diff --git a/llvm/include/llvm/Analysis/LoopAnalysisManager.h b/llvm/include/llvm/Analysis/LoopAnalysisManager.h
--- a/llvm/include/llvm/Analysis/LoopAnalysisManager.h
+++ b/llvm/include/llvm/Analysis/LoopAnalysisManager.h
@@ -90,7 +90,7 @@
   Result(Result &&Arg)
       : InnerAM(std::move(Arg.InnerAM)), LI(Arg.LI), MSSAUsed(Arg.MSSAUsed) {
     // We have to null out the analysis manager in the moved-from state
-    // because we are taking ownership of the responsibilty to clear the
+    // because we are taking ownership of the responsibility to clear the
     // analysis state.
     Arg.InnerAM = nullptr;
   }
@@ -99,7 +99,7 @@
     LI = RHS.LI;
     MSSAUsed = RHS.MSSAUsed;
     // We have to null out the analysis manager in the moved-from state
-    // because we are taking ownership of the responsibilty to clear the
+    // because we are taking ownership of the responsibility to clear the
     // analysis state.
     RHS.InnerAM = nullptr;
     return *this;
diff --git a/llvm/lib/Analysis/IRSimilarityIdentifier.cpp b/llvm/lib/Analysis/IRSimilarityIdentifier.cpp
--- a/llvm/lib/Analysis/IRSimilarityIdentifier.cpp
+++ b/llvm/lib/Analysis/IRSimilarityIdentifier.cpp
@@ -55,7 +55,7 @@
 void IRInstructionData::initializeInstruction() {
   // We check for whether we have a comparison instruction.  If it is, we
   // find the "less than" version of the predicate for consistency for
-  // comparison instructions throught the program.
+  // comparison instructions throughout the program.
   if (CmpInst *C = dyn_cast<CmpInst>(Inst)) {
     CmpInst::Predicate Predicate = predicateForConsistency(C);
     if (Predicate != C->getPredicate())