From 70ed5e89ee0bcfa8a0213a9ab7948e6557351e0b Mon Sep 17 00:00:00 2001 From: Matt Arsenault Date: Thu, 18 Sep 2025 08:54:13 +0900 Subject: [PATCH] AMDGPU: Remove override of TargetInstrInfo::getRegClass This should not be overridable and the special case hacks have been replaced with RegClassByHwMode --- llvm/lib/Target/AMDGPU/SIInstrInfo.cpp | 13 ------------- llvm/lib/Target/AMDGPU/SIInstrInfo.h | 4 ---- 2 files changed, 17 deletions(-) diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp index f2ad8886b3871..751dc6f2cfe93 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -6031,19 +6031,6 @@ SIInstrInfo::getWholeWaveFunctionSetup(MachineFunction &MF) const { llvm_unreachable("Couldn't find SI_SETUP_WHOLE_WAVE_FUNC instruction"); } -// FIXME: This should not be an overridable function. All subtarget dependent -// operand modifications should go through isLookupRegClassByHwMode in the -// generic handling. -const TargetRegisterClass * -SIInstrInfo::getRegClass(const MCInstrDesc &TID, unsigned OpNum, - const TargetRegisterInfo *TRI) const { - if (OpNum >= TID.getNumOperands()) - return nullptr; - const MCOperandInfo &OpInfo = TID.operands()[OpNum]; - int16_t RegClass = getOpRegClassID(OpInfo); - return RegClass < 0 ? nullptr : RI.getRegClass(RegClass); -} - const TargetRegisterClass *SIInstrInfo::getOpRegClass(const MachineInstr &MI, unsigned OpNo) const { const MCInstrDesc &Desc = get(MI.getOpcode()); diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.h b/llvm/lib/Target/AMDGPU/SIInstrInfo.h index e979eeb0bdf3a..475d439b2ac35 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.h +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.h @@ -1562,10 +1562,6 @@ class SIInstrInfo final : public AMDGPUGenInstrInfo { /// Return true if this opcode should not be used by codegen. bool isAsmOnlyOpcode(int MCOp) const; - const TargetRegisterClass * - getRegClass(const MCInstrDesc &TID, unsigned OpNum, - const TargetRegisterInfo *TRI) const override; - void fixImplicitOperands(MachineInstr &MI) const; MachineInstr *foldMemoryOperandImpl(MachineFunction &MF, MachineInstr &MI,