vendor/llvm/llvm-release_34-r197841

1 files changed, 5 insertions, 1 deletions

diff --git a/utils/TableGen/DAGISelMatcherOpt.cpp b/utils/TableGen/DAGISelMatcherOpt.cpp
index f9964223c2485..82e5d63be58b9 100644
--- a/utils/TableGen/DAGISelMatcherOpt.cpp
+++ b/utils/TableGen/DAGISelMatcherOpt.cpp
@@ -51,7 +51,11 @@ static void ContractNodes(OwningPtr<Matcher> &MatcherPtr,
       if (MC->getChildNo() < 8 &&  // Only have CheckChildType0...7
           CT->getResNo() == 0)     // CheckChildType checks res #0
         New = new CheckChildTypeMatcher(MC->getChildNo(), CT->getType());
-    
+
+    if (CheckSameMatcher *CS = dyn_cast<CheckSameMatcher>(MC->getNext()))
+      if (MC->getChildNo() < 4)  // Only have CheckChildSame0...3
+        New = new CheckChildSameMatcher(MC->getChildNo(), CS->getMatchNumber());
+
     if (New) {
       // Insert the new node.
       New->setNext(MatcherPtr.take());