diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index c27523ae131..79ba3d20420 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -974,8 +974,12 @@ SDOperand SelectionDAG::SimplifySelectCC(SDOperand N1, SDOperand N2, // Check to see if this is the equivalent of setcc if (N4C && N4C->isNullValue() && N3C && (N3C->getValue() == 1ULL)) { MVT::ValueType XType = N1.getValueType(); - if (TLI.isOperationLegal(ISD::SETCC, TLI.getSetCCResultTy())) - return getSetCC(TLI.getSetCCResultTy(), N1, N2, CC); + if (TLI.isOperationLegal(ISD::SETCC, TLI.getSetCCResultTy())) { + SDOperand Res = getSetCC(TLI.getSetCCResultTy(), N1, N2, CC); + if (Res.getValueType() != VT) + Res = getNode(ISD::ZERO_EXTEND, VT, Res); + return Res; + } // seteq X, 0 -> srl (ctlz X, log2(size(X))) if (N2C && N2C->isNullValue() && CC == ISD::SETEQ && |
