From 7d26443bb7998169f6a7f6953dbe4d461907872f Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 21 Oct 2009 01:10:37 +0000 Subject: [PATCH] IPSCCP is missing stuff. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84725 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/README.txt | 7 +++++++ 1 file changed, 7 insertions(+) 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. + +//===---------------------------------------------------------------------===// +