diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeTypes.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeTypes.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp index bd7dacf..ebf6b28 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp @@ -921,6 +921,17 @@ bool DAGTypeLegalizer::CustomLowerNode(SDNode *N, EVT VT, bool LegalizeResult) { // The target didn't want to custom lower it after all. return false; + // When called from DAGTypeLegalizer::ExpandIntegerResult, we might need to + // provide the same kind of custom splitting behavior. + if (Results.size() == N->getNumValues() + 1 && LegalizeResult) { + // We've legalized a return type by splitting it. If there is a chain, + // replace that too. + SetExpandedInteger(SDValue(N, 0), Results[0], Results[1]); + if (N->getNumValues() > 1) + ReplaceValueWith(SDValue(N, 1), Results[2]); + return true; + } + // Make everything that once used N's values now use those in Results instead. assert(Results.size() == N->getNumValues() && "Custom lowering returned the wrong number of results!"); |