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Commit d8a423cd authored by Hal Finkel's avatar Hal Finkel
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Update PPCRegisterInfo's use of virtual registers to be SSA 

PPC's use of PEI's virtual-register-based scavenging functionality had
redefined the virtual registers (it was non-SSA). Now that PEI supports
dealing with instructions with multiple virtual registers, this can be
cleanup up to use multiple virtual registers and keep SSA form.

No functionality change intended.

llvm-svn: 178059
parent 4e05788c
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