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3 Commits

Author SHA1 Message Date
Matt Arsenault faeaedf8e9 GlobalISel: Remove unsigned variant of SrcOp 
Force using Register.

One downside is the generated register enums require explicit
conversion.

llvm-svn: 364194
 2019-06-24 16:16:12 +00:00
Matt Arsenault e3a676e9ad CodeGen: Introduce a class for registers 
Avoids using a plain unsigned for registers throughoug codegen.
Doesn't attempt to change every register use, just something a little
more than the set needed to build after changing the return type of
MachineOperand::getReg().

llvm-svn: 364191
 2019-06-24 15:50:29 +00:00
Tim Northover 3d7a057b0d CodeGen: factor out swifterror value tracking. 
llvm-svn: 361607
 2019-05-24 08:39:43 +00:00