comment typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164180 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveRegMatrix.h b/lib/CodeGen/LiveRegMatrix.h
index b3e2d7f..8f22c24 100644
--- a/lib/CodeGen/LiveRegMatrix.h
+++ b/lib/CodeGen/LiveRegMatrix.h
@@ -15,7 +15,7 @@
// Register units are defined in MCRegisterInfo.h, they represent the smallest
// unit of interference when dealing with overlapping physical registers. The
// LiveRegMatrix is represented as a LiveIntervalUnion per register unit. When
-// a virtual register is assigned to a physicval register, the live range for
+// a virtual register is assigned to a physical register, the live range for
// the virtual register is inserted into the LiveIntervalUnion for each regunit
// in the physreg.
//