Dan Gohman be8137b0b4 Replace TargetInstrInfo::isInvariantLoad and its target-specific ...

implementations with a new MachineInstr::isInvariantLoad, which uses
MachineMemOperands and is target-independent. This brings MachineLICM
and other functionality to targets which previously lacked an
isInvariantLoad implementation.

llvm-svn: 83475

2009-10-07 17:38:06 +00:00

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