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6 Commits

Author SHA1 Message Date
Evan Cheng 61732d994e Added debugging routine dumpUses. 
llvm-svn: 47042
 2008-02-13 02:45:38 +00:00
Dan Gohman 3a4be0fdef Rename MRegisterInfo to TargetRegisterInfo. 
llvm-svn: 46930
 2008-02-10 18:45:23 +00:00
Chris Lattner 0cb9dd7aa2 switch the register iterator to act more like hte LLVM value iterator: dereferencing 
it now returns the machineinstr of the use.  To get the operand, use I.getOperand().

Add a new MachineRegisterInfo::replaceRegWith, which is basically like
Value::replaceAllUsesWith.

llvm-svn: 45482
 2008-01-01 20:36:19 +00:00
Chris Lattner 39204d76c5 Add a trivial but handy function to efficiently return the machine 
instruction that defines the specified vreg.  Crazy.

llvm-svn: 45480
 2008-01-01 03:07:29 +00:00
Chris Lattner 961e7427ea Implement automatically updated def/use lists for all MachineInstr register 
operands.  The lists are currently kept in MachineRegisterInfo, but it does
not yet provide an iterator interface to them.

llvm-svn: 45477
 2008-01-01 01:12:31 +00:00
Chris Lattner a10fff51d9 Rename SSARegMap -> MachineRegisterInfo in keeping with the idea 
that "machine" classes are used to represent the current state of
the code being compiled.  Given this expanded name, we can start 
moving other stuff into it.  For now, move the UsedPhysRegs and
LiveIn/LoveOuts vectors from MachineFunction into it.

Update all the clients to match.

This also reduces some needless #includes, such as MachineModuleInfo
from MachineFunction.

llvm-svn: 45467
 2007-12-31 04:13:23 +00:00