Constant propagation in word_simp
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- Dominant language
- Standard ML
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Description
At the moment, constant foldng/propagation in wordLang is limited to expressions:
https://github.com/CakeML/cakeml/blob/master/compiler/backend/word_simpScript.sml#L156
This issue is about extending it to work for instructions as well:
https://github.com/CakeML/cakeml/blob/master/compiler/backend/word_simpScript.sml#L220
(and probably other simple places that could benefit).
This was reported by @talsewell in the context of Pancake programs.
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