[SimplifyCFG] Simplify identical predecessors - #173022

Merged

Camsyn merged 23 commits into

Camsyn:merge-dup-pred

Mar 12, 2026

Commits on Dec 22, 2025

before-commit test
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00b4bc8
feat: impl generic dup preds merging
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2c17166
after-commit test
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de6a50d
Regenerate some existing tests
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0c22056
Update amd gpu testcase
Camsyn
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449be6a

Commits on Dec 31, 2025

Generalize simplifyDuplicateSwitchArms
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1eb22ec
CompTime: retain canonical loop
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2b5e550
Update tests after generalize simplifyDuplicateSwitchArms
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8d7d089
[NFC] Minor equivalent changes on tests
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b097834
Treat common pred merging as sink-common-code
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507b32e
Regen tests after take the opt as sink-common-insts
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42e53fd

Commits on Jan 2, 2026

Fix crash by ignoring BB without pred
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3954276
Adjust some comments/var name
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a0fc5fd

Commits on Mar 5, 2026

Follow reviewer's suggestions
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e91d6fd
Fix hash | More comp-time fine-tuning
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cc52dfb
Follow the reviewer's comments
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8c1a39e
Adhere to the review comments
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8a6e45c
hasNPredecessors(0) -> pred_empty
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7a63868
Adhere to the review comments
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e520c4b
Adhere to the review comments
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a57a6af
Add a test to cover `BB->hasAddressTaken()`
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ad30391
Minor change for comments
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6473cd5

Commits on Mar 6, 2026

Simplify lambda
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168a835