gcroot must take concrete types, not arbitrary types.

clean up intrinsic descriptions in langref a bit.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42194 91177308-0d34-0410-b5e6-96231b3b80d8

docs/GarbageCollection.html

@@ -159,7 +159,7 @@ interface that front-end authors should generate code for.
 <div class="doc_text">
 
 <div class="doc_code"><tt>
-  void %llvm.gcroot(&lt;ty&gt;** %ptrloc, &lt;ty2&gt;* %metadata)
+  void %llvm.gcroot(i8** %ptrloc, i8* %metadata)
 </tt></div>
 
 <p>
@@ -200,7 +200,8 @@ CodeBlock:
    ;; Initialize the object, telling LLVM that it is now live.
    ;; Java has type-tags on objects, so it doesn't need any
    ;; metadata.
-   call void %llvm.gcroot(%Object** %X, sbyte* null)
+   %tmp = bitcast %Object** %X to i8**
+   call void %llvm.gcroot(i8** %tmp, i8* null)
    ...
 
    ;; As the pointer goes out of scope, store a null value into
@@ -219,7 +220,7 @@ CodeBlock:
 <div class="doc_text">
 
 <div class="doc_code"><tt>
-  sbyte *%llvm_gc_allocate(unsigned %Size)
+  void *%llvm_gc_allocate(unsigned %Size)
 </tt></div>
 
 <p>The <tt>llvm_gc_allocate</tt> function is a global function defined by the
@@ -236,8 +237,8 @@ zeroed-out block of memory of the appropriate size.</p>
 <div class="doc_text">
 
 <div class="doc_code"><tt>
-  sbyte *%llvm.gcread(sbyte *, sbyte **)<br>
-  void %llvm.gcwrite(sbyte*, sbyte*, sbyte**)
+  i8 *%llvm.gcread(i8 *, i8 **)<br>
+  void %llvm.gcwrite(i8*, i8*, i8**)
 </tt></div>
 
 <p>Several of the more interesting garbage collectors (e.g., generational

docs/LangRef.html

@@ -3923,7 +3923,7 @@ href="GarbageCollection.html">Accurate Garbage Collection with LLVM</a>.
 <h5>Syntax:</h5>
 
 <pre>
-  declare void @llvm.gcroot(&lt;ty&gt;** %ptrloc, &lt;ty2&gt;* %metadata)
+  declare void @llvm.gcroot(i8** %ptrloc, i8* %metadata)
 </pre>
 
 <h5>Overview:</h5>
@@ -4194,8 +4194,7 @@ See the description for <a href="#int_stacksave"><tt>llvm.stacksave</tt></a>.
 
 <h5>Syntax:</h5>
 <pre>
-  declare void @llvm.prefetch(i8  * &lt;address&gt;,
-                                i32 &lt;rw&gt;, i32 &lt;locality&gt;)
+  declare void @llvm.prefetch(i8* &lt;address&gt;, i32 &lt;rw&gt;, i32 &lt;locality&gt;)
 </pre>
 
 <h5>Overview:</h5>

docs/index.html

@@ -271,3 +271,4 @@ times each day, making it a high volume list.</li>
   Last modified: $Date$
 </address>
 </body></html>
+