[llvm-commits] [llvm] r53535 - /llvm/trunk/lib/Target/README.txt

[Chris Lattner]

Author: lattner
Date: Sun Jul 13 19:19:59 2008
New Revision: 53535

URL: http://llvm.org/viewvc/llvm-project?rev=53535&view=rev
Log:
Add a note.

Modified:
    llvm/trunk/lib/Target/README.txt

Modified: llvm/trunk/lib/Target/README.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/README.txt?rev=53535&r1=53534&r2=53535&view=diff

==============================================================================
--- llvm/trunk/lib/Target/README.txt (original)
+++ llvm/trunk/lib/Target/README.txt Sun Jul 13 19:19:59 2008
@@ -784,3 +784,15 @@
 }
 
 //===---------------------------------------------------------------------===//
+
+Reassociate should turn things like:
+
+int factorial(int X) {
+ return X*X*X*X*X*X*X*X;
+}
+
+into llvm.powi calls, allowing the code generator to produce balanced
+multiplication trees.
+
+//===---------------------------------------------------------------------===//
+