llvm-project
[WebAssembly] Reapply "[WebAssembly] Incorporate SCCs into WebAssemblyFixIrreducibleControlFlow" (#181755)
#184441

Merged

[WebAssembly] Reapply "[WebAssembly] Incorporate SCCs into WebAssemblyFixIrreducibleControlFlow" (#181755) #184441

QuantumSegfault merged 9 commits into llvm:main from QuantumSegfault:wasm-fix-irreducible-cfg-fix

Incorporate SCCs into WebAssemblyFixIrreducibleControlFlow

001ba61b

Remove needless forward decl. Use `DenseMap::at` in `getNode`

797eb132

Minor tweaks

24c936f4

Update time complexity. Use `LoopEntriesBySCC.back()`

912a9593

Fix warning due to unused variable in release/NDEBUG builds

989263c2

llvmbot added backend:WebAssembly

QuantumSegfault requested a review from

dschuff 111 days ago

QuantumSegfault requested a review from

aheejin 111 days ago

Keep isolated orphan blocks from tripping assertions

92bb3bd2

QuantumSegfault force pushed to 92bb3bd2 111 days ago

dschuff approved these changes on 2026-03-04

aheejin commented on 2026-03-04

Add regression test based on reproducer.

b53b29e2

Revert "Keep isolated orphan blocks from tripping assertions"

48690ae2

Add `UnreachableMachineBlockElim` pass running before

ed8e671d

aheejin approved these changes on 2026-03-05

QuantumSegfault merged 0a76568d into main 109 days ago

aheejin added this to the LLVM 22.x Release milestone 75 days ago

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aheejin

dschuff

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backend:WebAssembly

Milestone

LLVM 22.x Release