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[ARM] Use rGPR for writeback vldrs

Authored by dmgreen on Feb 16 2021, 8:44 AM.

Description

[ARM] Use rGPR for writeback vldrs

From what I can tell, a writeback is unpredictable with LR for both
loads and stores. This changes the operand from a gprnopc to a rGPR in
both cases (which I believe is essentially a NFC due to the tied-def
already being a rGPR.)

Differential Revision: https://reviews.llvm.org/D96723

Details

Committed
dmgreenFeb 16 2021, 8:44 AM
Differential Revision
D96723: [ARM] Use rGPR for writeback vldrs
Parents
rGa7455d7b7ce3: AMDGPU: Remove kills following clusters of memory instruction
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