[llvm] Proofread TableGen/ProgRef.rst (llvm#161629)

Author: kazutakahirata

llvm/docs/TableGen/ProgRef.rst

@@ -64,7 +64,7 @@ Classes and concrete records have a unique *name*, either chosen by
 the programmer or generated by TableGen. Associated with that name
 is a list of *fields* with values and an optional list of *parent classes*
 (sometimes called base or super classes). The fields are the primary data that
-backends will process. Note that TableGen assigns no meanings to fields; the
+backends will process. Note that TableGen assigns no meaning to fields; the
 meanings are entirely up to the backends and the programs that incorporate
 the output of those backends.
 
@@ -243,7 +243,7 @@ Include files
 -------------
 
 TableGen has an include mechanism. The content of the included file
-lexically replaces the ``include`` directive and is then parsed as if it was
+lexically replaces the ``include`` directive and is then parsed as if it were
 originally in the main file.
 
 .. productionlist::
@@ -670,17 +670,17 @@ name of a multiclass.
 The argument values can be specified in two forms:
 
 * Positional argument (``value``). The value is assigned to the argument in the
-  corresponding position. For ``Foo<a0, a1>``, ``a0`` will be assigned to first
-  argument and ``a1`` will be assigned to second argument.
+  corresponding position. For ``Foo<a0, a1>``, ``a0`` will be assigned to the first
+  argument and ``a1`` will be assigned to the second argument.
 * Named argument (``name=value``). The value is assigned to the argument with
   the specified name. For ``Foo<a=a0, b=a1>``, ``a0`` will be assigned to the
   argument with name ``a`` and ``a1`` will be assigned to the argument with
   name ``b``.
 
-Required arguments can also be specified as named argument.
+Required arguments can also be specified as a named argument.
 
 Note that the argument can only be specified once regardless of the way (named
-or positional) to specify and positional arguments should be put before named
+or positional) to specify and positional arguments should precede named
 arguments.
 
 .. productionlist::
@@ -817,7 +817,7 @@ type. It provides a single field, ``Value``, which holds a 3-bit number. Its
 template argument, ``val``, is used to set the ``Value`` field.  Each of the
 eight records is defined with ``FPFormat`` as its parent class. The
 enumeration value is passed in angle brackets as the template argument. Each
-record will inherent the ``Value`` field with the appropriate enumeration
+record will inherit the ``Value`` field with the appropriate enumeration
 value.
 
 Here is a more complex example of classes with template arguments. First, we
@@ -1308,7 +1308,7 @@ with ``F0``, ``F1``, ``F2``, and ``F3``.
 -------------------------------------
 
 A ``dump`` statement prints the input string to standard error
-output. It is intended for debugging purpose.
+output. It is intended for debugging purposes.
 
 * At top level, the message is printed immediately.
 
@@ -1727,7 +1727,7 @@ and non-0 as true.
 
 ``!div(``\ *a*\ ``,`` *b*\ ``)``
     This operator performs signed division of *a* by *b*, and produces the quotient.
-    Division by 0 produces an error. Division of INT64_MIN by -1 produces an error.
+    Division by 0 produces an error. Division of ``INT64_MIN`` by -1 produces an error.
 
 ``!empty(``\ *a*\ ``)``
     This operator produces 1 if the string, list, or DAG *a* is empty; 0 otherwise.
@@ -1914,7 +1914,7 @@ and non-0 as true.
 ``!or(``\ *a*\ ``,`` *b*\ ``, ...)``
     This operator does a bitwise OR on *a*, *b*, etc., and produces the
     result. A logical OR can be performed if all the arguments are either
-    0 or 1. This operator is short-circuit to -1 (all ones) the left-most
+    0 or 1. This operator is short-circuit to -1 (all ones) when the left-most
     operand is -1.
 
 ``!range([``\ *start*\ ``,]`` *end*\ ``[,``\ *step*\ ``])``
@@ -1937,7 +1937,7 @@ and non-0 as true.
     Equivalent to ``!range(0, !size(list))``.
 
 ``!repr(``\ *value*\ ``)``
-    Represents *value* as a string. String format for the value is not
+    Represents *value* as a string. The string format for the value is not
     guaranteed to be stable. Intended for debugging purposes only.
 
 ``!setdagarg(``\ *dag*\ ``,``\ *key*\ ``,``\ *arg*\ ``)``