comment typos

Author: arsenm

llvm/utils/TableGen/Common/CodeGenTarget.h

@@ -156,8 +156,8 @@ class CodeGenTarget {
   /// it's a RegisterOperand, or a direct RegisterClass reference), return the
   /// Record for that RegisterClass.
   ///
-  /// AssumeRegClassByHwModeIsDefault is a hack which should be removed. It's
-  /// only happens to be adequate for the current GlobalISel usage.
+  /// AssumeRegClassByHwModeIsDefault is a hack which should be removed. It only
+  /// happens to be adequate for the current GlobalISel usage.
   const Record *
   getInitValueAsRegClass(const Init *V,
                          bool AssumeRegClassByHwModeIsDefault = false) const;

llvm/utils/TableGen/Common/InstructionEncoding.h

@@ -138,7 +138,7 @@ class InstructionEncoding {
   /// Returns information about the operands' contribution to this encoding.
   ArrayRef<OperandInfo> getOperands() const { return Operands; }
 
-  /// \returns the effective value of the DecoderMethod field.t If DecoderMethod
+  /// \returns the effective value of the DecoderMethod field. If DecoderMethod
   /// is an explictly set value, return false for second.
   static std::pair<std::string, bool>
   findOperandDecoderMethod(const CodeGenTarget &Target, const Record *Record);