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Add multi-pointer types [^]T

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This commit is contained in:
gingerBill
2021-08-21 23:10:21 +01:00
parent 01a888fced
commit 6a77fc4cdd
10 changed files with 286 additions and 50 deletions
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src/llvm_backend_general.cpp
+35
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@@ -420,6 +420,31 @@ void lb_emit_bounds_check(lbProcedure *p, Token token, lbValue index, lbValue le
lb_emit_runtime_call(p, "bounds_check_error", args);
}
void lb_emit_multi_pointer_slice_bounds_check(lbProcedure *p, Token token, lbValue low, lbValue high) {
if (build_context.no_bounds_check) {
return;
}
if ((p->state_flags & StateFlag_no_bounds_check) != 0) {
return;
}
low = lb_emit_conv(p, low, t_int);
high = lb_emit_conv(p, high, t_int);
lbValue file = lb_find_or_add_entity_string(p->module, get_file_path_string(token.pos.file_id));
lbValue line = lb_const_int(p->module, t_i32, token.pos.line);
lbValue column = lb_const_int(p->module, t_i32, token.pos.column);
auto args = array_make<lbValue>(permanent_allocator(), 5);
args[0] = file;
args[1] = line;
args[2] = column;
args[3] = low;
args[4] = high;
lb_emit_runtime_call(p, "multi_pointer_slice_expr_error", args);
}
void lb_emit_slice_bounds_check(lbProcedure *p, Token token, lbValue low, lbValue high, lbValue len, bool lower_value_used) {
if (build_context.no_bounds_check) {
return;
@@ -810,6 +835,13 @@ LLVMTypeRef llvm_addr_type(lbValue addr_val) {
lbValue lb_emit_load(lbProcedure *p, lbValue value) {
GB_ASSERT(value.value != nullptr);
if (is_type_multi_pointer(value.type)) {
Type *vt = base_type(value.type);
GB_ASSERT(vt->kind == Type_MultiPointer);
Type *t = vt->MultiPointer.elem;
LLVMValueRef v = LLVMBuildLoad2(p->builder, llvm_addr_type(value), value.value, "");
return lbValue{v, t};
}
GB_ASSERT(is_type_pointer(value.type));
Type *t = type_deref(value.type);
LLVMValueRef v = LLVMBuildLoad2(p->builder, llvm_addr_type(value), value.value, "");
@@ -1568,6 +1600,9 @@ LLVMTypeRef lb_type_internal(lbModule *m, Type *type) {
case Type_Pointer:
return LLVMPointerType(lb_type(m, type->Pointer.elem), 0);
case Type_MultiPointer:
return LLVMPointerType(lb_type(m, type->Pointer.elem), 0);
case Type_Array: {
m->internal_type_level -= 1;
LLVMTypeRef t = LLVMArrayType(lb_type(m, type->Array.elem), cast(unsigned)type->Array.count);