *` is kept as is to match the other overload.

Reviewed By: davidxl

Differential Revision: https://reviews.llvm.org/D131197

GitOrigin-RevId: 7d6017fd311280937726e565655fdd5a5c4d0e4d