Revert "Revert "[misched] Extend scheduler to handle unsupported features""

This reverts commit r273565.

This was an over-eager revert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273658 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed