diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 650aaae7df8..f63a09248b8 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -819,9 +819,18 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::FORMAL_ARGUMENTS: // The only option for this is to custom lower it. - Result = TLI.LowerOperation(Result, DAG); + Result = TLI.LowerOperation(Result.getValue(0), DAG); assert(Result.Val && "Target didn't custom lower ISD::FORMAL_ARGUMENTS!"); - break; + + // Since FORMAL_ARGUMENTS nodes produce multiple values, make sure to + // remember that we legalized all of them, so it doesn't get relegalized. + for (unsigned i = 0, e = Result.Val->getNumValues(); i != e; ++i) { + Tmp1 = LegalizeOp(Result.getValue(i)); + if (Op.ResNo == i) + Tmp2 = Tmp1; + AddLegalizedOperand(SDOperand(Node, i), Tmp1); + } + return Tmp2; case ISD::BUILD_VECTOR: switch (TLI.getOperationAction(ISD::BUILD_VECTOR, Node->getValueType(0))) { |
