From 8eab3608de260527929d327a5e63b547c0d267cf Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 26 Jan 2006 02:13:31 +0000 Subject: [PATCH] Add a FIXME comment. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25635 91177308-0d34-0410-b5e6-96231b3b80d8 --- utils/TableGen/DAGISelEmitter.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index 9dfbe113524..7b00b4e4dc6 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -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) || -- 2.34.1