diff options
Diffstat (limited to 'src/codegen.cpp')
| -rw-r--r-- | src/codegen.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/codegen.cpp b/src/codegen.cpp index a9542f96d9..200589cd2a 100644 --- a/src/codegen.cpp +++ b/src/codegen.cpp @@ -7184,6 +7184,9 @@ static void do_code_gen(CodeGen *g) { if (!is_async) { // allocate async frames for noasync calls & awaits to async functions + ZigType *largest_call_frame_type = nullptr; + IrInstruction *all_calls_alloca = ir_create_alloca(g, &fn_table_entry->fndef_scope->base, + fn_table_entry->body_node, fn_table_entry, g->builtin_types.entry_void, "@async_call_frame"); for (size_t i = 0; i < fn_table_entry->call_list.length; i += 1) { IrInstructionCallGen *call = fn_table_entry->call_list.at(i); if (call->fn_entry == nullptr) @@ -7195,8 +7198,15 @@ static void do_code_gen(CodeGen *g) { if (call->frame_result_loc != nullptr) continue; ZigType *callee_frame_type = get_fn_frame_type(g, call->fn_entry); - call->frame_result_loc = ir_create_alloca(g, call->base.scope, call->base.source_node, - fn_table_entry, callee_frame_type, ""); + if (largest_call_frame_type == nullptr || + callee_frame_type->abi_size > largest_call_frame_type->abi_size) + { + largest_call_frame_type = callee_frame_type; + } + call->frame_result_loc = all_calls_alloca; + } + if (largest_call_frame_type != nullptr) { + all_calls_alloca->value.type = get_pointer_to_type(g, largest_call_frame_type, false); } // allocate temporary stack data for (size_t alloca_i = 0; alloca_i < fn_table_entry->alloca_gen_list.length; alloca_i += 1) { |