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Another bug fix for empty MBB's
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11716 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -653,7 +653,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
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const TargetInstrInfo &TII = TM->getInstrInfo();
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MI = MBB.end();
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while (MI != MBB.begin() && TII.isTerminatorInstr((--MI)->getOpcode()));
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++MI;
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if (MI != MBB.end()) ++MI;
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// Spill all physical registers holding virtual registers now.
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for (unsigned i = 0, e = RegInfo->getNumRegs(); i != e; ++i)
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