// upper bits of a vector.
static SDValue LowerEXTRACT_SUBVECTOR(SDValue Op, const X86Subtarget &Subtarget,
SelectionDAG &DAG) {
+ assert(Subtarget.hasAVX() && "EXTRACT_SUBVECTOR requires AVX");
+
SDLoc dl(Op);
SDValue In = Op.getOperand(0);
SDValue Idx = Op.getOperand(1);
MVT ResVT = Op.getSimpleValueType();
MVT InVT = In.getSimpleValueType();
- if (Subtarget.hasFp256()) {
- if (ResVT.is128BitVector() &&
- (InVT.is256BitVector() || InVT.is512BitVector()) &&
- isa<ConstantSDNode>(Idx)) {
- return extract128BitVector(In, IdxVal, DAG, dl);
- }
- if (ResVT.is256BitVector() && InVT.is512BitVector() &&
- isa<ConstantSDNode>(Idx)) {
- return extract256BitVector(In, IdxVal, DAG, dl);
- }
- }
- return SDValue();
+ assert((InVT.is256BitVector() || InVT.is512BitVector()) &&
+ "Can only extract from 256-bit or 512-bit vectors");
+
+ if (ResVT.is128BitVector())
+ return extract128BitVector(In, IdxVal, DAG, dl);
+ if (ResVT.is256BitVector())
+ return extract256BitVector(In, IdxVal, DAG, dl);
+
+ llvm_unreachable("Unimplemented!");
}
static bool areOnlyUsersOf(SDNode *N, ArrayRef<SDValue> ValidUsers) {
// the upper bits of a vector.
static SDValue LowerINSERT_SUBVECTOR(SDValue Op, const X86Subtarget &Subtarget,
SelectionDAG &DAG) {
- if (!Subtarget.hasAVX())
- return SDValue();
+ assert(Subtarget.hasAVX() && "INSERT_SUBVECTOR requires AVX");
SDLoc dl(Op);
SDValue Vec = Op.getOperand(0);
SDValue SubVec = Op.getOperand(1);
SDValue Idx = Op.getOperand(2);
- if (!isa<ConstantSDNode>(Idx))
- return SDValue();
-
unsigned IdxVal = cast<ConstantSDNode>(Idx)->getZExtValue();
MVT OpVT = Op.getSimpleValueType();
MVT SubVecVT = SubVec.getSimpleValueType();
}
}
- if ((OpVT.is256BitVector() || OpVT.is512BitVector()) &&
- SubVecVT.is128BitVector())
+ if (OpVT.getVectorElementType() == MVT::i1)
+ return insert1BitVector(Op, DAG, Subtarget);
+
+ assert((OpVT.is256BitVector() || OpVT.is512BitVector()) &&
+ "Can only insert into 256-bit or 512-bit vectors");
+
+ if (SubVecVT.is128BitVector())
return insert128BitVector(Vec, SubVec, IdxVal, DAG, dl);
- if (OpVT.is512BitVector() && SubVecVT.is256BitVector())
+ if (SubVecVT.is256BitVector())
return insert256BitVector(Vec, SubVec, IdxVal, DAG, dl);
- if (OpVT.getVectorElementType() == MVT::i1)
- return insert1BitVector(Op, DAG, Subtarget);
-
- return SDValue();
+ llvm_unreachable("Unimplemented!");
}
// ConstantPool, JumpTable, GlobalAddress, and ExternalSymbol are lowered as