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[tablegen] !strconcat accepts more than two arguments but this wasn't documented or tested.

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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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207865 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Sanders
2014-05-02 19:25:52 +00:00
parent ae8904c582
commit 1913eeb385
2 changed files with 16 additions and 2 deletions
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4
docs/TableGen/LangIntro.rst
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@@ -160,8 +160,10 @@ supported include:
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