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Fix bit_field comparison against nil #414

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gingerBill
2019-08-09 20:31:11 +01:00
parent b04231dd95
commit 65d41d4248
3 changed files with 44 additions and 0 deletions
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9
src/ir.cpp
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@@ -4017,6 +4017,15 @@ irValue *ir_emit_comp_against_nil(irProcedure *proc, TokenKind op_kind, irValue
} else if (is_type_typeid(t)) {
irValue *invalid_typeid = ir_value_constant(t_typeid, exact_value_i64(0));
return ir_emit_comp(proc, op_kind, x, invalid_typeid);
} else if (is_type_bit_field(t)) {
auto args = array_make<irValue *>(heap_allocator(), 2);
irValue *lhs = ir_address_from_load_or_generate_local(proc, x);
args[0] = ir_emit_conv(proc, lhs, t_rawptr);
args[1] = ir_const_int(type_size_of(t));
irValue *val = ir_emit_runtime_call(proc, "memory_compare_zero", args);
irValue *res = ir_emit_comp(proc, op_kind, val, v_zero);
return ir_emit_conv(proc, res, t_bool);
}
return nullptr;
}