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Author SHA1 Message Date
Scott Linder 823549a6ec [AMDGPU] Legalize VGPR Rsrc operands for MUBUF instructions 
Emit a waterfall loop in the general case for a potentially-divergent Rsrc
operand. When practical, avoid this by using Addr64 instructions.

Recommits r341413 with changes to update the MachineDominatorTree when present.

Differential Revision: https://reviews.llvm.org/D51742

llvm-svn: 343992
 2018-10-08 18:47:01 +00:00
Scott Linder 834cbc645c Revert r341413 
Causes a regression in expensive checks.

llvm-svn: 341589
 2018-09-06 21:38:56 +00:00
Scott Linder dfe089dfd1 [AMDGPU] Legalize VGPR Rsrc operands for MUBUF instructions 
Emit a waterfall loop in the general case for a potentially-divergent Rsrc
operand. When practical, avoid this by using Addr64 instructions.

Differential Revision: https://reviews.llvm.org/D50982

llvm-svn: 341413
 2018-09-04 21:50:47 +00:00