Fix a typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77369 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/MachineInstr.cpp

@@ -889,7 +889,7 @@ bool MachineInstr::isSafeToMove(const TargetInstrInfo *TII,
   // load.
   if (TID->mayLoad() && !TII->isInvariantLoad(this))
     // Otherwise, this is a real load.  If there is a store between the load and
-    // end of block, or if the laod is volatile, we can't move it.
+    // end of block, or if the load is volatile, we can't move it.
     return !SawStore && !hasVolatileMemoryRef();
 
   return true;