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Commit b81495dc authored by Matt Arsenault's avatar Matt Arsenault
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AMDGPU: Match load d16 hi instructions 

Also starts selecting global loads for constant address
in some cases. Some end up selecting to mubuf still, which
requires investigation.

We still get sub-optimal regalloc and extra waitcnts inserted
due to not really tracking the liveness of the separate register
halves.

llvm-svn: 313716
parent e08ccfe3
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