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Fix problem fusing spill code into instructions: we didn't update the live
variable information to take into account the change of instruction address. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11628 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -496,6 +496,9 @@ MachineInstr *RA::reloadVirtReg(MachineBasicBlock &MBB, MachineInstr *MI,
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MachineBasicBlock::iterator MII = MI;
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if (RegInfo->foldMemoryOperand(MII, OpNum, FrameIndex)) {
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++NumFused;
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// Since we changed the address of MI, make sure to update live variables
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// to know that the new instruction has the properties of the old one.
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LV->instructionChanged(MI, MII);
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return MII;
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}
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