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don't emit 'add %o6, 0, %o6' instructions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24857 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -77,11 +77,12 @@ void SparcV8RegisterInfo::
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eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
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eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
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MachineBasicBlock::iterator I) const {
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MachineBasicBlock::iterator I) const {
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MachineInstr &MI = *I;
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MachineInstr &MI = *I;
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int size = MI.getOperand (0).getImmedValue ();
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int Size = MI.getOperand(0).getImmedValue();
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if (MI.getOpcode () == V8::ADJCALLSTACKDOWN)
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if (MI.getOpcode() == V8::ADJCALLSTACKDOWN)
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size = -size;
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Size = -Size;
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BuildMI (MBB, I, V8::ADDri, 2, V8::O6).addReg (V8::O6).addSImm (size);
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if (Size)
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MBB.erase (I);
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BuildMI(MBB, I, V8::ADDri, 2, V8::O6).addReg(V8::O6).addSImm(Size);
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MBB.erase(I);
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}
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}
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void
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void
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@ -77,11 +77,12 @@ void SparcV8RegisterInfo::
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eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
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eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
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MachineBasicBlock::iterator I) const {
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MachineBasicBlock::iterator I) const {
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MachineInstr &MI = *I;
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MachineInstr &MI = *I;
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int size = MI.getOperand (0).getImmedValue ();
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int Size = MI.getOperand(0).getImmedValue();
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if (MI.getOpcode () == V8::ADJCALLSTACKDOWN)
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if (MI.getOpcode() == V8::ADJCALLSTACKDOWN)
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size = -size;
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Size = -Size;
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BuildMI (MBB, I, V8::ADDri, 2, V8::O6).addReg (V8::O6).addSImm (size);
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if (Size)
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MBB.erase (I);
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BuildMI(MBB, I, V8::ADDri, 2, V8::O6).addReg(V8::O6).addSImm(Size);
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MBB.erase(I);
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}
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}
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void
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void
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