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3 Commits

Author SHA1 Message Date
Matt Arsenault 45b98189bd AMDGPU: Don't use MUBUF vaddr if address may overflow 
Effectively revert r263964. Before we would not
allow this if vaddr was not known to be positive.

llvm-svn: 318240
 2017-11-15 00:45:43 +00:00
Matt Arsenault 4b7938c658 AMDGPU: Fix not converting d16 load/stores to offset 
Fixes missed optimization with new MUBUF instructions.

llvm-svn: 318106
 2017-11-13 23:24:26 +00:00
Matt Arsenault e1cd482fda AMDGPU: Select d16 loads into low component of register 
llvm-svn: 318005
 2017-11-13 00:22:09 +00:00