diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 8a4117b8ed6..d5a9a2ea3c2 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -12904,6 +12904,8 @@ static SDValue LowerSCALAR_TO_VECTOR(SDValue Op, SelectionDAG &DAG) { // 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); @@ -12911,18 +12913,15 @@ static SDValue LowerEXTRACT_SUBVECTOR(SDValue Op, const X86Subtarget &Subtarget, 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) { @@ -12938,17 +12937,13 @@ 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(); @@ -12991,17 +12986,19 @@ static SDValue LowerINSERT_SUBVECTOR(SDValue Op, const X86Subtarget &Subtarget, } } - 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 |
