[llvm-commits] [llvm] r44111 - /llvm/trunk/docs/LangRef.html

Anton Korobeynikov asl at math.spbu.ru
Wed Nov 14 02:30:19 PST 2007


Author: asl
Date: Wed Nov 14 04:30:13 2007
New Revision: 44111

URL: http://llvm.org/viewvc/llvm-project?rev=44111&view=rev
Log:
Document pure/const parameter attributes

Modified:
    llvm/trunk/docs/LangRef.html

Modified: llvm/trunk/docs/LangRef.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.html?rev=44111&r1=44110&r2=44111&view=diff

==============================================================================
--- llvm/trunk/docs/LangRef.html (original)
+++ llvm/trunk/docs/LangRef.html Wed Nov 14 04:30:13 2007
@@ -813,6 +813,15 @@
     <dt><tt>nest</tt></dt>
     <dd>This indicates that the parameter can be excised using the
     <a href="#int_trampoline">trampoline intrinsics</a>.</dd>
+    <dt><tt>pure</tt></dt>
+    <dd>This function attribute indicates, that the function have no effects
+    except the return value and its return value depends only on the
+    arguments and/or global variables.</dd>
+    <dt><tt>const</tt></dt>
+    <dd>This function attribute is slightly more stricter version
+    of <tt>pure</tt> function attribute. <tt>const</tt> functions are not
+    allowed to read global memory, so such function only examines its arguments
+    and has no effects except return value.</dd>
   </dl>
 
 </div>





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