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| author | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-17 03:16:26 +0800 |
|---|---|---|
| committer | Richard-Qin-X <richard.qin.001@gmail.com> | 2026-08-17 03:16:26 +0800 |
| commit | f5c592905e6e1ef4b78337d76c8215e543607b8d (patch) | |
| tree | 193400315338b57af33699ad7f952fb3731b3a65 /backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp | |
| parent | 9720e989ccdce77a2c45a8379d36ff4428e6c2bf (diff) | |
| download | rcc-project-f5c592905e6e1ef4b78337d76c8215e543607b8d.tar.gz rcc-project-f5c592905e6e1ef4b78337d76c8215e543607b8d.tar.xz | |
[RISCV][GlobalISel] Generate conditional branch selection
Diffstat (limited to 'backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp')
| -rw-r--r-- | backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp index 89b6ecd..1e2eb92 100644 --- a/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp +++ b/backend/lib/Target/RISCV/GISel/RISCVInstructionSelector.cpp @@ -364,7 +364,6 @@ public: case GenericOpcode::G_FPEXTLOAD: case GenericOpcode::G_FPTRUNCSTORE: case GenericOpcode::G_STORE: - case GenericOpcode::G_BRCOND: return {}; case GenericOpcode::G_FCONSTANT: { const MachineOperand *Immediate = Instruction.operandAt(1); @@ -440,8 +439,6 @@ public: return selectStore(Instruction, Function); case GenericOpcode::G_FPTRUNCSTORE: return selectFloatTruncStore(Instruction, Function, Target); - case GenericOpcode::G_BRCOND: - return selectConditionalBranch(Instruction); case GenericOpcode::G_CONSTANT: return selectIntegerConstant(Instruction, Function, Target, Type); case GenericOpcode::G_FCONSTANT: @@ -1422,16 +1419,6 @@ private: return makeUnexpected(ErrorCode::Unsupported, "RISC-V cannot select this generic store type"); } - [[nodiscard]] Expected<void> selectConditionalBranch(MachineInstr &Instruction) const { - auto Zero = physicalRegister(PhysicalRegisterID::X0); - if (!Zero) - return std::unexpected(Zero.error()); - auto Inserted = insertPhysicalRegister(Instruction, 1, *Zero, RegisterOperandFlag::Use); - if (!Inserted) - return std::unexpected(Inserted.error()); - return Instruction.setOpcode(instructionOpcode(InstructionOpcode::BNE)); - } - [[nodiscard]] Expected<void> selectIntegerConstant(MachineInstr &Instruction, MachineFunction &Function, const TargetDescription &Target, |
