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Custom struct alignment

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This commit is contained in:
Ginger Bill
2017-02-05 15:19:30 +00:00
parent 7944b7714f
commit 2a5b674d33
9 changed files with 485 additions and 350 deletions
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src/ir_print.c
+23 -2
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@@ -215,6 +215,12 @@ void ir_print_type(irFileBuffer *f, irModule *m, Type *t) {
ir_fprintf(f, "<");
}
ir_fprintf(f, "{");
if (t->Record.custom_align > 0) {
ir_fprintf(f, "[0 x <%lld x i8>]", t->Record.custom_align);
if (t->Record.field_count > 0) {
ir_fprintf(f, ", ");
}
}
for (isize i = 0; i < t->Record.field_count; i++) {
if (i > 0) {
ir_fprintf(f, ", ");
@@ -755,6 +761,13 @@ void ir_print_instr(irFileBuffer *f, irModule *m, irValue *value) {
case irInstr_StructElementPtr: {
Type *et = ir_type(instr->StructElementPtr.address);
ir_fprintf(f, "%%%d = getelementptr inbounds ", value->index);
i32 index = instr->StructElementPtr.elem_index;
Type *st = base_type(type_deref(et));
if (is_type_struct(st)) {
if (st->Record.custom_align > 0) {
index += 1;
}
}
ir_print_type(f, m, type_deref(et));
ir_fprintf(f, ", ");
@@ -765,7 +778,7 @@ void ir_print_instr(irFileBuffer *f, irModule *m, irValue *value) {
ir_print_type(f, m, t_int);
ir_fprintf(f, " 0, ");
ir_print_type(f, m, t_i32);
ir_fprintf(f, " %d", instr->StructElementPtr.elem_index);
ir_fprintf(f, " %d", index);
ir_fprintf(f, "\n");
} break;
@@ -816,11 +829,19 @@ void ir_print_instr(irFileBuffer *f, irModule *m, irValue *value) {
case irInstr_StructExtractValue: {
Type *et = ir_type(instr->StructExtractValue.address);
ir_fprintf(f, "%%%d = extractvalue ", value->index);
i32 index = instr->StructExtractValue.index;
Type *st = base_type(et);
if (is_type_struct(st)) {
if (st->Record.custom_align > 0) {
index += 1;
}
}
ir_print_type(f, m, et);
ir_fprintf(f, " ");
ir_print_value(f, m, instr->StructExtractValue.address, et);
ir_fprintf(f, ", %d\n", instr->StructExtractValue.index);
ir_fprintf(f, ", %d\n", index);
} break;
case irInstr_UnionTagPtr: {