Tim Renouf 10db641aab [AMDGPU] Fix to 'Fold readlane from copy of SGPR or imm' ...

That change (r363670) could leave a copy from vgpr to sgpr. Fixed.

Differential Revision: https://reviews.llvm.org/D66133

Change-Id: I00c3fe6fda2e8e1e36f53195b881b1449c777ea4
llvm-svn: 368736

2019-08-13 18:57:55 +00:00

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