[llvm-mca] Check for inconsistencies when constructing instruction descriptors.

This should help with catching inconsistent definitions of instructions with
zero opcodes, which also declare to consume scheduler/pipeline resources.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343766 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed