Dan Gohman
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676145f02d
|
Now that DeadMachineInstructionElim is basically working
correctly, it's not necessary to explicitly remove registers
from their use-def lists.
llvm-svn: 56509
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2008-09-23 22:04:18 +00:00 |
|
Dan Gohman
|
269999cb03
|
Track local physical register liveness. This is not the most
efficient implementation possible, but it's pretty simple and
good enough for the time being.
llvm-svn: 56504
|
2008-09-23 21:40:44 +00:00 |
|
Dan Gohman
|
f3d647e00b
|
Don't consider instructions with implicit physical register
defs to be necessarily live.
llvm-svn: 56310
|
2008-09-18 18:22:32 +00:00 |
|
Dan Gohman
|
c24cd015a7
|
Add a new MachineInstr-level DCE pass. It is very simple, and is intended to
be used with fast-isel.
llvm-svn: 56268
|
2008-09-17 00:43:24 +00:00 |
|