[llvm-commits] CVS: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp

[Evan Cheng]

Changes in directory llvm/lib/CodeGen/SelectionDAG:

DAGCombiner.cpp updated: 1.196 -> 1.197
---
Log message:

Make it work for DAG combine of multi-value nodes.

---
Diffs of the changes:  (+7 -2)

 DAGCombiner.cpp |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)


Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.196 
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.197
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.196 Thu Sep 21 12:35:47 2006
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp       Thu Sep 21 14:04:05 2006
@@ -407,8 +407,13 @@
               std::cerr << "\nWith: "; RV.Val->dump(&DAG);
               std::cerr << '\n');
         std::vector<SDNode*> NowDead;
-        SDOperand OpV = RV;
-        DAG.ReplaceAllUsesWith(N, &OpV, &NowDead);
+        if (N->getNumValues() == RV.Val->getNumValues())
+          DAG.ReplaceAllUsesWith(N, RV.Val, &NowDead);
+        else {
+          assert(N->getValueType(0) == RV.getValueType() && "Type mismatch");
+          SDOperand OpV = RV;
+          DAG.ReplaceAllUsesWith(N, &OpV, &NowDead);
+        }
           
         // Push the new node and any users onto the worklist
         WorkList.push_back(RV.Val);



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