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path: root/llvm/lib/CodeGen/DeadMachineInstructionElim.cpp
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* Switch the MachineOperand accessors back to the short names likeDan Gohman2008-10-031-3/+3
| | | | | | isReg, etc., from isRegister, etc. llvm-svn: 57006
* Add debug output to this pass.Dan Gohman2008-09-251-0/+2
| | | | llvm-svn: 56602
* Refactor the logic for testing if an instruction is dead into aDan Gohman2008-09-241-37/+48
| | | | | | separate method. llvm-svn: 56531
* Set SetStore to false, to allow this pass to deleteDan Gohman2008-09-241-1/+2
| | | | | | dead loads. llvm-svn: 56529
* 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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