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Allow for -use-static-map-calls which generates a get procedure per map; add runtime.map_get

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gingerBill
2022-11-08 14:58:05 +00:00
parent 046dd55032
commit a71daee545
11 changed files with 302 additions and 34 deletions
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26
src/llvm_backend_stmt.cpp
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@@ -371,24 +371,30 @@ void lb_build_range_indexed(lbProcedure *p, lbValue expr, Type *val_type, lbValu
}
lbValue lb_map_cell_index_static(lbProcedure *p, Type *type, lbValue cells_ptr, lbValue index) {
i64 size, N;
i64 sz = type_size_of(type);
map_cell_size_and_len(type, &size, &N);
i64 size, len;
i64 elem_sz = type_size_of(type);
map_cell_size_and_len(type, &size, &len);
index = lb_emit_conv(p, index, t_uint);
index = lb_emit_conv(p, index, t_uintptr);
if (size == N*sz) {
if (size == len*elem_sz) {
lbValue elems_ptr = lb_emit_conv(p, cells_ptr, alloc_type_pointer(type));
return lb_emit_ptr_offset(p, elems_ptr, index);
}
// TOOD(bill): N power of two optimization to use >> and &
lbValue N_const = lb_const_int(p->module, index.type, N);
lbValue cell_index = lb_emit_arith(p, Token_Quo, index, N_const, index.type);
lbValue data_index = lb_emit_arith(p, Token_Mod, index, N_const, index.type);
lbValue cell = lb_emit_ptr_offset(p, cells_ptr, cell_index);
lbValue elems_ptr = lb_emit_conv(p, cell, alloc_type_pointer(type));
lbValue size_const = lb_const_int(p->module, t_uintptr, size);
lbValue len_const = lb_const_int(p->module, t_uintptr, len);
lbValue cell_index = lb_emit_arith(p, Token_Quo, index, len_const, t_uintptr);
lbValue data_index = lb_emit_arith(p, Token_Mod, index, len_const, t_uintptr);
lbValue elems_ptr = lb_emit_conv(p, cells_ptr, t_uintptr);
lbValue cell_offset = lb_emit_arith(p, Token_Mul, size_const, cell_index, t_uintptr);
elems_ptr = lb_emit_arith(p, Token_Add, elems_ptr, cell_offset, t_uintptr);
elems_ptr = lb_emit_conv(p, elems_ptr, alloc_type_pointer(type));
return lb_emit_ptr_offset(p, elems_ptr, data_index);
}