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Repeat the optimization passes until we stop making progress.

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This commit is contained in:
Eric Anholt 2010-04-08 13:42:48 -07:00
parent 6192434ac3
commit 2a7b2b22f4
2 changed files with 10 additions and 5 deletions
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13
glsl_parser_extras.cpp
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@ -754,11 +754,16 @@ main(int argc, char **argv)
/* Optimization passes */
if (!state.error) {
do_function_inlining(&instructions);
bool progress;
do {
progress = false;
/* Constant folding */
ir_constant_folding_visitor constant_folding;
visit_exec_list(&instructions, &constant_folding);
progress = do_function_inlining(&instructions) || progress;
/* Constant folding */
ir_constant_folding_visitor constant_folding;
visit_exec_list(&instructions, &constant_folding);
} while (progress);
}
/* Print out the resulting IR */

2
ir_function_inlining.cpp
View file

@ -307,7 +307,7 @@ can_inline(ir_call *call)
bool
do_function_inlining(exec_list *instructions)
{
bool progress;
bool progress = false;
foreach_iter(exec_list_iterator, iter, *instructions) {
ir_instruction *ir = (ir_instruction *)iter.get();