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Diffstat (limited to 'docs/LangRef.html')
-rw-r--r-- | docs/LangRef.html | 44 |
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diff --git a/docs/LangRef.html b/docs/LangRef.html index 2b81279..9cb7e63 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -105,7 +105,6 @@ <li><a href="#tbaa">'<tt>tbaa</tt>' Metadata</a></li> <li><a href="#fpmath">'<tt>fpmath</tt>' Metadata</a></li> <li><a href="#range">'<tt>range</tt>' Metadata</a></li> - <li><a href="#alloc">'<tt>alloc</tt>' Metadata</a></li> </ol> </li> </ol> @@ -3078,49 +3077,6 @@ call void @llvm.dbg.value(metadata !24, i64 0, metadata !25) </pre> </div> </div> - -<!-- _______________________________________________________________________ --> -<h4> - <a name="alloc">'<tt>alloc</tt>' Metadata</a> -</h4> - -<div> - -<p><tt>alloc</tt> metadata may be attached to any instruction returning a - pointer. It can be used to express the size and offset relative to the - beginning of the buffer pointed by.</p> - -<blockquote> - -<p>The first parameter is a function that returns the size of the buffer, and - the second (optional) parameter is a function that returns the offset from - the beginning of the buffer. If the second parameter is not present or null, - the offset is assumed to be null. Both functions must be either readonly or - readnone.</p> -<p><tt>alloc</tt> metadata can have additional parameters, which are passed to - the size and offset functions when they are evaluated. Therefore the size and - offset functions must have the same signature.</p> - -</blockquote> - - -<p>Examples:</p> -<div class="doc_code"> -<pre> - ; size of buffer allocated by this call is my_malloc_size(%s), and offset=0 - %a = call my_malloc(%s), !alloc !{i32 (i32)* @my_malloc_size, null, i32 %s} - - ; size of the buffer pointed by *ptr is size(%x), and offset=offset(%x) - %b = load i8** %foo, !alloc !{i32 (i32)* @size, i32 (i32)* @offset, i32 %x} - - ; size of buffer allocated by this call is foo_size(), and offset=0 - %a = call alloc_foo(%s), !alloc !0 -... -!0 = metadata {i32 ()* @foo_size} -</pre> -</div> -</div> - </div> </div> |