ghc-lib-9.6.3.20231121: The GHC API, decoupled from GHC versions
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GHC.CmmToAsm.PPC.Regs

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virtualRegSqueeze :: RegClass -> VirtualReg -> Int Source #

regSqueeze_class reg Calculate the maximum number of register colors that could be denied to a node of this class due to having this reg as a neighbour.