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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index 484bcb7cccd..44d9e3875b8 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -225,10 +225,9 @@ SDValue DAGTypeLegalizer::PromoteIntRes_AtomicCmpSwap(AtomicSDNode *N,
N->getOpcode(), SDLoc(N), N->getMemoryVT(), VTs, N->getChain(),
N->getBasePtr(), Op2, Op3, N->getMemOperand(), N->getSuccessOrdering(),
N->getFailureOrdering(), N->getSynchScope());
- // Legalized the chain result - switch anything that used the old chain to
- // use the new one.
- unsigned ChainOp = N->getNumValues() - 1;
- ReplaceValueWith(SDValue(N, ChainOp), Res.getValue(ChainOp));
+ // Update the use to N with the newly created Res.
+ for (unsigned i = 1, NumResults = N->getNumValues(); i < NumResults; ++i)
+ ReplaceValueWith(SDValue(N, i), Res.getValue(i));
return Res;
}
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