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SSA-based common subexpression elimination #23

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polsys opened this issue Dec 18, 2018 · 0 comments
Open
3 tasks

SSA-based common subexpression elimination #23

polsys opened this issue Dec 18, 2018 · 0 comments
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area-Optimization Optimization of the intermediate or final code. type-Feature A self-contained, possibly larger, new behavior.

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@polsys
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polsys commented Dec 18, 2018

  • Replace assignments where the right-hand side has already been seen with rewritten local references
  • Make sure that this is not too aggressive (only reference variables on executed paths...)
  • Consider whether repeated method calls with same arguments may be elided too (for some very simple definition of pure method)
@polsys polsys added type-Feature A self-contained, possibly larger, new behavior. area-Optimization Optimization of the intermediate or final code. labels Dec 18, 2018
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area-Optimization Optimization of the intermediate or final code. type-Feature A self-contained, possibly larger, new behavior.
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