if (Fn.hasFnAttribute(Attribute::OptimizeNone))
NewOptLevel = CodeGenOpt::None;
OptLevelChanger OLC(*this, NewOptLevel);
+ errs() << "OptLevel is -O" << OptLevel << "\n";
TII = MF->getSubtarget().getInstrInfo();
TLI = MF->getSubtarget().getTargetLowering();