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authorChris Lattner <sabre@nondot.org>2009-10-21 01:10:37 +0000
committerChris Lattner <sabre@nondot.org>2009-10-21 01:10:37 +0000
commit30a61c148accb447031985fc98a1213c3bbbc027 (patch)
treeac43d397a09f6b9e3fcc4d9c6e8200d132fba30e
parentca24463d2c9df0ab7775a59ada835267a7043953 (diff)
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IPSCCP is missing stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@84725 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/README.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/README.txt b/lib/Target/README.txt
index 89ea9d0..aec8fd0 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.
+
+//===---------------------------------------------------------------------===//
+