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-rw-r--r--mesalib/src/glsl/ir_validate.cpp1139
1 files changed, 577 insertions, 562 deletions
diff --git a/mesalib/src/glsl/ir_validate.cpp b/mesalib/src/glsl/ir_validate.cpp
index fe6ef8145..ec79d05ca 100644
--- a/mesalib/src/glsl/ir_validate.cpp
+++ b/mesalib/src/glsl/ir_validate.cpp
@@ -1,562 +1,577 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file ir_validate.cpp
- *
- * Attempts to verify that various invariants of the IR tree are true.
- *
- * In particular, at the moment it makes sure that no single
- * ir_instruction node except for ir_variable appears multiple times
- * in the ir tree. ir_variable does appear multiple times: Once as a
- * declaration in an exec_list, and multiple times as the endpoint of
- * a dereference chain.
- */
-
-#include <inttypes.h>
-#include "ir.h"
-#include "ir_hierarchical_visitor.h"
-#include "program/hash_table.h"
-#include "glsl_types.h"
-
-class ir_validate : public ir_hierarchical_visitor {
-public:
- ir_validate()
- {
- this->ht = hash_table_ctor(0, hash_table_pointer_hash,
- hash_table_pointer_compare);
-
- this->current_function = NULL;
-
- this->callback = ir_validate::validate_ir;
- this->data = ht;
- }
-
- ~ir_validate()
- {
- hash_table_dtor(this->ht);
- }
-
- 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_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(ir_assignment *ir);
- virtual ir_visitor_status visit_enter(ir_call *ir);
-
- static void validate_ir(ir_instruction *ir, void *data);
-
- ir_function *current_function;
-
- struct hash_table *ht;
-};
-
-
-ir_visitor_status
-ir_validate::visit(ir_dereference_variable *ir)
-{
- if ((ir->var == NULL) || (ir->var->as_variable() == NULL)) {
- printf("ir_dereference_variable @ %p does not specify a variable %p\n",
- (void *) ir, (void *) ir->var);
- abort();
- }
-
- if (hash_table_find(ht, ir->var) == NULL) {
- printf("ir_dereference_variable @ %p specifies undeclared variable "
- "`%s' @ %p\n",
- (void *) ir, ir->var->name, (void *) ir->var);
- abort();
- }
-
- this->validate_ir(ir, this->data);
-
- return visit_continue;
-}
-
-ir_visitor_status
-ir_validate::visit(ir_if *ir)
-{
- if (ir->condition->type != glsl_type::bool_type) {
- printf("ir_if condition %s type instead of bool.\n",
- ir->condition->type->name);
- ir->print();
- printf("\n");
- abort();
- }
-
- return visit_continue;
-}
-
-
-ir_visitor_status
-ir_validate::visit_leave(ir_loop *ir)
-{
- if (ir->counter != NULL) {
- if ((ir->from == NULL) || (ir->from == 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->from != 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)
-{
- /* Function definitions cannot be nested.
- */
- if (this->current_function != NULL) {
- printf("Function definition nested inside another function "
- "definition:\n");
- printf("%s %p inside %s %p\n",
- ir->name, (void *) ir,
- this->current_function->name, (void *) this->current_function);
- abort();
- }
-
- /* Store the current function hierarchy being traversed. This is used
- * by the function signature visitor to ensure that the signatures are
- * linked with the correct functions.
- */
- this->current_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(ralloc_parent(ir->name) == ir);
-
- this->current_function = NULL;
- return visit_continue;
-}
-
-ir_visitor_status
-ir_validate::visit_enter(ir_function_signature *ir)
-{
- if (this->current_function != ir->function()) {
- printf("Function signature nested inside wrong function "
- "definition:\n");
- printf("%p inside %s %p instead of %s %p\n",
- (void *) ir,
- this->current_function->name, (void *) this->current_function,
- ir->function_name(), (void *) ir->function());
- 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;
-}
-
-ir_visitor_status
-ir_validate::visit_leave(ir_expression *ir)
-{
- switch (ir->operation) {
- case ir_unop_bit_not:
- assert(ir->operands[0]->type == ir->type);
- break;
- case ir_unop_logic_not:
- assert(ir->type->base_type == GLSL_TYPE_BOOL);
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
- break;
-
- case ir_unop_neg:
- case ir_unop_abs:
- case ir_unop_sign:
- case ir_unop_rcp:
- case ir_unop_rsq:
- case ir_unop_sqrt:
- assert(ir->type == ir->operands[0]->type);
- break;
-
- case ir_unop_exp:
- case ir_unop_log:
- case ir_unop_exp2:
- case ir_unop_log2:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
- assert(ir->type == ir->operands[0]->type);
- break;
-
- case ir_unop_f2i:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
- assert(ir->type->base_type == GLSL_TYPE_INT);
- break;
- case ir_unop_i2f:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
- assert(ir->type->base_type == GLSL_TYPE_FLOAT);
- break;
- case ir_unop_f2b:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
- assert(ir->type->base_type == GLSL_TYPE_BOOL);
- break;
- case ir_unop_b2f:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
- assert(ir->type->base_type == GLSL_TYPE_FLOAT);
- break;
- case ir_unop_i2b:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
- assert(ir->type->base_type == GLSL_TYPE_BOOL);
- break;
- case ir_unop_b2i:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
- assert(ir->type->base_type == GLSL_TYPE_INT);
- break;
- case ir_unop_u2f:
- assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
- assert(ir->type->base_type == GLSL_TYPE_FLOAT);
- 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_noise:
- /* XXX what can we assert here? */
- break;
-
- case ir_binop_add:
- case ir_binop_sub:
- case ir_binop_mul:
- case ir_binop_div:
- case ir_binop_mod:
- case ir_binop_min:
- case ir_binop_max:
- case ir_binop_pow:
- if (ir->operands[0]->type->is_scalar())
- assert(ir->operands[1]->type == ir->type);
- else if (ir->operands[1]->type->is_scalar())
- assert(ir->operands[0]->type == ir->type);
- else if (ir->operands[0]->type->is_vector() &&
- ir->operands[1]->type->is_vector()) {
- assert(ir->operands[0]->type == ir->operands[1]->type);
- assert(ir->operands[0]->type == ir->type);
- }
- break;
-
- case ir_binop_less:
- case ir_binop_greater:
- case ir_binop_lequal:
- case ir_binop_gequal:
- 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->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_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);
- break;
-
- 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->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_logic_or:
- assert(ir->type == glsl_type::bool_type);
- assert(ir->operands[0]->type == glsl_type::bool_type);
- assert(ir->operands[1]->type == glsl_type::bool_type);
- break;
-
- 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_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)
-{
- 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;
-}
-
-ir_visitor_status
-ir_validate::visit(ir_variable *ir)
-{
- /* An ir_variable is the one thing that can (and will) appear multiple times
- * in an IR tree. It is added to the hashtable so that it can be used
- * in the ir_dereference_variable handler to ensure that a variable is
- * declared before it is dereferenced.
- */
- if (ir->name)
- assert(ralloc_parent(ir->name) == ir);
-
- hash_table_insert(ht, ir, ir);
- return visit_continue;
-}
-
-ir_visitor_status
-ir_validate::visit_enter(ir_assignment *ir)
-{
- const ir_dereference *const lhs = ir->lhs;
- if (lhs->type->is_scalar() || lhs->type->is_vector()) {
- if (ir->write_mask == 0) {
- printf("Assignment LHS is %s, but write mask is 0:\n",
- lhs->type->is_scalar() ? "scalar" : "vector");
- ir->print();
- abort();
- }
-
- int lhs_components = 0;
- for (int i = 0; i < 4; i++) {
- if (ir->write_mask & (1 << i))
- lhs_components++;
- }
-
- 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();
- }
- }
-
- this->validate_ir(ir, this->data);
-
- return visit_continue;
-}
-
-ir_visitor_status
-ir_validate::visit_enter(ir_call *ir)
-{
- ir_function_signature *const callee = ir->get_callee();
-
- if (callee->ir_type != ir_type_function_signature) {
- printf("IR called by ir_call is not ir_function_signature!\n");
- abort();
- }
-
- return visit_continue;
-}
-
-void
-ir_validate::validate_ir(ir_instruction *ir, void *data)
-{
- struct hash_table *ht = (struct hash_table *) data;
-
- if (hash_table_find(ht, ir)) {
- printf("Instruction node present twice in ir tree:\n");
- ir->print();
- printf("\n");
- abort();
- }
- hash_table_insert(ht, ir, ir);
-}
-
-void
-check_node_type(ir_instruction *ir, void *data)
-{
- (void) data;
-
- if (ir->ir_type <= ir_type_unset || ir->ir_type >= ir_type_max) {
- printf("Instruction node with unset type\n");
- ir->print(); printf("\n");
- }
- assert(ir->type != glsl_type::error_type);
-}
-
-void
-validate_ir_tree(exec_list *instructions)
-{
- ir_validate v;
-
- v.run(instructions);
-
- foreach_iter(exec_list_iterator, iter, *instructions) {
- ir_instruction *ir = (ir_instruction *)iter.get();
-
- visit_tree(ir, check_node_type, NULL);
- }
-}
+/*
+ * Copyright © 2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file ir_validate.cpp
+ *
+ * Attempts to verify that various invariants of the IR tree are true.
+ *
+ * In particular, at the moment it makes sure that no single
+ * ir_instruction node except for ir_variable appears multiple times
+ * in the ir tree. ir_variable does appear multiple times: Once as a
+ * declaration in an exec_list, and multiple times as the endpoint of
+ * a dereference chain.
+ */
+
+#include <inttypes.h>
+#include "ir.h"
+#include "ir_hierarchical_visitor.h"
+#include "program/hash_table.h"
+#include "glsl_types.h"
+
+class ir_validate : public ir_hierarchical_visitor {
+public:
+ ir_validate()
+ {
+ this->ht = hash_table_ctor(0, hash_table_pointer_hash,
+ hash_table_pointer_compare);
+
+ this->current_function = NULL;
+
+ this->callback = ir_validate::validate_ir;
+ this->data = ht;
+ }
+
+ ~ir_validate()
+ {
+ hash_table_dtor(this->ht);
+ }
+
+ 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_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(ir_assignment *ir);
+ virtual ir_visitor_status visit_enter(ir_call *ir);
+
+ static void validate_ir(ir_instruction *ir, void *data);
+
+ ir_function *current_function;
+
+ struct hash_table *ht;
+};
+
+
+ir_visitor_status
+ir_validate::visit(ir_dereference_variable *ir)
+{
+ if ((ir->var == NULL) || (ir->var->as_variable() == NULL)) {
+ printf("ir_dereference_variable @ %p does not specify a variable %p\n",
+ (void *) ir, (void *) ir->var);
+ abort();
+ }
+
+ if (hash_table_find(ht, ir->var) == NULL) {
+ printf("ir_dereference_variable @ %p specifies undeclared variable "
+ "`%s' @ %p\n",
+ (void *) ir, ir->var->name, (void *) ir->var);
+ abort();
+ }
+
+ this->validate_ir(ir, this->data);
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_validate::visit(ir_if *ir)
+{
+ if (ir->condition->type != glsl_type::bool_type) {
+ printf("ir_if condition %s type instead of bool.\n",
+ ir->condition->type->name);
+ ir->print();
+ printf("\n");
+ abort();
+ }
+
+ return visit_continue;
+}
+
+
+ir_visitor_status
+ir_validate::visit_leave(ir_loop *ir)
+{
+ if (ir->counter != NULL) {
+ if ((ir->from == NULL) || (ir->from == 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->from != 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)
+{
+ /* Function definitions cannot be nested.
+ */
+ if (this->current_function != NULL) {
+ printf("Function definition nested inside another function "
+ "definition:\n");
+ printf("%s %p inside %s %p\n",
+ ir->name, (void *) ir,
+ this->current_function->name, (void *) this->current_function);
+ abort();
+ }
+
+ /* Store the current function hierarchy being traversed. This is used
+ * by the function signature visitor to ensure that the signatures are
+ * linked with the correct functions.
+ */
+ this->current_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(ralloc_parent(ir->name) == ir);
+
+ this->current_function = NULL;
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_validate::visit_enter(ir_function_signature *ir)
+{
+ if (this->current_function != ir->function()) {
+ printf("Function signature nested inside wrong function "
+ "definition:\n");
+ printf("%p inside %s %p instead of %s %p\n",
+ (void *) ir,
+ this->current_function->name, (void *) this->current_function,
+ ir->function_name(), (void *) ir->function());
+ 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;
+}
+
+ir_visitor_status
+ir_validate::visit_leave(ir_expression *ir)
+{
+ switch (ir->operation) {
+ case ir_unop_bit_not:
+ assert(ir->operands[0]->type == ir->type);
+ break;
+ case ir_unop_logic_not:
+ assert(ir->type->base_type == GLSL_TYPE_BOOL);
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
+ break;
+
+ case ir_unop_neg:
+ case ir_unop_abs:
+ case ir_unop_sign:
+ case ir_unop_rcp:
+ case ir_unop_rsq:
+ case ir_unop_sqrt:
+ assert(ir->type == ir->operands[0]->type);
+ break;
+
+ case ir_unop_exp:
+ case ir_unop_log:
+ case ir_unop_exp2:
+ case ir_unop_log2:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->type == ir->operands[0]->type);
+ break;
+
+ case ir_unop_f2i:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->type->base_type == GLSL_TYPE_INT);
+ break;
+ case ir_unop_i2f:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
+ assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+ break;
+ case ir_unop_f2b:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_FLOAT);
+ assert(ir->type->base_type == GLSL_TYPE_BOOL);
+ break;
+ case ir_unop_b2f:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
+ assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+ break;
+ case ir_unop_i2b:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_INT);
+ assert(ir->type->base_type == GLSL_TYPE_BOOL);
+ break;
+ case ir_unop_b2i:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_BOOL);
+ assert(ir->type->base_type == GLSL_TYPE_INT);
+ break;
+ case ir_unop_u2f:
+ assert(ir->operands[0]->type->base_type == GLSL_TYPE_UINT);
+ assert(ir->type->base_type == GLSL_TYPE_FLOAT);
+ 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_noise:
+ /* XXX what can we assert here? */
+ break;
+
+ case ir_binop_add:
+ case ir_binop_sub:
+ case ir_binop_mul:
+ case ir_binop_div:
+ case ir_binop_mod:
+ case ir_binop_min:
+ case ir_binop_max:
+ case ir_binop_pow:
+ if (ir->operands[0]->type->is_scalar())
+ assert(ir->operands[1]->type == ir->type);
+ else if (ir->operands[1]->type->is_scalar())
+ assert(ir->operands[0]->type == ir->type);
+ else if (ir->operands[0]->type->is_vector() &&
+ ir->operands[1]->type->is_vector()) {
+ assert(ir->operands[0]->type == ir->operands[1]->type);
+ assert(ir->operands[0]->type == ir->type);
+ }
+ break;
+
+ case ir_binop_less:
+ case ir_binop_greater:
+ case ir_binop_lequal:
+ case ir_binop_gequal:
+ 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->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_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);
+ break;
+
+ 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->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_logic_or:
+ assert(ir->type == glsl_type::bool_type);
+ assert(ir->operands[0]->type == glsl_type::bool_type);
+ assert(ir->operands[1]->type == glsl_type::bool_type);
+ break;
+
+ 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_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)
+{
+ 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;
+}
+
+ir_visitor_status
+ir_validate::visit(ir_variable *ir)
+{
+ /* An ir_variable is the one thing that can (and will) appear multiple times
+ * in an IR tree. It is added to the hashtable so that it can be used
+ * in the ir_dereference_variable handler to ensure that a variable is
+ * declared before it is dereferenced.
+ */
+ if (ir->name)
+ 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();
+ }
+ }
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_validate::visit_enter(ir_assignment *ir)
+{
+ const ir_dereference *const lhs = ir->lhs;
+ if (lhs->type->is_scalar() || lhs->type->is_vector()) {
+ if (ir->write_mask == 0) {
+ printf("Assignment LHS is %s, but write mask is 0:\n",
+ lhs->type->is_scalar() ? "scalar" : "vector");
+ ir->print();
+ abort();
+ }
+
+ int lhs_components = 0;
+ for (int i = 0; i < 4; i++) {
+ if (ir->write_mask & (1 << i))
+ lhs_components++;
+ }
+
+ 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();
+ }
+ }
+
+ this->validate_ir(ir, this->data);
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_validate::visit_enter(ir_call *ir)
+{
+ ir_function_signature *const callee = ir->get_callee();
+
+ if (callee->ir_type != ir_type_function_signature) {
+ printf("IR called by ir_call is not ir_function_signature!\n");
+ abort();
+ }
+
+ return visit_continue;
+}
+
+void
+ir_validate::validate_ir(ir_instruction *ir, void *data)
+{
+ struct hash_table *ht = (struct hash_table *) data;
+
+ if (hash_table_find(ht, ir)) {
+ printf("Instruction node present twice in ir tree:\n");
+ ir->print();
+ printf("\n");
+ abort();
+ }
+ hash_table_insert(ht, ir, ir);
+}
+
+void
+check_node_type(ir_instruction *ir, void *data)
+{
+ (void) data;
+
+ if (ir->ir_type <= ir_type_unset || ir->ir_type >= ir_type_max) {
+ printf("Instruction node with unset type\n");
+ ir->print(); printf("\n");
+ }
+ assert(ir->type != glsl_type::error_type);
+}
+
+void
+validate_ir_tree(exec_list *instructions)
+{
+ ir_validate v;
+
+ v.run(instructions);
+
+ foreach_iter(exec_list_iterator, iter, *instructions) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+
+ visit_tree(ir, check_node_type, NULL);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 08:57:53 +0000