Fix typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191964 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 886c7f1..dd22a47 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -545,7 +545,7 @@
       if (!MI)
         continue;
 
-      // Check if any of the reguints are live beyond the end of RI. That could
+      // Check if any of the regunits are live beyond the end of RI. That could
       // happen when a physreg is defined as a copy of a virtreg:
       //
       //   %EAX = COPY %vreg5