Commit b70cb502 authored by Carl Ritson's avatar Carl Ritson
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[AMDGPU] Minimize number of s_mov generated by copyPhysReg 

Generate the minimal set of s_mov instructions required when
expanding a SGPR copy operation in copyPhysReg.

Reviewed By: foad

Differential Revision: https://reviews.llvm.org/D89187
parent 145e44bb
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