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nyash-codex e326e787a4 release: v21.0.0 – Full Self‑Hosting (S1/S2/S3 complete)

- DoD met: S1/S2 determinism (const/compare/threeblock-collect), PRIMARY hv1 inline no-fallback, S3 (llvmlite+kernel) reps green
- Harness: v1→llvmlite direct, EXE links to libnyash_kernel.a
- Python LLVM builder fixes: cmp normalization, ret PHI synthesis, mir_call flat shape
- Using/alias polish (prod): modules-first; missing aliases added; duplicate using cleaned
- Docs: phase-21.0 COMPLETE; CurrentTask closed; release notes added

2025-11-06 16:59:34 +09:00

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Phase 21.0 — Full Self‑Hosting (Release Notes)

Date: 2025‑11‑06 Status: COMPLETE

Summary

Hakorune can now build Hakorune end‑to‑end under the defined DoD:

S1/S2 (deterministic v1 emit): const/compare/threeblock‑collect repeat 3× with identical normalized hash.
PRIMARY (no‑fallback): hv1 inline minimal reps (Option‑A/B) are green.
S3 (llvmlite + Nyash Kernel): link + run representatives pass with expected return codes.

What changed

v1 → llvmlite harness direct path
- tools/ny_mir_builder.sh now feeds v1 JSON straight to the Python harness and links against libnyash_kernel.a.
Python LLVM builder fixes
- compare: supports cmp (Lt/Le/Gt/Ge/Eq/Ne) and normalizes to <, <=, >, >=, ==, !=.
- ret: synthesizes a small PHI at block head to avoid ret=0 on multi‑pred blocks.
- mir_call: accepts both nested and flat shapes.
Using/alias (prod)
- modules mapping is considered first; missing aliases added for selfhost.vm.hakorune-vm.str_cast and selfhost.vm.helpers.method_alias_policy.
- Duplicate using lines cleaned in extern_provider.

How to verify (quick)

One‑shot (S1/S2 + PRIMARY + S3 auto):

bash tools/smokes/v2/profiles/quick/core/phase2100/run_all.sh

S3 only (auto when LLVM18/llvmlite present):

NYASH_LLVM_S3=1 bash tools/smokes/v2/profiles/quick/core/phase2100/run_all.sh

Environment

LLVM 18 (llvm-config-18) + llvmlite (Python 3)

For faster runs: prebuild

cargo build --release --features llvm
cargo build --release -p nyash-llvm-compiler
cargo build --release -p nyash_kernel

Optional: broaden reps and harden typeops/extern coverage in follow‑on phases.

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