diff options
| author | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-13 13:23:58 +0800 |
|---|---|---|
| committer | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-13 13:23:58 +0800 |
| commit | 393e95fb39d1ddb366b1f17a51166cb3612bbbbd (patch) | |
| tree | 1b2926200955bd483a441601f4b22e74b2527197 /backend/lib/Target/RISCV/RISCVInstrInfo.cpp | |
| parent | 9f7cd14951ed9b7e04176f68f5c454aa7018b3e3 (diff) | |
| download | rcc-project-393e95fb39d1ddb366b1f17a51166cb3612bbbbd.tar.gz rcc-project-393e95fb39d1ddb366b1f17a51166cb3612bbbbd.tar.xz | |
[RISCV] Remove physical register forwarding helpers
Diffstat (limited to 'backend/lib/Target/RISCV/RISCVInstrInfo.cpp')
| -rw-r--r-- | backend/lib/Target/RISCV/RISCVInstrInfo.cpp | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/backend/lib/Target/RISCV/RISCVInstrInfo.cpp b/backend/lib/Target/RISCV/RISCVInstrInfo.cpp index 9d80638..7706cf3 100644 --- a/backend/lib/Target/RISCV/RISCVInstrInfo.cpp +++ b/backend/lib/Target/RISCV/RISCVInstrInfo.cpp @@ -130,13 +130,6 @@ constexpr std::uint32_t PCRelativeLowFlag = 4; return Block->removeInstruction(Instruction); } -[[nodiscard]] Expected<PhysicalRegister> physical(PhysicalRegisterID ID) { - auto Reg = physicalRegister(ID); - if (!Reg) - return std::unexpected(Reg.error()); - return *Reg; -} - [[nodiscard]] Expected<MachineInstr *> buildJAL(MachineFunction &Function, const TargetDescription &Target, MachineBasicBlock &Block, MachineInstr *Before, PhysicalRegister Destination, MachineBasicBlock &TargetBlock) { @@ -281,7 +274,7 @@ selectLongBranchScratch(const MachineInstr &Instruction, const MachineBasicBlock return std::unexpected(Point.error()); if (Instruction.opcode() == instructionOpcode(InstructionOpcode::C_J)) { - auto Zero = physical(PhysicalRegisterID::X0); + auto Zero = physicalRegister(PhysicalRegisterID::X0); if (!Zero) return std::unexpected(Zero.error()); auto Replacement = buildJAL(Function, Target, *Block, &Instruction, *Zero, **TargetBlock); @@ -301,7 +294,7 @@ selectLongBranchScratch(const MachineInstr &Instruction, const MachineBasicBlock if (Source == nullptr) return makeUnexpected(ErrorCode::VerificationError, "compressed conditional branch has no source register"); - auto Zero = physical(PhysicalRegisterID::X0); + auto Zero = physicalRegister(PhysicalRegisterID::X0); if (!Zero) return std::unexpected(Zero.error()); const InstructionOpcode Expanded = @@ -367,7 +360,7 @@ selectLongBranchScratch(const MachineInstr &Instruction, const MachineBasicBlock return std::unexpected(Retargeted.error()); return true; } - auto Zero = physical(PhysicalRegisterID::X0); + auto Zero = physicalRegister(PhysicalRegisterID::X0); if (!Zero) return std::unexpected(Zero.error()); MachineIRBuilder Builder(Function, Target); @@ -625,7 +618,7 @@ public: if (&Block.function() != &Function || &TargetBlock.function() != &Function) return makeUnexpected(ErrorCode::InvalidArgument, "RISC-V branch insertion references another function"); - auto Zero = physical(PhysicalRegisterID::X0); + auto Zero = physicalRegister(PhysicalRegisterID::X0); if (!Zero) return std::unexpected(Zero.error()); return buildJAL(Function, Target, Block, nullptr, *Zero, TargetBlock); |