Slava Pestov
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21a012e3d7
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compiler.cfg: Major restructuring -- do not compute liveness before local optimization, and instead change local optimizations to be more permissive of undefined values. Now, liveness is only computed once, after phi elimination and before register allocation. This means liveness analysis does not need to take phi nodes into account and can now use the new compiler.cfg.dataflow-analysis framework
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2009-07-22 03:08:28 -05:00 |
Slava Pestov
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73a2222541
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compiler.cfg.value-numbering: branch folding
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2009-07-14 19:17:12 -05:00 |
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Slava Pestov
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1db81da264
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Refactoring low-level optimizer to support stack analysis pass
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2009-05-26 19:31:19 -05:00 |
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Slava Pestov
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44bfff7c7b
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Rename ##load-indirect to ##load-reference since this is more descriptive; value numbering doesn't assign expressions to ##load-reference nodes since this would end up folding literals which were eq? but not =
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2009-01-29 01:44:58 -06:00 |
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Slava Pestov
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d723b69990
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Value numbering
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2008-10-22 21:59:07 -05:00 |
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Slava Pestov
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c0d89b061e
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Fixing register allocator prspilling
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2008-10-19 01:10:21 -05:00 |