Twine: fix link to source, add link to class doc and container section.

[oota-llvm.git] / docs / LangRef.html

diff --git a/docs/LangRef.html b/docs/LangRef.html
index ba653dbd4985abe345a1b520ceea88102919c4f2..04c1bf8b32f5f723096a63da6aeece8e44bf9156 100644 (file)
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -257,6 +257,7 @@
           <li><a href="#int_exp">'<tt>llvm.exp.*</tt>' Intrinsic</a></li>
           <li><a href="#int_log">'<tt>llvm.log.*</tt>' Intrinsic</a></li>
           <li><a href="#int_fma">'<tt>llvm.fma.*</tt>' Intrinsic</a></li>
+          <li><a href="#int_fabs">'<tt>llvm.fabs.*</tt>' Intrinsic</a></li>
         </ol>
       </li>
       <li><a href="#int_manip">Bit Manipulation Intrinsics</a>
@@ -316,10 +317,12 @@
             '<tt>llvm.debugtrap</tt>' Intrinsic</a></li>
           <li><a href="#int_stackprotector">
             '<tt>llvm.stackprotector</tt>' Intrinsic</a></li>
-         <li><a href="#int_objectsize">
+          <li><a href="#int_objectsize">
             '<tt>llvm.objectsize</tt>' Intrinsic</a></li>
-         <li><a href="#int_expect">
+          <li><a href="#int_expect">
             '<tt>llvm.expect</tt>' Intrinsic</a></li>
+          <li><a href="#int_donothing">
+            '<tt>llvm.donothing</tt>' Intrinsic</a></li>
         </ol>
       </li>
     </ol>
@@ -1429,7 +1432,7 @@ target datalayout = "<i>layout specification</i>"
   <li>If no match is found, and the type sought is an integer type, then the
       smallest integer type that is larger than the bitwidth of the sought type
       is used. If none of the specifications are larger than the bitwidth then
-      the the largest integer type is used. For example, given the default
+      the largest integer type is used. For example, given the default
       specifications above, the i7 type will use the alignment of i8 (next
       largest) while both i65 and i256 will use the alignment of i64 (largest
       specified).</li>
@@ -2864,8 +2867,9 @@ i32 (i32) asm "bswap $0", "=r,r"
 </pre>
 
 <p>Inline assembler expressions may <b>only</b> be used as the callee operand of
-   a <a href="#i_call"><tt>call</tt> instruction</a>.  Thus, typically we
-   have:</p>
+   a <a href="#i_call"><tt>call</tt></a> or an
+   <a href="#i_invoke"><tt>invoke</tt></a> instruction.
+   Thus, typically we have:</p>
 
 <pre class="doc_code">
 %X = call i32 asm "<a href="#int_bswap">bswap</a> $0", "=r,r"(i32 %Y)
@@ -7506,6 +7510,40 @@ LLVM</a>.</p>
 
 </div>
 
+<!-- _______________________________________________________________________ -->
+<h4>
+  <a name="int_fabs">'<tt>llvm.fabs.*</tt>' Intrinsic</a>
+</h4>
+
+<div>
+
+<h5>Syntax:</h5>
+<p>This is an overloaded intrinsic. You can use <tt>llvm.fabs</tt> on any
+   floating point or vector of floating point type. Not all targets support all
+   types however.</p>
+
+<pre>
+  declare float     @llvm.fabs.f32(float  %Val)
+  declare double    @llvm.fabs.f64(double %Val)
+  declare x86_fp80  @llvm.fabs.f80(x86_fp80  %Val)
+  declare fp128     @llvm.fabs.f128(fp128 %Val)
+  declare ppc_fp128 @llvm.fabs.ppcf128(ppc_fp128  %Val)
+</pre>
+
+<h5>Overview:</h5>
+<p>The '<tt>llvm.fabs.*</tt>' intrinsics return the absolute value of
+   the operand.</p>
+
+<h5>Arguments:</h5>
+<p>The argument and return value are floating point numbers of the same
+   type.</p>
+
+<h5>Semantics:</h5>
+<p>This function returns the same values as the libm <tt>fabs</tt> functions
+   would, and handles error conditions in the same way.</p>
+
+</div>
+
 </div>
 
 <!-- ======================================================================= -->
@@ -8605,6 +8643,30 @@ intrinsic function should be used instead.</p>
 <p>This intrinsic is lowered to the <tt>val</tt>.</p>
 </div>
 
+<!-- _______________________________________________________________________ -->
+<h4>
+  <a name="int_donothing">'<tt>llvm.donothing</tt>' Intrinsic</a>
+</h4>
+
+<div>
+
+<h5>Syntax:</h5>
+<pre>
+  declare void @llvm.donothing() nounwind readnone
+</pre>
+
+<h5>Overview:</h5>
+<p>The <tt>llvm.donothing</tt> intrinsic doesn't perform any operation. It's the
+only intrinsic that can be called with an invoke instruction.</p>
+
+<h5>Arguments:</h5>
+<p>None.</p>
+
+<h5>Semantics:</h5>
+<p>This intrinsic does nothing, and it's removed by optimizers and ignored by
+codegen.</p>
+</div>
+
 </div>
 
 </div>