From 807c6931fe683fd844ceec1b023232181e6aae03 Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 28 Dec 2010 16:10:20 +0000 Subject: xserver and mesa git update 28-12-2010 --- mesalib/src/glsl/ir_clone.cpp | 825 +++++++++++++++++++++--------------------- 1 file changed, 420 insertions(+), 405 deletions(-) (limited to 'mesalib/src/glsl/ir_clone.cpp') diff --git a/mesalib/src/glsl/ir_clone.cpp b/mesalib/src/glsl/ir_clone.cpp index 18543a35a..a3c35f042 100644 --- a/mesalib/src/glsl/ir_clone.cpp +++ b/mesalib/src/glsl/ir_clone.cpp @@ -1,405 +1,420 @@ -/* - * 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. - */ - -#include -#include "ir.h" -#include "glsl_types.h" -extern "C" { -#include "program/hash_table.h" -} - -/** - * Duplicate an IR variable - * - * \note - * This will probably be made \c virtual and moved to the base class - * eventually. - */ -ir_variable * -ir_variable::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_variable *var = new(mem_ctx) ir_variable(this->type, this->name, - (ir_variable_mode) this->mode); - - var->max_array_access = this->max_array_access; - var->read_only = this->read_only; - var->centroid = this->centroid; - var->invariant = this->invariant; - var->interpolation = this->interpolation; - var->array_lvalue = this->array_lvalue; - var->location = this->location; - var->warn_extension = this->warn_extension; - var->origin_upper_left = this->origin_upper_left; - var->pixel_center_integer = this->pixel_center_integer; - - if (this->constant_value) - var->constant_value = this->constant_value->clone(mem_ctx, ht); - - if (ht) { - hash_table_insert(ht, var, (void *)const_cast(this)); - } - - return var; -} - -ir_swizzle * -ir_swizzle::clone(void *mem_ctx, struct hash_table *ht) const -{ - return new(mem_ctx) ir_swizzle(this->val->clone(mem_ctx, ht), this->mask); -} - -ir_return * -ir_return::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_rvalue *new_value = NULL; - - if (this->value) - new_value = this->value->clone(mem_ctx, ht); - - return new(mem_ctx) ir_return(new_value); -} - -ir_discard * -ir_discard::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_rvalue *new_condition = NULL; - - if (this->condition != NULL) - new_condition = this->condition->clone(mem_ctx, ht); - - return new(mem_ctx) ir_discard(new_condition); -} - -ir_loop_jump * -ir_loop_jump::clone(void *mem_ctx, struct hash_table *ht) const -{ - (void)ht; - - return new(mem_ctx) ir_loop_jump(this->mode); -} - -ir_if * -ir_if::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_if *new_if = new(mem_ctx) ir_if(this->condition->clone(mem_ctx, ht)); - - foreach_iter(exec_list_iterator, iter, this->then_instructions) { - ir_instruction *ir = (ir_instruction *)iter.get(); - new_if->then_instructions.push_tail(ir->clone(mem_ctx, ht)); - } - - foreach_iter(exec_list_iterator, iter, this->else_instructions) { - ir_instruction *ir = (ir_instruction *)iter.get(); - new_if->else_instructions.push_tail(ir->clone(mem_ctx, ht)); - } - - return new_if; -} - -ir_loop * -ir_loop::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_loop *new_loop = new(mem_ctx) ir_loop(); - - if (this->from) - new_loop->from = this->from->clone(mem_ctx, ht); - if (this->to) - new_loop->to = this->to->clone(mem_ctx, ht); - if (this->increment) - new_loop->increment = this->increment->clone(mem_ctx, ht); - new_loop->counter = counter; - - foreach_iter(exec_list_iterator, iter, this->body_instructions) { - ir_instruction *ir = (ir_instruction *)iter.get(); - new_loop->body_instructions.push_tail(ir->clone(mem_ctx, ht)); - } - - new_loop->cmp = this->cmp; - return new_loop; -} - -ir_call * -ir_call::clone(void *mem_ctx, struct hash_table *ht) const -{ - if (this->type == glsl_type::error_type) - return ir_call::get_error_instruction(mem_ctx); - - exec_list new_parameters; - - foreach_iter(exec_list_iterator, iter, this->actual_parameters) { - ir_instruction *ir = (ir_instruction *)iter.get(); - new_parameters.push_tail(ir->clone(mem_ctx, ht)); - } - - return new(mem_ctx) ir_call(this->callee, &new_parameters); -} - -ir_expression * -ir_expression::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_rvalue *op[2] = {NULL, NULL}; - unsigned int i; - - for (i = 0; i < get_num_operands(); i++) { - op[i] = this->operands[i]->clone(mem_ctx, ht); - } - - return new(mem_ctx) ir_expression(this->operation, this->type, op[0], op[1]); -} - -ir_dereference_variable * -ir_dereference_variable::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_variable *new_var; - - if (ht) { - new_var = (ir_variable *)hash_table_find(ht, this->var); - if (!new_var) - new_var = this->var; - } else { - new_var = this->var; - } - - return new(mem_ctx) ir_dereference_variable(new_var); -} - -ir_dereference_array * -ir_dereference_array::clone(void *mem_ctx, struct hash_table *ht) const -{ - return new(mem_ctx) ir_dereference_array(this->array->clone(mem_ctx, ht), - this->array_index->clone(mem_ctx, - ht)); -} - -ir_dereference_record * -ir_dereference_record::clone(void *mem_ctx, struct hash_table *ht) const -{ - return new(mem_ctx) ir_dereference_record(this->record->clone(mem_ctx, ht), - this->field); -} - -ir_texture * -ir_texture::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_texture *new_tex = new(mem_ctx) ir_texture(this->op); - new_tex->type = this->type; - - new_tex->sampler = this->sampler->clone(mem_ctx, ht); - new_tex->coordinate = this->coordinate->clone(mem_ctx, ht); - if (this->projector) - new_tex->projector = this->projector->clone(mem_ctx, ht); - if (this->shadow_comparitor) { - new_tex->shadow_comparitor = this->shadow_comparitor->clone(mem_ctx, ht); - } - - for (int i = 0; i < 3; i++) - new_tex->offsets[i] = this->offsets[i]; - - switch (this->op) { - case ir_tex: - break; - case ir_txb: - new_tex->lod_info.bias = this->lod_info.bias->clone(mem_ctx, ht); - break; - case ir_txl: - case ir_txf: - new_tex->lod_info.lod = this->lod_info.lod->clone(mem_ctx, ht); - break; - case ir_txd: - new_tex->lod_info.grad.dPdx = this->lod_info.grad.dPdx->clone(mem_ctx, ht); - new_tex->lod_info.grad.dPdy = this->lod_info.grad.dPdy->clone(mem_ctx, ht); - break; - } - - return new_tex; -} - -ir_assignment * -ir_assignment::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_rvalue *new_condition = NULL; - - if (this->condition) - new_condition = this->condition->clone(mem_ctx, ht); - - return new(mem_ctx) ir_assignment(this->lhs->clone(mem_ctx, ht), - this->rhs->clone(mem_ctx, ht), - new_condition, - this->write_mask); -} - -ir_function * -ir_function::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_function *copy = new(mem_ctx) ir_function(this->name); - - foreach_list_const(node, &this->signatures) { - const ir_function_signature *const sig = - (const ir_function_signature *const) node; - - ir_function_signature *sig_copy = sig->clone(mem_ctx, ht); - copy->add_signature(sig_copy); - - if (ht != NULL) - hash_table_insert(ht, sig_copy, - (void *)const_cast(sig)); - } - - return copy; -} - -ir_function_signature * -ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const -{ - ir_function_signature *copy = - new(mem_ctx) ir_function_signature(this->return_type); - - copy->is_defined = this->is_defined; - copy->is_builtin = this->is_builtin; - - /* Clone the parameter list. - */ - foreach_list_const(node, &this->parameters) { - const ir_variable *const param = (const ir_variable *) node; - - assert(const_cast(param)->as_variable() != NULL); - - ir_variable *const param_copy = param->clone(mem_ctx, ht); - copy->parameters.push_tail(param_copy); - } - - /* Clone the instruction list. - */ - foreach_list_const(node, &this->body) { - const ir_instruction *const inst = (const ir_instruction *) node; - - ir_instruction *const inst_copy = inst->clone(mem_ctx, ht); - copy->body.push_tail(inst_copy); - } - - return copy; -} - -ir_constant * -ir_constant::clone(void *mem_ctx, struct hash_table *ht) const -{ - (void)ht; - - switch (this->type->base_type) { - case GLSL_TYPE_UINT: - case GLSL_TYPE_INT: - case GLSL_TYPE_FLOAT: - case GLSL_TYPE_BOOL: - return new(mem_ctx) ir_constant(this->type, &this->value); - - case GLSL_TYPE_STRUCT: { - ir_constant *c = new(mem_ctx) ir_constant; - - c->type = this->type; - for (exec_node *node = this->components.head - ; !node->is_tail_sentinel() - ; node = node->next) { - ir_constant *const orig = (ir_constant *) node; - - c->components.push_tail(orig->clone(mem_ctx, NULL)); - } - - return c; - } - - case GLSL_TYPE_ARRAY: { - ir_constant *c = new(mem_ctx) ir_constant; - - c->type = this->type; - c->array_elements = talloc_array(c, ir_constant *, this->type->length); - for (unsigned i = 0; i < this->type->length; i++) { - c->array_elements[i] = this->array_elements[i]->clone(mem_ctx, NULL); - } - return c; - } - - default: - assert(!"Should not get here."); - return NULL; - } -} - - -class fixup_ir_call_visitor : public ir_hierarchical_visitor { -public: - fixup_ir_call_visitor(struct hash_table *ht) - { - this->ht = ht; - } - - virtual ir_visitor_status visit_enter(ir_call *ir) - { - /* Try to find the function signature referenced by the ir_call in the - * table. If it is found, replace it with the value from the table. - */ - ir_function_signature *sig = - (ir_function_signature *) hash_table_find(this->ht, ir->get_callee()); - if (sig != NULL) - ir->set_callee(sig); - - /* Since this may be used before function call parameters are flattened, - * the children also need to be processed. - */ - return visit_continue; - } - -private: - struct hash_table *ht; -}; - - -static void -fixup_function_calls(struct hash_table *ht, exec_list *instructions) -{ - fixup_ir_call_visitor v(ht); - v.run(instructions); -} - - -void -clone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in) -{ - struct hash_table *ht = - hash_table_ctor(0, hash_table_pointer_hash, hash_table_pointer_compare); - - foreach_list_const(node, in) { - const ir_instruction *const original = (ir_instruction *) node; - ir_instruction *copy = original->clone(mem_ctx, ht); - - out->push_tail(copy); - } - - /* Make a pass over the cloned tree to fix up ir_call nodes to point to the - * cloned ir_function_signature nodes. This cannot be done automatically - * during cloning because the ir_call might be a forward reference (i.e., - * the function signature that it references may not have been cloned yet). - */ - fixup_function_calls(ht, out); - - hash_table_dtor(ht); -} +/* + * 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. + */ + +#include +#include "main/compiler.h" +#include "ir.h" +#include "glsl_types.h" +extern "C" { +#include "program/hash_table.h" +} + +/** + * Duplicate an IR variable + * + * \note + * This will probably be made \c virtual and moved to the base class + * eventually. + */ +ir_variable * +ir_variable::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_variable *var = new(mem_ctx) ir_variable(this->type, this->name, + (ir_variable_mode) this->mode); + + var->max_array_access = this->max_array_access; + var->read_only = this->read_only; + var->centroid = this->centroid; + var->invariant = this->invariant; + var->interpolation = this->interpolation; + var->array_lvalue = this->array_lvalue; + var->location = this->location; + var->warn_extension = this->warn_extension; + var->origin_upper_left = this->origin_upper_left; + var->pixel_center_integer = this->pixel_center_integer; + var->explicit_location = this->explicit_location; + if (this->explicit_location) + var->location = this->location; + + if (this->constant_value) + var->constant_value = this->constant_value->clone(mem_ctx, ht); + + if (ht) { + hash_table_insert(ht, var, (void *)const_cast(this)); + } + + return var; +} + +ir_swizzle * +ir_swizzle::clone(void *mem_ctx, struct hash_table *ht) const +{ + return new(mem_ctx) ir_swizzle(this->val->clone(mem_ctx, ht), this->mask); +} + +ir_return * +ir_return::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *new_value = NULL; + + if (this->value) + new_value = this->value->clone(mem_ctx, ht); + + return new(mem_ctx) ir_return(new_value); +} + +ir_discard * +ir_discard::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *new_condition = NULL; + + if (this->condition != NULL) + new_condition = this->condition->clone(mem_ctx, ht); + + return new(mem_ctx) ir_discard(new_condition); +} + +ir_loop_jump * +ir_loop_jump::clone(void *mem_ctx, struct hash_table *ht) const +{ + (void)ht; + + return new(mem_ctx) ir_loop_jump(this->mode); +} + +ir_if * +ir_if::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_if *new_if = new(mem_ctx) ir_if(this->condition->clone(mem_ctx, ht)); + + foreach_iter(exec_list_iterator, iter, this->then_instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_if->then_instructions.push_tail(ir->clone(mem_ctx, ht)); + } + + foreach_iter(exec_list_iterator, iter, this->else_instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_if->else_instructions.push_tail(ir->clone(mem_ctx, ht)); + } + + return new_if; +} + +ir_loop * +ir_loop::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_loop *new_loop = new(mem_ctx) ir_loop(); + + if (this->from) + new_loop->from = this->from->clone(mem_ctx, ht); + if (this->to) + new_loop->to = this->to->clone(mem_ctx, ht); + if (this->increment) + new_loop->increment = this->increment->clone(mem_ctx, ht); + new_loop->counter = counter; + + foreach_iter(exec_list_iterator, iter, this->body_instructions) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_loop->body_instructions.push_tail(ir->clone(mem_ctx, ht)); + } + + new_loop->cmp = this->cmp; + return new_loop; +} + +ir_call * +ir_call::clone(void *mem_ctx, struct hash_table *ht) const +{ + if (this->type == glsl_type::error_type) + return ir_call::get_error_instruction(mem_ctx); + + exec_list new_parameters; + + foreach_iter(exec_list_iterator, iter, this->actual_parameters) { + ir_instruction *ir = (ir_instruction *)iter.get(); + new_parameters.push_tail(ir->clone(mem_ctx, ht)); + } + + return new(mem_ctx) ir_call(this->callee, &new_parameters); +} + +ir_expression * +ir_expression::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *op[Elements(this->operands)] = { NULL, }; + unsigned int i; + + for (i = 0; i < get_num_operands(); i++) { + op[i] = this->operands[i]->clone(mem_ctx, ht); + } + + return new(mem_ctx) ir_expression(this->operation, this->type, + op[0], op[1], op[2], op[3]); +} + +ir_dereference_variable * +ir_dereference_variable::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_variable *new_var; + + if (ht) { + new_var = (ir_variable *)hash_table_find(ht, this->var); + if (!new_var) + new_var = this->var; + } else { + new_var = this->var; + } + + return new(mem_ctx) ir_dereference_variable(new_var); +} + +ir_dereference_array * +ir_dereference_array::clone(void *mem_ctx, struct hash_table *ht) const +{ + return new(mem_ctx) ir_dereference_array(this->array->clone(mem_ctx, ht), + this->array_index->clone(mem_ctx, + ht)); +} + +ir_dereference_record * +ir_dereference_record::clone(void *mem_ctx, struct hash_table *ht) const +{ + return new(mem_ctx) ir_dereference_record(this->record->clone(mem_ctx, ht), + this->field); +} + +ir_texture * +ir_texture::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_texture *new_tex = new(mem_ctx) ir_texture(this->op); + new_tex->type = this->type; + + new_tex->sampler = this->sampler->clone(mem_ctx, ht); + new_tex->coordinate = this->coordinate->clone(mem_ctx, ht); + if (this->projector) + new_tex->projector = this->projector->clone(mem_ctx, ht); + if (this->shadow_comparitor) { + new_tex->shadow_comparitor = this->shadow_comparitor->clone(mem_ctx, ht); + } + + for (int i = 0; i < 3; i++) + new_tex->offsets[i] = this->offsets[i]; + + switch (this->op) { + case ir_tex: + break; + case ir_txb: + new_tex->lod_info.bias = this->lod_info.bias->clone(mem_ctx, ht); + break; + case ir_txl: + case ir_txf: + new_tex->lod_info.lod = this->lod_info.lod->clone(mem_ctx, ht); + break; + case ir_txd: + new_tex->lod_info.grad.dPdx = this->lod_info.grad.dPdx->clone(mem_ctx, ht); + new_tex->lod_info.grad.dPdy = this->lod_info.grad.dPdy->clone(mem_ctx, ht); + break; + } + + return new_tex; +} + +ir_assignment * +ir_assignment::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_rvalue *new_condition = NULL; + + if (this->condition) + new_condition = this->condition->clone(mem_ctx, ht); + + return new(mem_ctx) ir_assignment(this->lhs->clone(mem_ctx, ht), + this->rhs->clone(mem_ctx, ht), + new_condition, + this->write_mask); +} + +ir_function * +ir_function::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_function *copy = new(mem_ctx) ir_function(this->name); + + foreach_list_const(node, &this->signatures) { + const ir_function_signature *const sig = + (const ir_function_signature *const) node; + + ir_function_signature *sig_copy = sig->clone(mem_ctx, ht); + copy->add_signature(sig_copy); + + if (ht != NULL) + hash_table_insert(ht, sig_copy, + (void *)const_cast(sig)); + } + + return copy; +} + +ir_function_signature * +ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const +{ + ir_function_signature *copy = this->clone_prototype(mem_ctx, ht); + + copy->is_defined = this->is_defined; + + /* Clone the instruction list. + */ + foreach_list_const(node, &this->body) { + const ir_instruction *const inst = (const ir_instruction *) node; + + ir_instruction *const inst_copy = inst->clone(mem_ctx, ht); + copy->body.push_tail(inst_copy); + } + + return copy; +} + +ir_function_signature * +ir_function_signature::clone_prototype(void *mem_ctx, struct hash_table *ht) const +{ + ir_function_signature *copy = + new(mem_ctx) ir_function_signature(this->return_type); + + copy->is_defined = false; + copy->is_builtin = this->is_builtin; + + /* Clone the parameter list, but NOT the body. + */ + foreach_list_const(node, &this->parameters) { + const ir_variable *const param = (const ir_variable *) node; + + assert(const_cast(param)->as_variable() != NULL); + + ir_variable *const param_copy = param->clone(mem_ctx, ht); + copy->parameters.push_tail(param_copy); + } + + return copy; +} + +ir_constant * +ir_constant::clone(void *mem_ctx, struct hash_table *ht) const +{ + (void)ht; + + switch (this->type->base_type) { + case GLSL_TYPE_UINT: + case GLSL_TYPE_INT: + case GLSL_TYPE_FLOAT: + case GLSL_TYPE_BOOL: + return new(mem_ctx) ir_constant(this->type, &this->value); + + case GLSL_TYPE_STRUCT: { + ir_constant *c = new(mem_ctx) ir_constant; + + c->type = this->type; + for (exec_node *node = this->components.head + ; !node->is_tail_sentinel() + ; node = node->next) { + ir_constant *const orig = (ir_constant *) node; + + c->components.push_tail(orig->clone(mem_ctx, NULL)); + } + + return c; + } + + case GLSL_TYPE_ARRAY: { + ir_constant *c = new(mem_ctx) ir_constant; + + c->type = this->type; + c->array_elements = talloc_array(c, ir_constant *, this->type->length); + for (unsigned i = 0; i < this->type->length; i++) { + c->array_elements[i] = this->array_elements[i]->clone(mem_ctx, NULL); + } + return c; + } + + default: + assert(!"Should not get here."); + return NULL; + } +} + + +class fixup_ir_call_visitor : public ir_hierarchical_visitor { +public: + fixup_ir_call_visitor(struct hash_table *ht) + { + this->ht = ht; + } + + virtual ir_visitor_status visit_enter(ir_call *ir) + { + /* Try to find the function signature referenced by the ir_call in the + * table. If it is found, replace it with the value from the table. + */ + ir_function_signature *sig = + (ir_function_signature *) hash_table_find(this->ht, ir->get_callee()); + if (sig != NULL) + ir->set_callee(sig); + + /* Since this may be used before function call parameters are flattened, + * the children also need to be processed. + */ + return visit_continue; + } + +private: + struct hash_table *ht; +}; + + +static void +fixup_function_calls(struct hash_table *ht, exec_list *instructions) +{ + fixup_ir_call_visitor v(ht); + v.run(instructions); +} + + +void +clone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in) +{ + struct hash_table *ht = + hash_table_ctor(0, hash_table_pointer_hash, hash_table_pointer_compare); + + foreach_list_const(node, in) { + const ir_instruction *const original = (ir_instruction *) node; + ir_instruction *copy = original->clone(mem_ctx, ht); + + out->push_tail(copy); + } + + /* Make a pass over the cloned tree to fix up ir_call nodes to point to the + * cloned ir_function_signature nodes. This cannot be done automatically + * during cloning because the ir_call might be a forward reference (i.e., + * the function signature that it references may not have been cloned yet). + */ + fixup_function_calls(ht, out); + + hash_table_dtor(ht); +} -- cgit v1.2.3