Update llvm/lib/CodeGen/MachineInstrBundle.cpp

Co-authored-by: Orlando Cazalet-Hyams <[email protected]>

Author: quic-santdas

llvm/lib/CodeGen/MachineInstrBundle.cpp

@@ -83,9 +83,10 @@ llvm::createUnpackMachineBundles(
   return new UnpackMachineBundles(std::move(Ftor));
 }
 
-/// Return the first good DebugLoc that has line number information, given a
+/// Return the first DebugLoc that has line number information, given a
 /// range of instructions. The search range is from FirstMI to LastMI
-/// (exclusive). If no such DebugLoc is found, get the one with DILocation
+/// (exclusive). Otherwise return the first DILocation or an empty location if
+/// there are none.
 static DebugLoc getDebugLoc(MachineBasicBlock::instr_iterator FirstMI,
                             MachineBasicBlock::instr_iterator LastMI) {
   DebugLoc DL;