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When there is a 2-instruction spill sequence, record
the second (store) instruction in SpillSlotToUsesMap consistently. I don't think this matters functionally, but it's cleaner and Evan wants it this way. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85463 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -1432,7 +1432,7 @@ private:
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MachineBasicBlock::iterator oldNextMII = next(MII);
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TII->storeRegToStackSlot(MBB, next(MII), PhysReg, true, StackSlot, RC);
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MachineInstr *StoreMI = next(MII);
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MachineInstr *StoreMI = prior(oldNextMII);
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VRM.addSpillSlotUse(StackSlot, StoreMI);
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DEBUG(errs() << "Store:\t" << *StoreMI);
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@ -1751,8 +1751,9 @@ private:
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const TargetRegisterClass *RC = RegInfo->getRegClass(VirtReg);
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unsigned Phys = VRM.getPhys(VirtReg);
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int StackSlot = VRM.getStackSlot(VirtReg);
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MachineBasicBlock::iterator oldNextMII = next(MII);
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TII->storeRegToStackSlot(MBB, next(MII), Phys, isKill, StackSlot, RC);
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MachineInstr *StoreMI = next(MII);
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MachineInstr *StoreMI = prior(oldNextMII);
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VRM.addSpillSlotUse(StackSlot, StoreMI);
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DEBUG(errs() << "Store:\t" << *StoreMI);
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VRM.virtFolded(VirtReg, StoreMI, VirtRegMap::isMod);
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