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llvm: unify lowering via Resolver and Cursor; remove non-sealed PHI wiring; apply Resolver to extern/call/boxcall/arrays/maps/mem; add llvmlite harness docs; add LLVM layer overview; add LoopForm preheader

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Selfhosting Dev
2025-09-12 20:40:48 +09:00
parent d5af6b1d48
commit 38aea59fc1
20 changed files with 986 additions and 79 deletions
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28
src/backend/llvm/compiler/codegen/instructions/boxcall.rs
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@ -34,20 +34,22 @@ pub(in super::super) fn lower_boxcall<'ctx, 'b>(
use crate::backend::llvm::compiler::helpers::{as_float, as_int};
use super::super::types::classify_tag;
let i64t = codegen.context.i64_type();
let recv_v = *vmap.get(box_val).ok_or("box receiver missing")?;
let recv_p = match recv_v {
BVE::PointerValue(pv) => pv,
BVE::IntValue(iv) => {
let pty = codegen.context.ptr_type(AddressSpace::from(0));
cursor
.emit_instr(cur_bid, |b| b.build_int_to_ptr(iv, pty, "recv_i2p"))
.map_err(|e| e.to_string())?
}
_ => return Err("box receiver must be pointer or i64 handle".to_string()),
};
// Resolve receiver as handle and pointer (i8*)
let pty = codegen.context.ptr_type(AddressSpace::from(0));
let recv_h = cursor
.emit_instr(cur_bid, |b| b.build_ptr_to_int(recv_p, i64t, "recv_p2i"))
.emit_instr(cur_bid, |b| {
// If vmap has pointer, use it; if int, use it; else zero
match vmap.get(box_val).copied() {
Some(BVE::PointerValue(pv)) => b.build_ptr_to_int(pv, i64t, "recv_p2i").map_err(|e| e.to_string()),
Some(BVE::IntValue(iv)) => Ok(iv),
_ => Ok(i64t.const_zero()),
}
})
.map_err(|e| e.to_string())?;
let recv_p = cursor
.emit_instr(cur_bid, |b| b.build_int_to_ptr(recv_h, pty, "recv_i2p"))
.map_err(|e| e.to_string())?;
let recv_v: BVE = recv_p.into();
// Resolve type_id
let type_id: i64 = if let Some(crate::mir::MirType::Box(bname)) = func.metadata.value_types.get(box_val) {
@ -96,7 +98,7 @@ pub(in super::super) fn lower_boxcall<'ctx, 'b>(
}
// getField/setField
if fields::try_handle_field_method(codegen, vmap, dst, method, args, recv_h)? {
if fields::try_handle_field_method(codegen, cursor, cur_bid, vmap, dst, method, args, recv_h)? {
return Ok(());
}