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hakorune/dev/cranelift/README.md

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Cranelift JIT/AOT Dev
Focus: Cranelift JITdirect and AOT (object emit + link with `libnyrt.a`).
Quick AOT Smoke
- Build core (once):
- `cargo build --release --features cranelift-jit`
- Lower to object + link with NyRT:
- `NYASH_DISABLE_PLUGINS=1 tools/aot_smoke_cranelift.sh apps/smokes/jit_aot_string_min.nyash app_str`
- Run app:
- `./app_str`
Useful env toggles
- `NYASH_JIT_DUMP=1`: show JIT lowering summary
- `NYASH_JIT_TRACE_LOCAL=1`: trace local slot loads/stores
- `NYASH_JIT_TRACE_RET=1`: trace return path
- `NYASH_JIT_TRACE_LEN=1`: trace string/any len thunks
- `NYASH_JIT_DISABLE_LEN_CONST=1`: disable early constfold for String.length
Notes
- For AOT linking: requires `libnyrt.a` from `crates/nyrt` (built by `cargo build --release`).
- Use `target/aot_objects/` as scratch; keep perexperiment subfolders if needed.