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Commit e148ceaf authored by Bob Wilson's avatar Bob Wilson
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Add a new pre-allocation pass to assign adjacent registers for Neon instructions

that have that constraint.  This is currently just assigning a fixed set of
registers, and it only handles VLDn for n=2,3,4 with DPR registers.
I'm going to expand it to handle more operations next; we can make it smarter
once everything is working correctly.

llvm-svn: 78256
parent 741ea0d7
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