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[AMDGPU] Minimize number of s_mov generated by copyPhysReg

Authored by critson on Oct 15 2020, 2:40 AM.

Description

[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

Details

Committed
critsonOct 15 2020, 6:35 AM
Reviewer
foad
Differential Revision
D89187: [AMDGPU] Minimize number of s_mov generated by copyPhysReg
Parents
rG145e44bb1885: [SVE]Fix implicit TypeSize casts in EmitCheckValue
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