Correct implementation of -verify-machineinstrs such that it's still overridable for EXPENSIVE_CHECKS

-verify-machineinstrs was implemented as a simple bool. As a result, the
'VerifyMachineCode == cl::BOU_UNSET' used by EXPENSIVE_CHECKS to make it on by
default but possible to disable didn't work as intended. Changed
-verify-machineinstrs to a boolOrDefault to correct this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@343696 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed