diff --git a/llvm/include/llvm/Support/CommandLine.h b/llvm/include/llvm/Support/CommandLine.h
--- a/llvm/include/llvm/Support/CommandLine.h
+++ b/llvm/include/llvm/Support/CommandLine.h
@@ -220,7 +220,7 @@
   static SubCommand &getTopLevel();
 
   // Get the special subcommand that can be used to put an option into all
-  // subcomands.
+  // subcommands.
   static SubCommand &getAll();
 
   void reset();
diff --git a/llvm/lib/Support/FileUtilities.cpp b/llvm/lib/Support/FileUtilities.cpp
--- a/llvm/lib/Support/FileUtilities.cpp
+++ b/llvm/lib/Support/FileUtilities.cpp
@@ -169,7 +169,7 @@
 
 /// DiffFilesWithTolerance - Compare the two files specified, returning 0 if the
 /// files match, 1 if they are different, and 2 if there is a file error.  This
-/// function differs from DiffFiles in that you can specify an absolete and
+/// function differs from DiffFiles in that you can specify an absolute and
 /// relative FP error that is allowed to exist.  If you specify a string to fill
 /// in for the error option, it will set the string to an error message if an
 /// error occurs, allowing the caller to distinguish between a failed diff and a
diff --git a/llvm/test/DebugInfo/macro_link.ll b/llvm/test/DebugInfo/macro_link.ll
--- a/llvm/test/DebugInfo/macro_link.ll
+++ b/llvm/test/DebugInfo/macro_link.ll
@@ -1,6 +1,6 @@
 ; RUN: llvm-link %s %s -S -o -| FileCheck %s
 
-; This test checks that DIMacro and DIMacroFile comaprison works correctly.
+; This test checks that DIMacro and DIMacroFile comparison works correctly.
 
 ; CHECK: !llvm.dbg.cu = !{[[CU1:![0-9]*]], [[CU2:![0-9]*]]}
 
diff --git a/llvm/tools/llvm-cfi-verify/llvm-cfi-verify.cpp b/llvm/tools/llvm-cfi-verify/llvm-cfi-verify.cpp
--- a/llvm/tools/llvm-cfi-verify/llvm-cfi-verify.cpp
+++ b/llvm/tools/llvm-cfi-verify/llvm-cfi-verify.cpp
@@ -7,7 +7,7 @@
 //===----------------------------------------------------------------------===//
 //
 // This tool verifies Control Flow Integrity (CFI) instrumentation by static
-// binary anaylsis. See the design document in /docs/CFIVerify.rst for more
+// binary analysis. See the design document in /docs/CFIVerify.rst for more
 // information.
 //
 // This tool is currently incomplete. It currently only does disassembly for