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[AArch64] Remove unused ISD nodes (NFC) #140706

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May 21, 2025
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60 changes: 0 additions & 60 deletions llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -7216,57 +7216,6 @@ void AArch64DAGToDAGISel::Select(SDNode *Node) {
}
break;
}
case AArch64ISD::SVE_LD2_MERGE_ZERO: {
if (VT == MVT::nxv16i8) {
SelectPredicatedLoad(Node, 2, 0, AArch64::LD2B_IMM, AArch64::LD2B);
return;
} else if (VT == MVT::nxv8i16 || VT == MVT::nxv8f16 ||
VT == MVT::nxv8bf16) {
SelectPredicatedLoad(Node, 2, 1, AArch64::LD2H_IMM, AArch64::LD2H);
return;
} else if (VT == MVT::nxv4i32 || VT == MVT::nxv4f32) {
SelectPredicatedLoad(Node, 2, 2, AArch64::LD2W_IMM, AArch64::LD2W);
return;
} else if (VT == MVT::nxv2i64 || VT == MVT::nxv2f64) {
SelectPredicatedLoad(Node, 2, 3, AArch64::LD2D_IMM, AArch64::LD2D);
return;
}
break;
}
case AArch64ISD::SVE_LD3_MERGE_ZERO: {
if (VT == MVT::nxv16i8) {
SelectPredicatedLoad(Node, 3, 0, AArch64::LD3B_IMM, AArch64::LD3B);
return;
} else if (VT == MVT::nxv8i16 || VT == MVT::nxv8f16 ||
VT == MVT::nxv8bf16) {
SelectPredicatedLoad(Node, 3, 1, AArch64::LD3H_IMM, AArch64::LD3H);
return;
} else if (VT == MVT::nxv4i32 || VT == MVT::nxv4f32) {
SelectPredicatedLoad(Node, 3, 2, AArch64::LD3W_IMM, AArch64::LD3W);
return;
} else if (VT == MVT::nxv2i64 || VT == MVT::nxv2f64) {
SelectPredicatedLoad(Node, 3, 3, AArch64::LD3D_IMM, AArch64::LD3D);
return;
}
break;
}
case AArch64ISD::SVE_LD4_MERGE_ZERO: {
if (VT == MVT::nxv16i8) {
SelectPredicatedLoad(Node, 4, 0, AArch64::LD4B_IMM, AArch64::LD4B);
return;
} else if (VT == MVT::nxv8i16 || VT == MVT::nxv8f16 ||
VT == MVT::nxv8bf16) {
SelectPredicatedLoad(Node, 4, 1, AArch64::LD4H_IMM, AArch64::LD4H);
return;
} else if (VT == MVT::nxv4i32 || VT == MVT::nxv4f32) {
SelectPredicatedLoad(Node, 4, 2, AArch64::LD4W_IMM, AArch64::LD4W);
return;
} else if (VT == MVT::nxv2i64 || VT == MVT::nxv2f64) {
SelectPredicatedLoad(Node, 4, 3, AArch64::LD4D_IMM, AArch64::LD4D);
return;
}
break;
}
}

// Select the default instruction
Expand Down Expand Up @@ -7340,15 +7289,6 @@ static EVT getMemVTFromNode(LLVMContext &Ctx, SDNode *Root) {
return cast<VTSDNode>(Root->getOperand(3))->getVT();
case AArch64ISD::ST1_PRED:
return cast<VTSDNode>(Root->getOperand(4))->getVT();
case AArch64ISD::SVE_LD2_MERGE_ZERO:
return getPackedVectorTypeFromPredicateType(
Ctx, Root->getOperand(1)->getValueType(0), /*NumVec=*/2);
case AArch64ISD::SVE_LD3_MERGE_ZERO:
return getPackedVectorTypeFromPredicateType(
Ctx, Root->getOperand(1)->getValueType(0), /*NumVec=*/3);
case AArch64ISD::SVE_LD4_MERGE_ZERO:
return getPackedVectorTypeFromPredicateType(
Ctx, Root->getOperand(1)->getValueType(0), /*NumVec=*/4);
default:
break;
}
Expand Down
4 changes: 0 additions & 4 deletions llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -2955,9 +2955,6 @@ const char *AArch64TargetLowering::getTargetNodeName(unsigned Opcode) const {
MAKE_CASE(AArch64ISD::LDFF1S_MERGE_ZERO)
MAKE_CASE(AArch64ISD::LD1RQ_MERGE_ZERO)
MAKE_CASE(AArch64ISD::LD1RO_MERGE_ZERO)
MAKE_CASE(AArch64ISD::SVE_LD2_MERGE_ZERO)
MAKE_CASE(AArch64ISD::SVE_LD3_MERGE_ZERO)
MAKE_CASE(AArch64ISD::SVE_LD4_MERGE_ZERO)
MAKE_CASE(AArch64ISD::GLD1_MERGE_ZERO)
MAKE_CASE(AArch64ISD::GLD1_SCALED_MERGE_ZERO)
MAKE_CASE(AArch64ISD::GLD1_SXTW_MERGE_ZERO)
Expand Down Expand Up @@ -3017,7 +3014,6 @@ const char *AArch64TargetLowering::getTargetNodeName(unsigned Opcode) const {
MAKE_CASE(AArch64ISD::CTLZ_MERGE_PASSTHRU)
MAKE_CASE(AArch64ISD::CTPOP_MERGE_PASSTHRU)
MAKE_CASE(AArch64ISD::DUP_MERGE_PASSTHRU)
MAKE_CASE(AArch64ISD::INDEX_VECTOR)
MAKE_CASE(AArch64ISD::ADDP)
MAKE_CASE(AArch64ISD::SADDLP)
MAKE_CASE(AArch64ISD::UADDLP)
Expand Down
6 changes: 0 additions & 6 deletions llvm/lib/Target/AArch64/AArch64ISelLowering.h
Original file line number Diff line number Diff line change
Expand Up @@ -360,7 +360,6 @@ enum NodeType : unsigned {
CTLZ_MERGE_PASSTHRU,
CTPOP_MERGE_PASSTHRU,
DUP_MERGE_PASSTHRU,
INDEX_VECTOR,

// Cast between vectors of the same element type but differ in length.
REINTERPRET_CAST,
Expand All @@ -378,11 +377,6 @@ enum NodeType : unsigned {
LD1RQ_MERGE_ZERO,
LD1RO_MERGE_ZERO,

// Structured loads.
SVE_LD2_MERGE_ZERO,
SVE_LD3_MERGE_ZERO,
SVE_LD4_MERGE_ZERO,

// Unsigned gather loads.
GLD1_MERGE_ZERO,
GLD1_SCALED_MERGE_ZERO,
Expand Down