    Specify Regions in LangRef
    Specify Regions in LangRef

    Region is the generalization of a function body (a list of blocks forming a CFG) to be allowed to be enclosed inside any operation. This nesting of IR is already leveraged in the affine dialect to support `affine.for`, `affine.if`, and `gpu.launch` operations.

--

PiperOrigin-RevId: 246766830

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