From: Chris Lattner <sabre@nondot.org>
Date: Wed, 21 Oct 2009 01:10:37 +0000 (+0000)
Subject: IPSCCP is missing stuff.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7d26443bb7998169f6a7f6953dbe4d461907872f;p=oota-llvm.git

IPSCCP is missing stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84725 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 89ea9d0afc4..aec8fd0505e 100644
--- a/lib/Target/README.txt
+++ b/lib/Target/README.txt
@@ -1644,3 +1644,10 @@ Instcombine should be able to optimize away the loads (and thus the globals).
 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.
+
+//===---------------------------------------------------------------------===//
+