pvanhout c3cfbbc416 [GlobalISel] Add dead flags to implicit defs in ISel ...

Checks for implicit defs that are unused within a pattern and mark them as dead.

This is done directly at the TableGen level forr efficiency.
The instructions are directly created with the "dead" operand and no further analysis is needed later.

Reviewed By: arsenm

Differential Revision: https://reviews.llvm.org/D157273

2023-08-09 14:20:51 +02:00

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