tomevault-io Sounio Codegen + Backends
Overview
Implement and debug lowering/codegen without breaking IR invariants or backend feature-flag boundaries.
Workflow
1) Pick the backend path and feature flags
- Cranelift:
compiler/src/codegen/cranelift.rs(feature:jit) - MIR→Cranelift:
compiler/src/codegen/mir_cranelift.rs - LLVM:
compiler/src/codegen/llvm/(feature:llvm) - GPU:
compiler/src/codegen/gpu/(feature:gpu) - Native backend (ELF/linker):
compiler/src/backend/native/
2) Keep IR invariants explicit
- If you change HLIR/MIR shape, validate passes and analyses that assume SSA form.
- Be conservative around effectful ops when doing backend optimizations.
3) Add targeted tests
- Prefer Rust tests close to the backend (
compiler/src/**/testsandcompiler/tests/). - GPU tests typically require
--features gpu(see.claude/commands/sounio-gpu.md).
References
- Codegen map:
references/codegen-navigation.md - Feature flags:
references/feature-flags.md - Claude command references:
.claude/commands/sounio-gpu.md,.claude/commands/sounio-build.md
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