diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 2d154942c75..29f0cb22d9a 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2693,13 +2693,16 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT, // expanding large vector constants. if (N2C && N1.getOpcode() == ISD::BUILD_VECTOR) { SDValue Elt = N1.getOperand(N2C->getZExtValue()); - if (Elt.getValueType() != VT) { + MVT VEltTy = N1.getValueType().getVectorElementType(); + if (Elt.getValueType() != VEltTy) { // If the vector element type is not legal, the BUILD_VECTOR operands // are promoted and implicitly truncated. Make that explicit here. - assert(VT.isInteger() && Elt.getValueType().isInteger() && - VT.bitsLE(Elt.getValueType()) && - "Bad type for BUILD_VECTOR operand"); - Elt = getNode(ISD::TRUNCATE, DL, VT, Elt); + Elt = getNode(ISD::TRUNCATE, DL, VEltTy, Elt); + } + if (VT != VEltTy) { + // If the vector element type is not legal, the EXTRACT_VECTOR_ELT + // result is implicitly extended. + Elt = getNode(ISD::ANY_EXTEND, DL, VT, Elt); } return Elt; } |