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compiler/glsl: Return progress from propagate_invariance()

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Doing so allow you to easily tell what the pass did using the existing
infrastructure in the OPT macro.

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10292>
This commit is contained in:
Matt Turner
2021-04-16 13:50:41 -04:00
committed by Marge Bot
parent 9fb1f9303b
commit 5ef4296cb6
3 changed files with 7 additions and 3 deletions
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2
src/compiler/glsl/glsl_parser_extras.cpp
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@@ -2331,7 +2331,7 @@ do_common_optimization(exec_list *ir, bool linked,
OPT(do_dead_functions, ir); OPT(do_dead_functions, ir);
OPT(do_structure_splitting, ir); OPT(do_structure_splitting, ir);
} }
propagate_invariance(ir); OPT(propagate_invariance, ir);
OPT(do_if_simplification, ir); OPT(do_if_simplification, ir);
OPT(opt_flatten_nested_if_blocks, ir); OPT(opt_flatten_nested_if_blocks, ir);
OPT(opt_conditional_discard, ir); OPT(opt_conditional_discard, ir);

2
src/compiler/glsl/ir_optimization.h
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@@ -177,7 +177,7 @@ bool lower_blend_equation_advanced(gl_linked_shader *shader, bool coherent);
bool lower_builtins(exec_list *instructions); bool lower_builtins(exec_list *instructions);
bool lower_subroutine(exec_list *instructions, struct _mesa_glsl_parse_state *state); bool lower_subroutine(exec_list *instructions, struct _mesa_glsl_parse_state *state);
void propagate_invariance(exec_list *instructions); bool propagate_invariance(exec_list *instructions);
namespace ir_builder { class ir_factory; }; namespace ir_builder { class ir_factory; };

6
src/compiler/glsl/propagate_invariance.cpp
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@@ -113,13 +113,17 @@ ir_invariance_propagation_visitor::visit(ir_dereference_variable *ir)
return visit_continue; return visit_continue;
} }
void bool
propagate_invariance(exec_list *instructions) propagate_invariance(exec_list *instructions)
{ {
ir_invariance_propagation_visitor visitor; ir_invariance_propagation_visitor visitor;
bool progress = false;
do { do {
visitor.progress = false; visitor.progress = false;
visit_list_elements(&visitor, instructions); visit_list_elements(&visitor, instructions);
progress = progress || visitor.progress;
} while (visitor.progress); } while (visitor.progress);
return progress;
} }