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Diffstat (limited to 'docs/GarbageCollection.html')
| -rw-r--r-- | docs/GarbageCollection.html | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/docs/GarbageCollection.html b/docs/GarbageCollection.html index 1508bcf223..ccf9162600 100644 --- a/docs/GarbageCollection.html +++ b/docs/GarbageCollection.html @@ -525,15 +525,14 @@ for completeness. In this snippet, <tt>%object</tt> is the object pointer, and ;; Compute the derived pointer. %derived = getelementptr %object, i32 0, i32 2, i32 %n</pre></blockquote> +<p>LLVM does not enforce this relationship between the object and derived +pointer (although a <a href="#plugin">plugin</a> might). However, it would be +an unusual collector that violated it.</p> + <p>The use of these intrinsics is naturally optional if the target GC does -require the corresponding barrier. If so, the GC plugin will replace the -intrinsic calls with the corresponding <tt>load</tt> or <tt>store</tt> -instruction if they are used.</p> - -<p>LLVM does not enforce any particular relationship between the object and -derived pointer (although a <a href="#plugin">plugin</a> might). However, it -would be unusual that the derived pointer not be a <tt>getelementptr</tt> of the -object pointer.</p> +require the corresponding barrier. Such a GC plugin will replace the intrinsic +calls with the corresponding <tt>load</tt> or <tt>store</tt> instruction if they +are used.</p> </div> |