#foreign_library; vector fields (x, y, z, w) for count <= 4

This commit is contained in:
Ginger Bill
2016-11-15 12:06:58 +00:00
parent 3ce044f84f
commit 0cab083b8f
12 changed files with 296 additions and 198 deletions
+167 -155
View File
@@ -811,7 +811,7 @@ ssaValue *ssa_make_instr_array_element_ptr(ssaProcedure *p, ssaValue *address, s
Type *t = ssa_type(address);
GB_ASSERT(is_type_pointer(t));
t = base_type(type_deref(t));
GB_ASSERT(is_type_array(t));
GB_ASSERT(is_type_array(t) || is_type_vector(t));
Type *result_type = make_type_pointer(p->module->allocator, t->Array.elem);
@@ -1524,7 +1524,7 @@ ssaValue *ssa_emit_comp(ssaProcedure *proc, TokenKind op_kind, ssaValue *left, s
ssaValue *ssa_emit_array_ep(ssaProcedure *proc, ssaValue *s, ssaValue *index) {
Type *st = base_type(type_deref(ssa_type(s)));
GB_ASSERT(is_type_array(st));
GB_ASSERT(is_type_array(st) || is_type_vector(st));
// NOTE(bill): For some weird legacy reason in LLVM, structure elements must be accessed as an i32
index = ssa_emit_conv(proc, index, t_i32);
@@ -1693,6 +1693,8 @@ ssaValue *ssa_emit_deep_field_gep(ssaProcedure *proc, Type *type, ssaValue *e, S
}
} else if (type->kind == Type_Slice) {
e = ssa_emit_struct_ep(proc, e, index);
} else if (type->kind == Type_Vector) {
e = ssa_emit_array_ep(proc, e, index);
} else {
GB_PANIC("un-gep-able type");
}
@@ -1854,9 +1856,11 @@ String lookup_polymorphic_field(CheckerInfo *info, Type *dst, Type *src) {
return f->token.string;
}
}
String name = lookup_polymorphic_field(info, dst, f->type);
if (name.len > 0) {
return name;
if (is_type_struct(f->type)) {
String name = lookup_polymorphic_field(info, dst, f->type);
if (name.len > 0) {
return name;
}
}
}
}
@@ -2673,156 +2677,7 @@ ssaValue *ssa_build_single_expr(ssaProcedure *proc, AstNode *expr, TypeAndValue
case_ast_node(cl, CompoundLit, expr);
ssa_emit_comment(proc, make_string("CompoundLit"));
Type *type = type_of_expr(proc->module->info, expr);
Type *bt = base_type(type);
ssaValue *v = ssa_add_local_generated(proc, type);
Type *et = NULL;
switch (bt->kind) {
case Type_Vector: et = bt->Vector.elem; break;
case Type_Array: et = bt->Array.elem; break;
case Type_Slice: et = bt->Slice.elem; break;
}
auto is_elem_const = [](ssaModule *m, AstNode *elem, Type *elem_type) -> b32 {
if (base_type(elem_type) == t_any) {
return false;
}
if (elem->kind == AstNode_FieldValue) {
elem = elem->FieldValue.value;
}
TypeAndValue *tav = type_and_value_of_expression(m->info, elem);
GB_ASSERT(tav != NULL);
return tav->value.kind != ExactValue_Invalid;
};
switch (bt->kind) {
default: GB_PANIC("Unknown CompoundLit type: %s", type_to_string(type)); break;
case Type_Vector: {
ssaValue *result = ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr));
for_array(index, cl->elems) {
AstNode *elem = cl->elems[index];
if (is_elem_const(proc->module, elem, et)) {
continue;
}
ssaValue *field_elem = ssa_build_expr(proc, elem);
Type *t = ssa_type(field_elem);
GB_ASSERT(t->kind != Type_Tuple);
ssaValue *ev = ssa_emit_conv(proc, field_elem, et);
ssaValue *i = ssa_make_const_int(proc->module->allocator, index);
result = ssa_emit(proc, ssa_make_instr_insert_element(proc, result, ev, i));
}
if (cl->elems.count == 1 && bt->Vector.count > 1) {
isize index_count = bt->Vector.count;
i32 *indices = gb_alloc_array(proc->module->allocator, i32, index_count);
for (isize i = 0; i < index_count; i++) {
indices[i] = 0;
}
ssaValue *sv = ssa_emit(proc, ssa_make_instr_vector_shuffle(proc, result, indices, index_count));
ssa_emit_store(proc, v, sv);
return ssa_emit_load(proc, v);
}
return result;
} break;
case Type_Record: {
GB_ASSERT(is_type_struct(bt));
auto *st = &bt->Record;
if (cl->elems.count > 0) {
ssa_emit_store(proc, v, ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr)));
for_array(field_index, cl->elems) {
AstNode *elem = cl->elems[field_index];
ssaValue *field_expr = NULL;
Entity *field = NULL;
isize index = field_index;
if (elem->kind == AstNode_FieldValue) {
ast_node(fv, FieldValue, elem);
Selection sel = lookup_field(proc->module->allocator, bt, fv->field->Ident.string, false);
index = sel.index[0];
elem = fv->value;
} else {
TypeAndValue *tav = type_and_value_of_expression(proc->module->info, elem);
Selection sel = lookup_field(proc->module->allocator, bt, st->fields_in_src_order[field_index]->token.string, false);
index = sel.index[0];
}
field = st->fields[index];
if (is_elem_const(proc->module, elem, field->type)) {
continue;
}
field_expr = ssa_build_expr(proc, elem);
GB_ASSERT(ssa_type(field_expr)->kind != Type_Tuple);
Type *ft = field->type;
ssaValue *fv = ssa_emit_conv(proc, field_expr, ft);
ssaValue *gep = ssa_emit_struct_ep(proc, v, index);
ssa_emit_store(proc, gep, fv);
}
}
} break;
case Type_Array: {
if (cl->elems.count > 0) {
ssa_emit_store(proc, v, ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr)));
for_array(i, cl->elems) {
AstNode *elem = cl->elems[i];
if (is_elem_const(proc->module, elem, et)) {
continue;
}
ssaValue *field_expr = ssa_build_expr(proc, elem);
Type *t = ssa_type(field_expr);
GB_ASSERT(t->kind != Type_Tuple);
ssaValue *ev = ssa_emit_conv(proc, field_expr, et);
ssaValue *gep = ssa_emit_array_ep(proc, v, i);
ssa_emit_store(proc, gep, ev);
}
}
} break;
case Type_Slice: {
if (cl->elems.count > 0) {
Type *elem_type = bt->Slice.elem;
Type *elem_ptr_type = make_type_pointer(proc->module->allocator, elem_type);
Type *elem_ptr_ptr_type = make_type_pointer(proc->module->allocator, elem_ptr_type);
Type *t_int_ptr = make_type_pointer(proc->module->allocator, t_int);
ssaValue *slice = ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr));
GB_ASSERT(slice->kind == ssaValue_ConstantSlice);
ssaValue *data = ssa_emit_array_ep(proc, slice->ConstantSlice.backing_array, v_zero32);
for_array(i, cl->elems) {
AstNode *elem = cl->elems[i];
if (is_elem_const(proc->module, elem, et)) {
continue;
}
ssaValue *field_expr = ssa_build_expr(proc, elem);
Type *t = ssa_type(field_expr);
GB_ASSERT(t->kind != Type_Tuple);
ssaValue *ev = ssa_emit_conv(proc, field_expr, elem_type);
ssaValue *offset = ssa_emit_ptr_offset(proc, data, ssa_make_const_int(proc->module->allocator, i));
ssa_emit_store(proc, offset, ev);
}
ssaValue *gep0 = ssa_emit_struct_ep(proc, v, 0);
ssaValue *gep1 = ssa_emit_struct_ep(proc, v, 1);
ssaValue *gep2 = ssa_emit_struct_ep(proc, v, 1);
ssa_emit_store(proc, gep0, data);
ssa_emit_store(proc, gep1, ssa_make_const_int(proc->module->allocator, slice->ConstantSlice.count));
ssa_emit_store(proc, gep2, ssa_make_const_int(proc->module->allocator, slice->ConstantSlice.count));
}
} break;
}
return ssa_emit_load(proc, v);
return ssa_emit_load(proc, ssa_build_addr(proc, expr).addr);
case_end;
@@ -3630,6 +3485,160 @@ ssaAddr ssa_build_addr(ssaProcedure *proc, AstNode *expr) {
ssa_emit_store(proc, v, e);
return ssa_make_addr(v, expr);
case_end;
case_ast_node(cl, CompoundLit, expr);
ssa_emit_comment(proc, make_string("CompoundLit"));
Type *type = type_of_expr(proc->module->info, expr);
Type *bt = base_type(type);
ssaValue *v = ssa_add_local_generated(proc, type);
Type *et = NULL;
switch (bt->kind) {
case Type_Vector: et = bt->Vector.elem; break;
case Type_Array: et = bt->Array.elem; break;
case Type_Slice: et = bt->Slice.elem; break;
}
auto is_elem_const = [](ssaModule *m, AstNode *elem, Type *elem_type) -> b32 {
if (base_type(elem_type) == t_any) {
return false;
}
if (elem->kind == AstNode_FieldValue) {
elem = elem->FieldValue.value;
}
TypeAndValue *tav = type_and_value_of_expression(m->info, elem);
GB_ASSERT(tav != NULL);
return tav->value.kind != ExactValue_Invalid;
};
switch (bt->kind) {
default: GB_PANIC("Unknown CompoundLit type: %s", type_to_string(type)); break;
case Type_Vector: {
ssaValue *result = ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr));
for_array(index, cl->elems) {
AstNode *elem = cl->elems[index];
if (is_elem_const(proc->module, elem, et)) {
continue;
}
ssaValue *field_elem = ssa_build_expr(proc, elem);
Type *t = ssa_type(field_elem);
GB_ASSERT(t->kind != Type_Tuple);
ssaValue *ev = ssa_emit_conv(proc, field_elem, et);
ssaValue *i = ssa_make_const_int(proc->module->allocator, index);
result = ssa_emit(proc, ssa_make_instr_insert_element(proc, result, ev, i));
}
if (cl->elems.count == 1 && bt->Vector.count > 1) {
isize index_count = bt->Vector.count;
i32 *indices = gb_alloc_array(proc->module->allocator, i32, index_count);
for (isize i = 0; i < index_count; i++) {
indices[i] = 0;
}
ssaValue *sv = ssa_emit(proc, ssa_make_instr_vector_shuffle(proc, result, indices, index_count));
ssa_emit_store(proc, v, sv);
return ssa_make_addr(v, expr);
}
ssa_emit_store(proc, v, result);
} break;
case Type_Record: {
GB_ASSERT(is_type_struct(bt));
auto *st = &bt->Record;
if (cl->elems.count > 0) {
ssa_emit_store(proc, v, ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr)));
for_array(field_index, cl->elems) {
AstNode *elem = cl->elems[field_index];
ssaValue *field_expr = NULL;
Entity *field = NULL;
isize index = field_index;
if (elem->kind == AstNode_FieldValue) {
ast_node(fv, FieldValue, elem);
Selection sel = lookup_field(proc->module->allocator, bt, fv->field->Ident.string, false);
index = sel.index[0];
elem = fv->value;
} else {
TypeAndValue *tav = type_and_value_of_expression(proc->module->info, elem);
Selection sel = lookup_field(proc->module->allocator, bt, st->fields_in_src_order[field_index]->token.string, false);
index = sel.index[0];
}
field = st->fields[index];
if (is_elem_const(proc->module, elem, field->type)) {
continue;
}
field_expr = ssa_build_expr(proc, elem);
GB_ASSERT(ssa_type(field_expr)->kind != Type_Tuple);
Type *ft = field->type;
ssaValue *fv = ssa_emit_conv(proc, field_expr, ft);
ssaValue *gep = ssa_emit_struct_ep(proc, v, index);
ssa_emit_store(proc, gep, fv);
}
}
} break;
case Type_Array: {
if (cl->elems.count > 0) {
ssa_emit_store(proc, v, ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr)));
for_array(i, cl->elems) {
AstNode *elem = cl->elems[i];
if (is_elem_const(proc->module, elem, et)) {
continue;
}
ssaValue *field_expr = ssa_build_expr(proc, elem);
Type *t = ssa_type(field_expr);
GB_ASSERT(t->kind != Type_Tuple);
ssaValue *ev = ssa_emit_conv(proc, field_expr, et);
ssaValue *gep = ssa_emit_array_ep(proc, v, i);
ssa_emit_store(proc, gep, ev);
}
}
} break;
case Type_Slice: {
if (cl->elems.count > 0) {
Type *elem_type = bt->Slice.elem;
Type *elem_ptr_type = make_type_pointer(proc->module->allocator, elem_type);
Type *elem_ptr_ptr_type = make_type_pointer(proc->module->allocator, elem_ptr_type);
Type *t_int_ptr = make_type_pointer(proc->module->allocator, t_int);
ssaValue *slice = ssa_add_module_constant(proc->module, type, make_exact_value_compound(expr));
GB_ASSERT(slice->kind == ssaValue_ConstantSlice);
ssaValue *data = ssa_emit_array_ep(proc, slice->ConstantSlice.backing_array, v_zero32);
for_array(i, cl->elems) {
AstNode *elem = cl->elems[i];
if (is_elem_const(proc->module, elem, et)) {
continue;
}
ssaValue *field_expr = ssa_build_expr(proc, elem);
Type *t = ssa_type(field_expr);
GB_ASSERT(t->kind != Type_Tuple);
ssaValue *ev = ssa_emit_conv(proc, field_expr, elem_type);
ssaValue *offset = ssa_emit_ptr_offset(proc, data, ssa_make_const_int(proc->module->allocator, i));
ssa_emit_store(proc, offset, ev);
}
ssaValue *gep0 = ssa_emit_struct_ep(proc, v, 0);
ssaValue *gep1 = ssa_emit_struct_ep(proc, v, 1);
ssaValue *gep2 = ssa_emit_struct_ep(proc, v, 1);
ssa_emit_store(proc, gep0, data);
ssa_emit_store(proc, gep1, ssa_make_const_int(proc->module->allocator, slice->ConstantSlice.count));
ssa_emit_store(proc, gep2, ssa_make_const_int(proc->module->allocator, slice->ConstantSlice.count));
}
} break;
}
return ssa_make_addr(v, expr);
case_end;
}
TokenPos token_pos = ast_node_token(expr).pos;
@@ -3777,6 +3786,9 @@ void ssa_build_stmt(ssaProcedure *proc, AstNode *node) {
for_array(i, inits) {
if (lvals[i].addr == NULL) {
continue;
}
ssaValue *v = ssa_emit_conv(proc, inits[i], ssa_addr_type(lvals[i]));
ssa_addr_store(proc, lvals[i], v);
}