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path: root/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
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* Now that DeadMachineInstructionElim is basically workingDan Gohman2008-09-231-6/+0
| | | | | | | correctly, it's not necessary to explicitly remove registers from their use-def lists. llvm-svn: 56509
* Track local physical register liveness. This is not the mostDan Gohman2008-09-231-3/+53
| | | | | | | efficient implementation possible, but it's pretty simple and good enough for the time being. llvm-svn: 56504
* Don't consider instructions with implicit physical registerDan Gohman2008-09-181-1/+2
| | | | | | defs to be necessarily live. llvm-svn: 56310
* Add a new MachineInstr-level DCE pass. It is very simple, and is intended toDan Gohman2008-09-171-0/+99
be used with fast-isel. llvm-svn: 56268
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