Update LLVM to r94309.

1 files changed, 39 insertions, 44 deletions

diff --git a/docs/LangRef.html b/docs/LangRef.html
index 6ea0ead..cbb7d56 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -924,9 +924,9 @@ define [<a href="#linkage">linkage</a>] [<a href="#visibility">visibility</a>]
 
 <div class="doc_text">
 
-<p>Named metadata is a collection of metadata. <a href="#metadata"> Metadata </a>
-   node and null are the only valid named metadata operands. 
-   Metadata strings are not allowed as an named metadata operand.</p>
+<p>Named metadata is a collection of metadata. <a href="#metadata">Metadata
+   nodes</a> (but not metadata strings) and null are the only valid operands for
+   a named metadata.</p>
 
 <h5>Syntax:</h5>
 <div class="doc_code">
@@ -1083,11 +1083,6 @@ define void @f() optsize { ... }
       function into callers whenever possible, ignoring any active inlining size
       threshold for this caller.</dd>
 
-  <dt><tt><b>inlinehint</b></tt></dt>
-  <dd>This attribute indicates that the source code contained a hint that inlining
-      this function is desirable (such as the "inline" keyword in C/C++).  It
-      is just a hint; it imposes no requirements on the inliner.</dd>
-
   <dt><tt><b>noinline</b></tt></dt>
   <dd>This attribute indicates that the inliner should never inline this
       function in any situation. This attribute may not be used together with
@@ -2340,41 +2335,6 @@ has undefined behavior.</p>
 
 </div>
 
-<!-- ======================================================================= -->
-<div class="doc_subsection"><a name="metadata">Metadata Nodes and Metadata Strings</a>
-</div>
-
-<div class="doc_text">
-
-<p>Metadata provides a way to attach arbitrary data to the instruction
-   stream without affecting the behaviour of the program.  There are two
-   metadata primitives, strings and nodes. All metadata has the
-   <tt>metadata</tt> type and is identified in syntax by a preceding exclamation
-   point ('<tt>!</tt>').</p>
-
-<p>A metadata string is a string surrounded by double quotes.  It can contain
-   any character by escaping non-printable characters with "\xx" where "xx" is
-   the two digit hex code.  For example: "<tt>!"test\00"</tt>".</p>
-
-<p>Metadata nodes are represented with notation similar to structure constants
-   (a comma separated list of elements, surrounded by braces and preceded by an
-   exclamation point).  For example: "<tt>!{ metadata !"test\00", i32
-   10}</tt>".</p>
-
-<p>A metadata node will attempt to track changes to the values it holds. In the
-   event that a value is deleted, it will be replaced with a typeless
-   "<tt>null</tt>", such as "<tt>metadata !{null, i32 10}</tt>".</p>
-
-<p>A <a href="#namedmetadatastructure">named metadata</a> is a collection of 
-   metadata nodes. For example: "<tt>!foo =  metadata !{!4, !3}</tt>".
-
-<p>Optimizations may rely on metadata to provide additional information about
-   the program that isn't available in the instructions, or that isn't easily
-   computable. Similarly, the code generator may expect a certain metadata
-   format to be used to express debugging information.</p>
-
-</div>
-
 <!-- *********************************************************************** -->
 <div class="doc_section"> <a name="othervalues">Other Values</a> </div>
 <!-- *********************************************************************** -->
@@ -2444,6 +2404,35 @@ call void asm alignstack "eieio", ""()
 
 </div>
 
+<!-- ======================================================================= -->
+<div class="doc_subsection"><a name="metadata">Metadata Nodes and Metadata
+  Strings</a>
+</div>
+
+<div class="doc_text">
+
+<p>LLVM IR allows metadata to be attached to instructions in the program that
+   can convey extra information about the code to the optimizers and code
+   generator.  One example application of metadata is source-level debug
+   information.  There are two metadata primitives: strings and nodes. All
+   metadata has the <tt>metadata</tt> type and is identified in syntax by a
+   preceding exclamation point ('<tt>!</tt>').</p>
+
+<p>A metadata string is a string surrounded by double quotes.  It can contain
+   any character by escaping non-printable characters with "\xx" where "xx" is
+   the two digit hex code.  For example: "<tt>!"test\00"</tt>".</p>
+
+<p>Metadata nodes are represented with notation similar to structure constants
+   (a comma separated list of elements, surrounded by braces and preceded by an
+   exclamation point).  For example: "<tt>!{ metadata !"test\00", i32
+   10}</tt>".  Metadata nodes can have any values as their operand.</p>
+
+<p>A <a href="#namedmetadatastructure">named metadata</a> is a collection of 
+   metadata nodes, which can be looked up in the module symbol table. For
+   example: "<tt>!foo =  metadata !{!4, !3}</tt>".
+
+</div>
+
 
 <!-- *********************************************************************** -->
 <div class="doc_section">
@@ -2840,6 +2829,9 @@ IfUnequal:
    block to the "normal" label. If the callee unwinds then no return value is
    available.</p>
 
+<p>Note that the code generator does not yet completely support unwind, and
+that the invoke/unwind semantics are likely to change in future versions.</p>
+
 <h5>Example:</h5>
 <pre>
   %retval = invoke i32 @Test(i32 15) to label %Continue
@@ -2876,6 +2868,9 @@ Instruction</a> </div>
    specified by the <tt>invoke</tt> instruction.  If there is no <tt>invoke</tt>
    instruction in the dynamic call chain, undefined behavior results.</p>
 
+<p>Note that the code generator does not yet completely support unwind, and
+that the invoke/unwind semantics are likely to change in future versions.</p>
+
 </div>
 
 <!-- _______________________________________________________________________ -->
@@ -7350,7 +7345,7 @@ LLVM</a>.</p>
 
   <a href="mailto:sabre@nondot.org">Chris Lattner</a><br>
   <a href="http://llvm.org">The LLVM Compiler Infrastructure</a><br>
-  Last modified: $Date: 2010-01-11 20:35:55 +0100 (Mon, 11 Jan 2010) $
+  Last modified: $Date: 2010-01-15 22:50:19 +0100 (Fri, 15 Jan 2010) $
 </address>
 
 </body>