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-rw-r--r--src/compiler/Makefile.sources2
-rw-r--r--src/compiler/glsl/ir_builder_print_visitor.cpp756
-rw-r--r--src/compiler/glsl/ir_builder_print_visitor.h32
3 files changed, 790 insertions, 0 deletions
diff --git a/src/compiler/Makefile.sources b/src/compiler/Makefile.sources
index b710cbd2698..1809e20c53b 100644
--- a/src/compiler/Makefile.sources
+++ b/src/compiler/Makefile.sources
@@ -143,6 +143,8 @@ LIBGLSL_SHADER_CACHE_FILES = \
# glsl_compiler
GLSL_COMPILER_CXX_FILES = \
+ glsl/ir_builder_print_visitor.cpp \
+ glsl/ir_builder_print_visitor.h \
glsl/standalone_scaffolding.cpp \
glsl/standalone_scaffolding.h \
glsl/standalone.cpp \
diff --git a/src/compiler/glsl/ir_builder_print_visitor.cpp b/src/compiler/glsl/ir_builder_print_visitor.cpp
new file mode 100644
index 00000000000..d7bba9b81a2
--- /dev/null
+++ b/src/compiler/glsl/ir_builder_print_visitor.cpp
@@ -0,0 +1,756 @@
+/*
+ * Copyright © 2016 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 "ir.h"
+#include "ir_hierarchical_visitor.h"
+#include "ir_builder_print_visitor.h"
+#include "compiler/glsl_types.h"
+#include "glsl_parser_extras.h"
+#include "main/macros.h"
+#include "util/hash_table.h"
+
+class ir_builder_print_visitor : public ir_hierarchical_visitor {
+public:
+ ir_builder_print_visitor(FILE *f);
+ virtual ~ir_builder_print_visitor();
+
+ void indent(void);
+
+ virtual ir_visitor_status visit(class ir_variable *);
+ virtual ir_visitor_status visit(class ir_dereference_variable *);
+ virtual ir_visitor_status visit(class ir_constant *);
+ virtual ir_visitor_status visit(class ir_loop_jump *);
+
+ virtual ir_visitor_status visit_enter(class ir_if *);
+
+ virtual ir_visitor_status visit_enter(class ir_loop *);
+ virtual ir_visitor_status visit_leave(class ir_loop *);
+
+ virtual ir_visitor_status visit_enter(class ir_function_signature *);
+ virtual ir_visitor_status visit_leave(class ir_function_signature *);
+
+ virtual ir_visitor_status visit_enter(class ir_expression *);
+
+ virtual ir_visitor_status visit_enter(class ir_assignment *);
+ virtual ir_visitor_status visit_leave(class ir_assignment *);
+
+ virtual ir_visitor_status visit_leave(class ir_call *);
+ virtual ir_visitor_status visit_leave(class ir_swizzle *);
+ virtual ir_visitor_status visit_leave(class ir_return *);
+
+private:
+ void print_with_indent(const char *fmt, ...);
+ void print_without_indent(const char *fmt, ...);
+
+ void print_without_declaration(const ir_rvalue *ir);
+ void print_without_declaration(const ir_constant *ir);
+ void print_without_declaration(const ir_dereference_variable *ir);
+ void print_without_declaration(const ir_swizzle *ir);
+ void print_without_declaration(const ir_expression *ir);
+
+ unsigned next_ir_index;
+
+ /**
+ * Mapping from ir_instruction * -> index used in the generated C code
+ * variable name.
+ */
+ hash_table *index_map;
+
+ FILE *f;
+
+ int indentation;
+};
+
+/* An operand is "simple" if it can be compactly printed on one line.
+ */
+static bool
+is_simple_operand(const ir_rvalue *ir, unsigned depth = 1)
+{
+ if (depth == 0)
+ return false;
+
+ switch (ir->ir_type) {
+ case ir_type_dereference_variable:
+ return true;
+
+ case ir_type_constant: {
+ if (ir->type == glsl_type::uint_type ||
+ ir->type == glsl_type::int_type ||
+ ir->type == glsl_type::float_type ||
+ ir->type == glsl_type::bool_type)
+ return true;
+
+ const ir_constant *const c = (ir_constant *) ir;
+ ir_constant_data all_zero;
+ memset(&all_zero, 0, sizeof(all_zero));
+
+ return memcmp(&c->value, &all_zero, sizeof(all_zero)) == 0;
+ }
+
+ case ir_type_swizzle: {
+ const ir_swizzle *swiz = (ir_swizzle *) ir;
+ return swiz->mask.num_components == 1 &&
+ is_simple_operand(swiz->val, depth);
+ }
+
+ case ir_type_expression: {
+ const ir_expression *expr = (ir_expression *) ir;
+
+ for (unsigned i = 0; i < expr->get_num_operands(); i++) {
+ if (!is_simple_operand(expr->operands[i], depth - 1))
+ return false;
+ }
+
+ return true;
+ }
+
+ default:
+ return false;
+ }
+}
+
+void
+_mesa_print_builder_for_ir(FILE *f, exec_list *instructions)
+{
+ ir_builder_print_visitor v(f);
+ v.run(instructions);
+}
+
+ir_builder_print_visitor::ir_builder_print_visitor(FILE *f)
+ : next_ir_index(1), f(f), indentation(0)
+{
+ index_map =
+ _mesa_hash_table_create(NULL, _mesa_hash_pointer, _mesa_key_pointer_equal);
+}
+
+ir_builder_print_visitor::~ir_builder_print_visitor()
+{
+ _mesa_hash_table_destroy(index_map, NULL);
+}
+
+void ir_builder_print_visitor::indent(void)
+{
+ for (int i = 0; i < indentation; i++)
+ fprintf(f, " ");
+}
+
+void
+ir_builder_print_visitor::print_with_indent(const char *fmt, ...)
+{
+ va_list ap;
+
+ indent();
+
+ va_start(ap, fmt);
+ vfprintf(f, fmt, ap);
+ va_end(ap);
+}
+
+void
+ir_builder_print_visitor::print_without_indent(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vfprintf(f, fmt, ap);
+ va_end(ap);
+}
+
+void
+ir_builder_print_visitor::print_without_declaration(const ir_rvalue *ir)
+{
+ switch (ir->ir_type) {
+ case ir_type_dereference_variable:
+ print_without_declaration((ir_dereference_variable *) ir);
+ break;
+ case ir_type_constant:
+ print_without_declaration((ir_constant *) ir);
+ break;
+ case ir_type_swizzle:
+ print_without_declaration((ir_swizzle *) ir);
+ break;
+ case ir_type_expression:
+ print_without_declaration((ir_expression *) ir);
+ break;
+ default:
+ unreachable("Invalid IR type.");
+ }
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit(ir_variable *ir)
+{
+ const unsigned my_index = next_ir_index++;
+
+ _mesa_hash_table_insert(index_map, ir, (void *)(uintptr_t) my_index);
+
+ const char *mode_str;
+ switch (ir->data.mode) {
+ case ir_var_auto: mode_str = "ir_var_auto"; break;
+ case ir_var_uniform: mode_str = "ir_var_uniform"; break;
+ case ir_var_shader_storage: mode_str = "ir_var_shader_storage"; break;
+ case ir_var_shader_shared: mode_str = "ir_var_shader_shared"; break;
+ case ir_var_shader_in: mode_str = "ir_var_shader_in"; break;
+ case ir_var_shader_out: mode_str = "ir_var_shader_out"; break;
+ case ir_var_function_in: mode_str = "ir_var_function_in"; break;
+ case ir_var_function_out: mode_str = "ir_var_function_out"; break;
+ case ir_var_function_inout: mode_str = "ir_var_function_inout"; break;
+ case ir_var_const_in: mode_str = "ir_var_const_in"; break;
+ case ir_var_system_value: mode_str = "ir_var_system_value"; break;
+ case ir_var_temporary: mode_str = "ir_var_temporary"; break;
+ default:
+ unreachable("Invalid variable mode");
+ }
+
+ if (ir->data.mode == ir_var_temporary) {
+ print_with_indent("ir_variable *const r%04X = body.make_temp(glsl_type::%s_type, \"%s\");\n",
+ my_index,
+ ir->type->name,
+ ir->name);
+ } else {
+ print_with_indent("ir_variable *const r%04X = new(mem_ctx) ir_variable(glsl_type::%s_type, \"%s\", %s);\n",
+ my_index,
+ ir->type->name,
+ ir->name,
+ mode_str);
+
+ switch (ir->data.mode) {
+ case ir_var_function_in:
+ case ir_var_function_out:
+ case ir_var_function_inout:
+ case ir_var_const_in:
+ print_with_indent("sig_parameters.push_tail(r%04X);\n", my_index);
+ break;
+ default:
+ print_with_indent("body.emit(r%04X);\n", my_index);
+ break;
+ }
+ }
+
+ return visit_continue;
+}
+
+void
+ir_builder_print_visitor::print_without_declaration(const ir_dereference_variable *ir)
+{
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir->var);
+
+ print_without_indent("r%04X", (unsigned)(uintptr_t) he->data);
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit(ir_dereference_variable *ir)
+{
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir->var);
+
+ if (he != NULL)
+ _mesa_hash_table_insert(index_map, ir, he->data);
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_enter(ir_function_signature *ir)
+{
+ if (!ir->is_defined)
+ return visit_continue_with_parent;
+
+ print_with_indent("ir_function_signature *\n"
+ "%s(void *mem_ctx, builtin_available_predicate avail)\n"
+ "{\n",
+ ir->function_name());
+ indentation++;
+ print_with_indent("ir_function_signature *const sig =\n");
+ print_with_indent(" new(mem_ctx) ir_function_signature(glsl_type::%s_type, avail);\n",
+ ir->return_type->name);
+
+ print_with_indent("ir_factory body(&sig->body, mem_ctx);\n");
+ print_with_indent("sig->is_defined = true;\n\n");
+
+ if (!ir->parameters.is_empty())
+ print_with_indent("exec_list sig_parameters;\n\n");
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_leave(ir_function_signature *ir)
+{
+ if (!ir->parameters.is_empty())
+ print_with_indent("sig->replace_parameters(&sig_parameters);\n");
+
+ print_with_indent("return sig;\n");
+ indentation--;
+ print_with_indent("}\n");
+ return visit_continue;
+}
+
+void
+ir_builder_print_visitor::print_without_declaration(const ir_constant *ir)
+{
+ if (ir->type->is_scalar()) {
+ switch (ir->type->base_type) {
+ case GLSL_TYPE_UINT:
+ print_without_indent("body.constant(%uu)", ir->value.u[0]);
+ return;
+ case GLSL_TYPE_INT:
+ print_without_indent("body.constant(int(%d))", ir->value.i[0]);
+ return;
+ case GLSL_TYPE_FLOAT:
+ print_without_indent("body.constant(%ff)", ir->value.f[0]);
+ return;
+ case GLSL_TYPE_BOOL:
+ print_without_indent("body.constant(%s)",
+ ir->value.i[0] != 0 ? "true" : "false");
+ return;
+ default:
+ break;
+ }
+ }
+
+ ir_constant_data all_zero;
+ memset(&all_zero, 0, sizeof(all_zero));
+
+ if (memcmp(&ir->value, &all_zero, sizeof(all_zero)) == 0) {
+ print_without_indent("ir_constant::zero(mem_ctx, glsl_type::%s_type)",
+ ir->type->name);
+ }
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit(ir_constant *ir)
+{
+ const unsigned my_index = next_ir_index++;
+
+ _mesa_hash_table_insert(index_map, ir, (void *)(uintptr_t) my_index);
+
+ if (ir->type == glsl_type::uint_type ||
+ ir->type == glsl_type::int_type ||
+ ir->type == glsl_type::float_type ||
+ ir->type == glsl_type::bool_type) {
+ print_with_indent("ir_constant *const r%04X = ", my_index);
+ print_without_declaration(ir);
+ print_without_indent(";\n");
+ return visit_continue;
+ }
+
+ ir_constant_data all_zero;
+ memset(&all_zero, 0, sizeof(all_zero));
+
+ if (memcmp(&ir->value, &all_zero, sizeof(all_zero)) == 0) {
+ print_with_indent("ir_constant *const r%04X = ", my_index);
+ print_without_declaration(ir);
+ print_without_indent(";\n");
+ } else {
+ print_with_indent("ir_constant_data r%04X_data;\n", my_index);
+ print_with_indent("memset(&r%04X_data, 0, sizeof(ir_constant_data));\n",
+ my_index);
+ for (unsigned i = 0; i < 16; i++) {
+ switch (ir->type->base_type) {
+ case GLSL_TYPE_UINT:
+ if (ir->value.u[i] != 0)
+ print_without_indent("r%04X_data.u[%u] = %u;\n",
+ my_index, i, ir->value.u[i]);
+ break;
+ case GLSL_TYPE_INT:
+ if (ir->value.i[i] != 0)
+ print_without_indent("r%04X_data.i[%u] = %i;\n",
+ my_index, i, ir->value.i[i]);
+ break;
+ case GLSL_TYPE_FLOAT:
+ if (ir->value.u[i] != 0)
+ print_without_indent("r%04X_data.u[%u] = 0x%08x; /* %f */\n",
+ my_index,
+ i,
+ ir->value.u[i],
+ ir->value.f[i]);
+ break;
+ case GLSL_TYPE_DOUBLE: {
+ uint64_t v;
+
+ STATIC_ASSERT(sizeof(double) == sizeof(uint64_t));
+
+ memcpy(&v, &ir->value.d[i], sizeof(v));
+ if (v != 0)
+ /* FIXME: This won't actually work until ARB_gpu_shader_int64
+ * support lands.
+ */
+ print_without_indent("r%04X_data.u64[%u] = 0x%016" PRIx64 "; /* %g */\n",
+ my_index, i, v, ir->value.d[i]);
+ break;
+ }
+ case GLSL_TYPE_BOOL:
+ if (ir->value.u[i] != 0)
+ print_without_indent("r%04X_data.u[%u] = 1;\n", my_index, i);
+ break;
+ default:
+ unreachable("Invalid constant type");
+ }
+ }
+
+ print_with_indent("ir_constant *const r%04X = new(mem_ctx) ir_constant(glsl_type::%s_type, &r%04X_data);\n",
+ my_index,
+ ir->type->name,
+ my_index);
+ }
+
+ return visit_continue;
+}
+
+void
+ir_builder_print_visitor::print_without_declaration(const ir_swizzle *ir)
+{
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir->val);
+
+ if (ir->mask.num_components == 1) {
+ static const char swiz[4] = { 'x', 'y', 'z', 'w' };
+
+ if (is_simple_operand(ir->val)) {
+ print_without_indent("swizzle_%c(", swiz[ir->mask.x]);
+ print_without_declaration(ir->val);
+ print_without_indent(")");
+ } else {
+ print_without_indent("swizzle_%c(r%04X)",
+ swiz[ir->mask.x],
+ (unsigned)(uintptr_t) he->data);
+ }
+ } else {
+ static const char swiz[4] = { 'X', 'Y', 'Z', 'W' };
+
+ print_without_indent("swizzle(r%04X, MAKE_SWIZZLE4(SWIZZLE_%c, SWIZZLE_%c, SWIZZLE_%c, SWIZZLE_%c), %u)",
+ (unsigned)(uintptr_t) he->data,
+ swiz[ir->mask.x],
+ swiz[ir->mask.y],
+ swiz[ir->mask.z],
+ swiz[ir->mask.w],
+ ir->mask.num_components);
+ }
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_leave(ir_swizzle *ir)
+{
+ const unsigned my_index = next_ir_index++;
+
+ _mesa_hash_table_insert(index_map, ir, (void *)(uintptr_t) my_index);
+
+ print_with_indent("ir_swizzle *const r%04X = ", my_index);
+ print_without_declaration(ir);
+ print_without_indent(";\n");
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_enter(ir_assignment *ir)
+{
+ ir_expression *const rhs_expr = ir->rhs->as_expression();
+
+ if (!is_simple_operand(ir->rhs) && rhs_expr == NULL)
+ return visit_continue;
+
+ if (rhs_expr != NULL) {
+ const unsigned num_op = rhs_expr->get_num_operands();
+
+ for (unsigned i = 0; i < num_op; i++) {
+ if (is_simple_operand(rhs_expr->operands[i]))
+ continue;
+
+ rhs_expr->operands[i]->accept(this);
+ }
+ }
+
+ ir_visitor_status s;
+
+ this->in_assignee = true;
+ s = ir->lhs->accept(this);
+ this->in_assignee = false;
+ if (s != visit_continue)
+ return (s == visit_continue_with_parent) ? visit_continue : s;
+
+ assert(ir->condition == NULL);
+
+ const struct hash_entry *const he_lhs =
+ _mesa_hash_table_search(index_map, ir->lhs);
+
+ print_with_indent("body.emit(assign(r%04X, ",
+ (unsigned)(uintptr_t) he_lhs->data);
+ print_without_declaration(ir->rhs);
+ print_without_indent(", 0x%02x));\n\n", ir->write_mask);
+
+ return visit_continue_with_parent;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_leave(ir_assignment *ir)
+{
+ const struct hash_entry *const he_lhs =
+ _mesa_hash_table_search(index_map, ir->lhs);
+
+ const struct hash_entry *const he_rhs =
+ _mesa_hash_table_search(index_map, ir->rhs);
+
+ assert(ir->condition == NULL);
+
+ print_with_indent("body.emit(assign(r%04X, r%04X, 0x%02x));\n\n",
+ (unsigned)(uintptr_t) he_lhs->data,
+ (unsigned)(uintptr_t) he_rhs->data,
+ ir->write_mask);
+
+ return visit_continue;
+}
+
+void
+ir_builder_print_visitor::print_without_declaration(const ir_expression *ir)
+{
+ const unsigned num_op = ir->get_num_operands();
+
+ static const char *const arity[] = {
+ "", "unop", "binop", "triop", "quadop"
+ };
+
+ switch (ir->operation) {
+ case ir_unop_neg:
+ case ir_binop_add:
+ case ir_binop_sub:
+ case ir_binop_mul:
+ case ir_binop_imul_high:
+ case ir_binop_less:
+ case ir_binop_greater:
+ case ir_binop_lequal:
+ case ir_binop_gequal:
+ case ir_binop_equal:
+ case ir_binop_nequal:
+ case ir_binop_lshift:
+ case ir_binop_rshift:
+ case ir_binop_bit_and:
+ case ir_binop_bit_xor:
+ case ir_binop_bit_or:
+ case ir_binop_logic_and:
+ case ir_binop_logic_xor:
+ case ir_binop_logic_or:
+ print_without_indent("%s(",
+ ir_expression_operation_enum_strings[ir->operation]);
+ break;
+ default:
+ print_without_indent("expr(ir_%s_%s, ",
+ arity[num_op],
+ ir_expression_operation_enum_strings[ir->operation]);
+ break;
+ }
+
+ for (unsigned i = 0; i < num_op; i++) {
+ if (is_simple_operand(ir->operands[i]))
+ print_without_declaration(ir->operands[i]);
+ else {
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir->operands[i]);
+
+ print_without_indent("r%04X", (unsigned)(uintptr_t) he->data);
+ }
+
+ if (i < num_op - 1)
+ print_without_indent(", ");
+ }
+
+ print_without_indent(")");
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_enter(ir_expression *ir)
+{
+ const unsigned num_op = ir->get_num_operands();
+
+ for (unsigned i = 0; i < num_op; i++) {
+ if (is_simple_operand(ir->operands[i]))
+ continue;
+
+ ir->operands[i]->accept(this);
+ }
+
+ const unsigned my_index = next_ir_index++;
+
+ _mesa_hash_table_insert(index_map, ir, (void *)(uintptr_t) my_index);
+
+ print_with_indent("ir_expression *const r%04X = ", my_index);
+ print_without_declaration(ir);
+ print_without_indent(";\n");
+
+ return visit_continue_with_parent;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_enter(ir_if *ir)
+{
+ const unsigned my_index = next_ir_index++;
+
+ print_with_indent("/* IF CONDITION */\n");
+
+ ir_visitor_status s = ir->condition->accept(this);
+ if (s != visit_continue)
+ return (s == visit_continue_with_parent) ? visit_continue : s;
+
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir->condition);
+
+ print_with_indent("ir_if *f%04X = new(mem_ctx) ir_if(operand(r%04X).val);\n",
+ my_index,
+ (unsigned)(uintptr_t) he->data);
+ print_with_indent("exec_list *const f%04X_parent_instructions = body.instructions;\n\n",
+ my_index);
+
+ indentation++;
+ print_with_indent("/* THEN INSTRUCTIONS */\n");
+ print_with_indent("body.instructions = &f%04X->then_instructions;\n\n",
+ my_index);
+
+ if (s != visit_continue_with_parent) {
+ s = visit_list_elements(this, &ir->then_instructions);
+ if (s == visit_stop)
+ return s;
+ }
+
+ print_without_indent("\n");
+
+ if (!ir->else_instructions.is_empty()) {
+ print_with_indent("/* ELSE INSTRUCTIONS */\n");
+ print_with_indent("body.instructions = &f%04X->else_instructions;\n\n",
+ my_index);
+
+ if (s != visit_continue_with_parent) {
+ s = visit_list_elements(this, &ir->else_instructions);
+ if (s == visit_stop)
+ return s;
+ }
+
+ print_without_indent("\n");
+ }
+
+ indentation--;
+
+ print_with_indent("body.instructions = f%04X_parent_instructions;\n",
+ my_index);
+ print_with_indent("body.emit(f%04X);\n\n",
+ my_index);
+ print_with_indent("/* END IF */\n\n");
+
+ return visit_continue_with_parent;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_leave(ir_return *ir)
+{
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir->value);
+
+ print_with_indent("body.emit(ret(r%04X));\n\n",
+ (unsigned)(uintptr_t) he->data);
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_leave(ir_call *ir)
+{
+ const unsigned my_index = next_ir_index++;
+
+ print_without_indent("\n");
+ print_with_indent("/* CALL %s */\n", ir->callee_name());
+ print_with_indent("exec_list r%04X_parameters;\n", my_index);
+
+ foreach_in_list(ir_dereference_variable, param, &ir->actual_parameters) {
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, param);
+
+ print_with_indent("r%04X_parameters.push_tail(operand(r%04X).val);\n",
+ my_index,
+ (unsigned)(uintptr_t) he->data);
+ }
+
+ char return_deref_string[32];
+ if (ir->return_deref) {
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir->return_deref);
+
+ snprintf(return_deref_string, sizeof(return_deref_string),
+ "operand(r%04X).val",
+ (unsigned)(uintptr_t) he->data);
+ } else {
+ strcpy(return_deref_string, "NULL");
+ }
+
+ print_with_indent("body.emit(new(mem_ctx) ir_call(shader->symbols->get_function(\"%s\"),\n",
+ ir->callee_name());
+ print_with_indent(" %s, &r%04X_parameters);\n\n",
+ return_deref_string,
+ my_index);
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_enter(ir_loop *ir)
+{
+ const unsigned my_index = next_ir_index++;
+
+ _mesa_hash_table_insert(index_map, ir, (void *)(uintptr_t) my_index);
+
+ print_with_indent("/* LOOP BEGIN */\n");
+ print_with_indent("ir_loop *f%04X = new(mem_ctx) ir_loop();\n", my_index);
+ print_with_indent("exec_list *const f%04X_parent_instructions = body.instructions;\n\n",
+ my_index);
+
+ indentation++;
+
+ print_with_indent("body.instructions = &f%04X->body_instructions;\n\n",
+ my_index);
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit_leave(ir_loop *ir)
+{
+ const struct hash_entry *const he =
+ _mesa_hash_table_search(index_map, ir);
+
+ indentation--;
+
+ print_with_indent("/* LOOP END */\n\n");
+ print_with_indent("body.instructions = f%04X_parent_instructions;\n",
+ (unsigned)(uintptr_t) he->data);
+ print_with_indent("body.emit(f%04X);\n\n",
+ (unsigned)(uintptr_t) he->data);
+
+ return visit_continue;
+}
+
+ir_visitor_status
+ir_builder_print_visitor::visit(ir_loop_jump *ir)
+{
+ print_with_indent("body.emit(new(mem_ctx) ir_loop_jump(ir_loop_jump::jump_%s));\n\n",
+ ir->is_break() ? "break" : "continue");
+ return visit_continue;
+}
diff --git a/src/compiler/glsl/ir_builder_print_visitor.h b/src/compiler/glsl/ir_builder_print_visitor.h
new file mode 100644
index 00000000000..a2deab234f6
--- /dev/null
+++ b/src/compiler/glsl/ir_builder_print_visitor.h
@@ -0,0 +1,32 @@
+/* -*- c++ -*- */
+/*
+ * Copyright © 2016 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.
+ */
+
+#pragma once
+#ifndef IR_BUILDER_PRINT_VISITOR_H
+#define IR_BUILDER_PRINT_VISITOR_H
+
+extern void
+_mesa_print_builder_for_ir(FILE *f, exec_list *instructions);
+
+#endif /* IR_BUILDER_PRINT_VISITOR_H */
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