* a dereference chain.
*/
-#include <stdint.h>
#include "ir.h"
#include "ir_hierarchical_visitor.h"
#include "program/hash_table.h"
#include "glsl_types.h"
+namespace {
+
class ir_validate : public ir_hierarchical_visitor {
public:
ir_validate()
virtual ir_visitor_status visit(ir_variable *v);
virtual ir_visitor_status visit(ir_dereference_variable *ir);
- virtual ir_visitor_status visit(ir_if *ir);
+ virtual ir_visitor_status visit_enter(ir_if *ir);
+
+ virtual ir_visitor_status visit_enter(ir_loop *ir);
+ virtual ir_visitor_status visit_leave(ir_loop *ir);
virtual ir_visitor_status visit_enter(ir_function *ir);
virtual ir_visitor_status visit_leave(ir_function *ir);
virtual ir_visitor_status visit_enter(ir_function_signature *ir);
virtual ir_visitor_status visit_leave(ir_expression *ir);
+ virtual ir_visitor_status visit_leave(ir_swizzle *ir);
+
+ virtual ir_visitor_status visit_enter(class ir_dereference_array *);
virtual ir_visitor_status visit_enter(ir_assignment *ir);
+ virtual ir_visitor_status visit_enter(ir_call *ir);
static void validate_ir(ir_instruction *ir, void *data);
struct hash_table *ht;
};
+} /* anonymous namespace */
ir_visitor_status
ir_validate::visit(ir_dereference_variable *ir)
}
ir_visitor_status
-ir_validate::visit(ir_if *ir)
+ir_validate::visit_enter(class ir_dereference_array *ir)
+{
+ if (!ir->array->type->is_array() && !ir->array->type->is_matrix()) {
+ printf("ir_dereference_array @ %p does not specify an array or a "
+ "matrix\n",
+ (void *) ir);
+ ir->print();
+ printf("\n");
+ abort();
+ }
+
+ if (!ir->array_index->type->is_scalar()) {
+ printf("ir_dereference_array @ %p does not have scalar index: %s\n",
+ (void *) ir, ir->array_index->type->name);
+ abort();
+ }
+
+ if (!ir->array_index->type->is_integer()) {
+ printf("ir_dereference_array @ %p does not have integer index: %s\n",
+ (void *) ir, ir->array_index->type->name);
+ abort();
+ }
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_validate::visit_enter(ir_if *ir)
{
if (ir->condition->type != glsl_type::bool_type) {
printf("ir_if condition %s type instead of bool.\n",
}
+ir_visitor_status
+ir_validate::visit_enter(ir_loop *ir)
+{
+ if (ir->counter != NULL && hash_table_find(ht, ir->counter) != NULL) {
+ printf("ir_loop @ %p specifies already-declared variable `%s' @ %p\n",
+ (void *) ir, ir->counter->name, (void *) ir->counter);
+ abort();
+ }
+ return visit_continue;
+}
+
+
+ir_visitor_status
+ir_validate::visit_leave(ir_loop *ir)
+{
+ if (ir->counter != NULL) {
+ if ((ir->from == NULL) || (ir->to == NULL) || (ir->increment == NULL)) {
+ printf("ir_loop has invalid loop controls:\n"
+ " counter: %p\n"
+ " from: %p\n"
+ " to: %p\n"
+ " increment: %p\n",
+ (void *) ir->counter, (void *) ir->from, (void *) ir->to,
+ (void *) ir->increment);
+ abort();
+ }
+
+ if ((ir->cmp < ir_binop_less) || (ir->cmp > ir_binop_nequal)) {
+ printf("ir_loop has invalid comparitor %d\n", ir->cmp);
+ abort();
+ }
+ } else {
+ if ((ir->from != NULL) || (ir->to != NULL) || (ir->increment != NULL)) {
+ printf("ir_loop has invalid loop controls:\n"
+ " counter: %p\n"
+ " from: %p\n"
+ " to: %p\n"
+ " increment: %p\n",
+ (void *) ir->counter, (void *) ir->from, (void *) ir->to,
+ (void *) ir->increment);
+ abort();
+ }
+ }
+
+ return visit_continue;
+}
+
+
ir_visitor_status
ir_validate::visit_enter(ir_function *ir)
{
this->validate_ir(ir, this->data);
+ /* Verify that all of the things stored in the list of signatures are,
+ * in fact, function signatures.
+ */
+ foreach_list(node, &ir->signatures) {
+ ir_instruction *sig = (ir_instruction *) node;
+
+ if (sig->ir_type != ir_type_function_signature) {
+ printf("Non-signature in signature list of function `%s'\n",
+ ir->name);
+ abort();
+ }
+ }
+
return visit_continue;
}
ir_visitor_status
ir_validate::visit_leave(ir_function *ir)
{
- assert(talloc_parent(ir->name) == ir);
+ assert(ralloc_parent(ir->name) == ir);
this->current_function = NULL;
return visit_continue;
abort();
}
+ if (ir->return_type == NULL) {
+ printf("Function signature %p for function %s has NULL return type.\n",
+ (void *) ir, ir->function_name());
+ abort();
+ }
+
this->validate_ir(ir, this->data);
return visit_continue;
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
assert(ir->type->base_type == GLSL_TYPE_INT);
break;
+ case ir_unop_f2u:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->type->base_type == GLSL_TYPE_UINT);
+ break;
case ir_unop_i2f:
assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
assert(ir->type->base_type == GLSL_TYPE_FLOAT);
assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
assert(ir->type->base_type == GLSL_TYPE_FLOAT);
break;
+ case ir_unop_i2u:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
+ assert(ir->type->base_type == GLSL_TYPE_UINT);
+ break;
+ case ir_unop_u2i:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
+ assert(ir->type->base_type == GLSL_TYPE_INT);
+ break;
+ case ir_unop_bitcast_i2f:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
+ assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+ break;
+ case ir_unop_bitcast_f2i:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->type->base_type == GLSL_TYPE_INT);
+ break;
+ case ir_unop_bitcast_u2f:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
+ assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+ break;
+ case ir_unop_bitcast_f2u:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->type->base_type == GLSL_TYPE_UINT);
+ break;
+
+ case ir_unop_any:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
+ assert(ir->type == glsl_type::bool_type);
+ break;
case ir_unop_trunc:
+ case ir_unop_round_even:
case ir_unop_ceil:
case ir_unop_floor:
case ir_unop_fract:
case ir_unop_sin:
case ir_unop_cos:
+ case ir_unop_sin_reduced:
+ case ir_unop_cos_reduced:
case ir_unop_dFdx:
case ir_unop_dFdy:
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
assert(ir->operands[0]->type == ir->type);
break;
+ case ir_unop_pack_snorm_2x16:
+ case ir_unop_pack_unorm_2x16:
+ case ir_unop_pack_half_2x16:
+ assert(ir->type == glsl_type::uint_type);
+ assert(ir->operands[0]->type == glsl_type::vec2_type);
+ break;
+
+ case ir_unop_pack_snorm_4x8:
+ case ir_unop_pack_unorm_4x8:
+ assert(ir->type == glsl_type::uint_type);
+ assert(ir->operands[0]->type == glsl_type::vec4_type);
+ break;
+
+ case ir_unop_unpack_snorm_2x16:
+ case ir_unop_unpack_unorm_2x16:
+ case ir_unop_unpack_half_2x16:
+ assert(ir->type == glsl_type::vec2_type);
+ assert(ir->operands[0]->type == glsl_type::uint_type);
+ break;
+
+ case ir_unop_unpack_snorm_4x8:
+ case ir_unop_unpack_unorm_4x8:
+ assert(ir->type == glsl_type::vec4_type);
+ assert(ir->operands[0]->type == glsl_type::uint_type);
+ break;
+
+ case ir_unop_unpack_half_2x16_split_x:
+ case ir_unop_unpack_half_2x16_split_y:
+ assert(ir->type == glsl_type::float_type);
+ assert(ir->operands[0]->type == glsl_type::uint_type);
+ break;
+
+ case ir_unop_bitfield_reverse:
+ assert(ir->operands[0]->type == ir->type);
+ assert(ir->type->is_integer());
+ break;
+
+ case ir_unop_bit_count:
+ case ir_unop_find_msb:
+ case ir_unop_find_lsb:
+ assert(ir->operands[0]->type->vector_elements == ir->type->vector_elements);
+ assert(ir->operands[0]->type->is_integer());
+ assert(ir->type->base_type == GLSL_TYPE_INT);
+ break;
+
+ case ir_unop_noise:
+ /* XXX what can we assert here? */
+ break;
+
case ir_binop_add:
case ir_binop_sub:
case ir_binop_mul:
assert(ir->operands[0]->type == ir->type);
}
break;
+
+ case ir_binop_imul_high:
+ assert(ir->type == ir->operands[0]->type);
+ assert(ir->type == ir->operands[1]->type);
+ assert(ir->type->is_integer());
+ break;
+
+ case ir_binop_carry:
+ case ir_binop_borrow:
+ assert(ir->type == ir->operands[0]->type);
+ assert(ir->type == ir->operands[1]->type);
+ assert(ir->type->base_type == GLSL_TYPE_UINT);
+ break;
+
case ir_binop_less:
case ir_binop_greater:
case ir_binop_lequal:
case ir_binop_gequal:
- /* GLSL < > <= >= operators take scalar floats/ints, but in the
- * IR we may want to do them for vectors instead to support the
- * lessEqual() and friends builtins.
+ case ir_binop_equal:
+ case ir_binop_nequal:
+ /* The semantics of the IR operators differ from the GLSL <, >, <=, >=,
+ * ==, and != operators. The IR operators perform a component-wise
+ * comparison on scalar or vector types and return a boolean scalar or
+ * vector type of the same size.
*/
- assert(ir->type == glsl_type::bool_type);
+ assert(ir->type->base_type == GLSL_TYPE_BOOL);
assert(ir->operands[0]->type == ir->operands[1]->type);
+ assert(ir->operands[0]->type->is_vector()
+ || ir->operands[0]->type->is_scalar());
+ assert(ir->operands[0]->type->vector_elements
+ == ir->type->vector_elements);
break;
- case ir_binop_equal:
- case ir_binop_nequal:
- /* GLSL == and != operate on vectors and return a bool, and the
- * IR matches that. We may want to switch up the IR to work on
- * vectors and return a bvec and make the operators break down
- * to ANDing/ORing the results of the vector comparison.
+ case ir_binop_all_equal:
+ case ir_binop_any_nequal:
+ /* GLSL == and != operate on scalars, vectors, matrices and arrays, and
+ * return a scalar boolean. The IR matches that.
*/
assert(ir->type == glsl_type::bool_type);
assert(ir->operands[0]->type == ir->operands[1]->type);
case ir_binop_lshift:
case ir_binop_rshift:
+ assert(ir->operands[0]->type->is_integer() &&
+ ir->operands[1]->type->is_integer());
+ if (ir->operands[0]->type->is_scalar()) {
+ assert(ir->operands[1]->type->is_scalar());
+ }
+ if (ir->operands[0]->type->is_vector() &&
+ ir->operands[1]->type->is_vector()) {
+ assert(ir->operands[0]->type->components() ==
+ ir->operands[1]->type->components());
+ }
+ assert(ir->type == ir->operands[0]->type);
+ break;
+
case ir_binop_bit_and:
case ir_binop_bit_xor:
case ir_binop_bit_or:
- assert(ir->operands[0]->type == ir->operands[1]->type);
- assert(ir->type == ir->operands[0]->type);
- assert(ir->type->base_type == GLSL_TYPE_INT ||
- ir->type->base_type == GLSL_TYPE_UINT);
- break;
+ assert(ir->operands[0]->type->base_type ==
+ ir->operands[1]->type->base_type);
+ assert(ir->type->is_integer());
+ if (ir->operands[0]->type->is_vector() &&
+ ir->operands[1]->type->is_vector()) {
+ assert(ir->operands[0]->type->vector_elements ==
+ ir->operands[1]->type->vector_elements);
+ }
+ break;
case ir_binop_logic_and:
case ir_binop_logic_xor:
case ir_binop_dot:
assert(ir->type == glsl_type::float_type);
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->operands[0]->type->is_vector());
+ assert(ir->operands[0]->type == ir->operands[1]->type);
+ break;
+
+ case ir_binop_pack_half_2x16_split:
+ assert(ir->type == glsl_type::uint_type);
+ assert(ir->operands[0]->type == glsl_type::float_type);
+ assert(ir->operands[1]->type == glsl_type::float_type);
+ break;
+
+ case ir_binop_bfm:
+ assert(ir->type->is_integer());
+ assert(ir->operands[0]->type->is_integer());
+ assert(ir->operands[1]->type->is_integer());
+ break;
+
+ case ir_binop_ubo_load:
+ assert(ir->operands[0]->as_constant());
+ assert(ir->operands[0]->type == glsl_type::uint_type);
+
+ assert(ir->operands[1]->type == glsl_type::uint_type);
+ break;
+
+ case ir_binop_ldexp:
+ assert(ir->operands[0]->type == ir->type);
+ assert(ir->operands[0]->type->is_float());
+ assert(ir->operands[1]->type->base_type == GLSL_TYPE_INT);
+ assert(ir->operands[0]->type->components() ==
+ ir->operands[1]->type->components());
+ break;
+
+ case ir_binop_vector_extract:
+ assert(ir->operands[0]->type->is_vector());
+ assert(ir->operands[1]->type->is_scalar()
+ && ir->operands[1]->type->is_integer());
+ break;
+
+ case ir_triop_fma:
+ assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->type == ir->operands[0]->type);
+ assert(ir->type == ir->operands[1]->type);
+ assert(ir->type == ir->operands[2]->type);
+ break;
+
+ case ir_triop_lrp:
assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
assert(ir->operands[0]->type == ir->operands[1]->type);
+ assert(ir->operands[2]->type == ir->operands[0]->type || ir->operands[2]->type == glsl_type::float_type);
+ break;
+
+ case ir_triop_csel:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
+ assert(ir->type->vector_elements == ir->operands[0]->type->vector_elements);
+ assert(ir->type == ir->operands[1]->type);
+ assert(ir->type == ir->operands[2]->type);
break;
- case ir_binop_cross:
- assert(ir->operands[0]->type == glsl_type::vec3_type);
- assert(ir->operands[1]->type == glsl_type::vec3_type);
- assert(ir->type == glsl_type::vec3_type);
+ case ir_triop_bfi:
+ assert(ir->operands[0]->type->is_integer());
+ assert(ir->operands[1]->type == ir->operands[2]->type);
+ assert(ir->operands[1]->type == ir->type);
break;
+
+ case ir_triop_bitfield_extract:
+ assert(ir->operands[0]->type == ir->type);
+ assert(ir->operands[1]->type == glsl_type::int_type);
+ assert(ir->operands[2]->type == glsl_type::int_type);
+ break;
+
+ case ir_triop_vector_insert:
+ assert(ir->operands[0]->type->is_vector());
+ assert(ir->operands[1]->type->is_scalar());
+ assert(ir->operands[0]->type->base_type == ir->operands[1]->type->base_type);
+ assert(ir->operands[2]->type->is_scalar()
+ && ir->operands[2]->type->is_integer());
+ assert(ir->type == ir->operands[0]->type);
+ break;
+
+ case ir_quadop_bitfield_insert:
+ assert(ir->operands[0]->type == ir->type);
+ assert(ir->operands[1]->type == ir->type);
+ assert(ir->operands[2]->type == glsl_type::int_type);
+ assert(ir->operands[3]->type == glsl_type::int_type);
+ break;
+
+ case ir_quadop_vector:
+ /* The vector operator collects some number of scalars and generates a
+ * vector from them.
+ *
+ * - All of the operands must be scalar.
+ * - Number of operands must matche the size of the resulting vector.
+ * - Base type of the operands must match the base type of the result.
+ */
+ assert(ir->type->is_vector());
+ switch (ir->type->vector_elements) {
+ case 2:
+ assert(ir->operands[0]->type->is_scalar());
+ assert(ir->operands[0]->type->base_type == ir->type->base_type);
+ assert(ir->operands[1]->type->is_scalar());
+ assert(ir->operands[1]->type->base_type == ir->type->base_type);
+ assert(ir->operands[2] == NULL);
+ assert(ir->operands[3] == NULL);
+ break;
+ case 3:
+ assert(ir->operands[0]->type->is_scalar());
+ assert(ir->operands[0]->type->base_type == ir->type->base_type);
+ assert(ir->operands[1]->type->is_scalar());
+ assert(ir->operands[1]->type->base_type == ir->type->base_type);
+ assert(ir->operands[2]->type->is_scalar());
+ assert(ir->operands[2]->type->base_type == ir->type->base_type);
+ assert(ir->operands[3] == NULL);
+ break;
+ case 4:
+ assert(ir->operands[0]->type->is_scalar());
+ assert(ir->operands[0]->type->base_type == ir->type->base_type);
+ assert(ir->operands[1]->type->is_scalar());
+ assert(ir->operands[1]->type->base_type == ir->type->base_type);
+ assert(ir->operands[2]->type->is_scalar());
+ assert(ir->operands[2]->type->base_type == ir->type->base_type);
+ assert(ir->operands[3]->type->is_scalar());
+ assert(ir->operands[3]->type->base_type == ir->type->base_type);
+ break;
+ default:
+ /* The is_vector assertion above should prevent execution from ever
+ * getting here.
+ */
+ assert(!"Should not get here.");
+ break;
+ }
+ }
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_validate::visit_leave(ir_swizzle *ir)
+{
+ unsigned int chans[4] = {ir->mask.x, ir->mask.y, ir->mask.z, ir->mask.w};
+
+ for (unsigned int i = 0; i < ir->type->vector_elements; i++) {
+ if (chans[i] >= ir->val->type->vector_elements) {
+ printf("ir_swizzle @ %p specifies a channel not present "
+ "in the value.\n", (void *) ir);
+ ir->print();
+ abort();
+ }
}
return visit_continue;
* declared before it is dereferenced.
*/
if (ir->name)
- assert(talloc_parent(ir->name) == ir);
+ assert(ralloc_parent(ir->name) == ir);
hash_table_insert(ht, ir, ir);
+
+
+ /* If a variable is an array, verify that the maximum array index is in
+ * bounds. There was once an error in AST-to-HIR conversion that set this
+ * to be out of bounds.
+ */
+ if (ir->type->array_size() > 0) {
+ if (ir->max_array_access >= ir->type->length) {
+ printf("ir_variable has maximum access out of bounds (%d vs %d)\n",
+ ir->max_array_access, ir->type->length - 1);
+ ir->print();
+ abort();
+ }
+ }
+
+ /* If a variable is an interface block (or an array of interface blocks),
+ * verify that the maximum array index for each interface member is in
+ * bounds.
+ */
+ if (ir->is_interface_instance()) {
+ const glsl_struct_field *fields =
+ ir->get_interface_type()->fields.structure;
+ for (unsigned i = 0; i < ir->get_interface_type()->length; i++) {
+ if (fields[i].type->array_size() > 0) {
+ if (ir->max_ifc_array_access[i] >= fields[i].type->length) {
+ printf("ir_variable has maximum access out of bounds for "
+ "field %s (%d vs %d)\n", fields[i].name,
+ ir->max_ifc_array_access[i], fields[i].type->length);
+ ir->print();
+ abort();
+ }
+ }
+ }
+ }
+
+ if (ir->constant_initializer != NULL && !ir->has_initializer) {
+ printf("ir_variable didn't have an initializer, but has a constant "
+ "initializer value.\n");
+ ir->print();
+ abort();
+ }
+
return visit_continue;
}
abort();
}
- /* Mask of fields that do not exist in the destination. These should
- * not be written by the assignment.
- */
- const unsigned invalid_mask = ~((1U << lhs->type->components()) - 1);
+ int lhs_components = 0;
+ for (int i = 0; i < 4; i++) {
+ if (ir->write_mask & (1 << i))
+ lhs_components++;
+ }
- if ((invalid_mask & ir->write_mask) != 0) {
- printf("Assignment write mask enables invalid components for "
- "type %s:\n", lhs->type->name);
+ if (lhs_components != ir->rhs->type->vector_elements) {
+ printf("Assignment count of LHS write mask channels enabled not\n"
+ "matching RHS vector size (%d LHS, %d RHS).\n",
+ lhs_components, ir->rhs->type->vector_elements);
ir->print();
abort();
}
return visit_continue;
}
+ir_visitor_status
+ir_validate::visit_enter(ir_call *ir)
+{
+ ir_function_signature *const callee = ir->callee;
+
+ if (callee->ir_type != ir_type_function_signature) {
+ printf("IR called by ir_call is not ir_function_signature!\n");
+ abort();
+ }
+
+ if (ir->return_deref) {
+ if (ir->return_deref->type != callee->return_type) {
+ printf("callee type %s does not match return storage type %s\n",
+ callee->return_type->name, ir->return_deref->type->name);
+ abort();
+ }
+ } else if (callee->return_type != glsl_type::void_type) {
+ printf("ir_call has non-void callee but no return storage\n");
+ abort();
+ }
+
+ const exec_node *formal_param_node = callee->parameters.head;
+ const exec_node *actual_param_node = ir->actual_parameters.head;
+ while (true) {
+ if (formal_param_node->is_tail_sentinel()
+ != actual_param_node->is_tail_sentinel()) {
+ printf("ir_call has the wrong number of parameters:\n");
+ goto dump_ir;
+ }
+ if (formal_param_node->is_tail_sentinel()) {
+ break;
+ }
+ const ir_variable *formal_param
+ = (const ir_variable *) formal_param_node;
+ const ir_rvalue *actual_param
+ = (const ir_rvalue *) actual_param_node;
+ if (formal_param->type != actual_param->type) {
+ printf("ir_call parameter type mismatch:\n");
+ goto dump_ir;
+ }
+ if (formal_param->mode == ir_var_function_out
+ || formal_param->mode == ir_var_function_inout) {
+ if (!actual_param->is_lvalue()) {
+ printf("ir_call out/inout parameters must be lvalues:\n");
+ goto dump_ir;
+ }
+ }
+ formal_param_node = formal_param_node->next;
+ actual_param_node = actual_param_node->next;
+ }
+
+ return visit_continue;
+
+dump_ir:
+ ir->print();
+ printf("callee:\n");
+ callee->print();
+ abort();
+ return visit_stop;
+}
+
void
ir_validate::validate_ir(ir_instruction *ir, void *data)
{
printf("Instruction node with unset type\n");
ir->print(); printf("\n");
}
- assert(ir->type != glsl_type::error_type);
+ ir_rvalue *value = ir->as_rvalue();
+ if (value != NULL)
+ assert(value->type != glsl_type::error_type);
}
void
validate_ir_tree(exec_list *instructions)
{
+ /* We shouldn't have any reason to validate IR in a release build,
+ * and it's half composed of assert()s anyway which wouldn't do
+ * anything.
+ */
+#ifdef DEBUG
ir_validate v;
v.run(instructions);
visit_tree(ir, check_node_type, NULL);
}
+#endif
}
projects / mesa.git / blobdiff