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fix Allocas. Really. I mean it this time.
llvm-svn: 20306
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@ -220,7 +220,8 @@ void AlphaRegisterInfo::emitPrologue(MachineFunction &MF) const {
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// brackets around call sites.
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//If there is a frame pointer, then we don't do this
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NumBytes += MFI->getMaxCallFrameSize();
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std::cerr << "Added " << MFI->getMaxCallFrameSize() << " to the stack due to calls\n";
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DEBUG(std::cerr << "Added " << MFI->getMaxCallFrameSize()
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<< " to the stack due to calls\n");
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}
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if (FP)
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@ -274,6 +275,10 @@ void AlphaRegisterInfo::emitEpilogue(MachineFunction &MF,
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//now if we need to, restore the old FP
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if (FP)
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{
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//copy the FP into the SP (discards allocas)
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MI=BuildMI(Alpha::BIS, 2, Alpha::R30).addReg(Alpha::R15).addReg(Alpha::R15);
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MBB.insert(MBBI, MI);
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//restore the FP
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MI=BuildMI(Alpha::LDQ, 2, Alpha::R15).addImm(0).addReg(Alpha::R15);
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MBB.insert(MBBI, MI);
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}
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