fix typo in comment; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237962 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineCombiner.cpp b/lib/CodeGen/MachineCombiner.cpp
index ba5dbde6194ba0c6695949f50db4ba84519d2c81..a4bc77edb753a63472b834a300f7601e9174ce6f 100644 (file)
--- a/lib/CodeGen/MachineCombiner.cpp
+++ b/lib/CodeGen/MachineCombiner.cpp
@@ -366,7 +366,7 @@ bool MachineCombiner::combineInstructions(MachineBasicBlock *MBB) {
           continue;
         // Substitute when we optimize for codesize and the new sequence has
         // fewer instructions OR
-        // the new sequence neither lenghten the critical path nor increases
+        // the new sequence neither lengthens the critical path nor increases
         // resource pressure.
         if (doSubstitute(InsInstrs.size(), DelInstrs.size()) ||
             (preservesCriticalPathLen(MBB, &MI, BlockTrace, InsInstrs,