Vladislav Dzhidzhoev 6cf11f4462 [GlobalISel][DebugInfo] Salvage trivially dead instructions ...

Use salvageDebugInfo for instructions erased as trivially dead in
GlobalISel.

It would be helpful to implement support of G_PTR_ADD and G_FRAME_INDEX
in salvageDebugInfo in future in order to preserve more variable
location.

Reviewed by: arsenm

Differential Revision: https://reviews.llvm.org/D133986

2022-09-17 03:54:55 +03:00

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