Backend

Per-architecture behaviour, kept out of the passes.

Passes never branch on BackendType. Everything architecture-specific — codegen target, runtime API names, hazard workarounds, cross-core layout rules — is answered by a BackendHandler obtained from the active PassContext. Adding an architecture means adding a handler, not editing passes.

Page	What it covers
BackendHandler: principled backend dispatch	The virtual interface, how passes query it, and what adding a new backend requires

See Also

• Pass, PassContext, PassPipeline, and PassManager — where the handler comes from.
• PTO ISA reference — the hardware differences the handlers abstract over.