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3 Commits

Author SHA1 Message Date
Tom Stellard 49f8bfdcb7 R600/SI: Add a stub GCNTargetMachine 
This is equivalent to the AMDGPUTargetMachine now, but it is the
starting point for separating R600 and GCN functionality into separate
targets.

It is recommened that users start using the gcn triple for GCN-based
GPUs, because using the r600 triple for these GPUs will be deprecated in
the future.

llvm-svn: 225277
 2015-01-06 18:00:21 +00:00
Matt Arsenault 162c1010bd R600/SI: Move SIFixSGPRCopies to inst selector passes 
This should expose more of the actually used VALU
instructions to the machine optimization passes.

This also should help getting i1 handling into a better state.
For not entirly understood reasons, this fixes the split-scalar-i64-add.ll
test where a 64-bit add would only partially be moved to the VALU
resulting in use of undefined VCC.

llvm-svn: 222256
 2014-11-18 21:06:58 +00:00
Matt Arsenault 72858935f7 R600/SI: Fix verifier error from a branch on IMPLICIT_DEF 
SIILowerI1Copies wasn't correctly handling this case.

llvm-svn: 222020
 2014-11-14 18:43:41 +00:00