[Local] Make DoesKMove required for combineMetadata.
This patch makes the DoesKMove argument non-optional, to force people
to think about it. Most cases where it is false are either code hoisting
or code sinking, where we pick one instruction from a set of
equal instructions among different code paths.
Reviewers: dberlin, nlopes, efriedma, davide
Reviewed By: efriedma
Differential Revision: https://reviews.llvm.org/D47475
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340606 91177308-0d34-0410-b5e6-96231b3b80d8
14 files changed