[llvm-commits] [PATCH] TableGen backend support to express relations between instruction

[Jyotsna Verma]

Hi,

 

This patch adds TableGen support to create the relationship maps between
instructions. I have added a new class 'InstrMapping' in Target.td file to
model relations. New functionality in TableGen parses InstrMapping records
and uses the information to generate relation map for the corresponding
relations. TableGen outputs it into  tables which are included at the end of
*GenInstrInfo.inc file. It also outputs functions to query these tables.

 

Please review the patch and let me know your comments.

 

Thanks,

Jyotsna

 

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