[llvm-commits] [llvm] r84725 - /llvm/trunk/lib/Target/README.txt

[Chris Lattner]

Author: lattner
Date: Tue Oct 20 20:10:37 2009
New Revision: 84725

URL: http://llvm.org/viewvc/llvm-project?rev=84725&view=rev
Log:
IPSCCP is missing stuff.

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=84725&r1=84724&r2=84725&view=diff

==============================================================================
--- llvm/trunk/lib/Target/README.txt (original)
+++ llvm/trunk/lib/Target/README.txt Tue Oct 20 20:10:37 2009
@@ -1644,3 +1644,10 @@
 See also PR4973
 
 //===---------------------------------------------------------------------===//
+
+IPSCCP is propagating elements of first class aggregates, but is not propagating
+the entire aggregate itself.  This leads it to miss opportunities, for example
+in test/Transforms/SCCP/ipsccp-basic.ll:test5b.
+
+//===---------------------------------------------------------------------===//
+