diff options
Diffstat (limited to 'llvm/lib/Target/Alpha/AlphaInstrInfo.cpp')
-rw-r--r-- | llvm/lib/Target/Alpha/AlphaInstrInfo.cpp | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp b/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp index 89c2966f202..ad625a26941 100644 --- a/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp +++ b/llvm/lib/Target/Alpha/AlphaInstrInfo.cpp @@ -215,51 +215,6 @@ AlphaInstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB, llvm_unreachable("Unhandled register class"); } -MachineInstr *AlphaInstrInfo::foldMemoryOperandImpl(MachineFunction &MF, - MachineInstr *MI, - const SmallVectorImpl<unsigned> &Ops, - int FrameIndex) const { - if (Ops.size() != 1) return NULL; - - // Make sure this is a reg-reg copy. - unsigned Opc = MI->getOpcode(); - - MachineInstr *NewMI = NULL; - switch(Opc) { - default: - break; - case Alpha::BISr: - case Alpha::CPYSS: - case Alpha::CPYST: - if (MI->getOperand(1).getReg() == MI->getOperand(2).getReg()) { - if (Ops[0] == 0) { // move -> store - unsigned InReg = MI->getOperand(1).getReg(); - bool isKill = MI->getOperand(1).isKill(); - bool isUndef = MI->getOperand(1).isUndef(); - Opc = (Opc == Alpha::BISr) ? Alpha::STQ : - ((Opc == Alpha::CPYSS) ? Alpha::STS : Alpha::STT); - NewMI = BuildMI(MF, MI->getDebugLoc(), get(Opc)) - .addReg(InReg, getKillRegState(isKill) | getUndefRegState(isUndef)) - .addFrameIndex(FrameIndex) - .addReg(Alpha::F31); - } else { // load -> move - unsigned OutReg = MI->getOperand(0).getReg(); - bool isDead = MI->getOperand(0).isDead(); - bool isUndef = MI->getOperand(0).isUndef(); - Opc = (Opc == Alpha::BISr) ? Alpha::LDQ : - ((Opc == Alpha::CPYSS) ? Alpha::LDS : Alpha::LDT); - NewMI = BuildMI(MF, MI->getDebugLoc(), get(Opc)) - .addReg(OutReg, RegState::Define | getDeadRegState(isDead) | - getUndefRegState(isUndef)) - .addFrameIndex(FrameIndex) - .addReg(Alpha::F31); - } - } - break; - } - return NewMI; -} - static unsigned AlphaRevCondCode(unsigned Opcode) { switch (Opcode) { case Alpha::BEQ: return Alpha::BNE; |