Jeffrey Byrnes f2942b9077 [CodeGen] NFC: Move isDead to MachineInstr (#123531) ...

Provide isDead interface for access to ad-hoc isDead queries.
LivePhysRegs is optional: if not provided, pessimistically check
deadness of a single MI without doing the LivePhysReg walk; if provided
it is assumed to be at the position of MI.

2025-01-23 12:54:29 -08:00

3.9 KiB

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