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Fix a few more bugs:
1) Assign stack slots to new temporaries. 2) Don't insert an interval into the return vector more than once. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54956 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1608,7 +1608,7 @@ std::vector<LiveInterval*> LiveIntervals::
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addIntervalsForSpillsFast(const LiveInterval &li,
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const MachineLoopInfo *loopInfo,
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VirtRegMap &vrm, float& SSWeight) {
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vrm.assignVirt2StackSlot(li.reg);
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unsigned slot = vrm.assignVirt2StackSlot(li.reg);
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std::vector<LiveInterval*> added;
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@ -1631,9 +1631,13 @@ addIntervalsForSpillsFast(const LiveInterval &li,
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// Create a new virtual register for the spill interval.
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MachineOperand& MO = RI.getOperand();
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unsigned NewVReg = 0;
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bool newInt = false;
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if (!VRegMap.count(MO.getParent())) {
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VRegMap[MO.getParent()] = NewVReg = mri_->createVirtualRegister(rc);
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vrm.grow();
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vrm.assignVirt2StackSlot(NewVReg, slot);
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newInt = true;
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} else
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NewVReg = VRegMap[MO.getParent()];
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@ -1666,8 +1670,9 @@ addIntervalsForSpillsFast(const LiveInterval &li,
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DOUT << " +" << LR;
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nI.addRange(LR);
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}
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added.push_back(&nI);
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if (newInt)
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added.push_back(&nI);
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DOUT << "\t\t\t\tadded new interval: ";
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DEBUG(nI.dump());
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