diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp index 778573390eb..5d6c4998ecd 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp @@ -3101,7 +3101,8 @@ SDValue DAGTypeLegalizer::WidenVSELECTAndMask(SDNode *N) { // If this is a splitted VSELECT that was previously already handled, do // nothing. - if (Cond->getValueType(0).getScalarSizeInBits() != 1) + EVT CondVT = Cond->getValueType(0); + if (CondVT.getScalarSizeInBits() != 1) return SDValue(); EVT VSelVT = N->getValueType(0); @@ -3125,6 +3126,14 @@ SDValue DAGTypeLegalizer::WidenVSELECTAndMask(SDNode *N) { EVT SetCCResVT = getSetCCResultType(SetCCOpVT); if (SetCCResVT.getScalarSizeInBits() == 1) return SDValue(); + } else if (CondVT.getScalarType() == MVT::i1) { + // If there is support for an i1 vector mask (or only scalar i1 conditions), + // don't touch. + while (TLI.getTypeAction(Ctx, CondVT) != TargetLowering::TypeLegal) + CondVT = TLI.getTypeToTransformTo(Ctx, CondVT); + + if (CondVT.getScalarType() == MVT::i1) + return SDValue(); } // Get the VT and operands for VSELECT, and widen if needed. |
