diff options
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 54cfad69309..d18d4d959b4 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -4405,14 +4405,15 @@ SDOperand SelectionDAGLegalize::ExpandEXTRACT_VECTOR_ELT(SDOperand Op) { // This must be an access of the only element. Return it. Op = ScalarizeVectorOp(Vec); } else if (!TLI.isTypeLegal(TVT) && isa<ConstantSDNode>(Idx)) { + unsigned NumLoElts = 1 << Log2_32(NumElems-1); ConstantSDNode *CIdx = cast<ConstantSDNode>(Idx); SDOperand Lo, Hi; SplitVectorOp(Vec, Lo, Hi); - if (CIdx->getValue() < NumElems/2) { + if (CIdx->getValue() < NumLoElts) { Vec = Lo; } else { Vec = Hi; - Idx = DAG.getConstant(CIdx->getValue() - NumElems/2, + Idx = DAG.getConstant(CIdx->getValue() - NumLoElts, Idx.getValueType()); } |
