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Author SHA1 Message Date
Matt Arsenault 633d749da7 amdgpu: Use right builtn for rsq 
The r600 path has never actually worked sinced double is not implemented
there.

llvm-svn: 276009
 2016-07-19 19:02:01 +00:00
Matt Arsenault a48e15c6cb Split sources for amdgcn and r600 
Most files remain in a common amdgpu directory.

Also switches barriers to to use convergent,
and use llvm.amdgcn.s.barrier.

This now requires 3.9/trunk to build amdgcn.

llvm-svn: 260777
 2016-02-13 01:01:59 +00:00