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Don't define the same register twice when loading a ConstantPointerRef to a reg
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14819 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -526,10 +526,8 @@ void ISel::copyConstantToRegister(MachineBasicBlock *MBB,
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// Copy zero (null pointer) to the register.
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BuildMI(*MBB, IP, PPC32::ADDI, 2, R).addReg(PPC32::R0).addImm(0);
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} else if (ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(C)) {
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BuildMI(*MBB, IP, PPC32::ADDIS, 2, R).addReg(PPC32::R0)
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.addGlobalAddress(CPR->getValue());
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BuildMI(*MBB, IP, PPC32::ORI, 2, R).addReg(PPC32::R0)
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.addGlobalAddress(CPR->getValue());
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unsigned AddrReg = getReg(CPR->getValue(), MBB, IP);
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BuildMI(*MBB, IP, PPC32::OR, 2, R).addReg(AddrReg).addReg(AddrReg);
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} else {
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std::cerr << "Offending constant: " << C << "\n";
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assert(0 && "Type not handled yet!");
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@ -526,10 +526,8 @@ void ISel::copyConstantToRegister(MachineBasicBlock *MBB,
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// Copy zero (null pointer) to the register.
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BuildMI(*MBB, IP, PPC32::ADDI, 2, R).addReg(PPC32::R0).addImm(0);
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} else if (ConstantPointerRef *CPR = dyn_cast<ConstantPointerRef>(C)) {
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BuildMI(*MBB, IP, PPC32::ADDIS, 2, R).addReg(PPC32::R0)
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.addGlobalAddress(CPR->getValue());
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BuildMI(*MBB, IP, PPC32::ORI, 2, R).addReg(PPC32::R0)
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.addGlobalAddress(CPR->getValue());
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unsigned AddrReg = getReg(CPR->getValue(), MBB, IP);
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BuildMI(*MBB, IP, PPC32::OR, 2, R).addReg(AddrReg).addReg(AddrReg);
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} else {
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std::cerr << "Offending constant: " << C << "\n";
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assert(0 && "Type not handled yet!");
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