diff options
| -rw-r--r-- | backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp index c8e9ab6..f98f2e5 100644 --- a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp +++ b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp @@ -863,41 +863,6 @@ private: return Instruction.insertOperand(Index, MachineOperand::immediate(Value)); } - [[nodiscard]] Expected<MachineInstr *> buildBinaryAfter(MachineIRBuilder &Builder, - MachineInstr &Anchor, - InstructionOpcode Opcode, Register Def, - Register Left, Register Right) const { - auto Point = Builder.setInsertPointAfter(Anchor); - if (!Point) - return std::unexpected(Point.error()); - auto RegisterConstraints = - constrainBuilderRegisters(Builder.function(), Builder.target(), {Def, Left, Right}); - if (!RegisterConstraints) - return std::unexpected(RegisterConstraints.error()); - auto Pending = Builder.buildInstr(instructionOpcode(Opcode)); - if (!Pending) - return std::unexpected(Pending.error()); - auto DefResult = Pending->addDef(Def); - if (!DefResult) - return std::unexpected(DefResult.error()); - auto LeftResult = Pending->addUse(Left); - if (!LeftResult) - return std::unexpected(LeftResult.error()); - auto RightResult = Pending->addUse(Right); - if (!RightResult) - return std::unexpected(RightResult.error()); - auto Built = Pending->build(); - if (!Built) - return std::unexpected(Built.error()); - auto FlagPropagation = propagateSelectionFlags(**Built, Anchor, Builder.target()); - if (!FlagPropagation) - return std::unexpected(FlagPropagation.error()); - auto Constraint = constrainSelectedInstruction(**Built, Builder.function(), Builder.target()); - if (!Constraint) - return std::unexpected(Constraint.error()); - return *Built; - } - [[nodiscard]] Expected<MachineInstr *> buildImmediateAfter(MachineIRBuilder &Builder, MachineInstr &Anchor, InstructionOpcode Opcode, Register Def, Register Source, std::int64_t Value) const { @@ -997,51 +962,6 @@ private: return *Built; } - [[nodiscard]] Expected<Register> normalizeIntegerBefore(MachineInstr &Anchor, - MachineFunction &Function, - const TargetDescription &Target, - Register Source, LowLevelType Type, - bool Signed) const { - if (!isSupportedIntegerType(Type)) - return makeUnexpected( - ErrorCode::Unsupported, - "RISC-V integer normalization requires an integer scalar or a 64-bit pointer"); - const std::uint32_t Bits = Type.scalarBitWidth(); - if (Bits == 64) - return Source; - - MachineIRBuilder Builder(Function, Target); - if (Signed && Bits == 32) { - auto Result = createTemporary(Function, Type, Target); - if (!Result) - return std::unexpected(Result.error()); - auto Extended = - buildImmediateBefore(Builder, Anchor, InstructionOpcode::ADDIW, *Result, Source, 0); - if (!Extended) - return std::unexpected(Extended.error()); - return *Result; - } - - const std::uint32_t ContainerBits = Bits < 32 ? 32 : 64; - const std::int64_t Shift = static_cast<std::int64_t>(ContainerBits - Bits); - auto Shifted = createTemporary(Function, Type, Target); - auto Result = createTemporary(Function, Type, Target); - if (!Shifted || !Result) - return std::unexpected(!Shifted ? Shifted.error() : Result.error()); - const InstructionOpcode ShiftLeft = - ContainerBits == 32 ? InstructionOpcode::SLLIW : InstructionOpcode::SLLI; - const InstructionOpcode ShiftRight = - Signed ? (ContainerBits == 32 ? InstructionOpcode::SRAIW : InstructionOpcode::SRAI) - : (ContainerBits == 32 ? InstructionOpcode::SRLIW : InstructionOpcode::SRLI); - auto Left = buildImmediateBefore(Builder, Anchor, ShiftLeft, *Shifted, Source, Shift); - if (!Left) - return std::unexpected(Left.error()); - auto Right = buildImmediateBefore(Builder, Anchor, ShiftRight, *Result, *Shifted, Shift); - if (!Right) - return std::unexpected(Right.error()); - return *Result; - } - [[nodiscard]] Expected<void> selectAtomicRMW(MachineInstr &Instruction, MachineFunction &Function, const TargetDescription &Target, std::optional<LowLevelType> Type, |