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54 Commits

Author SHA1 Message Date
Dan Gohman 9da02f5ee2 Remove isReg, isImm, and isMBB, and change all their users to use 
isRegister, isImmediate, and isMachineBasicBlock, which are equivalent,
and more popular.

llvm-svn: 41958
 2007-09-14 20:33:02 +00:00
Christopher Lamb e081928f49 Move isSubRegOf into MRegisterInfo. Fix a missed move elimination in LowerSubregs and add more debugging output there. 
llvm-svn: 41005
 2007-08-10 21:11:55 +00:00
Christopher Lamb 2e5fb9f71e Implement review feedback. No functionality change. 
llvm-svn: 40863
 2007-08-06 16:33:56 +00:00
Christopher Lamb e9d738cefc Add a MachineFunction pass, which runs post register allocation, that turns subreg insert/extract instruction into register copies. This ensures correct code gen if the coalescer isn't able to remove all subreg instructions. 
llvm-svn: 40521
 2007-07-26 08:18:32 +00:00