diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 81139dc..b0a48ee 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -564,8 +564,19 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { TargetLowering::Custom) { Tmp3 = TLI.LowerOperation(Result, DAG); if (Tmp3.Val) Result = Tmp3; - } - break; + } + + if (Result.Val->getNumValues() == 1) break; + + // Must have return value and chain result. + assert(Result.Val->getNumValues() == 2 && + "Cannot return more than two values!"); + + // Since loads produce two values, make sure to remember that we + // legalized both of them. + AddLegalizedOperand(SDOperand(Node, 0), Result.getValue(0)); + AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1)); + return Result.getValue(Op.ResNo); } case ISD::LOCATION: |