refactor(rir): replace Vec fields with extra array pattern #595
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Convert all InstData variants that embedded Vec<T> to use the extra array pattern (start: u32, len: u32). This follows the Zig ZIR approach. Affected variants: - Match: arms now in extra array - FnDecl: directives and params now in extra array - Call, MethodCall, AssocFnCall, Intrinsic: args now in extra array - ArrayInit: elements now in extra array - StructInit, StructDecl: fields now in extra array - EnumDecl: variants now in extra array - ImplDecl: methods now in extra array - Alloc: directives now in extra array Benefits: - Reduces InstData enum size from ~64+ bytes to ~24 bytes - Eliminates per-instruction heap allocations - Improves cache locality during IR traversal 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <[email protected]>
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Convert all InstData variants that embedded Vec to use the extra array pattern (start: u32, len: u32). This follows the Zig ZIR approach.
Affected variants:
Benefits:
🤖 Generated with Claude Code