diff options
Diffstat (limited to 'llvm/utils/TableGen/DAGISelMatcherOpt.cpp')
| -rw-r--r-- | llvm/utils/TableGen/DAGISelMatcherOpt.cpp | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/llvm/utils/TableGen/DAGISelMatcherOpt.cpp b/llvm/utils/TableGen/DAGISelMatcherOpt.cpp index a0211edce09..9d17d4a1bc7 100644 --- a/llvm/utils/TableGen/DAGISelMatcherOpt.cpp +++ b/llvm/utils/TableGen/DAGISelMatcherOpt.cpp @@ -78,24 +78,6 @@ static void ContractNodes(std::unique_ptr<Matcher> &MatcherPtr, return ContractNodes(MatcherPtr, CGP); } - // Turn EmitNode->MarkFlagResults->CompleteMatch into - // MarkFlagResults->EmitNode->CompleteMatch when we can to encourage - // MorphNodeTo formation. This is safe because MarkFlagResults never refers - // to the root of the pattern. - if (isa<EmitNodeMatcher>(N) && isa<MarkGlueResultsMatcher>(N->getNext()) && - isa<CompleteMatchMatcher>(N->getNext()->getNext())) { - // Unlink the two nodes from the list. - Matcher *EmitNode = MatcherPtr.release(); - Matcher *MFR = EmitNode->takeNext(); - Matcher *Tail = MFR->takeNext(); - - // Relink them. - MatcherPtr.reset(MFR); - MFR->setNext(EmitNode); - EmitNode->setNext(Tail); - return ContractNodes(MatcherPtr, CGP); - } - // Turn EmitNode->CompleteMatch into MorphNodeTo if we can. if (EmitNodeMatcher *EN = dyn_cast<EmitNodeMatcher>(N)) if (CompleteMatchMatcher *CM = |
