-O[0-3] options should be also forwarded to opt and llc.

This will require implementing OptionPreprocessor to forbid invalid invocations
such as 'llvmc -O1 -O2'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84349 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed