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[Synth] Add a folder/canonicalization for synth.xor_inv

good first issueGood for newcomersGood for newcomers

Synth

Status: Open.

#10270 In llvm/circt;

· uenoku opened on Apr 18, 2026

[ExportVerilog] Add ExportVerilogPipeline (Prettify, HWLegalizeModules, ExportVerilog) etc

Status: Open.

#10268 In llvm/circt;

· uenoku opened on Apr 18, 2026

[domaintool][OM] Assertion failure when bouncing through extra object

bugSomething isn't workingSomething isn't working

OMObject ModelObject Model

Status: Open.

#10264 In llvm/circt;

· seldridge opened on Apr 17, 2026

[circt-test] Print empty array instead of "no tests" when printing JSON

bugSomething isn't workingSomething isn't working

Status: Open.

#10262 In llvm/circt;

· fabianschuiki opened on Apr 17, 2026

[FIRRTL] Expand Whens Doesn't Check firrtl.wire initialization of domain type

bugSomething isn't workingSomething isn't working

FIRRTLInvolving the `firrtl` dialectInvolving the `firrtl` dialect

Status: Open.

#10248 In llvm/circt;

· seldridge opened on Apr 17, 2026

ImportVerilog lowers ConversionExpression with the wrong signedness

ImportVerilog

Status: Open.

#10234 In llvm/circt;

· kaituo-crypto opened on Apr 16, 2026

[Arc] Non-determinism in SplitFuncPass

ArcInvolving the `arc` dialectInvolving the `arc` dialect

bugSomething isn't workingSomething isn't working

Status: Open.

#10215 In llvm/circt;

· uenoku opened on Apr 15, 2026

[Comb] Assertion failure in type inference for width-changing ops (e.g. ConcatOp) with symbolic hw::IntType

Status: Open.

#10207 In llvm/circt;

· mafeguimaraes opened on Apr 14, 2026

[Synth][FunctionalReduction] Refine equiv class candidates using counterexamples

Synth

Status: Open.

#10192 In llvm/circt;

· uenoku opened on Apr 13, 2026

[MooreToCore] Bugs breaking SV compilation: Ternary logic, DisableIff, and ClockingBlock

Status: Open.

#10191 In llvm/circt;

· thcoura opened on Apr 13, 2026

[ARC] arcilator fails to legalize 'llhd.process' during class instantiation lowering

Status: Open.

#10187 In llvm/circt;

· m2kar opened on Apr 12, 2026

[CIRCT-VERILOG][ARC] arcilator fails on valid SystemVerilog always_ff with async reset

Status: Open.

#10186 In llvm/circt;

· m2kar opened on Apr 12, 2026