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3 Commits

Author SHA1 Message Date
Ahmed Bougacha faf8e9f8c6 [GlobalISel] Don't legalize non-generic instructions. 
They don't have types and should be legal.

llvm-svn: 277446
 2016-08-02 11:41:09 +00:00
Tim Northover 884b47ecfd GlobalISel: remove redundant ';'s. NFC 
llvm-svn: 276723
 2016-07-26 03:29:18 +00:00
Tim Northover 33b07d6725 GlobalISel: implement legalization pass, with just one transformation. 
This adds the actual MachineLegalizeHelper to do the work and a trivial pass
wrapper that legalizes all instructions in a MachineFunction. Currently the
only transformation supported is splitting up a vector G_ADD into one acting on
smaller vectors.

llvm-svn: 276461
 2016-07-22 20:03:43 +00:00