Fix typos. NFC

llvm-svn: 341740

include/llvm/MC/MCParser/MCAsmLexer.h

@@ -77,7 +77,7 @@ public:
 
   /// Consume the next token from the input stream and return it.
   ///
-  /// The lexer will continuosly return the end-of-file token once the end of
+  /// The lexer will continuously return the end-of-file token once the end of
   /// the main input file has been reached.
   const AsmToken &Lex() {
     assert(!CurTok.empty());

lib/CodeGen/ImplicitNullChecks.cpp

@@ -90,7 +90,7 @@ class ImplicitNullChecks : public MachineFunctionPass {
   /// A data type for representing the result computed by \c
   /// computeDependence.  States whether it is okay to reorder the
   /// instruction passed to \c computeDependence with at most one
-  /// depednency.
+  /// dependency.
   struct DependenceResult {
     /// Can we actually re-order \p MI with \p Insts (see \c
     /// computeDependence).

lib/MC/MCContext.cpp

@@ -592,7 +592,7 @@ bool MCContext::isValidDwarfFileNumber(unsigned FileNumber, unsigned CUID) {
   return !LineTable.getMCDwarfFiles()[FileNumber].Name.empty();
 }
 
-/// Remove empty sections from SectionStartEndSyms, to avoid generating
+/// Remove empty sections from SectionsForRanges, to avoid generating
 /// useless debug info for them.
 void MCContext::finalizeDwarfSections(MCStreamer &MCOS) {
   SectionsForRanges.remove_if(