[tablegen] !strconcat accepts more than two arguments but this wasn't documented or tested.
Summary:
* Updated the documentation
* Added a test for >2 arguments
* Added a check for the lexical concatenation
* Made the existing test a bit stricter.
Reviewers: t.p.northover
Reviewed By: t.p.northover
Subscribers: t.p.northover, llvm-commits
Differential Revision: http://reviews.llvm.org/D3485
llvm-svn: 207865
diff --git a/llvm/docs/TableGen/LangIntro.rst b/llvm/docs/TableGen/LangIntro.rst
index f139f35..5b6094f 100644
--- a/llvm/docs/TableGen/LangIntro.rst
+++ b/llvm/docs/TableGen/LangIntro.rst
@@ -160,8 +160,10 @@
remaining elements in the list may be arbitrary other values, including
nested ```dag``' values.
-``!strconcat(a, b)``
+``!strconcat(a, b, ...)``
A string value that is the result of concatenating the 'a' and 'b' strings.
+ More than two arguments are accepted with the result being the concatenation
+ of all the strings given.
``str1#str2``
"#" (paste) is a shorthand for !strconcat. It may concatenate things that