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Improve morphing of bit comparisons to constant 0/1 #73120

Merged
merged 12 commits into from
Sep 6, 2022
Merged

Improve morphing of bit comparisons to constant 0/1 #73120

merged 12 commits into from
Sep 6, 2022

Commits on Jul 31, 2022

  1. Morph (x >> y & 1) NE/EQ 0/1 into (x & (1 << y)) NE/EQ 0

    @dubiousconst282
    dubiousconst282 committed Jul 31, 2022
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  2. Fix cond reversing

    @dubiousconst282
    dubiousconst282 committed Jul 31, 2022
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  3. Transform TEST_NE(x, 1) into AND(x, 1)

    @dubiousconst282
    dubiousconst282 committed Jul 31, 2022
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  4. Recalculate containment when changing TEST to AND

    @dubiousconst282
    dubiousconst282 committed Jul 31, 2022
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  5. Fix formatting

    @dubiousconst282
    dubiousconst282 committed Jul 31, 2022
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Commits on Aug 1, 2022

  1. Update node flags when changing operands

    @dubiousconst282
    dubiousconst282 committed Aug 1, 2022
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  2. Check heuristic before morphing

    @dubiousconst282
    dubiousconst282 committed Aug 1, 2022
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Commits on Aug 2, 2022

  1. Revert TEST_NE -> AND, do it earlier and check for LSH

    @dubiousconst282
    dubiousconst282 committed Aug 2, 2022
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  2. Use SetAllEffectsFlags() instead of manual bit ops

    @dubiousconst282
    dubiousconst282 committed Aug 2, 2022
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  3. Fix formatting

    @dubiousconst282
    dubiousconst282 committed Aug 2, 2022
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Commits on Aug 3, 2022

  1. Remove unnecessary check

    @dubiousconst282
    dubiousconst282 committed Aug 3, 2022
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Commits on Aug 27, 2022

  1. Merge branch 'main' into bt-shift-morph

    @dubiousconst282
    dubiousconst282 committed Aug 27, 2022
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