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<title>TableGen Fundamentals</title>
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key feature of TableGen is that it allows the end-user to define the
abstractions they prefer to use when describing their information.</p>
+<p>Each def record has a special entry called "NAME." This is the
+name of the def ("ADD32rr" above). In the general case def names can
+be formed from various kinds of string processing expressions and NAME
+resolves to the final value obtained after resolving all of those
+expressions. The user may refer to NAME anywhere she desires to use
+the ultimate name of the def. NAME should not be defined anywhere
+else in user code to avoid conflict problems.</p>
+
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<dt><tt>!strconcat(a, b)</tt></dt>
<dd>A string value that is the result of concatenating the 'a' and 'b'
strings.</dd>
+<dt><tt>str1#str2</tt></dt>
+ <dd>"#" (paste) is a shorthand for !strconcat. It may concatenate
+ things that are not quoted strings, in which case an implicit
+ !cast<string> is done on the operand of the paste.</dd>
<dt><tt>!cast<type>(a)</tt></dt>
<dd>A symbol of type <em>type</em> obtained by looking up the string 'a' in
the symbol table. If the type of 'a' does not match <em>type</em>, TableGen
projects / oota-llvm.git / blobdiff