Eric Christopher 188c856c38 Instead of the TargetMachine cache the MachineFunction
and TargetRegisterInfo in the peephole optimizer. This
makes it easier to grab subtarget dependent variables off
of the MachineFunction rather than the TargetMachine.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219669 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-14 07:17:20 +00:00
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