diff options
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index 243700fdb7..8b7b74c7ad 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -624,21 +624,6 @@ void PatternCodeEmitter::EmitMatchCode(TreePatternNode *N, TreePatternNode *P, } } - // 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 optional incoming flag does not exist. Then it is ok to - // fold it. - if (!isRoot && - (N->TreeHasProperty(SDNPInFlag, CGP) || - N->TreeHasProperty(SDNPOptInFlag, CGP) || - N->TreeHasProperty(SDNPOutFlag, CGP))) { - if (!EmittedUseCheck) { - // Multiple uses of actual result? - emitCheck(getValueName(RootName) + ".hasOneUse()"); - } - } - // If there are node predicates for this, emit the calls. for (unsigned i = 0, e = N->getPredicateFns().size(); i != e; ++i) emitCheck(N->getPredicateFns()[i] + "(" + getNodeName(RootName) + ")"); |