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llvm / circt

Circuit IR Compilers and Tools
https://circt.org
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[FIRRTL][ExpandWhens] Add StmtExprVisitor to Visitor and Support DPI intrinsic in ExpandWhens #7177

Closed uenoku closed 2 weeks ago

uenoku commented 2 weeks ago

This adds StmtExprVisitor struct for visitor to handle operations with an optional result. Currently GenericIntrinsicOpand DPICallIntrinsicOp are added.

Besides that ExpandWhens is modified to handle DPI intrinsic.