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glsl: use ir_rvalue_visitor for function inlining

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This allows us to drop some duplicate code that is already in the
ir_rvalue_visitor. It also allows us to better replace rvalues
and handle swizzle in the following patch without having to add
even more duplicate code.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19890>
This commit is contained in:
Timothy Arceri
2022-11-07 12:00:02 +11:00
committed by Marge Bot
parent 34b28cfb7d
commit 7b9ec592aa
1 changed files with 21 additions and 50 deletions
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69
src/compiler/glsl/opt_function_inlining.cpp
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@@ -29,6 +29,7 @@
#include "ir.h"
#include "ir_visitor.h"
#include "ir_rvalue_visitor.h"
#include "ir_function_inlining.h"
#include "ir_expression_flattening.h"
#include "compiler/glsl_types.h"
@@ -37,7 +38,7 @@
static void
do_variable_replacement(exec_list *instructions,
ir_variable *orig,
ir_dereference *repl);
ir_rvalue *repl);
namespace {
@@ -251,9 +252,7 @@ ir_call::generate_inline(ir_instruction *next_ir)
ir_variable *sig_param = (ir_variable *) formal_node;
if (should_replace_variable(sig_param, param)) {
ir_dereference *deref = param->as_dereference();
do_variable_replacement(&new_instructions, sig_param, deref);
do_variable_replacement(&new_instructions, sig_param, param);
}
}
@@ -342,9 +341,9 @@ ir_function_inlining_visitor::visit_enter(ir_call *ir)
* also appear in the sampler field of an ir_tex instruction.
*/
class ir_variable_replacement_visitor : public ir_hierarchical_visitor {
class ir_variable_replacement_visitor : public ir_rvalue_visitor {
public:
ir_variable_replacement_visitor(ir_variable *orig, ir_dereference *repl)
ir_variable_replacement_visitor(ir_variable *orig, ir_rvalue *repl)
{
this->orig = orig;
this->repl = repl;
@@ -355,27 +354,29 @@ public:
}
virtual ir_visitor_status visit_leave(ir_call *);
virtual ir_visitor_status visit_leave(ir_dereference_array *);
virtual ir_visitor_status visit_leave(ir_dereference_record *);
virtual ir_visitor_status visit_leave(ir_texture *);
virtual ir_visitor_status visit_leave(ir_assignment *);
virtual ir_visitor_status visit_leave(ir_expression *);
virtual ir_visitor_status visit_leave(ir_return *);
void handle_rvalue(ir_rvalue **rvalue);
void replace_deref(ir_dereference **deref);
void replace_rvalue(ir_rvalue **rvalue);
ir_variable *orig;
ir_dereference *repl;
ir_rvalue *repl;
};
void
ir_variable_replacement_visitor::replace_deref(ir_dereference **deref)
{
ir_dereference_variable *deref_var = (*deref)->as_dereference_variable();
if (deref_var && deref_var->var == this->orig) {
*deref = this->repl->clone(ralloc_parent(*deref), NULL);
}
if (deref_var && deref_var->var == this->orig)
*deref = this->repl->as_dereference()->clone(ralloc_parent(*deref), NULL);
}
void
ir_variable_replacement_visitor::handle_rvalue(ir_rvalue **rvalue)
{
replace_rvalue(rvalue);
}
void
@@ -389,8 +390,9 @@ ir_variable_replacement_visitor::replace_rvalue(ir_rvalue **rvalue)
if (!deref)
return;
replace_deref(&deref);
*rvalue = deref;
ir_dereference_variable *deref_var = (deref)->as_dereference_variable();
if (deref_var && deref_var->var == this->orig)
*rvalue = this->repl->clone(ralloc_parent(deref), NULL);
}
ir_visitor_status
@@ -398,7 +400,7 @@ ir_variable_replacement_visitor::visit_leave(ir_texture *ir)
{
replace_deref(&ir->sampler);
return visit_continue;
return rvalue_visit(ir);
}
ir_visitor_status
@@ -410,37 +412,6 @@ ir_variable_replacement_visitor::visit_leave(ir_assignment *ir)
return visit_continue;
}
ir_visitor_status
ir_variable_replacement_visitor::visit_leave(ir_expression *ir)
{
for (uint8_t i = 0; i < ir->num_operands; i++)
replace_rvalue(&ir->operands[i]);
return visit_continue;
}
ir_visitor_status
ir_variable_replacement_visitor::visit_leave(ir_return *ir)
{
replace_rvalue(&ir->value);
return visit_continue;
}
ir_visitor_status
ir_variable_replacement_visitor::visit_leave(ir_dereference_array *ir)
{
replace_rvalue(&ir->array);
return visit_continue;
}
ir_visitor_status
ir_variable_replacement_visitor::visit_leave(ir_dereference_record *ir)
{
replace_rvalue(&ir->record);
return visit_continue;
}
ir_visitor_status
ir_variable_replacement_visitor::visit_leave(ir_call *ir)
{
@@ -458,7 +429,7 @@ ir_variable_replacement_visitor::visit_leave(ir_call *ir)
static void
do_variable_replacement(exec_list *instructions,
ir_variable *orig,
ir_dereference *repl)
ir_rvalue *repl)
{
ir_variable_replacement_visitor v(orig, repl);