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authorPeter Collingbourne <peter@pcc.me.uk>2011-04-15 00:35:48 +0000
committerPeter Collingbourne <peter@pcc.me.uk>2011-04-15 00:35:48 +0000
commitf111d935722ed488144600cea5ed03a6b5069e8f (patch)
treeb9890fee5ac2d94380e448777c0a49223fbc578d /docs
parent7e7fbd05a5dfdb0addfc8b5af2fcbed8c7b5fb87 (diff)
C1X: implement generic selections
As an extension, generic selection support has been added for all supported languages. The syntax is the same as for C1X. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129554 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
-rw-r--r--docs/LanguageExtensions.html15
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/LanguageExtensions.html b/docs/LanguageExtensions.html
index b16c38c768..70c0ff2834 100644
--- a/docs/LanguageExtensions.html
+++ b/docs/LanguageExtensions.html
@@ -52,6 +52,7 @@ td {
<li><a href="#checking_type_traits">Checks for Type Traits</a></li>
<li><a href="#blocks">Blocks</a></li>
<li><a href="#overloading-in-c">Function Overloading in C</a></li>
+<li><a href="#generic-selections">Generic Selections</a></li>
<li><a href="#builtins">Builtin Functions</a>
<ul>
<li><a href="#__builtin_shufflevector">__builtin_shufflevector</a></li>
@@ -604,6 +605,20 @@ caveats to this use of name mangling:</p>
<!-- ======================================================================= -->
+<h2 id="generic-selections">Generic Selections</h2>
+<!-- ======================================================================= -->
+
+<p>The C1X generic selection expression is available in all languages
+supported by Clang. The syntax is the same as that given in the C1X draft
+standard.</p>
+
+<p>In C, type compatibility is decided according to the rules given in the
+appropriate standard, but in C++, which lacks the type compatibility rules
+used in C, types are considered compatible only if they are equivalent.</p>
+
+<p>Query for this feature with __has_feature(generic_selections).</p>
+
+<!-- ======================================================================= -->
<h2 id="builtins">Builtin Functions</h2>
<!-- ======================================================================= -->