Jeffrey Byrnes e77d428e46 [AMDGPU] Do not remat instructions with PhysReg uses (#124366) ...

This blocks rematerialization during scheduling if the instruction has a
non accepted PhysReg use.

Currently, there aren't any checks like this in place, and we may create
invalid code: https://godbolt.org/z/xjPjdcorf

2025-01-27 10:50:06 -08:00

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