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Fix #1319

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This commit is contained in:
gingerBill
2021-11-19 15:43:13 +00:00
parent 9320a31f4d
commit daebaa8b50
4 changed files with 23 additions and 7 deletions
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src/llvm_backend_stmt.cpp
+8 -1
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@@ -1485,7 +1485,14 @@ void lb_build_return_stmt_internal(lbProcedure *p, lbValue const &res) {
if (return_by_pointer) {
if (res.value != nullptr) {
LLVMBuildStore(p->builder, res.value, p->return_ptr.addr.value);
LLVMValueRef res_val = res.value;
i64 sz = type_size_of(res.type);
if (LLVMIsALoadInst(res_val) && sz > build_context.word_size) {
lbValue ptr = lb_address_from_load_or_generate_local(p, res);
lb_mem_copy_non_overlapping(p, p->return_ptr.addr, ptr, lb_const_int(p->module, t_int, sz));
} else {
LLVMBuildStore(p->builder, res_val, p->return_ptr.addr.value);
}
} else {
LLVMBuildStore(p->builder, LLVMConstNull(p->abi_function_type->ret.type), p->return_ptr.addr.value);
}