/// \brief Following the use-def chain, get the next available source
/// for the tracked value.
- /// \return A ValueTrackerResult containing the a set of registers
+ /// \return A ValueTrackerResult containing a set of registers
/// and sub registers with tracked values. A ValueTrackerResult with
/// an empty set of registers means no source was found.
ValueTrackerResult getNextSource();
Res.setInst(Def);
// If we can still move up in the use-def chain, move to the next
- // defintion.
+ // definition.
if (!TargetRegisterInfo::isPhysicalRegister(Reg) && OneRegSrc) {
Def = MRI.getVRegDef(Reg);
DefIdx = MRI.def_begin(Reg).getOperandNo();