Update this to match the documentation in the GC doc and to match actual

practice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26766 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-03-14 20:02:51 +00:00
parent 840064e605
commit 80626e947f

View File

@ -2917,7 +2917,7 @@ the runtime to find the pointer at GC safe points.
<h5>Syntax:</h5>
<pre>
declare sbyte* %llvm.gcread(sbyte** %Ptr)
declare sbyte* %llvm.gcread(sbyte* %ObjPtr, sbyte** %Ptr)
</pre>
<h5>Overview:</h5>
@ -2928,8 +2928,10 @@ barriers.</p>
<h5>Arguments:</h5>
<p>The argument is the address to read from, which should be an address
allocated from the garbage collector.</p>
<p>The second argument is the address to read from, which should be an address
allocated from the garbage collector. The first object is a pointer to the
start of the referenced object, if needed by the language runtime (otherwise
null).</p>
<h5>Semantics:</h5>
@ -2950,7 +2952,7 @@ garbage collector runtime, as needed.</p>
<h5>Syntax:</h5>
<pre>
declare void %llvm.gcwrite(sbyte* %P1, sbyte** %P2)
declare void %llvm.gcwrite(sbyte* %P1, sbyte* %Obj, sbyte** %P2)
</pre>
<h5>Overview:</h5>
@ -2961,8 +2963,10 @@ barriers (such as generational or reference counting collectors).</p>
<h5>Arguments:</h5>
<p>The first argument is the reference to store, and the second is the heap
location to store to.</p>
<p>The first argument is the reference to store, the second is the start of the
object to store it to, and the third is the address of the field of Obj to
store to. If the runtime does not require a pointer to the object, Obj may be
null.</p>
<h5>Semantics:</h5>