Owen Anderson
32d31bc5cc
Enable stack slot coloring DCE. Evan's spiller fixes were needed before this could happen.
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llvm-svn: 65501
2009-02-26 04:47:57 +00:00
Owen Anderson
ffcb59129f
Add a debugging option for SSC DCE.
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llvm-svn: 65375
2009-02-24 05:44:18 +00:00
Owen Anderson
9268f1ec92
Add a quick pass to the stack slot colorer to eliminate some trivially redundant spills after coloring.
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Ideally these would never get created in the first place, but until we enhance the spiller to have a more
global picture of what's happening, this is necessary for code quality in some circumstances.
llvm-svn: 65120
2009-02-20 09:11:36 +00:00
Dan Gohman
c157324a23
Teach StackSlotColoring to update MachineMemOperands when
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changing the stack slots on an instruction, to keep them
consistent with the actual memory addresses.
llvm-svn: 60584
2008-12-05 05:31:14 +00:00
Dan Gohman
2ed6f318da
Adjust whitespace in debug messages to be more consistent
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with other debug messages.
llvm-svn: 57543
2008-10-15 02:57:38 +00:00
Dan Gohman
30c5ce1b7d
Switch the MachineOperand accessors back to the short names like
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isReg, etc., from isRegister, etc.
llvm-svn: 57006
2008-10-03 15:45:36 +00:00
Evan Cheng
1ded8b6ad6
Instead of setPreservesAll, just mark them preseving machine loop info and machine dominators.
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llvm-svn: 56475
2008-09-22 22:21:38 +00:00
Evan Cheng
3bcf0cdd72
Mark several codegen passes as preserving all analysis.
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llvm-svn: 56469
2008-09-22 20:58:04 +00:00
Dan Gohman
e1f9be27bc
Tidy up several unbeseeming casts from pointer to intptr_t.
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llvm-svn: 55779
2008-09-04 17:05:41 +00:00
Dan Gohman
1f42b96c7e
Make stack slot coloring's debug output more consistent with
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other passes.
llvm-svn: 53415
2008-07-10 19:49:32 +00:00
Evan Cheng
73bdede529
Remove option used to debug stack coloring bugs. It's no longer needed since stack coloring is now bug free.
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llvm-svn: 52644
2008-06-23 21:24:32 +00:00
Evan Cheng
6e5a126667
Instead of adding an isSS field to LiveInterval to denote stack slot. Use top bit of 'reg' instead. If the top bit is set, than the LiveInterval represents a stack slot live interval.
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llvm-svn: 52639
2008-06-23 21:03:19 +00:00
Evan Cheng
2fc7954878
Add a stack slot coloring pass. Not yet enabled.
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llvm-svn: 51934
2008-06-04 09:18:41 +00:00
