[TableGen] Look up registers directly in the CodeGenRegBank in CompressInstEmitter, rather than indirecting via the name. (#161853) #255
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…ssInstEmitter, rather than indirecting via the name. (#161853) The previous code was subtly incorrect, as it indexed the RegistersByName map using the tblgen Def name of the register, rather than the AsmName with which the table was initialized. But all of this indirection via the name was unnecessary.
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The previous code was subtly incorrect, as it indexed the RegistersByName map using the tblgen Def name of the register, rather than the AsmName with which the table was initialized. But all of this indirection via the name was unnecessary.