motiejus/zig
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fix debug symbols for byval arguments

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This commit is contained in:
Andrew Kelley
2016-02-03 03:32:45 -07:00
parent 815d9a7994
commit afdb47c32d
3 changed files with 14 additions and 15 deletions
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27
src/codegen.cpp
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@@ -111,16 +111,6 @@ static TypeTableEntry *get_expr_type(AstNode *node) {
return get_resolved_expr(node)->type_entry;
}
static TypeTableEntry *fn_proto_type_from_type_node(CodeGen *g, AstNode *type_node) {
TypeTableEntry *type_entry = get_type_for_type_node(type_node);
if (handle_is_ptr(type_entry)) {
return get_pointer_to_type(g, type_entry, true);
} else {
return type_entry;
}
}
enum AddSubMul {
AddSubMulAdd = 0,
AddSubMulSub = 1,
@@ -2774,14 +2764,15 @@ static void do_code_gen(CodeGen *g) {
continue;
}
AstNode *type_node = param_node->data.param_decl.type;
TypeTableEntry *param_type = fn_proto_type_from_type_node(g, type_node);
TypeTableEntry *param_type = info->type;
LLVMValueRef argument_val = LLVMGetParam(fn_table_entry->fn_value, gen_index);
bool param_is_noalias = param_node->data.param_decl.is_noalias;
if (param_type->id == TypeTableEntryIdPointer && param_is_noalias) {
LLVMAddAttribute(argument_val, LLVMNoAliasAttribute);
}
if (param_type->id == TypeTableEntryIdPointer && param_type->data.pointer.is_const) {
if ((param_type->id == TypeTableEntryIdPointer && param_type->data.pointer.is_const) ||
is_byval)
{
LLVMAddAttribute(argument_val, LLVMReadOnlyAttribute);
}
if (param_type->id == TypeTableEntryIdPointer) {
@@ -2789,7 +2780,8 @@ static void do_code_gen(CodeGen *g) {
// non null attribute here
}
if (is_byval) {
LLVMAddAttribute(argument_val, LLVMByValAttribute);
// TODO
//LLVMAddAttribute(argument_val, LLVMByValAttribute);
}
}
@@ -2847,6 +2839,7 @@ static void do_code_gen(CodeGen *g) {
unsigned tag;
unsigned arg_no;
TypeTableEntry *gen_type;
if (block_context->node->type == NodeTypeFnDef) {
tag = LLVMZigTag_DW_arg_variable();
arg_no = var->gen_arg_index + 1;
@@ -2854,6 +2847,8 @@ static void do_code_gen(CodeGen *g) {
var->is_ptr = false;
assert(var->gen_arg_index >= 0);
var->value_ref = LLVMGetParam(fn, var->gen_arg_index);
gen_type = fn_table_entry->type_entry->data.fn.gen_param_info[var->src_arg_index].type;
} else {
tag = LLVMZigTag_DW_auto_variable();
arg_no = 0;
@@ -2862,12 +2857,14 @@ static void do_code_gen(CodeGen *g) {
var->value_ref = LLVMBuildAlloca(g->builder, var->type->type_ref, buf_ptr(&var->name));
uint64_t align_bytes = LLVMABISizeOfType(g->target_data_ref, var->type->type_ref);
LLVMSetAlignment(var->value_ref, align_bytes);
gen_type = var->type;
}
var->di_loc_var = LLVMZigCreateLocalVariable(g->dbuilder, tag,
block_context->di_scope, buf_ptr(&var->name),
import->di_file, var->decl_node->line + 1,
var->type->di_type, !g->strip_debug_symbols, 0, arg_no);
gen_type->di_type, !g->strip_debug_symbols, 0, arg_no);
}
// allocate structs which are the result of casts