Add a FIXME comment.

llvm-svn: 25635
This commit is contained in:
Evan Cheng 2006-01-26 02:13:31 +00:00
parent bf29b90240
commit 37d647c562

View File

@ -1932,6 +1932,7 @@ public:
// Don't fold any node which reads or writes a flag and has multiple uses.
// FIXME: we really need to separate the concepts of flag and "glue". Those
// real flag results, e.g. X86CMP output, can have multiple uses.
// FIXME: If the incoming flag is optional. Then it is ok to fold it.
if (!EmittedCheck &&
(PatternHasProperty(N, SDNodeInfo::SDNPInFlag, ISE) ||
PatternHasProperty(N, SDNodeInfo::SDNPOptInFlag, ISE) ||