[PATCH] D38128: Handle COPYs of physregs better (regalloc hints)

[Tom Stellard via Phabricator via llvm-commits]

tstellar added a comment.

I think the changes to the multilevel-break.ll test are OK.  The register usage is increased by 2, but this won't have any impact on performance for this test.  Here is a patch to make this test pass with your changes: https://reviews.llvm.org/P8046


https://reviews.llvm.org/D38128